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RE: [Xen-devel] 46% performance drop with change in glibc
| To: | "Andrew Theurer" <habanero@xxxxxxxxxx> |
|---|---|
| Subject: | RE: [Xen-devel] 46% performance drop with change in glibc |
| From: | "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx> |
| Date: | Tue, 8 Nov 2005 13:17:20 -0000 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx, Ulrich Drepper <drepper@xxxxxxxxxx>, Robert Read <robert@xxxxxxxxxxxxx> |
| Delivery-date: | Tue, 08 Nov 2005 13:17:42 +0000 |
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| Thread-index: | AcXkZSrg/MAmUl39SU2iN5VvhdGxigAARzoA |
| Thread-topic: | [Xen-devel] 46% performance drop with change in glibc |
> >It should be in the main tree. The appended patch was included some > >time ago, but I've never tested it to see whether it works since I > >don't generally run bleeding edge Fedora. > > > >Is there some piece of the patch missing? > > > No, it's all there. Only part I needed was the change to > ld.so.conf. > So, anyone with FC4, you might want to make sure you have the > entry "hwcap 0 nosegneg". It looks like the performance > regression has disappeared now. Thanks all for you help. Perhaps we should have the install script insert a file called /etc/ld.so.conf.d/xen containing "hwcap 0 nosegneg" ? Ian _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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