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0104a74028
Preloading a few cache lines ahead brings a significant speedup in memcpy throughput. Note, the particular (optimal) value was empirically determined on a Cortex-A9 (Zynq-7000) SoC @ 666Mhz. It is best combined with L2 prefetching enabled (including double linefills and prefetch offset 7). Yet, even without L2 prefetching this seems to be the sweet spot. genodelabs/genode#4456 |
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atomic.h | ||
consts.h | ||
cpu_state.h | ||
string.h |