• Dmitriy Vyukov's avatar
    runtime: faster chan creation on Linux/FreeBSD/Plan9 · d770aade
    Dmitriy Vyukov authored
    The change removes chan finalizer (Lock destructor)
    if it is not required on the platform.
    
    benchmark                    old ns/op    new ns/op    delta
    BenchmarkChanCreation          1132.00       381.00  -66.34%
    BenchmarkChanCreation-2        1215.00       243.00  -80.00%
    BenchmarkChanCreation-4        1084.00       186.00  -82.84%
    BenchmarkChanCreation-8        1415.00       154.00  -89.12%
    BenchmarkChanCreation-16       1386.00       144.00  -89.61%
    (on 2 x Intel Xeon E5620, 8 HT cores, 2.4 GHz, Linux)
    
    R=golang-dev, rsc
    CC=golang-dev
    https://golang.org/cl/4841041
    d770aade
thread.c 3.89 KB