diff --git a/benchmarks/Cargo.toml b/benchmarks/Cargo.toml
index 753b1972..a2b6e6e5 100644
--- a/benchmarks/Cargo.toml
+++ b/benchmarks/Cargo.toml
@@ -11,6 +11,7 @@ candid.workspace = true
 ic-cdk-macros.workspace = true
 ic-cdk.workspace = true
 ic-stable-structures = { path = "../", features = [] }
+#ic-stable-structures = { path = "../", features = ["bench_scope"] }
 maplit.workspace = true
 serde.workspace = true
 tiny-rng.workspace = true
diff --git a/benchmarks/btreemap/canbench_results.yml b/benchmarks/btreemap/canbench_results.yml
index 7d2d237a..a6f608be 100644
--- a/benchmarks/btreemap/canbench_results.yml
+++ b/benchmarks/btreemap/canbench_results.yml
@@ -2,910 +2,910 @@ benches:
   btreemap_v2_contains_10mib_values:
     total:
       calls: 1
-      instructions: 142211173
+      instructions: 142211043
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob8_u64:
     total:
       calls: 1
-      instructions: 284729276
+      instructions: 284589786
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_1024_128:
     total:
       calls: 1
-      instructions: 4287195962
+      instructions: 4287068465
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_128_128:
     total:
       calls: 1
-      instructions: 833911660
+      instructions: 833784184
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_16_128:
     total:
       calls: 1
-      instructions: 301679312
+      instructions: 301551729
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_256_128:
     total:
       calls: 1
-      instructions: 1319638527
+      instructions: 1319511032
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_32_1024:
     total:
       calls: 1
-      instructions: 335467579
+      instructions: 335340051
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_32_128:
     total:
       calls: 1
-      instructions: 335857875
+      instructions: 335730320
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_32_16:
     total:
       calls: 1
-      instructions: 328808633
+      instructions: 328681132
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_32_256:
     total:
       calls: 1
-      instructions: 334434277
+      instructions: 334306724
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_32_32:
     total:
       calls: 1
-      instructions: 339847402
+      instructions: 339719884
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_32_4:
     total:
       calls: 1
-      instructions: 332340488
+      instructions: 332212967
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_32_512:
     total:
       calls: 1
-      instructions: 331695205
+      instructions: 331567691
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_32_64:
     total:
       calls: 1
-      instructions: 334858994
+      instructions: 334731486
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_32_8:
     total:
       calls: 1
-      instructions: 334584158
+      instructions: 334456608
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_4_128:
     total:
       calls: 1
-      instructions: 253347390
+      instructions: 253230618
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_512_128:
     total:
       calls: 1
-      instructions: 2290838029
+      instructions: 2290710550
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_64_128:
     total:
       calls: 1
-      instructions: 414363928
+      instructions: 414236409
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_8_128:
     total:
       calls: 1
-      instructions: 275816922
+      instructions: 275689469
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_u64_blob8:
     total:
       calls: 1
-      instructions: 227932672
+      instructions: 227988492
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_u64_u64:
     total:
       calls: 1
-      instructions: 233050993
+      instructions: 233100051
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_u64_vec8:
     total:
       calls: 1
-      instructions: 227932672
+      instructions: 227988492
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec8_u64:
     total:
       calls: 1
-      instructions: 380704254
+      instructions: 381896109
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec_1024_128:
     total:
       calls: 1
-      instructions: 1824658598
+      instructions: 1825765218
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec_128_128:
     total:
       calls: 1
-      instructions: 574277483
+      instructions: 575403799
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec_16_128:
     total:
       calls: 1
-      instructions: 448376101
+      instructions: 449528879
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec_256_128:
     total:
       calls: 1
-      instructions: 902317934
+      instructions: 903444395
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec_32_1024:
     total:
       calls: 1
-      instructions: 514204302
+      instructions: 515311243
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec_32_128:
     total:
       calls: 1
-      instructions: 428712852
+      instructions: 429852442
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec_32_16:
     total:
       calls: 1
-      instructions: 375067406
+      instructions: 376261507
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec_32_256:
     total:
       calls: 1
-      instructions: 441718228
+      instructions: 442845574
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec_32_32:
     total:
       calls: 1
-      instructions: 363350869
+      instructions: 364544986
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec_32_4:
     total:
       calls: 1
-      instructions: 368447206
+      instructions: 369641376
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec_32_512:
     total:
       calls: 1
-      instructions: 460605845
+      instructions: 461732663
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec_32_64:
     total:
       calls: 1
-      instructions: 407446580
+      instructions: 408623694
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec_32_8:
     total:
       calls: 1
-      instructions: 360599985
+      instructions: 361794590
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec_4_128:
     total:
       calls: 1
-      instructions: 412997571
+      instructions: 413937091
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec_512_128:
     total:
       calls: 1
-      instructions: 1252406681
+      instructions: 1253533021
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec_64_128:
     total:
       calls: 1
-      instructions: 506200295
+      instructions: 507328031
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec_8_128:
     total:
       calls: 1
-      instructions: 402314964
+      instructions: 403472521
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_10mib_values:
     total:
       calls: 1
-      instructions: 388591796
+      instructions: 388593444
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob8_u64:
     total:
       calls: 1
-      instructions: 305721002
+      instructions: 306985951
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_1024_128:
     total:
       calls: 1
-      instructions: 4425292179
+      instructions: 4468917732
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_128_128:
     total:
       calls: 1
-      instructions: 866438615
+      instructions: 874885878
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_16_128:
     total:
       calls: 1
-      instructions: 314408609
+      instructions: 317946651
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_256_128:
     total:
       calls: 1
-      instructions: 1364965202
+      instructions: 1377831075
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_32_1024:
     total:
       calls: 1
-      instructions: 354108428
+      instructions: 358820632
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_32_128:
     total:
       calls: 1
-      instructions: 349135019
+      instructions: 353395480
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_32_16:
     total:
       calls: 1
-      instructions: 338382931
+      instructions: 341465501
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_32_256:
     total:
       calls: 1
-      instructions: 348736208
+      instructions: 353215571
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_32_32:
     total:
       calls: 1
-      instructions: 350096818
+      instructions: 353560413
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_32_4:
     total:
       calls: 1
-      instructions: 340412926
+      instructions: 343423643
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_32_512:
     total:
       calls: 1
-      instructions: 347642364
+      instructions: 352284128
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_32_64:
     total:
       calls: 1
-      instructions: 346801708
+      instructions: 350593383
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_32_8:
     total:
       calls: 1
-      instructions: 343068558
+      instructions: 346117255
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_4_128:
     total:
       calls: 1
-      instructions: 264255336
+      instructions: 264595013
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_512_128:
     total:
       calls: 1
-      instructions: 2367049394
+      instructions: 2390162752
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_64_128:
     total:
       calls: 1
-      instructions: 436964612
+      instructions: 442751803
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_8_128:
     total:
       calls: 1
-      instructions: 287796661
+      instructions: 288637500
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_u64_blob8:
     total:
       calls: 1
-      instructions: 237235807
+      instructions: 236902495
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_u64_u64:
     total:
       calls: 1
-      instructions: 243863619
+      instructions: 244070893
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_u64_vec8:
     total:
       calls: 1
-      instructions: 237991852
+      instructions: 237695355
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec8_u64:
     total:
       calls: 1
-      instructions: 388751746
+      instructions: 387372198
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_1024_128:
     total:
       calls: 1
-      instructions: 1841512514
+      instructions: 1840901847
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_128_128:
     total:
       calls: 1
-      instructions: 583901094
+      instructions: 584411524
