Ubench

Ubench 0.32

The Unix Benchmark Utility "ubench" provides a single measure of perfomance for machines running various flavors of Unix operating system.

Ubench is distributed in the hope that it will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose.

The current development release tests only CPU(s) and memory. In the future releases there will be tests added for disk and TCP/IP. Ubench is taking advantage of multiple CPUs on an SMP system and the results will reflect that unless ubench has been invoked with '-s' flag.

Other factors affecting ubench results include quality of the C-compiler, C-library, kernel version, OS scalability, amount of RAM, presence of other applications running at the same time, etc.

Ubench is executing rather senseless mathematical integer and floating-point calculations for 3 mins concurrently using several processes, and the result is Ubench CPU benchmark. The ratio of floating-point calculations to integer is about 1:3.

Ubench will spawn about 2 concurrent processes for each CPU available on the system. This ensures all available raw CPU horsepower is used.

Ubench is executing rather senseless memory allocation and memory to memory copying operations for another 3 mins concurrently using several processes, and the result is Ubench MEM benchmark.

The following are the samples of ubench output for some systems. Attention: The MEM benchmarks for all Linux systems had to be adjusted by a factor of 8 due to the bug in ubench version < 0.32. The MEM benchmark for all AIX system had to be adjusted by a factor of 4. The bug has been corrected in version 0.32. The benchmarks submitted before 07/31/2000 have been recalculated.

As any benchmark the ubench numbers by itself have no meaning and can be used only when comparing to ubench marks from other systems.

System Description Ubench CPU Ubench MEM Ubench AVG

Compaq GS-160 "Wildfire"
Tru64 Unix 5.1
16xAlpha-EV67 731Mhz 32Gb RAM 926,962 629,974 778,468

HP 9000/800/SD32000 "Superdome"
HP-UX B.11.11 64-bit
16x750Mhz PA-RISK 8700, 64Gb RAM 342,297 1,035,083 688,690

Fujitsu PrimePower 650
SunOS 5.9
8xSPARC64 1.35GHz 16Gb RAM 328,298 764,175 546,236

Sun Enterprise 10000
SunOS 5.7
56x400Mhz, 56Gb RAM 470,177 374,158 422,167

IBM RS/6000 S80
AIX 4.3.3 64-bit
24x450Mhz RS64 III, 32Gb RAM 436,302 353,864 395,083

Sun Fire E2900, SunOS 5.9
8 x 1.2GHz, 32Gb RAM 412,763 324,492 368,627

HP 9000/800/SD32000 "Superdome"
HP-UX B.11.11 64-bit
8x750Mhz PA-RISK 8700, 32Gb RAM 172,719 542,522 357,620

MacBook Pro3,1
Intel Core 2 Duo 2.2GHz, 4Mb L2, 2Gb RAM 445,754 214,018 329,886

Linux Debian 3.0 2.4.20 kernel
2xXeon 3.06GHz 2Gb RAM 261,632 223,161 242,396

Sun Fire V1280, SunOS 5.9
8 x 900MHz, 16Gb RAM 156,692 308,251 232,471

Linux 2.4.19-SMP
2xOpteron 242 1.6HGz 4Gb RAM 173,733 249,017 211,375

Solaris 9 x86 12/02
2xIntel Xeon-DP 2.4GHz 2Gb RAM 192,562 178,511 185,536

RedHat 7.3 2.4.20 kernel
2xIntel Xeon-DP 2.4GHz 1Gb RAM 167,484 196,504 181,994

Dell PowerEdge 1750
RedHat9, 2.4.20-8smp
2xIntel Xeon 2.4HGz, 2Gb RAM 175,459 174,144 174,801

HP ProLiant DL380 G3
Linux 2.4.20-18.7smp
2xXeon 2.8HGz, 512Mb RAM 202,239 142,563 172,401

Mandrake 8.2 Linux 2.4.18
2xAMD MP 2400+ 2GHz 512Mb RAM 183,295 158,797 171,046

Linux 2.4.23
2xAthlon MP 2400+ 3.5Gb RAM 199,249 137,034 168,141

RedHat 7.3 Linux 2.4.18
2xXeon 2.2GHz 2Gb RAM 177,833 157,239 167,536

HP 9000/800/N4000-55
HP-UX B.11.00 64-bit
8x550Mhz PA-RISK 8600, 10Gb RAM 117,322 214,176 165,749

