Gopheria

Archive

Every article published here, newest first.

12 articles in total

October 2026

4 articles
  1. The 30% is 46%, and it stops dead at 80 bytesPerformance and measurement
  2. Only 54 µs of that 68 ms collection was a pauseRuntime internals
  3. Green Tea cut my GC time 63%, and raised it 39%Runtime internals
  4. The GOGC I set next to GOMEMLIMIT never firedRuntime internals

September 2026

4 articles
  1. A 404 from net/http costs 62 allocationsEcosystem and tooling
  2. The mutex was 68 times faster, until I added workConcurrency in practice
  3. A 1 MiB goroutine stack costs 136µs and reports 144 B/opRuntime internals
  4. benchstat reported p=0.000 between a function and itselfPerformance and measurement

August 2026

4 articles
  1. GOMAXPROCS is not your thread countRuntime internals
  2. sync.Pool survives one GC, not twoRuntime internals
  3. Escape analysis is not a rule of thumbPerformance and measurement
  4. What the Go scheduler does when your goroutine blocksRuntime internals

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