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Table of Contents
FLOPS
gcc -O3 -DUNIX -o flops
| MODULE | FADD | FSUB | FMUL | FDIV |
|---|---|---|---|---|
| 1 | 50% | 0% | 43% | 7% |
| 2 | 43% | 29% | 14% | 14% |
| 3 | 35% | 12% | 53% | 0% |
| 4 | 47% | 0% | 53% | 0% |
| 5 | 45% | 0% | 52% | 3% |
| 6 | 45% | 0% | 55% | 0% |
| 7 | 25% | 25% | 25% | 25% |
| 8 | 43% | 0% | 57% | 0% |
Summary of results
| pcfarm | cosinux | pluton | micron | Meta | charon | MacBook | kant | zarathoustra | tanker | |
|---|---|---|---|---|---|---|---|---|---|---|
| OS | Debian Etch | Debian Etch | FreeBSD 7.0 gcc4.2 64bits | Win32 | Win32 | Win32 OpenSolaris | MacOS X 10.5 | Debian Etch | NetBSD 4.0 | FreeBSD 7.0 |
| Compiler | gcc 4.1.1 | gcc 4.1.1 | gcc 4.2 | VC 6.0 | VC 6.0 | VC 6.0 SS12 | gcc 4.2 | gcc 4.1.1 | gcc 4.x | gcc 4.2 |
| CPU Type | Intel Pentium 4 | Intel Xeon | AMD Opteron 250 | Intel Mobile Core 2 Duo L7500 | Intel Core 2 Duo E8500 | Intel Pentium M 750 | Intel Core 2 Duo T7500 | AMD Athlon XP 1900+ | Transmeta Crusoe TM5800 | AMD Athlon™ 64 X2 5200+ |
| CPU Freq | 3.00 GHz | 3.20 GHz | 2.40 GHz | 1.60 GHz | 3.16 GHz | 1.86 GHz | 2.20 GHz | 1.60 GHz | 1.00 GHz | 2.60 GHz |
| Mod. 1 | 901.8858 | 965.6640 | 1405.9542 | 502.7353 | 1961.1491 | 762.0668 838.2656 | 1023.7240 | 754.1616 | 151.8459 | 1448.2092 |
| Mod. 2 | 359.0649 | 365.3225 | 865.0993 | 294.5431 | 1224.4619 | 441.1077 440.1029 | 438.7116 | 465.4254 | 136.5294 | 835.8749 |
| Mod. 3 | 978.5660 | 1039.8141 | 1932.7696 | 841.5353 | 1961.6858 | 1123.0968 1149.0999 | 1760.4868 | 1311.5515 | 206.7945 | 1859.5648 |
| Mod. 4 | 907.2960 | 962.9143 | 1739.9996 | 857.7172 | 2051.2821 | 1061.5066 1276.0525 | 567.4052 | 1103.3793 | 205.0616 | 1677.9128 |
| Mod. 5 | 972.0663 | 1035.2940 | 1729.8708 | 912.5438 | 1186.9854 | 621.0993 1015.0879 | 612.4561 | 1063.8487 | 234.4722 | 1665.0349 |
| Mod. 6 | 979.3746 | 1055.4554 | 1892.5986 | 952.7109 | 1206.4679 | 684.6498 1262.1811 | 827.7106 | 1212.5997 | 314.7081 | 1822.0041 |
| Mod. 7 | 258.9085 | 275.1750 | 502.3997 | 152.1809 | 542.3729 | 195.8247 365.3252 | 280.9953 | 300.3919 | 80.3831 | 484.0393 |
| Mod. 8 | 946.4228 | 1013.4135 | 1816.1883 | 899.1921 | 2197.4249 | 941.5803 1097.0867 | 809.7110 | 1220.1334 | 312.1205 | 1750.6512 |
- As of 2008/12, AMD Opteron 250 (pluton) beats them all (see also Johan De Gelas' benchmark page)
- MacBook's Intel Core 2 Duo 2.20 GHz behaves surprisingly badly w.r.t. the lower-cadenced one on micron for modules 4, 5, 6 and 8. OS issue ?