FreeBSD 5.2.1-RELEASE
2xOpteron 244 1.8HGz, 1Gb PC3200 RAM 171,109 155,767 163,438

Linux Gentoo 2.6.2
2xAthlon MP 2000+ 1.8HGz, 1Gb RAM 177,187 149,499 163,343

PowerMac, Darwin Kernel 6.8
2xG4 PPC 1.25GHz 768Mb RAM 152,094 151,369 151,731

FreeBSD 4.10-BETA
2xIntel Xeon 2.4GHz 512kB L2 4Gb RAM 160,312 139,948 150,130

FreeBSD 4.7
2xIntel Xeon 2.4GHz 512kB L2 512Mb RDRAM 163,207 132,191 147,699

Linux 2.4.19-1
2xAMD MP1900+ 1.6GHz 1GB RAM 141,994 122,685 132,339

Linux Debian 2.4 SMP
2xAMD XP1900+ 1.6GHz 1GB RAM 139,367 116,708 128,037

FreeBSD 4.9-RELEASE
1xP4 2.88GHz 1Gb RAM 102,425 131,764 117,094

Linux 2.4.18-3smp (RH 7.3)
2xAMD Athlon 2200+ 1.8GHz 2GB DDR RAM 115,926 117,584 116,755

FreeBSD 4.5-RELEASE
2xPIII 1.4GHz 2Gb PC133 RAM 144,840 85,716 115,278

FreeBSD 4.5-RELEASE
2xAMD XP1800+ 1.5GHz 512Mb RAM 135,120 91,720 113,420

FreeBSD 4.4-RELEASE
2xAMD XP1600+ 1.4GHz 1GB RAM 122,898 93,403 108,150

FreeBSD 4.4-STABLE
2xAMD XP1600+ 1.33GHz 512MB RAM 121,954 89,794 105,874

Linux 2.4.2 egcs-2.91.66 (RH 6.2)
SuperMicro SuperServer 6010L
2xPIII 1GHz 1GB RAM 122,607 87,271 104,939

Digital Unix v.4.0F (Rev. 1229)
Compaq AlphaServer ES40
4xAlpha EV6.7 (21264A) 667MHz 2GB RAM 107,510 101,679 104,594

FreeBSD 5.1-RELEASE
1xP4 2.6GHz 512MB RAM 97,764 110,179 103,971

Dell PoweEdge Rack
Linux 2.4.20
1xIntel Xeon 2.4GHz 1Gb RAM 86,180 121,317 103,748

SuperMicro 6011L 1U Server
Linux 2.4.7-10smp
2xPIII 1.26GHz 1GB RAM 89,326 117,618 103,472

Dell l550 1U Server
Linux 2.4.7-10smp
2xPIII 1.26GHz 1Gb RAM 89,074 113,033 101,053

Linux 2.4.2 egcs-2.95.2 (RH 7.0)
SuperMicro SuperServer 6010L
2xPIII 1GHz 2GB RAM 115,830 85,229 100,529

FreeBSD 4.4-PRERELEASE
2xPIII 1GHz 1.5Gb RAM 112,037 81,088 96,562

FreeBSD 4.4-PRERELEASE
2xPIII Xeon 1GHz 256 MB ECC RAM 109,706 79,116 94,411

FreeBSD 4.4-RELEASE
2xPIII Xeon 1GHz 512 MB RAM 108,740 79,752 94,246

Gentoo Linux 1.2
1xP4 2.26GHz 512Mb RAM 90,098 94,978 92,538

FreeBSD 4.2-RELEASE
2xPIII 933 MHz 512 MB RAM 105,588 78,278 91,933

Linux 2.4.19
1xAMD AthlonXP 1800+ 1.5GHz
512Mb DDR RAM 78,911 99,527 89,219

FreeBSD 5.1
1xP4 2.4GHz 512Mb RAM 75,141 98,215 86,678

HP 9000/800/N4000-36
HP-UX B.11.00 64-bit
6 CPUs, 360Mhz, 6Gb RAM 57,546 113,523 85,534

