zoukankan      html  css  js  c++  java
  • liblfds 测试

    liblfds 是一个灵活的无锁的数据结构库。支持 x86、x64、ARM 上的 Windows 和 Linux 系统。当前该数据结构库包含:列表、队列、ringbuffer、链接列表和堆栈。

    使用 liblfds 6.1.1 在一台32 核心的X86机器上测试了一下,这里贴出一部分,从数据看来,核心越多,每核心每秒操作数

    反而越低,总体性能曾下降趋势,怪了,顿时影响我对这个库的信心

    Benchmark Iteration 01
    ========================

    Release 6.1.1 Freelist Benchmark #1
    CPUs,total ops,mean ops/sec per CPU,standard deviation,scalability
    1,246081358,24608136,0,1.00
    2,199543112,9977156,11895333,0.41
    3,89551600,2985053,2899417,0.12
    4,72142158,1803554,1736669,0.07
    5,63174052,1263481,1231531,0.05
    6,56724522,945409,928488,0.04
    7,52423462,748907,741945,0.03
    8,49750856,621886,622482,0.03
    9,33216690,369074,885494,0.01
    10,29548254,295483,577371,0.01
    11,27488642,249897,349166,0.01
    12,27429622,228580,243030,0.01
    13,26364156,202801,198908,0.01
    14,26559260,189709,198769,0.01
    15,25467484,169783,200595,0.01
    16,25168734,157305,224077,0.01
    17,26750556,157356,224953,0.01
    18,26440556,146892,183104,0.01
    19,27767700,146146,182785,0.01
    20,28852032,144260,179046,0.01
    21,30215072,143881,177123,0.01
    22,31246522,142030,173322,0.01
    23,32409560,140911,168121,0.01
    24,33457132,139405,163690,0.01
    25,33074418,132298,197168,0.01
    26,32506334,125024,224112,0.01
    27,31940668,118299,256833,0.00
    28,31774470,113480,260138,0.00
    29,31559118,108825,259814,0.00
    30,31162320,103874,261511,0.00
    31,30791554,99328,265175,0.00
    32,30343526,94824,270157,0.00

    Release 6.1.1 Queue Benchmark #1
    CPUs,total ops,mean ops/sec per CPU,standard deviation,scalability
    1,77646406,7764641,0,1.00
    2,66672016,3333601,3548060,0.43
    3,50812638,1693755,1474220,0.22
    4,57219558,1430489,1308237,0.18
    5,57723612,1154472,1082222,0.15
    6,56615766,943596,895511,0.12
    7,53761898,768027,737010,0.10
    8,52140530,651757,632714,0.08
    9,23796974,264411,422512,0.03
    10,20895830,208958,409337,0.03
    11,20253188,184120,321570,0.02
    12,19833992,165283,227924,0.02
    13,19149290,147302,160678,0.02
    14,18602130,132872,133459,0.02
    15,17924544,119497,133588,0.02
    16,17623768,110149,147579,0.01
    17,17453130,102665,133979,0.01
    18,17135614,95198,112838,0.01
    19,17031684,89640,102983,0.01
    20,16904596,84523,93208,0.01
    21,16865270,80311,87486,0.01
    22,16764744,76203,82259,0.01
    23,16669194,72475,78501,0.01
    24,16607532,69198,75868,0.01
    25,16408878,65636,80149,0.01
    26,16213512,62360,84749,0.01
    27,16021986,59341,87562,0.01
    28,15915004,56839,86468,0.01
    29,15780098,54414,88629,0.01
    30,15660432,52201,90686,0.01
    31,15488272,49962,94192,0.01
    32,15325536,47892,97841,0.01

  • 相关阅读:
    Delphi从Internet下载文件
    datasnap 上传/下载大文件(本Demo以图传片文件为例)
    delphi 理解ParamStr
    delphi2010多线程编程教程
    QQ2008自动聊天精灵delphi源码
    Delphi使用Indy、ICS组件读取网页
    UniDac 使用日记(转)
    delphi xe5 安卓 配置sqlite
    Netty内存管理器ByteBufAllocator及内存分配
    初识内存分配ByteBuf
  • 原文地址:https://www.cnblogs.com/jiayy/p/3014968.html
Copyright © 2011-2022 走看看