Commit Graph

6 Commits

Author SHA1 Message Date
Guillaume Chatelet 219a1d217d [libc] Fix running benchmarks under msan/asan
asan/msan intercepts `aligned_malloc` and misbehave when the requested
alignment is greater than 512.
b041b613e6/compiler-rt/lib/asan/asan_allocator.cpp (L430-L431)
2021-09-08 14:43:55 +00:00
Guillaume Chatelet e4dee76224 [libc] Allow benchmarking several implementations at the same time.
Next step is to generate an archive with all implementations and a header listing them all.

Differential Revision: https://reviews.llvm.org/D107336
2021-08-03 10:53:11 +00:00
Guillaume Chatelet 59198d062f [libc] Add a Google Benchmark target to support continuous monitoring of memory operation performance
The next step is to be able to benchmark several implementations at once and compare which one performs best on a particular machine.

Differential Revision: https://reviews.llvm.org/D107265
2021-08-02 12:14:11 +00:00
Guillaume Chatelet d3c70d9f77 [libc] Simplify implementation of benchmarks
This also allows to run the distribution benchmarks in other frameworks
like the Google Benchmark facility.
2021-07-28 15:04:19 +00:00
Guillaume Chatelet deae7e982a [libc] revamp memory function benchmark
The benchmarking infrastructure can now run in two modes:
 - Sweep Mode: which generates a ramp of size values (same as before),
 - Distribution Mode: allows the user to select a distribution for the size paramater that is representative from production.

The analysis tool has also been updated to handle both modes.

Differential Revision: https://reviews.llvm.org/D93210
2020-12-17 13:23:33 +00:00
Siva Chandra Reddy 438f7fc068 [libc][benchmarks] Link the memory benchmark exes to functions from LLVM libc.
Summary:
To get the target order correct, the benchmarks directory has been moved
one level higher. Previously, it was living in the utils directory. The
utils directory is a collection of utils which are to be used by the
tests and implementations. However, benchmarks *use* the
implementations. So, moving it out of utils helps us setup proper
target level dependencies.

Reviewers: gchatelet

Differential Revision: https://reviews.llvm.org/D81910
2020-06-17 11:42:26 -07:00