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_16_128:
     total:
       calls: 1
-      instructions: 456729377
+      instructions: 456289282
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_256_128:
     total:
       calls: 1
-      instructions: 912188247
+      instructions: 912705843
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_32_1024:
     total:
       calls: 1
-      instructions: 552829330
+      instructions: 539669193
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_32_128:
     total:
       calls: 1
-      instructions: 437331840
+      instructions: 437496159
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_32_16:
     total:
       calls: 1
-      instructions: 381657975
+      instructions: 382104186
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_32_256:
     total:
       calls: 1
-      instructions: 457027782
+      instructions: 456882291
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_32_32:
     total:
       calls: 1
-      instructions: 370072283
+      instructions: 370530527
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_32_4:
     total:
       calls: 1
-      instructions: 374915812
+      instructions: 375360033
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_32_512:
     total:
       calls: 1
-      instructions: 480046387
+      instructions: 479727856
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_32_64:
     total:
       calls: 1
-      instructions: 414392801
+      instructions: 414929747
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_32_8:
     total:
       calls: 1
-      instructions: 367113865
+      instructions: 367555913
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_4_128:
     total:
       calls: 1
-      instructions: 421113110
+      instructions: 420987616
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_512_128:
     total:
       calls: 1
-      instructions: 1262553242
+      instructions: 1262785802
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_64_128:
     total:
       calls: 1
-      instructions: 514950921
+      instructions: 515572988
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_8_128:
     total:
       calls: 1
-      instructions: 410396741
+      instructions: 410241154
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_insert_10mib_values:
     total:
       calls: 1
-      instructions: 4389914887
+      instructions: 4388588543
       heap_increase: 161
       stable_memory_increase: 3613
     scopes: {}
   btreemap_v2_insert_blob8_u64:
     total:
       calls: 1
-      instructions: 445148380
+      instructions: 443775952
       heap_increase: 0
       stable_memory_increase: 4
     scopes: {}
   btreemap_v2_insert_blob_1024_128:
     total:
       calls: 1
-      instructions: 5500538279
+      instructions: 5499071874
       heap_increase: 0
       stable_memory_increase: 196
     scopes: {}
   btreemap_v2_insert_blob_128_128:
     total:
       calls: 1
-      instructions: 1189575032
+      instructions: 1188107343
       heap_increase: 0
       stable_memory_increase: 46
     scopes: {}
   btreemap_v2_insert_blob_16_128:
     total:
       calls: 1
-      instructions: 495692426
+      instructions: 494269553
       heap_increase: 0
       stable_memory_increase: 24
     scopes: {}
   btreemap_v2_insert_blob_256_128:
     total:
       calls: 1
-      instructions: 1796924645
+      instructions: 1795455828
       heap_increase: 0
       stable_memory_increase: 67
     scopes: {}
   btreemap_v2_insert_blob_32_1024:
     total:
       calls: 1
-      instructions: 711849765
+      instructions: 710401042
       heap_increase: 0
       stable_memory_increase: 173
     scopes: {}
   btreemap_v2_insert_blob_32_128:
     total:
       calls: 1
-      instructions: 551938454
+      instructions: 550494414
       heap_increase: 0
       stable_memory_increase: 28
     scopes: {}
   btreemap_v2_insert_blob_32_16:
     total:
       calls: 1
-      instructions: 526876092
+      instructions: 525418870
       heap_increase: 0
       stable_memory_increase: 11
     scopes: {}
   btreemap_v2_insert_blob_32_256:
     total:
       calls: 1
-      instructions: 580539981
+      instructions: 579088493
       heap_increase: 0
       stable_memory_increase: 49
     scopes: {}
   btreemap_v2_insert_blob_32_32:
     total:
       calls: 1
-      instructions: 536926289
+      instructions: 535473021
       heap_increase: 0
       stable_memory_increase: 13
     scopes: {}
   btreemap_v2_insert_blob_32_4:
     total:
       calls: 1
-      instructions: 517270027
+      instructions: 515820373
       heap_increase: 0
       stable_memory_increase: 8
     scopes: {}
   btreemap_v2_insert_blob_32_512:
     total:
       calls: 1
-      instructions: 619389665
+      instructions: 617940529
       heap_increase: 0
       stable_memory_increase: 91
     scopes: {}
   btreemap_v2_insert_blob_32_64:
     total:
       calls: 1
-      instructions: 543098852
+      instructions: 541647936
       heap_increase: 0
       stable_memory_increase: 18
     scopes: {}
   btreemap_v2_insert_blob_32_8:
     total:
       calls: 1
-      instructions: 525592612
+      instructions: 524149607
       heap_increase: 0
       stable_memory_increase: 9
     scopes: {}
   btreemap_v2_insert_blob_4_128:
     total:
       calls: 1
-      instructions: 416771974
+      instructions: 415487066
       heap_increase: 0
       stable_memory_increase: 13
     scopes: {}
   btreemap_v2_insert_blob_512_128:
     total:
       calls: 1
-      instructions: 3047890476
+      instructions: 3046420165
       heap_increase: 0
       stable_memory_increase: 111
     scopes: {}
   btreemap_v2_insert_blob_64_128:
     total:
       calls: 1
-      instructions: 670229451
+      instructions: 668768098
       heap_increase: 0
       stable_memory_increase: 34
     scopes: {}
   btreemap_v2_insert_blob_8_128:
     total:
       calls: 1
-      instructions: 468148607
+      instructions: 466758920
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_u64_blob8:
     total:
       calls: 1
-      instructions: 414573520
+      instructions: 413423115
       heap_increase: 0
       stable_memory_increase: 5
     scopes: {}
   btreemap_v2_insert_u64_u64:
     total:
       calls: 1
-      instructions: 422311308
+      instructions: 421162309
       heap_increase: 0
       stable_memory_increase: 6
     scopes: {}
   btreemap_v2_insert_u64_vec8:
     total:
       calls: 1
-      instructions: 417793976
+      instructions: 416642967
       heap_increase: 0
       stable_memory_increase: 21
     scopes: {}
   btreemap_v2_insert_vec8_u64:
     total:
       calls: 1
-      instructions: 600241480
+      instructions: 600143709
       heap_increase: 0
       stable_memory_increase: 16
     scopes: {}
   btreemap_v2_insert_vec_1024_128:
     total:
       calls: 1
-      instructions: 2751883354
+      instructions: 2752109976
       heap_increase: 0
       stable_memory_increase: 193
     scopes: {}
   btreemap_v2_insert_vec_128_128:
     total:
       calls: 1
-      instructions: 1018986630
+      instructions: 1019077984
       heap_increase: 0
       stable_memory_increase: 51
     scopes: {}
   btreemap_v2_insert_vec_16_128:
     total:
       calls: 1
-      instructions: 715440972
+      instructions: 715389494
       heap_increase: 0
       stable_memory_increase: 31
     scopes: {}
   btreemap_v2_insert_vec_256_128:
     total:
       calls: 1
-      instructions: 1409430838
+      instructions: 1409623299
       heap_increase: 0
       stable_memory_increase: 71
     scopes: {}
   btreemap_v2_insert_vec_32_1024:
     total:
       calls: 1
-      instructions: 1184814611
+      instructions: 1184846255
       heap_increase: 0
       stable_memory_increase: 171
     scopes: {}
   btreemap_v2_insert_vec_32_128:
     total:
       calls: 1
-      instructions: 762530013
+      instructions: 762489690
       heap_increase: 0
       stable_memory_increase: 33
     scopes: {}
   btreemap_v2_insert_vec_32_16:
     total:
       calls: 1
-      instructions: 672563151
+      instructions: 672434593
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_32_256:
     total:
       calls: 1
-      instructions: 875753632
+      instructions: 875767829
       heap_increase: 0
       stable_memory_increase: 54
     scopes: {}
   btreemap_v2_insert_vec_32_32:
     total:
       calls: 1
-      instructions: 667983184
+      instructions: 667852438
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_32_4:
     total:
       calls: 1
-      instructions: 666709196
+      instructions: 666585797
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_32_512:
     total:
       calls: 1
-      instructions: 981187745
+      instructions: 981227964
       heap_increase: 0
       stable_memory_increase: 91
     scopes: {}
   btreemap_v2_insert_vec_32_64:
     total:
       calls: 1
-      instructions: 699970006
+      instructions: 699860935
       heap_increase: 0
       stable_memory_increase: 24
     scopes: {}
   btreemap_v2_insert_vec_32_8:
     total:
       calls: 1
-      instructions: 666308283
+      instructions: 666186058
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_4_128:
     total:
       calls: 1
-      instructions: 610329720
+      instructions: 610313639
       heap_increase: 0
       stable_memory_increase: 16
     scopes: {}
   btreemap_v2_insert_vec_512_128:
     total:
       calls: 1
-      instructions: 1866471276
+      instructions: 1866701192
       heap_increase: 0
       stable_memory_increase: 112
     scopes: {}
   btreemap_v2_insert_vec_64_128:
     total:
       calls: 1
-      instructions: 853527323
+      instructions: 853518752
       heap_increase: 0
       stable_memory_increase: 41
     scopes: {}
   btreemap_v2_insert_vec_8_128:
     total:
       calls: 1
-      instructions: 672412257
+      instructions: 672363716
       heap_increase: 0
       stable_memory_increase: 23
     scopes: {}
   btreemap_v2_mem_manager_contains_blob512_u64:
     total:
       calls: 1
-      instructions: 2376508246
+      instructions: 2376380756
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_contains_u64_blob512:
     total:
       calls: 1
-      instructions: 304790871
+      instructions: 304846623
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_contains_u64_u64:
     total:
       calls: 1
-      instructions: 309491909
+      instructions: 309540968
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_contains_u64_vec512:
     total:
       calls: 1
-      instructions: 393000497
+      instructions: 393028966
