RE: CRC32C Parallel Computation Optimization on ARM

Поиск
Список
Период
Сортировка
От Xiang Gao
Тема RE: CRC32C Parallel Computation Optimization on ARM
Дата
Msg-id DB9PR08MB6991506A18EE4C99D8197653F5DDA@DB9PR08MB6991.eurprd08.prod.outlook.com
обсуждение исходный текст
Ответ на Re: CRC32C Parallel Computation Optimization on ARM  (Nathan Bossart <nathandbossart@gmail.com>)
Ответы Re: CRC32C Parallel Computation Optimization on ARM  (Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>)
Re: CRC32C Parallel Computation Optimization on ARM  (Nathan Bossart <nathandbossart@gmail.com>)
Список pgsql-hackers
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!


IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you
arenot the intended recipient, please notify the sender immediately and do not disclose the contents to any other
person,use it for any purpose, or store or copy the information in any medium. Thank you. 



В списке pgsql-hackers по дате отправления:

Предыдущее
От: Andrei Lepikhov
Дата:
Сообщение: Re: [PATCH] Tracking statements entry timestamp in pg_stat_statements
Следующее
От: Bharath Rupireddy
Дата:
Сообщение: Re: CRC32C Parallel Computation Optimization on ARM