From: Yucong Sun <sunyucong@gmail.com>
To: cygwin@cygwin.com, cygwin-developers@cygwin.com
Subject: Re: Jemalloc under CYGWIN
Date: Wed, 21 Oct 2015 15:40:00 -0000 [thread overview]
Message-ID: <CAJygYd1a82LVP0EuKyDtrux=6uJ=rN95yRghy3sdkKU+_9yt5Q@mail.gmail.com> (raw)
In-Reply-To: <20151021141523.GV5319@calimero.vinschen.de>
On Wed, Oct 21, 2015 at 10:15 PM, Corinna Vinschen
<corinna-cygwin@cygwin.com> wrote:
> On Oct 21 21:49, Yucong Sun wrote:
>> > What exactly is the malloc problem you're seeing?
>>
>> The specific problem I'm having is that jemalloc's malloc_init() calls
>> needs to use pthread_mutex_init() or even pthread_mutex with a
>> initializer. Both in-turn uses malloc, triggering this issue.
>>
>> A quick fix would be somehow make pthread always use system
>> malloc/free, which shouldn't be that bad.
>
> What about using a native critical section instead? It shouldn't be too
> tricky to conditionalize this in jemalloc.
Possibly, jemalloc already have support of this. However I wasn't so
sure that this was possible before,
see https://github.com/jemalloc/jemalloc/blob/dev/include/jemalloc/internal/mutex.h#L80
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next prev parent reply other threads:[~2015-10-21 14:44 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-07 11:18 Yucong Sun
2015-10-16 15:57 ` Yucong Sun
2015-10-21 10:53 ` Corinna Vinschen
2015-10-21 13:50 ` Yucong Sun
2015-10-21 14:15 ` Yucong Sun
2015-10-21 14:16 ` Corinna Vinschen
2015-10-21 15:40 ` Yucong Sun [this message]
2015-10-21 16:06 ` Corinna Vinschen
2015-11-26 9:34 ` Corinna Vinschen
[not found] ` <CAJygYd232P=HQVufwQKtU37hHDiJZO5gzpM7fPKndLGMycJBgw@mail.gmail.com>
2015-12-05 14:32 ` Yucong Sun
2015-12-05 17:05 ` Andrey Repin
2015-12-06 14:08 ` Corinna Vinschen
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