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Ok, I just read through the article. As I understand, their tests were designed to run entirely on data on the local cores' cache? I only see L1d mentioned ther
by tanelpoder 2y ago
Ok, I just read through the article. As I understand, their tests were designed to run entirely on data on the local cores' cache? I only see L1d mentioned there.
- eqvinox 2y agoYes, that's my understanding of "Zen 5 also doubles L1D load bandwidth, and I’m exercising that by having each FMA instruction source an input from the data cache." Also, considering the author's other work, I'm pretty sure they can isolate load-store performance from cache performance from memory interface performance.