* Reporting a performance issue in glibc
@ 2022-08-13 11:56 Laël Cellier
2022-08-13 12:13 ` Mark Wielaard
0 siblings, 1 reply; 3+ messages in thread
From: Laël Cellier @ 2022-08-13 11:56 UTC (permalink / raw)
To: overseers
Hello, I would like to report a performance issue so I need an account.
The assembly of the avx version of memcpy is written in a way branching
is mispredicted most of the time.
Please create the account for this.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Reporting a performance issue in glibc
2022-08-13 11:56 Reporting a performance issue in glibc Laël Cellier
@ 2022-08-13 12:13 ` Mark Wielaard
0 siblings, 0 replies; 3+ messages in thread
From: Mark Wielaard @ 2022-08-13 12:13 UTC (permalink / raw)
To: Laël Cellier via Overseers; +Cc: Laël Cellier
Hi Laël,
On Sat, Aug 13, 2022 at 01:56:50PM +0200, Laël Cellier via Overseers wrote:
> Hello, I would like to report a performance issue so I need an account.
>
> The assembly of the avx version of memcpy is written in a way
> branching is mispredicted most of the time.
>
> Please create the account for this.
A bugzilla account has been created for you. You should have gotten an
email about it. You can activate your account through the Forgot/Reset
Password link.
Cheers,
Mark
^ permalink raw reply [flat|nested] 3+ messages in thread
* Reporting a performance issue in glibc
@ 2022-08-13 12:08 Laël Cellier
0 siblings, 0 replies; 3+ messages in thread
From: Laël Cellier @ 2022-08-13 12:08 UTC (permalink / raw)
To: overseers
Hello, I would like to report a performance issue so I need an account.
The assembly of the avx version of memcpy is written in a way branching
is mispredicted most of the time.
Please create the account for this.
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2022-08-13 12:13 UTC | newest]
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2022-08-13 11:56 Reporting a performance issue in glibc Laël Cellier
2022-08-13 12:13 ` Mark Wielaard
2022-08-13 12:08 Laël Cellier
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