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Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization
From: |
Li, Liang Z |
Subject: |
Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization |
Date: |
Thu, 12 Nov 2015 02:49:11 +0000 |
>
> On 10/11/2015 10:26, Li, Liang Z wrote:
> > I don't know Paolo's opinion about how to deal with the SSE2
> > Intrinsics, he is the author. From my personal view, now that we have
> > found a better way, why to use such low level SSE2/AVX2 Intrinsics.
>
> I totally agree. :)
>
> Paolo
Hi Paolo,
I am very surprised about the live migration performance result when I use
your ' memeqzero4_paolo' instead of these SSE2 Intrinsics to check the zero
pages.
The total live migration time increased about 8%! Not decreased. Although in
the unit test your ' memeqzero4_paolo' has better performance, any idea?
Liang
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, (continued)
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Li, Liang Z, 2015/11/10
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Juan Quintela, 2015/11/10
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Paolo Bonzini, 2015/11/10
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Li, Liang Z, 2015/11/10
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Paolo Bonzini, 2015/11/10
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Li, Liang Z, 2015/11/10
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Paolo Bonzini, 2015/11/10
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Li, Liang Z, 2015/11/10
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Paolo Bonzini, 2015/11/10
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Li, Liang Z, 2015/11/10
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization,
Li, Liang Z <=
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Paolo Bonzini, 2015/11/12
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Li, Liang Z, 2015/11/12
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Paolo Bonzini, 2015/11/12
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Li, Liang Z, 2015/11/12
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Paolo Bonzini, 2015/11/12
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Li, Liang Z, 2015/11/12
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Juan Quintela, 2015/11/12
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Li, Liang Z, 2015/11/12
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Dr. David Alan Gilbert, 2015/11/12
- Re: [Qemu-devel] [v2 0/2] add avx2 instruction optimization, Eric Blake, 2015/11/12