linux-kernel - Re: [PATCH v3 00/11] mempolicy2, mbind2, and weighted interleave

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Message-ID: <ZYB+GNPvzwNJUGxU@memverge.com>
Date: Mon, 18 Dec 2023 12:15:04 -0500
From: Gregory Price <gregory.price@...verge.com>
To: Hyeongtak Ji <hyeongtak.ji@...com>
Cc: gourry.memverge@...il.com, Hasan.Maruf@....com,
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Subject: Re: [PATCH v3 00/11] mempolicy2, mbind2, and weighted interleave

On Mon, Dec 18, 2023 at 04:07:48PM +0900, Hyeongtak Ji wrote:
> Hi Gregory,
> 
> Thank you for the v3 patch.
> 
> Gregory Price <gourry.memverge@...il.com> write:
> 
> [snip]
> 

Hi Hyeongtak!

Thanks for the tests! Added test notes to the v4 cover.

> Performance tests – XSBench
> NUMA node 0: 56 logical cores, 128 GB memory
> NUMA node 2: 96 GB CXL memory
> 
>   1. dram only
>   $ numactl -membind 0 ./XSBench -s XL –p 5000000
>   Threads:     56
>   Runtime:     36.235 seconds
>   Lookups:     170,000,000
>   Lookups/s:   4,691,618
>  
>   2. default interleave
>   $ numactl –-interleave 0,2 ./XSBench –s XL –p 5000000
>   Threads:     56
>   Runtime:     55.243 seconds
>   Lookups:     170,000,000
>   Lookups/s:   3,077,293
> 
>   3. weighted interleave
>   $ numactl --weighted --interleave 0,2 ./XSBench –s XL –p 5000000
>   Threads:     56
>   Runtime:     29.262 seconds
>   Lookups:     170,000,000
>   Lookups/s:   5,809,513
>