Debian Linux 2.4.18
1xAMD Athlon XP 2200+ 1.8GHz
512Mb DDR-2700 RAM 81,478 88,679 85,078

SuSE 6.4 Linux
2xPIII 733 MHz 384 MB RAM 92,272 75,752 84,012

FreeBSD 4.6-RC
2xPIII 1GHz 1Gb RAM 107,635 60,240 83,937

Linux 2.6.5
AMD Athlon XP 2800+ 2.25GHz 68,735 94,589 81,662

FreeBSD 4.2-STABLE
2xPIII 850 MHz 2GB RAM 95,518 60,194 77,856

FreeBSD 4.5-RC
2xPIII 850 MHz 1GB RAM 96,156 58,845 77,500

SunOS 5.8 Generic i86pc
2xPIII 700 MHz 1Gb RAM 85,395 67,652 76,523

Linux 2.2.14 (Slackware 7.0)
2xPIII 700 MHz 512 MB RAM 85,463 66,528 75,995

FreeBSD 5.3-RELEASE
1xP4 2.8GHz MHz 490 MB RAM 77,112 73,737 75,424

IBM RS/6000 J50, MCA-based
AIX 4.3.3.0 32-bit
6x604e PPC, 200MHz 3Gb RAM
IBM C 4.4 ubench compiled with
-O2 -qarch=604 -qtune=604 -q32 98,240 49,882 74,061

FreeBSD 4.2-STABLE
2xPIII 800MHz, 1Gb PC100 RAM 85,844 59,775 72,809

FreeBSD 4.6-STABLE
1xP4 2.2GHz 512Mb PC133 SDRAM 74,782 68,988 71,885

FreeBSD 6.1-STABLE
Intel Celeron 2.93GHz 985Mb RAM 71,212 71,117 71,164

MacOS X, Darwin kernel v.5.4
Apple PowerMac G4
2x7400PPC 450MHz 640Mb RAM 57,192 84,687 70,939

Linux 2.4.5 (Slackware 8.0)
1xAMD Athlon 1.2GHz 512MB PC2100 RAM 58,359 79,203 68,781

FreeBSD 4.7-STABLE
1xAMD XP1800+ 512Mb PC2100 RAM 67,358 68,919 68,138

SuperMicro 5012BE 1U Server
Linux 2.4.7-10
1xP4 1.8GHz 512Mb RAM 59,609 72,663 66,136

Linux 2.4.19
1xAthlon XP1600 1.4GHz 512Mb RAM 62,192 69,526 65,859

FreeBSD 4.1-RC3
2xPIII 700 MHz 1Gb RAM 75,303 51,770 63,536

FreeBSD 4.9
AMD Athlon 1.4GHz 1Gb RAM 60,981 59,389 60,185

Sun Enterprise E4500/E5500
6xUltraSPARC-II 336MHz 4Mb cache,
System clock 84MHz, 6Gb RAM,
SunOS 5.7 64-bit, 32-bit C compiler
59,082 60,055 59,568

FreeBSD 4.7-RELEASE
1x1.4GHz Athlon Thunderbird
1.5Gb PC133 RAM 57,441 54,591 56,016

FreeBSD 4.7-STABLE
1xAMD Duron 1300 512Mb PC2100 RAM 55,144 55,828 55,486

FreeBSD 4.1
2xPIII 750MHz, 384Mb PC-100 RAM
Intel L440GX+ Lancewood MOB 68,114 41,811 54,962

OpenBSD 3.4
1xPIII 1.14GHz, 768Mb RAM 56,910 52,438 54,674

Linux-2.2.14-5 (RH 6.2)
2xPIII 500MHz, 128Mb RAM 60,371 47,664 54,017

Linux 2.4.2-2 (RH)
1xAMD Athlon TB 1000@1270MHz 256Mb 39,705 67,729 53,717

IBM RS/6000 J50, MCA-based
AIX 4.2.1.0 32-bit
6x604e PPC, 200MHz 3Gb RAM
IBM C 3.1.4 ubench compiled with -O2 59,423 45,408 52,415

