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Re: wip-cse
From: |
Ludovic Courtès |
Subject: |
Re: wip-cse |
Date: |
Wed, 25 Apr 2012 01:14:54 +0200 |
User-agent: |
Gnus/5.110018 (No Gnus v0.18) Emacs/24.0.93 (gnu/linux) |
Hi,
Andy Wingo <address@hidden> skribis:
> On Tue 24 Apr 2012 18:31, address@hidden (Ludovic Courtès) writes:
>
>> Andy Wingo <address@hidden> skribis:
>>
>>> I spent some time poking at vlists and ended up squeezing out a little
>>> bit of performance.
>>
>> Any figures?
>
> Well, last time I checked, with the patch compiling peval.scm was 2.10
> seconds, compared to 2.35 without. Not tiny, not huge.
OK. Would be nice to check with the micro-benchs in vlists.bm as well.
>> Did you try fiddling with ‘block-growth-factor’, as suggested earlier?
>
> No I did not. Another thing one could fiddle with would be the block
> size for a new list head. I feel like we need more metrics though: a
> distribution of sizes of blocks, numbers of blocks in a vlist, hash
> collisions per block, etc. I'll merge this to master soon and we can
> check what impact the new hash function has on performance.
Nice.
Thanks,
Ludo’.
- wip-cse, Andy Wingo, 2012/04/16
- Re: wip-cse, Ludovic Courtès, 2012/04/16
- Re: wip-cse, Andy Wingo, 2012/04/16
- Re: wip-cse, Andy Wingo, 2012/04/16
- Re: wip-cse, Ludovic Courtès, 2012/04/17
- Re: wip-cse, Andy Wingo, 2012/04/24
- Re: wip-cse, Ludovic Courtès, 2012/04/24
- Re: wip-cse, Andy Wingo, 2012/04/24
- Re: wip-cse,
Ludovic Courtès <=
- Re: wip-cse, Andy Wingo, 2012/04/25
- Re: wip-cse, Ludovic Courtès, 2012/04/25
- Re: wip-cse, Andy Wingo, 2012/04/25