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Probably your main issue is using windows, since windows has fairly poor RAM performance, as well as poor performance across NUMA nodes. Your best bet would be to switch to Linux, create 2x 110g tmpfs (possibly even 4) and lock the processes to specific numa nodes with numactl cpunodebind and membind. Most users I've talked to who have used enough RAM to plot entirely in memory saw minimal gain over using NVMe for -t. Additionally, what is your RAM configuration to get 480gb? If you're missing a 32gb module you're probably hurting your performance running like that and would likely see improvement by removing the 7 secondary DIMM modules to run with just 256gb. |
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Tried uBuntu today and the performance is great..Here's the log. Same server, from 45mins in windows, reduced to 22 mins in uBuntu Working Directory: /mnt/ram/ |
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Hi I have following hardware set, after checking others' plotting time I realized mine is slow and could someone help for settings?
CPU: E5 * 2, totally 14C28T * 2
RAM: 480G DDR4 2133
OS: Windows
R: 410G Ramdisk, I didn't create 110G and 220G, just set whole and didn't use -2
Z: SSD for temp farm directory for the test
\chia_plot.exe -n 7 -r 28 -u 128 -t R:\ -d z:\ -c xx -f xx | tee
Checked CPU usage and can confirm 28Cores are all 90% plus. Here's log.
Final Directory: z:
Number of Plots: 7
Crafting plot 1 out of 7
Process ID: 5712
Number of Threads: 28
Number of Buckets P1: 2^7 (128)
Number of Buckets P3+P4: 2^7 (128)
Pool Puzzle Hash: xxxx
Farmer Public Key: xxxx
Working Directory: R:
Working Directory 2: R:
Plot Name: plot-k32-2021-07-21-22-30-58da3d
[P1] Table 1 took 30.5975 sec
[P1] Table 2 took 177.17 sec, found 4294931789 matches
[P1] Table 3 took 241.25 sec, found 4294842132 matches
[P1] Table 4 took 298.079 sec, found 4294620568 matches
[P1] Table 5 took 294.769 sec, found 4294426798 matches
[P1] Table 6 took 283.347 sec, found 4293863558 matches
[P1] Table 7 took 212.451 sec, found 4292671040 matches
Phase 1 took 1537.86 sec
[P2] max_table_size = 4294967296
[P2] Table 7 scan took 16.7239 sec
[P2] Table 7 rewrite took 63.7651 sec, dropped 0 entries (0 %)
[P2] Table 6 scan took 26.8364 sec
[P2] Table 6 rewrite took 47.5937 sec, dropped 581446893 entries (13.5413 %)
[P2] Table 5 scan took 25.574 sec
[P2] Table 5 rewrite took 45.4451 sec, dropped 762172616 entries (17.7479 %)
[P2] Table 4 scan took 25.58 sec
[P2] Table 4 rewrite took 44.9279 sec, dropped 828960671 entries (19.3023 %)
[P2] Table 3 scan took 25.5499 sec
[P2] Table 3 rewrite took 44.3513 sec, dropped 855202811 entries (19.9123 %)
[P2] Table 2 scan took 27.1002 sec
[P2] Table 2 rewrite took 44.6576 sec, dropped 865666791 entries (20.1555 %)
Phase 2 took 479.849 sec
Wrote plot header with 252 bytes
[P3-1] Table 2 took 51.0707 sec, wrote 3429264998 right entries
[P3-2] Table 2 took 95.8589 sec, wrote 3429264998 left entries, 3429264998 final
[P3-1] Table 3 took 63.9309 sec, wrote 3439639321 right entries
[P3-2] Table 3 took 89.0736 sec, wrote 3439639321 left entries, 3439639321 final
[P3-1] Table 4 took 63.5158 sec, wrote 3465659897 right entries
[P3-2] Table 4 took 94.7783 sec, wrote 3465659897 left entries, 3465659897 final
[P3-1] Table 5 took 67.5354 sec, wrote 3532254182 right entries
[P3-2] Table 5 took 100.681 sec, wrote 3532254182 left entries, 3532254182 final
[P3-1] Table 6 took 72.442 sec, wrote 3712416665 right entries
[P3-2] Table 6 took 106.969 sec, wrote 3712416665 left entries, 3712416665 final
[P3-1] Table 7 took 63.0777 sec, wrote 4292671040 right entries
[P3-2] Table 7 took 125.495 sec, wrote 4292671040 left entries, 4292671040 final
Phase 3 took 1009.63 sec, wrote 21871906103 entries to final plot
[P4] Starting to write C1 and C3 tables
[P4] Finished writing C1 and C3 tables
[P4] Writing C2 table
[P4] Finished writing C2 table
Phase 4 took 238.755 sec, final plot size is 108804005194 bytes
Total plot creation time was 3266.27 sec (54.4378 min)
Started copy to z:\plot-k32-2021-07-21-22-30-58da3d
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