Wednesday, August 14, 2013

WebKit Binary Size Speed Boost

Benjamin Poulain:

The memory locality of the instructions affects the CPU caches; the more the code is spread out, the more time the CPU cores are waiting for something to do. Typically, we want to reduce the number of cache misses, being from the instruction-cache, TLB, page faults, etc. Since cache sizes and memory speeds do not increase as fast as our binaries are growing, we cannot count on new hardware to compensate. We need to address the issue in software.

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