- Note: This benchmark does not take into account memory accesses and cache performance, thus it does not reflect real world performance of the CPU and must be considered as an assessment of the (kind of) theoretical floating point unit performance.
Detailed results
flops std output + `cat/proc/cpuinfo` or equivalent + `uname -a`
pcfarm/Debian GNU Linux Etch
FLOPS C Program (Double Precision), V2.0 18 Dec 1992
Module Error RunTime MFLOPS
(usec)
1 -8.1208e-11 0.0155 901.8858
2 1.4704e-15 0.0195 359.0649
3 -3.8213e-15 0.0174 978.5660
4 6.1151e-14 0.0165 907.2960
5 -4.4419e-14 0.0298 972.0663
6 7.7002e-15 0.0296 979.3746
7 -6.6161e-13 0.0463 258.9085
8 2.2789e-14 0.0317 946.4228
Iterations = 512000000
NullTime (usec) = 0.0000
MFLOPS(1) = 452.7733
MFLOPS(2) = 516.5398
MFLOPS(3) = 781.0876
MFLOPS(4) = 955.7414
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Pentium(R) 4 CPU 3.00GHz
stepping : 3
cpu MHz : 2992.621
cache size : 2048 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 c
lflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc pni monitor ds_cpl est ci
d cx16 xtpr
bogomips : 5989.07
clflush size : 64
processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Pentium(R) 4 CPU 3.00GHz
stepping : 3
cpu MHz : 2992.621
cache size : 2048 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 c
lflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc pni monitor ds_cpl est ci
d cx16 xtpr
bogomips : 5984.99
clflush size : 64
Linux b06u0009 2.6.22 #1 SMP Mon Oct 29 17:04:05 CET 2007 i686 GNU/Linux
cosinux/Debian GNU Linux Etch
FLOPS C Program (Double Precision), V2.0 18 Dec 1992
Module Error RunTime MFLOPS
(usec)
1 -8.1208e-11 0.0145 965.6640
2 1.4704e-15 0.0192 365.3225
3 -3.8213e-15 0.0163 1039.8141
4 6.1151e-14 0.0156 962.9143
5 -4.4419e-14 0.0280 1035.2940
6 7.7002e-15 0.0275 1055.4554
7 -6.6161e-13 0.0436 275.1750
8 2.2789e-14 0.0296 1013.4135
Iterations = 512000000
NullTime (usec) = 0.0000
MFLOPS(1) = 463.6448
MFLOPS(2) = 550.0338
MFLOPS(3) = 833.6961
MFLOPS(4) = 1022.4030
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Xeon(TM) CPU 3.20GHz
stepping : 3
cpu MHz : 3202.403
cache size : 2048 KB
physical id : 0
siblings : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 c
lflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm pni monitor ds_cpl cid
bogomips : 6340.60
processor : 3
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Xeon(TM) CPU 3.20GHz
stepping : 3
cpu MHz : 3202.403
cache size : 2048 KB
physical id : 3
siblings : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 c
lflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm pni monitor ds_cpl cid
bogomips : 6389.76
Linux master 2.6.8 #2 SMP Wed Nov 16 10:29:26 CET 2005 i686 GNU/Linux
pluton/FreeBSD 7.0
FLOPS C Program (Double Precision), V2.0 18 Dec 1992
Module Error RunTime MFLOPS
(usec)
1 4.0146e-13 0.0100 1405.9542
