* [Bug localedata/25131] memcpy perfomance problem with ARM 32 A9be due to high cache-misses
[not found] <bug-25131-716@http.sourceware.org/bugzilla/>
@ 2019-10-28 13:52 ` gunnarhj at ubuntu dot com
2019-10-28 13:57 ` [Bug malloc/25131] " gunnarhj at ubuntu dot com
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From: gunnarhj at ubuntu dot com @ 2019-10-28 13:52 UTC (permalink / raw)
To: libc-locales
https://sourceware.org/bugzilla/show_bug.cgi?id=25131
Gunnar Hjalmarsson <gunnarhj at ubuntu dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |libc-locales at sourceware dot org
Component|malloc |localedata
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* [Bug malloc/25131] memcpy perfomance problem with ARM 32 A9be due to high cache-misses
[not found] <bug-25131-716@http.sourceware.org/bugzilla/>
2019-10-28 13:52 ` [Bug localedata/25131] memcpy perfomance problem with ARM 32 A9be due to high cache-misses gunnarhj at ubuntu dot com
@ 2019-10-28 13:57 ` gunnarhj at ubuntu dot com
2019-10-28 14:01 ` gunnarhj at ubuntu dot com
` (7 subsequent siblings)
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From: gunnarhj at ubuntu dot com @ 2019-10-28 13:57 UTC (permalink / raw)
To: libc-locales
https://sourceware.org/bugzilla/show_bug.cgi?id=25131
Gunnar Hjalmarsson <gunnarhj at ubuntu dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|localedata |malloc
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* [Bug malloc/25131] memcpy perfomance problem with ARM 32 A9be due to high cache-misses
[not found] <bug-25131-716@http.sourceware.org/bugzilla/>
2019-10-28 13:52 ` [Bug localedata/25131] memcpy perfomance problem with ARM 32 A9be due to high cache-misses gunnarhj at ubuntu dot com
2019-10-28 13:57 ` [Bug malloc/25131] " gunnarhj at ubuntu dot com
@ 2019-10-28 14:01 ` gunnarhj at ubuntu dot com
2019-10-28 15:52 ` [Bug string/25131] " jsm28 at gcc dot gnu.org
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From: gunnarhj at ubuntu dot com @ 2019-10-28 14:01 UTC (permalink / raw)
To: libc-locales
https://sourceware.org/bugzilla/show_bug.cgi?id=25131
--- Comment #1 from Gunnar Hjalmarsson <gunnarhj at ubuntu dot com> ---
I changed the component by mistake and then changed back. Sorry for the noise.
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* [Bug string/25131] memcpy perfomance problem with ARM 32 A9be due to high cache-misses
[not found] <bug-25131-716@http.sourceware.org/bugzilla/>
` (2 preceding siblings ...)
2019-10-28 14:01 ` gunnarhj at ubuntu dot com
@ 2019-10-28 15:52 ` jsm28 at gcc dot gnu.org
2019-11-22 6:33 ` helugang at huawei dot com
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From: jsm28 at gcc dot gnu.org @ 2019-10-28 15:52 UTC (permalink / raw)
To: libc-locales
https://sourceware.org/bugzilla/show_bug.cgi?id=25131
Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|malloc |string
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* [Bug string/25131] memcpy perfomance problem with ARM 32 A9be due to high cache-misses
[not found] <bug-25131-716@http.sourceware.org/bugzilla/>
` (3 preceding siblings ...)
2019-10-28 15:52 ` [Bug string/25131] " jsm28 at gcc dot gnu.org
@ 2019-11-22 6:33 ` helugang at huawei dot com
2019-11-22 9:08 ` gunnarhj at ubuntu dot com
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From: helugang at huawei dot com @ 2019-11-22 6:33 UTC (permalink / raw)
To: libc-locales
https://sourceware.org/bugzilla/show_bug.cgi?id=25131
--- Comment #2 from helugang <helugang at huawei dot com> ---
(In reply to Gunnar Hjalmarsson from comment #1)
> I changed the component by mistake and then changed back. Sorry for the
> noise.
Hi,Gunnar
It's no matter,by the way did you know who can help us about this performance
issue?
Thank you!
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* [Bug string/25131] memcpy perfomance problem with ARM 32 A9be due to high cache-misses
[not found] <bug-25131-716@http.sourceware.org/bugzilla/>
` (4 preceding siblings ...)