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_contains_vec512_u64:
     total:
       calls: 1
-      instructions: 1228107785
+      instructions: 1229234276
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_get_blob512_u64:
     total:
       calls: 1
-      instructions: 2461116382
+      instructions: 2485080720
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_get_u64_blob512:
     total:
       calls: 1
-      instructions: 320423967
+      instructions: 321510059
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_get_u64_u64:
     total:
       calls: 1
-      instructions: 320421253
+      instructions: 320180896
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_get_u64_vec512:
     total:
       calls: 1
-      instructions: 416742620
+      instructions: 418668529
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_get_vec512_u64:
     total:
       calls: 1
-      instructions: 1268826315
+      instructions: 1270033294
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -940,7 +940,7 @@ benches:
   btreemap_v2_mem_manager_insert_vec512_u64:
     total:
       calls: 1
-      instructions: 1985385065
+      instructions: 1986718151
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -975,553 +975,553 @@ benches:
   btreemap_v2_mem_manager_remove_vec512_u64:
     total:
       calls: 1
-      instructions: 3119370019
+      instructions: 3120364334
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob8_u64:
     total:
       calls: 1
-      instructions: 618004432
+      instructions: 616238247
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_1024_128:
     total:
       calls: 1
-      instructions: 8407393947
+      instructions: 8405110087
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_128_128:
     total:
       calls: 1
-      instructions: 1847105509
+      instructions: 1844858965
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_16_128:
     total:
       calls: 1
-      instructions: 759917435
+      instructions: 757881564
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_256_128:
     total:
       calls: 1
-      instructions: 2784099866
+      instructions: 2781828963
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_1024:
     total:
       calls: 1
-      instructions: 1137118056
+      instructions: 1134938499
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_128:
     total:
       calls: 1
-      instructions: 881420615
+      instructions: 879223283
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_16:
     total:
       calls: 1
-      instructions: 816201283
+      instructions: 814041416
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_256:
     total:
       calls: 1
-      instructions: 909759141
+      instructions: 907574274
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_32:
     total:
       calls: 1
-      instructions: 830061311
+      instructions: 827900605
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_4:
     total:
       calls: 1
-      instructions: 799112085
+      instructions: 796941422
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_512:
     total:
       calls: 1
-      instructions: 974145553
+      instructions: 971972894
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_64:
     total:
       calls: 1
-      instructions: 839453947
+      instructions: 837291844
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_8:
     total:
       calls: 1
-      instructions: 817717399
+      instructions: 815516687
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_4_128:
     total:
       calls: 1
-      instructions: 381495137
+      instructions: 380325038
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_512_128:
     total:
       calls: 1
-      instructions: 4633016190
+      instructions: 4630749005
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_64_128:
     total:
       calls: 1
-      instructions: 1051383954
+      instructions: 1049152344
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_8_128:
     total:
       calls: 1
-      instructions: 621633869
+      instructions: 619885081
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_u64_blob8:
     total:
       calls: 1
-      instructions: 692329103
+      instructions: 690529296
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_u64_u64:
     total:
       calls: 1
-      instructions: 704283252
+      instructions: 702491834
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_u64_vec8:
     total:
       calls: 1
-      instructions: 694788529
+      instructions: 692986646
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec8_u64:
     total:
       calls: 1
-      instructions: 799659343
+      instructions: 798617904
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_1024_128:
     total:
       calls: 1
-      instructions: 4058561257
+      instructions: 4057872681
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_128_128:
     total:
       calls: 1
-      instructions: 1522614084
+      instructions: 1521654350
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_16_128:
     total:
       calls: 1
-      instructions: 1044640043
+      instructions: 1043515356
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_256_128:
     total:
       calls: 1
-      instructions: 2035052771
+      instructions: 2034262071
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_1024:
     total:
       calls: 1
-      instructions: 1702345063
+      instructions: 1701398314
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_128:
     total:
       calls: 1
-      instructions: 1108685023
+      instructions: 1107501642
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_16:
     total:
       calls: 1
-      instructions: 952540611
+      instructions: 951292559
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_256:
     total:
       calls: 1
-      instructions: 1234428372
+      instructions: 1233366808
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_32:
     total:
       calls: 1
-      instructions: 948692301
+      instructions: 947441160
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_4:
     total:
       calls: 1
-      instructions: 940976421
+      instructions: 939706528
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_512:
     total:
       calls: 1
-      instructions: 1387844690
+      instructions: 1386851000
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_64:
     total:
       calls: 1
-      instructions: 990795901
+      instructions: 989555075
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_8:
     total:
       calls: 1
-      instructions: 951913479
+      instructions: 950622210
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_4_128:
     total:
       calls: 1
-      instructions: 549923267
+      instructions: 549240041
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_512_128:
     total:
       calls: 1
-      instructions: 2728821380
+      instructions: 2728108664
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_64_128:
     total:
       calls: 1
-      instructions: 1251470670
+      instructions: 1250341210
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_8_128:
     total:
       calls: 1
-      instructions: 865247718
+      instructions: 864263442
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob8_u64:
     total:
       calls: 1
-      instructions: 596324464
+      instructions: 594554793
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_1024_128:
     total:
       calls: 1
-      instructions: 8074544986
+      instructions: 8072257193
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_128_128:
     total:
       calls: 1
-      instructions: 1777146013
+      instructions: 1774896013
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_16_128:
     total:
       calls: 1
-      instructions: 733631722
+      instructions: 731594742
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_256_128:
     total:
       calls: 1
-      instructions: 2689902060
+      instructions: 2687630971
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_1024:
     total:
       calls: 1
-      instructions: 1101403747
+      instructions: 1099225896
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_128:
     total:
       calls: 1
-      instructions: 846620590
+      instructions: 844420849
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_16:
     total:
       calls: 1
-      instructions: 789994300
+      instructions: 787834096
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_256:
     total:
       calls: 1
-      instructions: 878909990
+      instructions: 876725357
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_32:
     total:
       calls: 1
-      instructions: 798906057
+      instructions: 796749863
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_4:
     total:
       calls: 1
-      instructions: 776965442
+      instructions: 774786952
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_512:
     total:
       calls: 1
-      instructions: 948839215
+      instructions: 946668648
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_64:
     total:
       calls: 1
-      instructions: 813853996
+      instructions: 811690345
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_8:
     total:
       calls: 1
-      instructions: 790947962
+      instructions: 788744407
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_4_128:
     total:
       calls: 1
-      instructions: 367470484
+      instructions: 366302758
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_512_128:
     total:
       calls: 1
-      instructions: 4464466989
+      instructions: 4462199327
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_64_128:
     total:
       calls: 1
-      instructions: 1019568178
+      instructions: 1017338731
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_8_128:
     total:
       calls: 1
-      instructions: 615779354
+      instructions: 614030859
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_u64_blob8:
     total:
       calls: 1
-      instructions: 670872335
+      instructions: 669071901
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_u64_u64:
     total:
       calls: 1
-      instructions: 682270872
+      instructions: 680477690
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_u64_vec8:
     total:
       calls: 1
-      instructions: 673168643
+      instructions: 671365878
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec8_u64:
     total:
       calls: 1
-      instructions: 774006741
+      instructions: 772952168
