Messages in this thread | | | From | (Kanoj Sarcar) | Subject | Experiment on usefuleness of cache coloring on ia32 | Date | Thu, 10 Jun 1999 12:18:32 -0700 (PDT) |
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In an attempt to characterize the effects of cache coloring in the os for a modern Intel processor, I spent a couple of days hacking the Linux kernel and experimenting with a toy program. The kernel patch does a gross type of colored allocation by grabbing pages from the free list until it gets one of the right color - the intent is not to study the os overheads of doing colored allocations, rather the benefits a program might see from using pages allocated in such fashion. My findings are at
http://reality.sgi.com/kanoj_engr/ccdis.html
and it has at least one unexplained observation. If you are interested in this sort of thing, please browse it and send me comments about how I can improve the study. Pointers to apps which are suspected to benefit from cache coloring would also help.
Thanks.
Kanoj kanoj@engr.sgi.com
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