OpenBSD 3.4
1xP4 1.6GHz, 768Mb PC2100 RAM 44,583 59,404 51,993

Linux-2.2.13 (RH 6.1)
2xPIII 450MHz, 256Mb RAM 56,452 47,080 51,766

Linux 2.5.13 gcc-3.1 glibc-2.2.5
PIII 870MHz 392Mb PC-133 SRAM
Asus CUSL2 MOB 145MHz FSB 51,506 51,200 51,353

FreeBSD 4.1
2xPIII Xeon 500MHz 512Mb RAM 56,303 42,139 49,221

FreeBSD 4.7-RELEASE
1xAMD Duron 1.1GHz 256Mb PC2100 RAM 47,617 48,098 47,857

Linux 2.4.4 Suse 7.2
PIII 933MHz 512Mb PC133 RAM 53,310 41,679 47,494

FreeBSD 4.5-STABLE
1xCeleron 1.2GHz 128Mb RAM 56,656 33,778 45,217

FreeBSD 4.1.1-RELEASE
2xPII 450MHz 192Mb RAM 50,508 38,847 44,677

Linux 2.4.0 gcc-2.95.2 glibc-2.2.1
PIII 870MHz 392Mb PC-133 SRAM
Asus CUSL2 MOB 145MHz FSB 49,355 39,871 44,613

Linux 2.4.5-acl3
PIII 804MHz 384Mb PC-133 SRAM 50,094 39,071 44,582

FreeBSD 4.2-STABLE
Athlon (Thunderbird) 1GHz
GA-72X MOB, 384 PC100 RAM 44,114 44,277 44,195

Linux 2.4.18 (Slackware 8.1)
2xPII 450MHz 1Gb RAM 46,159 41,887 44,023

Linux 2.2.16 (RH 6.2)
PIII 800E 512Mb PC-100 RAM 47,698 34,695 41,196

FreeBSD 4.2-RELEASE
PIII 800EB 256Mb PC-133 SDRAM
Intel DB815EEA MOB 45,071 34,713 39,892

Linux 2.2.17
PIII 750MHz 128Mb PC-100 RAM
Abit BE6-II MOB 45,476 33,375 39,425

FreeBSD 4.3-RELEASE
2 x Celeron 400MHz 128Mb RAM 45,266 33,006 39,136

FreeBSD 4.1.1-RELEASE
PIII 800MHz 256Mb RAM 43,567 32,446 38,006

FreeBSD 4.4-STABLE
PIII Xeon 797MHz 512Mb 44,680 30,024 37,352

Linux 2.3.99-pre9 gcc-2.95.2
PIII 653MHz 256Mb PC-133 SRAM
Abit BE6-II MOB 144MHz FSB 41,023 33,443 37,233

FreeBSD 4.2-RELEASE
AMD K7 800MHz, 128Mb RAM
ASUS A7V MOB 200MHz FSB 35,330 38,949 37,139

FreeBSD 4.9, gcc 2.95.4
PIII 977MHz, 1Gb RAM 37,251 36,323 36,787

HP 9000/800/K580
HP-UX B.11.00 64-bit
4 CPUs, 240Mhz, 4Gb RAM 26,482 46,082 36,282

Sun Enterprise 450
4xUltraSPARC-II 296MHz 2Mb cache,
System clock 99MHz, 1.5Gb RAM,
SunOS 5.7 64-bit, 32-bit C compiler
34,158 36,099 35,128

Linux Slackware 8.0 (2.4.5)
1xAMD Duron 750MHz 128 Mb RAM 33,071 36,995 35,033

MacOS X, Darwin kernel v.5.4
Apple PowerBook G4
1x7450PPC 667MHz 512 MB RAM 35,600 33,014 34,307

FreeBSD 4.4-RELEASE
2xCeleron 333MHz 256 MB RAM 36,972 28,587 32,779

HP Omnibook XE2
Linux 2.2.16 egcs-2.91.66
Celeron 550MHz 128Mb RAM 33,372 30,680 32,026

