Messages in this thread | | | Date | Fri, 11 Jan 2002 05:51:14 -0500 | From | Jeff Garzik <> | Subject | Re: [PATCH] Small optimization for UP in sched and prefetch |
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Rainer Keller wrote: > PS: Because of usage of prefetch in include/linux/list.h, the memory > prefetch is triggered 137 times on my configuration...
We need to merge in __builtin_prefetch support into the kernel, because gcc 3.1 recently got support for it. It would be nice at least for future prefetch-related patches to perhaps call __builtin_prefetch, and have the headers substitute a prefetch if the compiler does not support it.
Jeff
-- Jeff Garzik | Alternate titles for LOTR: Building 1024 | Fast Times at Uruk-Hai MandrakeSoft | The Took, the Elf, His Daughter and Her Lover | Samwise Gamgee: International Hobbit of Mystery - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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