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[Bug libc/1541] Poor threaded application performance when using malloc
- From: "sjmunroe at us dot ibm dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: 1 Nov 2005 17:19:24 -0000
- Subject: [Bug libc/1541] Poor threaded application performance when using malloc
- References: <20051025141150.1541.sjmunroe@us.ibm.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From sjmunroe at us dot ibm dot com 2005-11-01 17:19 -------
Created an attachment (id=734)
--> (http://sourceware.org/bugzilla/attachment.cgi?id=734&action=view)
profile from similar run but with MMAP_THRESHOLD increased to 16M
Increasing the MMAP_THRESHOLD improved performance so I had the increase the
number of iterations to get the test to run long enoigh to profile. The profile
show most of the time (92%) in the test application (run_test) and and a few
percent in the malloc runtime. The first kernel contribution starts at 0.2% for
schedule.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=1541
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