Win2000 SP2 Cygwin 1.3.6
gcc 2.95.3-5
PIII 640MHz 256Mb RAM 32,031 31,499 31,765

MacOS X 10.1.2 Darwin kernel v.5.2
Apple iBook 500Mhz G3 384Mb RAM 31,289 26,411 28,850

Linux 2.4.7 - Debian
1xAMD Athlon 700MHz 25,834 31,323 28,578

Linux 2.2.13-7mdk
1xPIII 500MHz 128Mb RAM 30,016 26,995 28,505

FreeBSD 4.4-RELEASE
2xCeleron 300MHz 256 MB RAM 31,210 25,237 28,223

Linux 2.2.19 (Slackware 8.0)
Celeron 533MHz 128MB RAM 30,644 25,786 28,215

Linux 2.2.14-5.0
Pentium III 450@504MHz 256Mb RAM 29,113 27,223 28,168

FreeBSD 4.1
Pentium III Xeon 500MHz 512Mb RAM 28,231 24,427 26,329

Linux 2.2.12-20
Pentium II 450MHz 256Mb RAM 27,590 25,032 26,311

FreeBSD 4.0
Celeron@501MHz, 128K L2, 64Mb RAM 27,711 23,903 25,807

Linux 2.2.14-6
gcc 2.95.2, glibc 2.1.2-18
Pentium III 450MHz 320Mb RAM 28,194 23,328 25,761

Linux 2.2.15, gcc 2.95.3
1xIntel Celeron 333@416MHz
32/128Kb cache, 192Mb RAM 26,234 25,040 25,637

FreeBSD 4.1-RELEASE
PIII 500MHz, 256Mb RAM, 256Kb L2 27,244 23,390 25,317

FreeBSD 4.6.2-RELEASE
Intel Celeron 366@458MHz 192Mb PC66 SDRAM 25,324 20,292 22,808

HP 9000/898/K370
HP-UX B.11.00 64-bit
4 CPUs, 200MHz, 4Gb RAM 21,270 24,233 22,751

FreeBSD 4.1
Pentium III 600MHz 256Kb L2 64Mb RAM 26,988 18,478 22,733

FreeBSD 4.0-RELEASE
AMD-K6-2/550 128Mb RAM 512Kb L2 27,561 17,412 22,486

Linux 2.2.14
egcc 2.91.66, glibc 2.1.3
1xIntel Celeron, 433MHz 64Mb RAM 26,365 17,208 21,786

FreeBSD 4.6-RELEASE
Compaq ProLiant 800
2xPPro 200MHz 256kb 160Mb 22,271 18,013 20,142

Linux-2.2.15pre17 (RH 6.1)
1xK6-2 450MHz 64Mb RAM 22,828 16,088 19,458

Linux 2.2.14
egcc 2.91.66, glibc 2.1.3
1xAMD K6, 450MHz 64Mb RAM 24,140 14,232 19,186

Linux 2.2.12-20 (RH 6.1)
Pentium II 350MHz 64Mb RAM 20,969 17,302 19,135

Linux-2.2.13 gcc-2.91.66 glibc-2.1.1
Pentium II 233@290MHz 96Mb RAM 17,548 19,630 18,589

Linux-2.2.14-5 (RH 6.2)
IBM Thinkpad 600
300MHz, 192Mb RAM 18,187 16,528 17,357

Win98 Cygwin 1.3.6
Dell Latitude CPi
gcc 2.95.3-5
PII 366MHz 64Mb RAM 17,385 14,959 16,172

Linux 2.2.16
1xK6-2 350MHz 64Mb RAM 19,049 13,192 16,120

Apple 9500/180MP, NetBSD 1.6ZK
2x604e 180MHz, 192Mb RAM 18,774 10,626 14,700

FreeBSD 3.4
1xK6-2 350MHz 128Mb RAM 14,912 12,210 13,561

Linux 2.2.17-21mdk
PII 233MHz 14,377 12,046 13,211

FreeBSD 4.7
PII 300MHz 256Mb 13,637 12,450 13,043

RedHat 8.0 Psyche Linux 2.4.18-14
VIA Eden 5000 mini-ITX 533MHz 256Mb RAM 8,036 14,343 11,189

