Messages in this thread | | | Date | Sat, 2 Nov 2002 13:23:12 +0100 | From | Andi Kleen <> | Subject | Re: [PATCH] 2/2 2.5.45 cleanup & add original copy_ro/from_user |
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> It's easy to time memcpy() but harder to measure susequent > cache misses when copied data gets accessed. We can read it > back after memcpy and measure memcpy()+read, but is entire > copy gets used immediately after memcpy() in real world usage? > We're in benchmarking hell :(
You test common operations, like pipe bandwidth or ioctls.
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