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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] [PATCH] x86: add SSE-based copy_page()
>>> Dan Magenheimer <dan.magenheimer@xxxxxxxxxx> 12.11.08 15:51 >>> >I assume the 12% faster is on a benchmark... It's the win for an application doing nothing but dirtying private mappings of a file. That seemed like the least overhead test that wouldn't require any special testing code in kernel or hypervisor. >Have you measured how much faster the copy_page_sse2 >routine (standalond) is than the memcpy? Is it a >factor of 2? No, I didn't. Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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