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Efficiency comparation in `sync.Mutex`, `sync.Map`, and `atomic.Value`
When I compare efficiency of sync.mu, sync.Map and atomic.Value in go, expected that sync.mu is less efficient than latter two. But when I did a benchmark test, found that execution duration is less u...
wanncy
Votes: 0
Answers: 1
Faulty benchmark, puzzling assembly
Assembly novice here. I've written a benchmark to measure the floating-point performance of a machine in computing a transposed matrix-tensor product.
Given my machine with 32GiB RAM (bandwidth ~37GiB...
Nitin Malapally
Votes: 0
Answers: 1
Performance difference in arithmetic operations between static and non-static field
I have a class which counts events. It looks like this:
public class Counter {
private static final long BUCKET_SIZE_NS = Duration.ofMillis(100).toNanos();
...
private long nextBucketNum(...
viator
Votes: 0
Answers: 2
Confusing results on CHA aware Jacobi 2D microbenchmark
I aim to implement a lower latency version of jacobi 2d stencil. The default version is depicted below in the code snippet:
for(auto i = 1; i < N - 1; ++i) {
for(auto j = 1; j < N - 1; ++j) ...
avernus
Votes: 0
Answers: 2