wonder if it's a function of the allocator in glibc.
Martin
-- Mark
-Original Message-
From: [EMAIL PROTECTED]
Sent: Sun, 05 Aug 2007 21:28:30 -0600
To: stdcxx-dev@incubator.apache.org
Subject: Re: [PATCH] for STDCXX-491 - string::push_back() slow
Looks like ezmlm stripped th
he allocator in glibc.
Martin
-- Mark
-Original Message-
From: [EMAIL PROTECTED]
Sent: Sun, 05 Aug 2007 21:28:30 -0600
To: stdcxx-dev@incubator.apache.org
Subject: Re: [PATCH] for STDCXX-491 - string::push_back() slow
Looks like ezmlm stripped the grap attached to my previous post
is a dip around 128 as expected so
I wonder if it's a function of the allocator in glibc.
Martin
-- Mark
-Original Message-
From: [EMAIL PROTECTED]
Sent: Sun, 05 Aug 2007 21:28:30 -0600
To: stdcxx-dev@incubator.apache.org
Subject: Re: [PATCH] for STDCXX-491 - string::push_back
2007 21:28:30 -0600
> To: stdcxx-dev@incubator.apache.org
> Subject: Re: [PATCH] for STDCXX-491 - string::push_back() slow
>
> Looks like ezmlm stripped the grap attached to my previous post so
> I attached it to the issue instead:
>
> http://issues.apache.org/jira/secur
Farid Zaripov wrote:
-Original Message-
From: Martin Sebor [mailto:[EMAIL PROTECTED] On Behalf Of Martin Sebor
Sent: Tuesday, July 24, 2007 7:40 AM
To: stdcxx-dev@incubator.apache.org
Subject: Re: [PATCH] for STDCXX-491 - string::push_back() slow
mark.g.brown wrote:
Hi all,
The att
t: Re: [PATCH] for STDCXX-491 - string::push_back() slow
mark.g.brown wrote:
Hi all,
The attached simple patch speeds up push_back() nearly six times
relative to stdcxx 4.1.3 and makes it more than twice faster that
gcc's.
Let me test your patch for regressions and if it passes I'll comm
Farid Zaripov wrote:
-Original Message-
From: Martin Sebor [mailto:[EMAIL PROTECTED] On Behalf Of Martin Sebor
Sent: Tuesday, July 24, 2007 7:40 AM
To: stdcxx-dev@incubator.apache.org
Subject: Re: [PATCH] for STDCXX-491 - string::push_back() slow
mark.g.brown wrote:
Hi all,
The
> -Original Message-
> From: Martin Sebor [mailto:[EMAIL PROTECTED] On Behalf Of Martin Sebor
> Sent: Tuesday, July 24, 2007 7:40 AM
> To: stdcxx-dev@incubator.apache.org
> Subject: Re: [PATCH] for STDCXX-491 - string::push_back() slow
>
> mark.g.brown wrote:
>
mark.g.brown wrote:
Hi all,
The attached simple patch speeds up push_back() nearly six times
relative to stdcxx 4.1.3 and makes it more than twice faster that
gcc's.
Wow, that's a pretty impressive improvement! Thanks for the patch!
It makes sense to optimize this case instead of being lazy an
Hi all,
The attached simple patch speeds up push_back() nearly six times
relative to stdcxx 4.1.3 and makes it more than twice faster that
gcc's.
$ time ./push_back-stdcxx-patched 5
real0m2.800s
user0m1.676s
sys 0m1.084s
$ time ./push_back-stdcxx-4.1.3 5
real0m
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