https://llvm.org/bugs/show_bug.cgi?id=26539
Bug ID: 26539
Summary: Strange x86(64) code performance
Product: libraries
Version: 3.7
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Backend: X86
Assignee: unassignedb...@nondot.org
Reporter: tulip...@gmail.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Mandel-rust (https://github.com/willi-kappler/mandel-rust) benchmark produces
the following results:
https://gist.github.com/petevine/b70b6e5a434f23b40ab5
The strangeness stems from the fact fastest code is being produced for the
oldest architecture which also scales best.
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