The documentation says that passing jit-analyze two file paths instead of directories is supported, but the code did not know which two files to compare in the case where they had different names.
Example. Before:
❯ jit-analyze --base "C:\dev\dotnet\perf-diff-finder\results\System.Tests.Perf_String.CtorCharCount(size__100)\base.dasm" --diff "C:\dev\dotnet\perf-diff-finder\results\System.Tests.Perf_String.CtorCharCount(size__100)\diff.dasm" --warn
Found 1 files with textual diffs.
Summary of Code Size diffs:
(Lower is better)
Warning: the base metric is 0, the diff metric is 0, have you used a release version?
0 total files with Code Size differences (0 improved, 0 regressed), 0 unchanged.
0 total methods with Code Size differences (0 improved, 0 regressed), 0 unchanged.
--------------------------------------------------------------------------------
Warning: 1 files in base but not in diff.
Only in base files:
base.dasm
Warning: 1 files in diff but not in base.
Only in diff files:
diff.dasm
After:
❯ jit-analyze --base "C:\dev\dotnet\perf-diff-finder\results\System.Tests.Perf_String.CtorCharCount(size__100)\base.dasm" --diff "C:\dev\dotnet\perf-diff-finder\results\System.Tests.Perf_String.CtorCharCount(size__100)\diff.dasm" --warn
Found 1 files with textual diffs.
Summary of Code Size diffs:
(Lower is better)
Total bytes of base: 3767
Total bytes of diff: 3767
Total bytes of delta: 0 (0.00 % of base)
0 total files with Code Size differences (0 improved, 0 regressed), 1 unchanged.
0 total methods with Code Size differences (0 improved, 0 regressed), 5 unchanged.
--------------------------------------------------------------------------------
jakobbotsch
commented
1 year ago
The documentation says that passing jit-analyze two file paths instead of directories is supported, but the code did not know which two files to compare in the case where they had different names.
Example. Before:
After: