[GHC] #13362: GHC first generation of GC to be as large as largest cache size by default
GHC
ghc-devs at haskell.org
Sun Mar 25 22:46:18 UTC 2018
#13362: GHC first generation of GC to be as large as largest cache size by default
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Reporter: varosi | Owner: sjakobi
Type: feature request | Status: new
Priority: normal | Milestone: 8.6.1
Component: Runtime System | Version: 8.0.2
Resolution: | Keywords: numa cache gc
| newcomers
Operating System: Unknown/Multiple | Architecture:
Type of failure: Runtime | Unknown/Multiple
performance bug | Test Case:
Blocked By: | Blocking:
Related Tickets: | Differential Rev(s):
Wiki Page: |
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Comment (by sjakobi):
Replying to [comment:15 varosi]:
> How can I experiment with non-optimized version as I doesn't have
reference for comparison? I could try to build some optimized version.
Building your own binary should be pretty straightforward. In order to
investigate the effects of my patch you don't really need a different
build anyway. You can simply find out what size your L3 cache has and pass
that size to the `-A` RTS flag.
--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13362#comment:16>
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