Linux下Cell 3.2G vs. PPC G5 1.6G对比测试出炉

maomaobear

现在的问题是，什么程序充分利用了spe的运算能力？cell的问题如果解决，是否意味着gpgpu+cup的问题也能解决？

blackknight

笔记本上测的，Core Duo T2500@2GHz。


Geekbench 2006 (build 238).  Email geekbench@geekpatrol.ca with feedback.

System Information
  Geekbench Version:         Geekbench 2006 (build 238)
  Geekbench Platform:        Windows x86 (32-bit)
  Geekbench Compiler:        Visual C++ 2005
  OS:                        Microsoft Windows XP Professional
  Model:                     Dell Inc. MM061
  Motherboard:               Dell Inc. 0XD720
  Processor:                 Genuine Intel(R) CPU           T2500  @ 2.00GHz
  Processor ID:              GenuineIntel Family 6 Model 14 Stepping 8
  Logical Processor Count:   2
  Physical Processor Count:  2
  Processor Frequency:       1995 MHz
  Bus Frequency:             133 MHz
  Memory:                    1022 MB

Integer Performance
  Emulate 6502
    single-threaded scalar   157.0 (rate: 1.0, result: 296.9 MHz)
    multi-threaded scalar    314.1 (rate: 2.0, result: 593.5 MHz)
  Blowfish
    single-threaded scalar   120.1 (rate: 1.0, result: 49.5 MB/sec)
    multi-threaded scalar    239.5 (rate: 2.0, result: 98.8 MB/sec)
  bzip2 Compress
    single-threaded scalar   198.8 (rate: 1.0, result: 31.0 MB/sec)
    multi-threaded scalar    392.3 (rate: 2.0, result: 60.8 MB/sec)
  bzip2 Decompress
    single-threaded scalar   158.1 (rate: 1.0, result: 58.8 MB/sec)
    multi-threaded scalar    324.4 (rate: 2.0, result: 116.8 MB/sec)

Floating Point Performance
  Mandelbrot
    single-threaded scalar   125.4 (rate: 1.0, result: 889.0 Mflops)
    multi-threaded scalar    250.6 (rate: 2.0, result: 1.8 Gflops)
  Dot Product
    single-threaded scalar    95.3 (rate: 1.0, result: 490.9 Mflops)
    multi-threaded scalar    186.8 (rate: 2.0, result: 970.7 Mflops)
    single-threaded vector   155.6 (rate: 4.5, result: 2.2 Gflops)
    multi-threaded vector    308.5 (rate: 9.1, result: 4.4 Gflops)
  JPEG Compress
    single-threaded scalar   142.0 (rate: 1.0, result: 13.2 Mpixels/sec)
    multi-threaded scalar    284.9 (rate: 2.0, result: 26.4 Mpixels/sec)
  JPEG Decompress
    single-threaded scalar   153.4 (rate: 1.0, result: 25.5 Mpixels/sec)
    multi-threaded scalar    293.4 (rate: 1.9, result: 48.6 Mpixels/sec)

Memory Performance
  Read Sequential
    single-threaded scalar   213.5 (rate: 1.0, result: 2.7 GB/sec)
    multi-threaded scalar     26.8 (rate: 0.1, result: 166.5 MB/sec)
  Write Sequential
    single-threaded scalar   203.1 (rate: 1.0, result: 1.5 GB/sec)
    multi-threaded scalar    209.2 (rate: 0.5, result: 803.4 MB/sec)
  Stdlib Allocate
    single-threaded scalar    99.0 (rate: 1.0, result: 3.5 Mallocs/sec)
    multi-threaded scalar     45.5 (rate: 0.5, result: 1.6 Mallocs/sec)
  Stdlib Write
    single-threaded scalar   259.4 (rate: 1.0, result: 6.6 GB/sec)
    multi-threaded scalar    172.3 (rate: 0.6, result: 4.0 GB/sec)
  Stdlib Copy
    single-threaded scalar   188.8 (rate: 1.0, result: 2.1 GB/sec)
    multi-threaded scalar    151.1 (rate: 0.8, result: 1.6 GB/sec)

Stream Performance
  Stream Copy
    single-threaded scalar   171.2 (rate: 1.0, result: 2.1 GB/sec)
    multi-threaded scalar    179.4 (rate: 1.0, result: 2.2 GB/sec)
    single-threaded vector   160.2 (rate: 1.0, result: 2.2 GB/sec)
    multi-threaded vector    166.0 (rate: 1.1, result: 2.3 GB/sec)
  Stream Scale
    single-threaded scalar   185.1 (rate: 1.0, result: 2.2 GB/sec)
    multi-threaded scalar    190.9 (rate: 1.0, result: 2.2 GB/sec)
    single-threaded vector   160.3 (rate: 1.0, result: 2.2 GB/sec)
    multi-threaded vector    164.2 (rate: 1.0, result: 2.3 GB/sec)
  Stream Add
    single-threaded scalar   178.7 (rate: 1.0, result: 2.3 GB/sec)
    multi-threaded scalar    193.1 (rate: 1.1, result: 2.6 GB/sec)
    single-threaded vector   177.8 (rate: 1.1, result: 2.5 GB/sec)
    multi-threaded vector    183.0 (rate: 1.1, result: 2.6 GB/sec)
  Stream Triad
    single-threaded scalar   175.1 (rate: 1.0, result: 2.3 GB/sec)
    multi-threaded scalar    192.2 (rate: 1.1, result: 2.6 GB/sec)
    single-threaded vector   140.5 (rate: 1.1, result: 2.4 GB/sec)
    multi-threaded vector    146.9 (rate: 1.1, result: 2.6 GB/sec)

Overall Score:   187.1

chris100

・Dhrystone v2.1
PS3 Cell 3.2GHz: 1879.630
PowerPC G4 1.25GHz: 2202.600
PentiumIII 866MHz: 1124.311
Pentium4 2.0AGHz: 1694.717
Pentium4 3.2GHz: 3258.068

・Linpack 100x100 Benchmark In C/C++ (Rolled Double Precision)
PS3 Cell 3.2GHz: 315.71
PentiumIII 866MHz: 313.05
Pentium4 2.0AGHz: 683.91
Pentium4 3.2GHz: 770.66
Athlon64 X2 4400+ (2.2GHz): 781.58

・Linpack 100x100 Benchmark In C/C++ (Rolled Single Precision)
PS3 Cell 3.2GHz: 312.64
PentiumIII 866MHz: 198.7
Pentium4 2.0AGHz: 82.57
Pentium4 3.2GHz: 276.14
Athlon64 X2 4400+ (2.2GHz): 538.05


source: http://rian.s26.xrea.com/nicky.cgi?D...121A#20061121A

aeondxf

新资料,厚道地顶一下.

Prescott

原帖由 RacingPHT 于 2006-11-27 18:03 发表


有意思.
NGC Gekko 485MHZ, Dhrystone v2.1 = 1125
PS2 EE      297MHZ, Dhrystone vX.X = 450
(我没搞错吧..)

PPC 750只有4级流水线，还有一个说得过去的分支预测器，加上单周期的L1，跑Dhrystone效率自然不错。

the_god_of_pig

我来挖出来:lol:

HardCoded

原帖由 the_god_of_pig 于 2007-3-18 19:24 发表
我来挖出来:lol:

这坟里埋了不少人啊。