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_1024_128:
     total:
       calls: 1
-      instructions: 4276255634
+      instructions: 4275574167
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_128_128:
     total:
       calls: 1
-      instructions: 1528030235
+      instructions: 1527066617
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_16_128:
     total:
       calls: 1
-      instructions: 1025426502
+      instructions: 1024295131
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_256_128:
     total:
       calls: 1
-      instructions: 2095735884
+      instructions: 2094936306
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_1024:
     total:
       calls: 1
-      instructions: 1676567325
+      instructions: 1675615913
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_128:
     total:
       calls: 1
-      instructions: 1083533099
+      instructions: 1082344052
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_16:
     total:
       calls: 1
-      instructions: 925174029
+      instructions: 923918138
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_256:
     total:
       calls: 1
-      instructions: 1210196374
+      instructions: 1209132451
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_32:
     total:
       calls: 1
-      instructions: 925759641
+      instructions: 924508518
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_4:
     total:
       calls: 1
-      instructions: 921398027
+      instructions: 920126340
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_512:
     total:
       calls: 1
-      instructions: 1372237172
+      instructions: 1371246157
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_64:
     total:
       calls: 1
-      instructions: 969366613
+      instructions: 968124641
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_8:
     total:
       calls: 1
-      instructions: 925007419
+      instructions: 923710585
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_4_128:
     total:
       calls: 1
-      instructions: 535497301
+      instructions: 534813424
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_512_128:
     total:
       calls: 1
-      instructions: 2828271962
+      instructions: 2827556556
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_64_128:
     total:
       calls: 1
-      instructions: 1239503601
+      instructions: 1238370730
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_8_128:
     total:
       calls: 1
-      instructions: 864933984
+      instructions: 863963180
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -1591,280 +1591,280 @@ benches:
   btreemap_v2_remove_10mib_values:
     total:
       calls: 1
-      instructions: 4711735840
+      instructions: 4711113268
       heap_increase: 0
       stable_memory_increase: 657
     scopes: {}
   btreemap_v2_remove_blob8_u64:
     total:
       calls: 1
-      instructions: 597402521
+      instructions: 595034392
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_1024_128:
     total:
       calls: 1
-      instructions: 7379667530
+      instructions: 7376821978
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_128_128:
     total:
       calls: 1
-      instructions: 1607396971
+      instructions: 1604578706
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_16_128:
     total:
       calls: 1
-      instructions: 680207076
+      instructions: 677519725
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_256_128:
     total:
       calls: 1
-      instructions: 2438118145
+      instructions: 2435285200
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_1024:
     total:
       calls: 1
-      instructions: 998591597
+      instructions: 995853257
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_128:
     total:
       calls: 1
-      instructions: 762964319
+      instructions: 760229442
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_16:
     total:
       calls: 1
-      instructions: 716725406
+      instructions: 714008050
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_256:
     total:
       calls: 1
-      instructions: 799333504
+      instructions: 796606463
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_32:
     total:
       calls: 1
-      instructions: 727478439
+      instructions: 724749939
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_4:
     total:
       calls: 1
-      instructions: 712643752
+      instructions: 709873769
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_512:
     total:
       calls: 1
-      instructions: 872035197
+      instructions: 869263095
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_64:
     total:
       calls: 1
-      instructions: 754165215
+      instructions: 751349928
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_8:
     total:
       calls: 1
-      instructions: 712284119
+      instructions: 709570833
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_4_128:
     total:
       calls: 1
-      instructions: 464428655
+      instructions: 462808100
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_512_128:
     total:
       calls: 1
-      instructions: 4087441997
+      instructions: 4084598119
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_64_128:
     total:
       calls: 1
-      instructions: 925857471
+      instructions: 923149106
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_8_128:
     total:
       calls: 1
-      instructions: 614717485
+      instructions: 612305700
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_u64_blob8:
     total:
       calls: 1
-      instructions: 582430661
+      instructions: 580203408
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_u64_u64:
     total:
       calls: 1
-      instructions: 603924879
+      instructions: 601677776
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_u64_vec8:
     total:
       calls: 1
-      instructions: 587919795
+      instructions: 585690492
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec8_u64:
     total:
       calls: 1
-      instructions: 768226679
+      instructions: 766743041
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_1024_128:
     total:
       calls: 1
-      instructions: 4486822914
+      instructions: 4485750849
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_128_128:
     total:
       calls: 1
-      instructions: 1441411708
+      instructions: 1439981932
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_16_128:
     total:
       calls: 1
-      instructions: 930370511
+      instructions: 928725401
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_256_128:
     total:
       calls: 1
-      instructions: 2253983036
+      instructions: 2252781634
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_1024:
     total:
       calls: 1
-      instructions: 1712407887
+      instructions: 1711074495
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_128:
     total:
       calls: 1
-      instructions: 1044675402
+      instructions: 1043061815
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_16:
     total:
       calls: 1
-      instructions: 885753202
+      instructions: 884024105
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_256:
     total:
       calls: 1
-      instructions: 1258480662
+      instructions: 1256982415
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_32:
     total:
       calls: 1
-      instructions: 879000014
+      instructions: 877261732
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_4:
     total:
       calls: 1
-      instructions: 875841943
+      instructions: 874057069
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_512:
     total:
       calls: 1
-      instructions: 1419720324
+      instructions: 1418307126
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_64:
     total:
       calls: 1
-      instructions: 982667924
+      instructions: 980864089
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_8:
     total:
       calls: 1
-      instructions: 869697878
+      instructions: 867955409
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_4_128:
     total:
       calls: 1
-      instructions: 670016444
+      instructions: 669260985
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_512_128:
     total:
       calls: 1
-      instructions: 3092666660
+      instructions: 3091546912
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_64_128:
     total:
       calls: 1
-      instructions: 1201307935
+      instructions: 1199764677
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_8_128:
     total:
       calls: 1
-      instructions: 833748512
+      instructions: 832345144
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
diff --git a/benchmarks/compare/canbench_results.yml b/benchmarks/compare/canbench_results.yml
index 4c9ef89e..1bd5b910 100644
--- a/benchmarks/compare/canbench_results.yml
+++ b/benchmarks/compare/canbench_results.yml
@@ -2,21 +2,21 @@ benches:
   read_chunks_btreemap_1:
     total:
       calls: 1
-      instructions: 148723640
+      instructions: 148723587
       heap_increase: 1601
       stable_memory_increase: 0
     scopes: {}
   read_chunks_btreemap_1k:
     total:
       calls: 1
-      instructions: 499445396
+      instructions: 499369650
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   read_chunks_btreemap_1m:
     total:
       calls: 1
-      instructions: 43947440627
+      instructions: 44057615732
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -107,21 +107,21 @@ benches:
   write_chunks_vec_1:
     total:
       calls: 1
-      instructions: 549903573
+      instructions: 549903558
       heap_increase: 0
       stable_memory_increase: 1536
     scopes: {}
   write_chunks_vec_1k:
     total:
       calls: 1
-      instructions: 562257515
+      instructions: 562244513
       heap_increase: 0
       stable_memory_increase: 1536
     scopes: {}
   write_chunks_vec_1m:
     total:
       calls: 1
-      instructions: 1896593101
+      instructions: 1883593099
       heap_increase: 0
       stable_memory_increase: 1536
     scopes: {}
diff --git a/src/btreemap.rs b/src/btreemap.rs
index 40debbd4..28d49770 100644
--- a/src/btreemap.rs
+++ b/src/btreemap.rs
@@ -498,8 +498,10 @@ where
     ///   key.to_bytes().len() <= max_size(Key)
     ///   value.to_bytes().len() <= max_size(Value)
     pub fn insert(&mut self, key: K, value: V) -> Option<V> {
-        let value = value.into_bytes_checked();
+        #[cfg(feature = "bench_scope")]
+        let _p = canbench_rs::bench_scope("insert"); // May add significant overhead.
 
