test: Use time.perf_counter instead of time.time for performance tests #3556
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On windows, time.time has low resolution (about 15ms), which makes performance tests flaky. time.perf_counter has much higher resolution and is the recommended way to measure elapsed time.
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On windows, time.time has low resolution (about 15ms), which makes performance tests flaky. time.perf_counter has much higher resolution and is the recommended way to measure elapsed time.