Linux 2.2.14-15mdk
K6-200MHz, 64Mb RAM 11,370 10,154 10,762

OpenBSD 2.8
PII 266MHz, 128Mb RAM 11,579 8,318 9,948

IBM RS/6000 E30, PCI-based
AIX 4.2.1.0 32-bit
1x604e PPC, 200MHz 256Mb RAM 8,025 10,428 9,226

FreeBSD 5.0-CURRENT
UltraSPARC64 360MHz 512Mb 9,307 8,309 8,808

AMD K6-300 233Mhz, 64M RAM
Linux 2.2.14-5 (RH 6.2) 8,705 8,112 8,408

Pentium Pro 180Mhz, 96M RAM
Linux 2.2.5 (SuSE 6.1) 6,066 10,314 8,190

FreeBSD 4.6.2-RELEASE
Cyrix PR-200 166MHz 96Mb PC66 SDRAM 7,098 7,298 7,198

Pentium 166Mhz, 64M RAM
Linux 2.2.5-15, egcc 1.1.2 6,490 6,752 6,621

SGI Octane, IRIX 6.5.17m
R10000 195MHz, 512Mb RAM 7,689 5,537 6,613

FreeBSD 5.0-CURRENT
Pentium 260MHz 192 MB RAM 9,473 3,513 6,493

Pentium 166MHz 64M RAM
Linux 2.2.14-5.0 (RH 6.2)
egcc 2.91.66 6,461 5,596 6,023

Olivetti SNX 160/RX
2 x Pentium 90MHz 40Mb RAM
FreeBSD 4.3-RELEASE with SMP 7,388 4,016 5,702

