RE: CRC32C Parallel Computation Optimization on ARM

On  Tue,  24 Oct,  2023 20:45:39PM -0500, Nathan Bossart wrote:
>I tried this.  pg_waldump on 2 million ~8kB records took around 8.1 seconds
>without the patch and around 7.4 seconds with it (an 8% improvement).
>pg_waldump on 1 million ~16kB records took around 3.2 seconds without the
>patch and around 2.4 seconds with it (a 25% improvement).

Could you please provide details on how to generate these 8kB size or 16kB size data? Thanks!


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