[llvm-bugs] [Bug 39102] [llvm-exegesis] UOps Analysis is very slow

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Mon Nov 12 05:06:12 PST 2018


Roman Lebedev <lebedev.ri at gmail.com> changed:

           What    |Removed                     |Added
             Status|RESOLVED                    |REOPENED
                 CC|                            |lebedev.ri at gmail.com,
                   |                            |maskray at google.com
         Resolution|FIXED                       |---

--- Comment #4 from Roman Lebedev <lebedev.ri at gmail.com> ---
Still too slow.

Posted patches to bring the time from 25s to (as of the last posted patch) 5.5s
There may be more optimization opportunities, looking.
Pointer to the first patch: https://reviews.llvm.org/D54381
(Ctrl+F "Revision Contents" and switch to "Stack" to see the stack of patches.)

Please note that it is a patch set. It would be *really* great if
they would be accepted as-is without reordering/squashing,
since that would make single obvious/trivial patches
not-so-trivial anymore, and i will be forced to re-benchmark everything.
But i will understand if that will not be acceptable.

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