2 -1.4166e-13 0.0081 865.0993
3 4.7184e-14 0.0088 1932.7696
4 -1.2557e-13 0.0086 1739.9996
5 -1.3800e-13 0.0168 1729.8708
6 3.2380e-13 0.0153 1892.5986
7 -8.4583e-11 0.0239 502.3997
8 3.4867e-13 0.0165 1816.1883
Iterations = 512000000
NullTime (usec) = 0.0000
MFLOPS(1) = 1055.7636
MFLOPS(2) = 980.6289
MFLOPS(3) = 1461.9797
MFLOPS(4) = 1847.4412
Vendor ID: "AuthenticAMD"; CPUID level 1
AMD-specific functions
Version 00000f5a:
Family: 15 Model: 5 []
Processor name string: AMD Opteron(tm) Processor 250
CPU: AMD Opteron(tm) Processor 250 (2392.55-MHz K8-class CPU)
FreeBSD pluton 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Wed Jun 18 23:09:49 CEST 2008 alarcher@pluton:/usr/obj/usr/src/sys/PLUTON_ULE amd64
micron/Win32
FLOPS C Program (Double Precision), V2.0 18 Dec 1992
Module Error RunTime MFLOPS
(usec)
1 4.0146e-013 0.0278 502.7353
2 -1.4166e-013 0.0238 294.5431
3 4.7184e-014 0.0202 841.5353
4 -1.2557e-013 0.0175 857.7172
5 -1.3800e-013 0.0318 912.5438
6 3.2380e-013 0.0304 952.7109
7 -8.4583e-011 0.0789 152.1809
8 3.4867e-013 0.0334 899.1921
Iterations = 512000000
NullTime (usec) = 0.0000
MFLOPS(1) = 374.0219
MFLOPS(2) = 342.9836
MFLOPS(3) = 608.4027
MFLOPS(4) = 896.6207
Processor 1 (ID = 0)
Number of cores 2 (max 2)
Number of threads 2 (max 2)
Name Intel Mobile Core 2 Duo L7500
Codename Merom
Specification Intel(R) Core(TM)2 Duo CPU L7500 @ 1.60GHz
Package Socket P (478) (platform ID = 7h)
CPUID 6.F.B
Extended CPUID 6.F
Core Stepping G0
Technology 65 nm
Core Speed 1596.8 MHz (8.0 x 199.6 MHz)
Rated Bus speed 798.4 MHz
Stock frequency 1600 MHz
Instructions sets MMX, SSE, SSE2, SSE3, SSSE3, EM64T
L1 Data cache 2 x 32 KBytes, 8-way set associative, 64-byte line size
L1 Instruction cache 2 x 32 KBytes, 8-way set associative, 64-byte line size
L2 cache 4096 KBytes, 16-way set associative, 64-byte line size
FID/VID Control yes
FID range 6.0x - 8.0x
max VID 1.113 V
Features , VT
Windows Version Microsoft Windows Vista (6.0) Ultimate Edition Service Pack 1 (Build 6001)
Build Options /Ox /Oi /GL /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_UNICODE" /D "UNICODE"
/FD /MT /W4 /nologo /c /TC
This benchmark is dedicated to the memory of Pandore (2003 - 2007)
charon/Win32
FLOPS C Program (Double Precision), V2.0 18 Dec 1992
Module Error RunTime MFLOPS
(usec)
1 4.0146e-013 0.0184 762.0668
2 -1.4166e-013 0.0159 441.1077
3 4.7184e-014 0.0151 1123.0968
4 -1.2557e-013 0.0141 1061.5066
5 -1.3800e-013 0.0467 621.0993
6 3.2380e-013 0.0424 684.6498
7 -8.4583e-011 0.0613 195.8247
8 3.4867e-013 0.0319 941.5803
Iterations = 512000000
NullTime (usec) = 0.0000
MFLOPS(1) = 550.3669
MFLOPS(2) = 398.1093
MFLOPS(3) = 635.2573
MFLOPS(4) = 879.3432
Processor 1 (ID = 0)
Number of cores 1 (max 1)
Number of threads 1 (max 1)
Name Intel Pentium M 750
Codename Dothan
Specification Intel(R) Pentium(R) M processor 1.86GHz
Package Socket 479 mPGA (platform ID = 5h)
