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benchmark: check for time precision in common.js #12934

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benchmark: check for time precision in common.js #12934

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3 changes: 3 additions & 0 deletions benchmark/common.js
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Original file line number Diff line number Diff line change
Expand Up @@ -196,6 +196,9 @@ Benchmark.prototype.end = function(operations) {
if (!process.env.NODEJS_BENCHMARK_ZERO_ALLOWED && operations <= 0) {
throw new Error('called end() with operation count <= 0');
}
if (elapsed[0] === 0 && elapsed[1] === 0) {
throw new Error('insufficient time precision for short benchmark');
}

const time = elapsed[0] + elapsed[1] / 1e9;
const rate = operations / time;
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