[llvm-bugs] [Bug 44411] New: Perf regressions on many benchmarks with AMD Threadripper

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Dec 30 09:30:36 PST 2019


            Bug ID: 44411
           Summary: Perf regressions on many benchmarks with AMD
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: X86
          Assignee: unassignedbugs at nondot.org
          Reporter: david.bolvansky at gmail.com
                CC: craig.topper at gmail.com, llvm-bugs at lists.llvm.org,
                    llvm-dev at redking.me.uk, spatel+llvm at rotateright.com

Phoronix ran some benchmarks with Clang 9/10 and GCC 9/10 on AMD. The article
shows significant performance regressions in multiple benchmarks.


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