2019-11-22 6:33 ` helugang at huawei dot com
@ 2019-11-22 9:08 ` gunnarhj at ubuntu dot com
2019-11-22 9:26 ` helugang at huawei dot com
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From: gunnarhj at ubuntu dot com @ 2019-11-22 9:08 UTC (permalink / raw)
To: libc-locales
https://sourceware.org/bugzilla/show_bug.cgi?id=25131
Gunnar Hjalmarsson <gunnarhj at ubuntu dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |gunnarhj at ubuntu dot com
--- Comment #3 from Gunnar Hjalmarsson <gunnarhj at ubuntu dot com> ---
No, I don't. Sooner or later a maintainer will probably attend to it, that's
all I can say.
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* [Bug string/25131] memcpy perfomance problem with ARM 32 A9be due to high cache-misses
[not found] <bug-25131-716@http.sourceware.org/bugzilla/>
` (5 preceding siblings ...)
2019-11-22 9:08 ` gunnarhj at ubuntu dot com
@ 2019-11-22 9:26 ` helugang at huawei dot com
2019-11-25 11:46 ` helugang at huawei dot com
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From: helugang at huawei dot com @ 2019-11-22 9:26 UTC (permalink / raw)
To: libc-locales
https://sourceware.org/bugzilla/show_bug.cgi?id=25131
helugang <helugang at huawei dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |glibc_2.27, performance
--- Comment #4 from helugang <helugang at huawei dot com> ---
OK,anyway,thank you! we will wait.
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* [Bug string/25131] memcpy perfomance problem with ARM 32 A9be due to high cache-misses
[not found] <bug-25131-716@http.sourceware.org/bugzilla/>
` (6 preceding siblings ...)
2019-11-22 9:26 ` helugang at huawei dot com
@ 2019-11-25 11:46 ` helugang at huawei dot com
2019-11-25 12:04 ` fweimer at redhat dot com
2019-11-25 12:08 ` fweimer at redhat dot com
9 siblings, 0 replies; 10+ messages in thread
From: helugang at huawei dot com @ 2019-11-25 11:46 UTC (permalink / raw)
To: libc-locales
https://sourceware.org/bugzilla/show_bug.cgi?id=25131
--- Comment #5 from helugang <helugang at huawei dot com> ---
Excuse me, could anyone help to attend to this memcpy performance issue?
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* [Bug string/25131] memcpy perfomance problem with ARM 32 A9be due to high cache-misses
[not found] <bug-25131-716@http.sourceware.org/bugzilla/>
` (7 preceding siblings ...)
2019-11-25 11:46 ` helugang at huawei dot com
@ 2019-11-25 12:04 ` fweimer at redhat dot com
2019-11-25 12:08 ` fweimer at redhat dot com
9 siblings, 0 replies; 10+ messages in thread
From: fweimer at redhat dot com @ 2019-11-25 12:04 UTC (permalink / raw)
To: libc-locales
https://sourceware.org/bugzilla/show_bug.cgi?id=25131
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
The usual way we deal with this is to use some mechanism to probe for the
platform in question and use an IFUNC handler to switch to the optimized
version for this platform only.
I'm not sure if 32-bit Arm platform variants can be identified easily at the
CPU level or from the auxiliary vector. It may be necessary to do some kernel
work first.
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* [Bug string/25131] memcpy perfomance problem with ARM 32 A9be due to high cache-misses
[not found] <bug-25131-716@http.sourceware.org/bugzilla/>
` (8 preceding siblings ...)
2019-11-25 12:04 ` fweimer at redhat dot com
@ 2019-11-25 12:08 ` fweimer at redhat dot com
9 siblings, 0 replies; 10+ messages in thread
From: fweimer at redhat dot com @ 2019-11-25 12:08 UTC (permalink / raw)
To: libc-locales
https://sourceware.org/bugzilla/show_bug.cgi?id=25131
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC|libc-locales at sourceware dot org |
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Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
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[not found] <bug-25131-716@http.sourceware.org/bugzilla/>
2019-10-28 13:52 ` [Bug localedata/25131] memcpy perfomance problem with ARM 32 A9be due to high cache-misses gunnarhj at ubuntu dot com
2019-10-28 13:57 ` [Bug malloc/25131] " gunnarhj at ubuntu dot com
2019-10-28 14:01 ` gunnarhj at ubuntu dot com
2019-10-28 15:52 ` [Bug string/25131] " jsm28 at gcc dot gnu.org
2019-11-22 6:33 ` helugang at huawei dot com
2019-11-22 9:08 ` gunnarhj at ubuntu dot com
2019-11-22 9:26 ` helugang at huawei dot com
2019-11-25 11:46 ` helugang at huawei dot com
2019-11-25 12:04 ` fweimer at redhat dot com
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