+        let value = value.into_bytes_checked();
         let root = if self.root_addr == NULL {
             // No root present. Allocate one.
             let node = self.allocate_node(NodeType::Leaf);
@@ -653,8 +655,8 @@ where
         if self.root_addr == NULL {
             return None;
         }
-        self.traverse(self.root_addr, key, |node, idx| {
-            node.into_entry(idx, self.memory()).1 // Extract value.
+        self.traverse(self.root_addr, key, self.memory(), |node, idx, mem| {
+            node.extract_entry_at(idx, mem).1 // Extract value.
         })
         .map(Cow::Owned)
         .map(V::from_bytes)
@@ -663,23 +665,38 @@ where
     /// Returns true if the key exists.
     pub fn contains_key(&self, key: &K) -> bool {
         // An empty closure returns Some(()) if the key is found.
-        self.root_addr != NULL && self.traverse(self.root_addr, key, |_, _| ()).is_some()
+        self.root_addr != NULL
+            && self
+                .traverse(self.root_addr, key, self.memory(), |_, _, _| ())
+                .is_some()
     }
 
     /// Recursively traverses from `node_addr`, invoking `f` if `key` is found. Stops at a leaf if not.
-    fn traverse<F, R>(&self, node_addr: Address, key: &K, f: F) -> Option<R>
+    fn traverse<F, R>(&self, node_addr: Address, key: &K, mem: &M, f: F) -> Option<R>
     where
-        F: Fn(Node<K>, usize) -> R + Clone,
+        F: Fn(&mut Node<K>, usize, &M) -> R,
     {
-        let node = self.load_node(node_addr);
+        let mut node = self.load_node(node_addr);
         // Look for the key in the current node.
-        match node.search(key, self.memory()) {
-            Ok(idx) => Some(f(node, idx)), // Key found: apply `f`.
+        match node.search(key, mem) {
+            Ok(idx) => Some(f(&mut node, idx, mem)), // Key found: apply `f`.
             Err(idx) => match node.node_type() {
                 NodeType::Leaf => None, // At a leaf: key not present.
-                NodeType::Internal => self.traverse(node.child(idx), key, f), // Continue search in child.
+                NodeType::Internal => self.traverse(node.child(idx), key, mem, f), // Continue search in child.
             },
         }
+        // let mut addr = node_addr;
+        // loop {
+        //     let mut node = self.load_node(addr);
+        //     // Look for the key in the current node.
+        //     match node.search(key, mem) {
+        //         Ok(idx) => return Some(f(&mut node, idx, mem)), // Key found: apply `f`.
+        //         Err(idx) => match node.node_type() {
+        //             NodeType::Leaf => return None, // At a leaf: key not present.
+        //             NodeType::Internal => addr = node.child(idx), // Continue search in child.
+        //         },
+        //     }
+        // }
     }
 
