[llvm-bugs] [Bug 50026] New: I found a unusual performance issue that you might find interesting.

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=50026

            Bug ID: 50026
           Summary: I found a unusual performance issue that you might
                    find interesting.
           Product: clang
           Version: 10.0
          Hardware: Other
                OS: OpenBSD
            Status: NEW
          Severity: normal
          Priority: P
         Component: C
          Assignee: unassignedclangbugs at nondot.org
          Reporter: lukensmall at gmail.com
                CC: blitzrakete at gmail.com, dgregor at apple.com,
                    erik.pilkington at gmail.com, llvm-bugs at lists.llvm.org,
                    richard-llvm at metafoo.co.uk

A couple nearly identical quicksort algorithms. One adds additional global
counters and it takes 40% less time to run! Time discrepancy not reproducible
in gcc the quicksort algorithm with extra counters takes slightly longer in
gcc.

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