From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: Cygwin64 vs. Cygwin (speed)
Date: Tue, 03 Nov 2015 17:37:00 -0000 [thread overview]
Message-ID: <20151103173733.GB31094@calimero.vinschen.de> (raw)
In-Reply-To: <CAK-n8j5ihsWL=acJE7bUTCHZuCUcKvk-hEPTAtfg0c00tuBi=w@mail.gmail.com>
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On Nov 3 07:59, Jim Reisert AD1C wrote:
> In another thread, I wrote (and Corinna replied):
>
> >> I have tried 64-bit Cygwin in the past. I do a lot of file I/O and
> >> sorting/searching on largish test-based data sets, and 64-bit was
> >> noticeably slower than 32-bit Cygwin,
> >
> > Hmm, I usually have the opposite impression...
>
> I'm using malloc/calloc, is there a different memory allocator I
> should be using for Cygwin64?
There is none. While Cygwin's malloc is slow in multi-threading
scenarios due to dumb locking (which I really hope to fix at one point),
it shouldn't be any slower on 64 bit compared to 32 bit.
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Maintainer cygwin AT cygwin DOT com
Red Hat
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prev parent reply other threads:[~2015-11-03 17:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-03 15:00 Jim Reisert AD1C
2015-11-03 17:37 ` Corinna Vinschen [this message]
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