     /// Returns `true` if the map contains no elements.
diff --git a/src/btreemap/node.rs b/src/btreemap/node.rs
index d0d75233..f49d9b92 100644
--- a/src/btreemap/node.rs
+++ b/src/btreemap/node.rs
@@ -318,10 +318,9 @@ impl<K: Storable + Ord + Clone> Node<K> {
             .insert(idx, (LazyKey::by_value(key), LazyValue::by_value(value)));
     }
 
-    /// Returns the entry at the specified index while consuming this node.
-    pub fn into_entry<M: Memory>(mut self, idx: usize, memory: &M) -> Entry<K> {
-        let entries = core::mem::take(&mut self.entries);
-        let (key, value) = entries.into_iter().nth(idx).unwrap();
+    /// Removes and decodes the entry at `idx`.
+    pub fn extract_entry_at<M: Memory>(&mut self, idx: usize, memory: &M) -> Entry<K> {
+        let (key, value) = self.entries.swap_remove(idx);
         (
             self.extract_key(key, memory),
             self.extract_value(value, memory),
diff --git a/src/btreemap/node/v2.rs b/src/btreemap/node/v2.rs
index da24e1f5..4573052c 100644
--- a/src/btreemap/node/v2.rs
+++ b/src/btreemap/node/v2.rs
@@ -140,6 +140,9 @@ impl<K: Storable + Ord + Clone> Node<K> {
         offset += ENTRIES_OFFSET;
         let mut children = vec![];
         if node_type == NodeType::Internal {
+            #[cfg(feature = "bench_scope")]
+            let _p = canbench_rs::bench_scope("node_load_v2_children"); // May add significant overhead.
+
             // The number of children is equal to the number of entries + 1.
             children.reserve_exact(num_entries + 1);
             for _ in 0..num_entries + 1 {
@@ -154,41 +157,51 @@ impl<K: Storable + Ord + Clone> Node<K> {
         let mut entries = Vec::with_capacity(num_entries);
         let mut buf = vec![];
 