CPUID 6.D.8
Extended CPUID 6.D
Brand ID 22
Core Stepping C0
Technology 90 nm
Core Speed 1862.1 MHz (14.0 x 133.0 MHz)
Rated Bus speed 532.0 MHz
Stock frequency 1866 MHz
Instructions sets MMX, SSE, SSE2
L1 Data cache 32 KBytes, 8-way set associative, 64-byte line size
L1 Instruction cache 32 KBytes, 8-way set associative, 64-byte line size
L2 cache 2048 KBytes, 8-way set associative, 64-byte line size
FID/VID Control yes
FID range 6.0x - 14.0x
max VID 1.356 V
Features XD
Windows Version Microsoft Windows XP Professional Service Pack 3 (Build 2600)
MacBook/MacOS X Leopard
FLOPS C Program (Double Precision), V2.0 18 Dec 1992
Module Error RunTime MFLOPS
(usec)
1 4.0146e-13 0.0137 1023.7240
2 -1.4166e-13 0.0160 438.7116
3 4.7184e-14 0.0097 1760.4868
4 -1.2557e-13 0.0264 567.4052
5 -1.3800e-13 0.0474 612.4561
6 3.2380e-13 0.0350 827.7106
7 -8.4583e-11 0.0427 280.9953
8 3.4867e-13 0.0371 809.7110
Iterations = 512000000
NullTime (usec) = 0.0005
MFLOPS(1) = 581.4247
MFLOPS(2) = 501.6895
MFLOPS(3) = 688.9703
MFLOPS(4) = 841.1967
Hardware Overview:
Model Name: MacBook
Model Identifier: MacBook3,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2.2 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 4 MB
Memory: 1 GB
Bus Speed: 800 MHz
kant/Debian GNU Linux Etch
FLOPS C Program (Double Precision), V2.0 18 Dec 1992
Module Error RunTime MFLOPS
(usec)
1 -8.1208e-11 0.0186 754.1616
2 1.4704e-15 0.0150 465.4254
3 -3.8213e-15 0.0130 1311.5515
4 6.1151e-14 0.0136 1103.3793
5 -4.4419e-14 0.0273 1063.8487
6 7.7002e-15 0.0239 1212.5997
7 -6.6161e-13 0.0399 300.3919
8 2.2789e-14 0.0246 1220.1334
Iterations = 512000000
NullTime (usec) = 0.0000
MFLOPS(1) = 589.8248
MFLOPS(2) = 593.5499
MFLOPS(3) = 907.7888
MFLOPS(4) = 1212.3734
processor : 0
vendor_id : AuthenticAMD
cpu family : 6
model : 6
model name : AMD Athlon(tm) XP 1900+
stepping : 2
cpu MHz : 1599.764
cache size : 256 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36 mmx fxsr sse syscall mp mmxext 3dnowext 3dnow ts
bogomips : 3202.09
Linux kant 2.6.18-6-486 #1 Sat May 24 09:50:27 UTC 2008 i686 GNU/Linux
zarathoustra/NetBSD 4.0
FLOPS C Program (Double Precision), V2.0 18 Dec 1992
Module Error RunTime MFLOPS
(usec)
1 -7.6739e-13 0.0922 151.8459
2 -5.7021e-13 0.0513 136.5294
3 -2.4314e-14 0.0822 206.7945
4 6.8501e-14 0.0731 205.0616
5 -1.6320e-14 0.1237 234.4722
6 1.3961e-13 0.0921 314.7081
7 -3.6152e-11 0.1493 80.3831
8 9.0483e-15 0.0961 312.1205
Iterations = 256000000
NullTime (usec) = 0.0000
MFLOPS(1) = 153.5907
MFLOPS(2) = 143.3250
MFLOPS(3) = 205.9856
MFLOPS(4) = 264.8262
uname -a from a Linux install :
processor : 0
vendor_id : GenuineTMx86
cpu family : 6
model : 4
model name : Transmeta(tm) Crusoe(tm) Processor TM5800
stepping : 3
cpu MHz : 998.658
cache size : 512 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr cx8 sep cmov mmx longrun lrti
bogomips : 1985.74
