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Re: [Qemu-devel] [PATCH v4 26/26] tcg: Adjust CODE_GEN_AVG_BLOCK_SIZE


From: Aurelien Jarno
Subject: Re: [Qemu-devel] [PATCH v4 26/26] tcg: Adjust CODE_GEN_AVG_BLOCK_SIZE
Date: Wed, 30 Sep 2015 18:50:47 +0200
User-agent: Mutt/1.5.23 (2014-03-12)

On 2015-09-30 15:09, Richard Henderson wrote:
> At present, the "average" guestimate of TB size is way too small, leading
> to many unused entries in the pre-allocated TB array.  For a guest with 1GB
> ram, we're currently allocating 256MB for the array.
> 
> Survey arm, alpha, aarch64, ppc, sparc, i686, x86_64 guests running on
> x86_64 and ppc64 hosts and select a new average.  The size of the array
> drops to 81MB with no more flushing than before.
> 
> Signed-off-by: Richard Henderson <address@hidden>
> ---
>  include/exec/exec-all.h | 11 ++++++-----
>  1 file changed, 6 insertions(+), 5 deletions(-)

Reviewed-by: Aurelien Jarno <address@hidden>

-- 
Aurelien Jarno                          GPG: 4096R/1DDD8C9B
address@hidden                 http://www.aurel32.net



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