Go - Changing the Timing for Running Performance Tests-526互联

Problem: You want to run performance tests for a specific duration or a specific number of iterations.

Solution: You can increase the minimum duration the benchmarks should run or increase the number of iterations using the -benchtime flag.

To run this faster, you can specify the timing to run using the -benchtime flag:
% go test - v - bench=LoadAndFlip - run=XXX -benchtime=100ms

You can also use the - benchtime flag to specify the number of times the iterator should run, using the argument Nx , where N is the number of times to run:
% go test - v - bench=LoadAndFlip - run=XXX -benchtime=100x

goos: darwin

goarch: arm64

pkg: github.com/sausheong/gocookbook/ch19_benchmarking

BenchmarkLoadAndFlip

BenchmarkLoadAndFlip - 10 100 712695 ns/op

PASS

ok github.com/sausheong/gocookbook/ch19_benchmarking 1.932s

You can see here that you’re running 100 iterations in the loop.

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