-        for _ in 0..num_entries {
-            let key_offset = Bytes::from(offset.get());
-
-            // Get key size.
-            let key_size = if K::BOUND.is_fixed_size() {
-                K::BOUND.max_size()
-            } else {
-                let size = read_u32(&reader, offset);
-                offset += U32_SIZE;
-                size
-            };
-
-            // Eager-load small keys, defer large ones.
-            let key = if key_size <= EAGER_LOAD_KEY_SIZE_THRESHOLD {
-                read_to_vec(
-                    &reader,
-                    Address::from(offset.get()),
-                    &mut buf,
-                    key_size as usize,
-                );
-                LazyKey::by_value(K::from_bytes(Cow::Borrowed(&buf)))
-            } else {
-                LazyKey::by_ref(key_offset, key_size)
-            };
-
-            offset += Bytes::from(key_size);
-            entries.push((key, LazyValue::by_ref(Bytes::from(0_u64), 0)));
+        {
+            #[cfg(feature = "bench_scope")]
+            let _p = canbench_rs::bench_scope("node_load_v2_keys"); // May add significant overhead.
+
+            for _ in 0..num_entries {
+                let key_offset = Bytes::from(offset.get());
+
+                // Get key size.
+                let key_size = if K::BOUND.is_fixed_size() {
+                    K::BOUND.max_size()
+                } else {
+                    let size = read_u32(&reader, offset);
+                    offset += U32_SIZE;
+                    size
+                };
+
+                // Eager-load small keys, defer large ones.
+                let key = if key_size <= EAGER_LOAD_KEY_SIZE_THRESHOLD {
+                    read_to_vec(
+                        &reader,
+                        Address::from(offset.get()),
+                        &mut buf,
+                        key_size as usize,
+                    );
+                    LazyKey::by_value(K::from_bytes(Cow::Borrowed(&buf)))
+                } else {
+                    LazyKey::by_ref(key_offset, key_size)
+                };
+
+                offset += Bytes::from(key_size);
+                entries.push((key, LazyValue::by_ref(Bytes::from(0_u64), 0)));
+            }
         }
 
