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author | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-04 16:47:17 +0000 |
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committer | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-04 16:47:17 +0000 |
commit | 1267dad8daf1719ce14f23c324ec8b2cd49b1f1e (patch) | |
tree | 55e2c0e1ec0c6199db7f59a29b97d462f677b7cb /benchmark/runc.rb | |
parent | fd6dd50f95ebdee32870eda101394e7aa7cb629c (diff) | |
download | ruby-1267dad8daf1719ce14f23c324ec8b2cd49b1f1e.tar.gz |
benchmark/bm_vm_thread_pass_flood.rb: add comment
I was about to write off this benchmark while working on GVL
improvements on multi-core systems.
However I noticed it exposes a weakness in my work-in-progress
code when I tested on an old single CPU system. Further testing
reveals setting CPU affinity ("schedtool -a 0x1" on Linux) on a
modern multi-core system is enough to reproduce the problem
exposed by this benchmark.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58571 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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