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by viraptor
2545 days ago
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> I don't know if my workloads would be memory latency sensitive and worse, I don't even have a clue how I would find out. If you develop on something unix-ish valgrind's cachegrind will tell you about your L1 performance. On recent Linux you can get this straight from the kernel with `perf stat` https://perf.wiki.kernel.org/index.php/ (cache-misses are total misses in all levels) The most basic question is: are you randomly accessing more then your processor's cache worth of memory? |
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