RE: Improve CRC32C performance on SSE4.2 - Mailing list pgsql-hackers

From Devulapalli, Raghuveer
Subject RE: Improve CRC32C performance on SSE4.2
Date
Msg-id PH8PR11MB828644925A421E20A2845B23FBD32@PH8PR11MB8286.namprd11.prod.outlook.com
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In response to Re: Improve CRC32C performance on SSE4.2  (John Naylor <johncnaylorls@gmail.com>)
Responses Re: Improve CRC32C performance on SSE4.2
List pgsql-hackers
 > > I've gone ahead and added the generated AVX-512 algorithm in
 > > v14-0005

Here is my benchmark numbers (master v/s v14) on TGL (time in ms): 

Buf-size-bytes  Master  v14
64      9.547   6.095
80      10.999  6.248
96      12.443  7.756
112     14.129  9.62
128     15.295  6.534
144     16.756  8.226
160     18.18   9.656
176     19.836  11.556
192     22.038  8.307
208     24.303  9.692
224     26.656  11.115
240     28.981  13.119
256     31.399  10.035

Raghuveer

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