• Dmitriy Vyukov's avatar
    runtime: faster finalizers · c14b2689
    Dmitriy Vyukov authored
    Linux/amd64, 2 x Intel Xeon E5620, 8 HT cores, 2.40GHz
    benchmark                    old ns/op    new ns/op    delta
    BenchmarkFinalizer              420.00       261.00  -37.86%
    BenchmarkFinalizer-2            985.00       201.00  -79.59%
    BenchmarkFinalizer-4           1077.00       244.00  -77.34%
    BenchmarkFinalizer-8           1155.00       180.00  -84.42%
    BenchmarkFinalizer-16          1182.00       184.00  -84.43%
    
    BenchmarkFinalizerRun          2128.00      1378.00  -35.24%
    BenchmarkFinalizerRun-2        1655.00      1418.00  -14.32%
    BenchmarkFinalizerRun-4        1634.00      1522.00   -6.85%
    BenchmarkFinalizerRun-8        2213.00      1581.00  -28.56%
    BenchmarkFinalizerRun-16       2424.00      1599.00  -34.03%
    
    Darwin/amd64, Intel L9600, 2 cores, 2.13GHz
    benchmark                    old ns/op    new ns/op    delta
    BenchmarkChanCreation          1451.00       926.00  -36.18%
    BenchmarkChanCreation-2        3124.00      1412.00  -54.80%
    BenchmarkChanCreation-4        6121.00      2628.00  -57.07%
    
    BenchmarkFinalizer              684.00       420.00  -38.60%
    BenchmarkFinalizer-2          11195.00       398.00  -96.44%
    BenchmarkFinalizer-4          15862.00       654.00  -95.88%
    
    BenchmarkFinalizerRun          2025.00      1397.00  -31.01%
    BenchmarkFinalizerRun-2        3920.00      1447.00  -63.09%
    BenchmarkFinalizerRun-4        9471.00      1545.00  -83.69%
    
    R=golang-dev, cw, rsc
    CC=golang-dev
    https://golang.org/cl/4963057
    c14b2689
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