fixed bench statements (#895)

Co-authored-by: Spencer Bryngelson <shb@gatech.edu>

Author: Malmahrouqi3

.github/workflows/bench.yml

@@ -1,6 +1,9 @@
 name: 'Benchmark'
 
-on: pull_request
+on: 
+  pull_request_review:
+    types: [submitted]
+  workflow_dispatch:
 
 jobs:
   file-changes:
@@ -20,11 +23,12 @@ jobs:
 
   self:
     name: Georgia Tech | Phoenix (NVHPC)
-    if: github.repository == 'MFlowCode/MFC' && needs.file-changes.outputs.checkall == 'true'
+    if: github.repository == 'MFlowCode/MFC' && needs.file-changes.outputs.checkall == 'true' && ${{ github.event.review.state == 'approved' }}
     needs: file-changes
     strategy:
       matrix:
         device: ['cpu', 'gpu']
+      fail-fast: false
     runs-on:
       group:  phoenix
       labels: gt
@@ -56,6 +60,12 @@ jobs:
           (cd pr && . ./mfc.sh load -c p -m g)
           (cd pr && ./mfc.sh bench_diff ../master/bench-${{ matrix.device }}.yaml ../pr/bench-${{ matrix.device }}.yaml)
 
+      - name: Print Logs
+        if:   always()
+        run: |
+          cat pr/bench-${{ matrix.device }}.* 2>/dev/null || true
+          cat master/bench-${{ matrix.device }}.* 2>/dev/null || true
+      
       - name: Archive Logs
         uses: actions/upload-artifact@v4
         if:   always()

toolchain/mfc/bench.py

@@ -125,7 +125,6 @@ def diff():
             if not math.isfinite(lhs_summary[target.name]["exec"]) or not math.isfinite(rhs_summary[target.name]["exec"]):
                 err = 1
                 cons.print(f"lhs_summary or rhs_summary reports non-real exec time for {target.name} - Case: {slug}")
-
             try:
                 exec_time_value = lhs_summary[target.name]["exec"] / rhs_summary[target.name]["exec"]
                 if exec_time_value < 0.9:
@@ -139,10 +138,10 @@ def diff():
                     grind_time_value = lhs_summary[target.name]["grind"] / rhs_summary[target.name]["grind"]
                     speedups[i] += f" & Grind: {grind_time_value:.2f}"
                     if grind_time_value <0.95:
-                        raise MFCException(f"Benchmarking failed since grind time speedup for {target.name} below acceptable threshold (<0.98) - Case: {slug}")
+                        cons.print(f"[bold red]Error[/bold red]: Benchmarking failed since grind time speedup for {target.name} below acceptable threshold (<0.95) - Case: {slug}")
+                        err = 1
             except Exception as _:
-                err = 1
-                cons.print(f"lhs_summary or rhs_summary reports non-real grind time for {target.name} - Case: {slug}")
+                pass
 
         table.add_row(f"[magenta]{slug}[/magenta]", *speedups)