Performance on 春江暮客 https://www.bobobk.com/en/tags/performance/ Recent content in Performance on 春江暮客 Hugo en Wed, 04 Nov 2026 14:20:02 +0800 Measure Python Task Duration: Wall Time vs CPU Time with perf_counter and process_time https://www.bobobk.com/en/python-wall-cpu-stage-timing.html Wed, 04 Nov 2026 14:20:02 +0800 https://www.bobobk.com/en/python-wall-cpu-stage-timing.html Record elapsed and process CPU time with the Python standard library, test waiting, computation, units, and failures, and narrow down slow automation stages. Find a Slow CSV Lookup with Python cProfile and Verify the Optimization https://www.bobobk.com/en/python-cprofile-csv-bottleneck.html Sun, 25 Oct 2026 20:28:34 +0800 https://www.bobobk.com/en/python-cprofile-csv-bottleneck.html Use cProfile and pstats to locate repeated list scans in a CSV filter, build one set, and verify output and elapsed time.