         // Load the values
-        for (_key, value) in entries.iter_mut() {
-            // Load the values lazily.
-            let value_size = read_u32(&reader, offset);
-            *value = LazyValue::by_ref(Bytes::from(offset.get()), value_size);
-            offset += U32_SIZE + Bytes::from(value_size as u64);
+        {
+            #[cfg(feature = "bench_scope")]
+            let _p = canbench_rs::bench_scope("node_load_v2_values"); // May add significant overhead.
+                                                                      // Load the values
+            for (_key, value) in entries.iter_mut() {
+                // Load the values lazily.
+                let value_size = read_u32(&reader, offset);
+                *value = LazyValue::by_ref(Bytes::from(offset.get()), value_size);
+                offset += U32_SIZE + Bytes::from(value_size as u64);
+            }
         }
 
         Self {
@@ -209,10 +222,15 @@ impl<K: Storable + Ord + Clone> Node<K> {
         let page_size = self.version.page_size().get();
         assert!(page_size >= MINIMUM_PAGE_SIZE);
 
-        // Load all the entries. One pass is required to load all entries;
-        // results are not stored to avoid unnecessary allocations.
-        for i in 0..self.entries.len() {
-            self.entry(i, allocator.memory());
+        {
+            #[cfg(feature = "bench_scope")]
+            let _p = canbench_rs::bench_scope("node_save_v2_preload"); // May add significant overhead.
+
+            // Load all the entries. One pass is required to load all entries;
+            // results are not stored to avoid unnecessary allocations.
+            for i in 0..self.entries.len() {
+                self.entry(i, allocator.memory());
+            }
         }
 
         // Initialize a NodeWriter. The NodeWriter takes care of allocating/deallocating
@@ -250,32 +268,42 @@ impl<K: Storable + Ord + Clone> Node<K> {
             offset += Address::size();
         }
 
-        // Write the keys.
-        for i in 0..self.entries.len() {
-            let key = self.key(i, writer.memory());
-            let key_bytes = key.to_bytes_checked();
+        {
+            #[cfg(feature = "bench_scope")]
+            let _p = canbench_rs::bench_scope("node_save_v2_keys"); // May add significant overhead.
 
-            // Write the size of the key if it isn't fixed in size.
-            if !K::BOUND.is_fixed_size() {
-                writer.write_u32(offset, key_bytes.len() as u32);
-                offset += U32_SIZE;
-            }
+            // Write the keys.
+            for i in 0..self.entries.len() {
+                let key = self.key(i, writer.memory());
+                let key_bytes = key.to_bytes_checked();
 
-            // Write the key.
-            writer.write(offset, key_bytes.borrow());
-            offset += Bytes::from(key_bytes.len());
+                // Write the size of the key if it isn't fixed in size.
+                if !K::BOUND.is_fixed_size() {
+                    writer.write_u32(offset, key_bytes.len() as u32);
+                    offset += U32_SIZE;
+                }
+
+                // Write the key.
+                writer.write(offset, key_bytes.borrow());
+                offset += Bytes::from(key_bytes.len());
+            }
         }
 
-        // Write the values.
-        for i in 0..self.entries.len() {
-            // Write the size of the value.
-            let value = self.value(i, writer.memory());
-            writer.write_u32(offset, value.len() as u32);
-            offset += U32_SIZE;
+        {
+            #[cfg(feature = "bench_scope")]
+            let _p = canbench_rs::bench_scope("node_save_v2_values"); // May add significant overhead.
 
-            // Write the value.
-            writer.write(offset, value);
-            offset += Bytes::from(value.len());
+            // Write the values.
+            for i in 0..self.entries.len() {
+                // Write the size of the value.
+                let value = self.value(i, writer.memory());
+                writer.write_u32(offset, value.len() as u32);
+                offset += U32_SIZE;
+
+                // Write the value.
+                writer.write(offset, value);
+                offset += Bytes::from(value.len());
+            }
         }
 
         self.overflows = writer.finish();