Re: src/port/snprintf.c: Optimize the common base=10 case in fmtint

Поиск
Список
Период
Сортировка
От Arjan van de Ven
Тема Re: src/port/snprintf.c: Optimize the common base=10 case in fmtint
Дата
Msg-id 384aac2e-84e9-4aea-395b-67c95f6dda08@linux.intel.com
обсуждение исходный текст
Ответ на Re: src/port/snprintf.c: Optimize the common base=10 case in fmtint  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
On 10/26/2021 10:51 AM, Tom Lane wrote:
> Mark Dilger <mark.dilger@enterprisedb.com> writes:
>> It appears fmtint only has three options for base, being 10, 16, and 8.  Have you profiled with either of the others
specialcased as well?  I don't see much use in optimizing for octal, but hexadecimal is used quite a bit in wal with
patternslike "%08X%08X%08X".
 
> 
> I'd be inclined to just hard-wire the three allowed cases, and not have
> an arbitrary-divisor code path at all.
> 

ok so feedback is "Yes please but we want more of it" :)

I'll go poke at making an updated patch that does 8/10/16 and nothing else.





В списке pgsql-hackers по дате отправления:

Предыдущее
От: Andres Freund
Дата:
Сообщение: changes in pgport etc doesn't cause client programs to be relinked
Следующее
От: Andres Freund
Дата:
Сообщение: Re: changes in pgport etc doesn't cause client programs to be relinked