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Can you give an example? I've seen Lemire correct his posts on many occasions and the source code is published. I don't know many blogs doing anything remotely
by alecco 6y ago
Can you give an example? I've seen Lemire correct his posts on many occasions and the source code is published. I don't know many blogs doing anything remotely like that.
- titzer 6y agoSure. He often benchmark some small C++ code on his "laptop" CPU (which one exactly? microarchs matter!) and then committing classic microbenchmarking pitfalls such as: - benchmarking something small enough to inspect machine code, but not inspecting machine code - not plotting distribution, average, variance etc - no attention paid to CPU frequency governor settings - measuring too short a run - measuring too small a dataset that it fits entirely in L1