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by ariadneconill
1816 days ago
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That is certainly a take. Storing small data, like function-local ints, pointers, etc, on the stack is beneficial due to L1$ prefetching semantics, but storing a 512KB scratchpad on the stack (which is what the article is about) will totally trash your L1$ and you'll have MORE cache misses than you would if that scratchpad was not on the stack. |
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