> a plateau is hit after 8 threads? Most of the graphs plateau around 6 threads,... | Hacker News

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swiftcoder on July 15, 2025 | parent | context | favorite | on: Cache Benchmarks

> a plateau is hit after 8 threads?

Most of the graphs plateau around 6 threads, for pretty much all the caches under test. I wonder if there is some interesting architectural issue with cache-sharing on this particular platform?

namibj on July 15, 2025 [–]

I guess memory controller behavior; especially if it's not set up for parallelism IOPS but for single-threaded throughout (channel interleaving).

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