FreeBSD 4.3-RELEASE
Pentium 120MHz 40M RAM
gcc 2.95.3 4,528 4,787 4,657

Linux 2.2.5-22 (RH 6.0)
Pentium 100 32Mb RAM
egcc 2.91.66 3,119 3,323 3,221

Pentium 75MHz 64M RAM
Linux 2.2.14-5.0 (RH 6.2)
egcc 2.91.66 2,734 3,237 2,985

i486DX2-66, 32M RAM
Linux 2.3.39, gcc 2.95.2
glibc-2.1.3 1,588 1,736 1,662

i486DX2-66, 32M RAM
Linux 2.3.99-pre5, gcc 2.95.2
glibc-2.1.3 1,590 1,720 1,655

i486DX2-66, 32M RAM
Linux 2.3.39, gcc 2.7.2.3
glibc-2.1.3 1,454 1,728 1,591

Sparc4/70 64M RAM
Linux 2.2.14-5.0 (RH 6.2)
egcc 2.91.66 1,325 1,742 1,533

SparcStation 1+, NetBSD 1.4.1
L64801 25MHz WTL3170/2 FPU 24Mb RAM 341 323 332

System Description	Ubench CPU	Ubench MEM	Ubench AVG
Compaq GS-160 "Wildfire" Tru64 Unix 5.1 16xAlpha-EV67 731Mhz 32Gb RAM	926,962	629,974	778,468
HP 9000/800/SD32000 "Superdome" HP-UX B.11.11 64-bit 16x750Mhz PA-RISK 8700, 64Gb RAM	342,297	1,035,083	688,690
Fujitsu PrimePower 650 SunOS 5.9 8xSPARC64 1.35GHz 16Gb RAM	328,298	764,175	546,236
Sun Enterprise 10000 SunOS 5.7 56x400Mhz, 56Gb RAM	470,177	374,158	422,167
IBM RS/6000 S80 AIX 4.3.3 64-bit 24x450Mhz RS64 III, 32Gb RAM	436,302	353,864	395,083
Sun Fire E2900, SunOS 5.9 8 x 1.2GHz, 32Gb RAM	412,763	324,492	368,627
HP 9000/800/SD32000 "Superdome" HP-UX B.11.11 64-bit 8x750Mhz PA-RISK 8700, 32Gb RAM	172,719	542,522	357,620
MacBook Pro3,1 Intel Core 2 Duo 2.2GHz, 4Mb L2, 2Gb RAM	445,754	214,018	329,886
Linux Debian 3.0 2.4.20 kernel 2xXeon 3.06GHz 2Gb RAM	261,632	223,161	242,396
Sun Fire V1280, SunOS 5.9 8 x 900MHz, 16Gb RAM	156,692	308,251	232,471
Linux 2.4.19-SMP 2xOpteron 242 1.6HGz 4Gb RAM	173,733	249,017	211,375
Solaris 9 x86 12/02 2xIntel Xeon-DP 2.4GHz 2Gb RAM	192,562	178,511	185,536
RedHat 7.3 2.4.20 kernel 2xIntel Xeon-DP 2.4GHz 1Gb RAM	167,484	196,504	181,994
Dell PowerEdge 1750 RedHat9, 2.4.20-8smp 2xIntel Xeon 2.4HGz, 2Gb RAM	175,459	174,144	174,801
HP ProLiant DL380 G3 Linux 2.4.20-18.7smp 2xXeon 2.8HGz, 512Mb RAM	202,239	142,563	172,401
Mandrake 8.2 Linux 2.4.18 2xAMD MP 2400+ 2GHz 512Mb RAM	183,295	158,797	171,046
Linux 2.4.23 2xAthlon MP 2400+ 3.5Gb RAM	199,249	137,034	168,141
RedHat 7.3 Linux 2.4.18 2xXeon 2.2GHz 2Gb RAM	177,833	157,239	167,536
HP 9000/800/N4000-55 HP-UX B.11.00 64-bit 8x550Mhz PA-RISK 8600, 10Gb RAM	117,322	214,176	165,749
FreeBSD 5.2.1-RELEASE 2xOpteron 244 1.8HGz, 1Gb PC3200 RAM	171,109	155,767	163,438
Linux Gentoo 2.6.2 2xAthlon MP 2000+ 1.8HGz, 1Gb RAM	177,187	149,499	163,343
PowerMac, Darwin Kernel 6.8 2xG4 PPC 1.25GHz 768Mb RAM	152,094	151,369	151,731
FreeBSD 4.10-BETA 2xIntel Xeon 2.4GHz 512kB L2 4Gb RAM	160,312	139,948	150,130
FreeBSD 4.7 2xIntel Xeon 2.4GHz 512kB L2 512Mb RDRAM	163,207	132,191	147,699
Linux 2.4.19-1 2xAMD MP1900+ 1.6GHz 1GB RAM	141,994	122,685	132,339
Linux Debian 2.4 SMP 2xAMD XP1900+ 1.6GHz 1GB RAM	139,367	116,708	128,037
FreeBSD 4.9-RELEASE 1xP4 2.88GHz 1Gb RAM	102,425	131,764	117,094
Linux 2.4.18-3smp (RH 7.3) 2xAMD Athlon 2200+ 1.8GHz 2GB DDR RAM	115,926	117,584	116,755
FreeBSD 4.5-RELEASE 2xPIII 1.4GHz 2Gb PC133 RAM	144,840	85,716	115,278
FreeBSD 4.5-RELEASE 2xAMD XP1800+ 1.5GHz 512Mb RAM	135,120	91,720	113,420
FreeBSD 4.4-RELEASE 2xAMD XP1600+ 1.4GHz 1GB RAM	122,898	93,403	108,150
FreeBSD 4.4-STABLE 2xAMD XP1600+ 1.33GHz 512MB RAM	121,954	89,794	105,874
Linux 2.4.2 egcs-2.91.66 (RH 6.2) SuperMicro SuperServer 6010L 2xPIII 1GHz 1GB RAM	122,607	87,271	104,939
Digital Unix v.4.0F (Rev. 1229) Compaq AlphaServer ES40 4xAlpha EV6.7 (21264A) 667MHz 2GB RAM	107,510	101,679	104,594
FreeBSD 5.1-RELEASE 1xP4 2.6GHz 512MB RAM	97,764	110,179	103,971
Dell PoweEdge Rack Linux 2.4.20 1xIntel Xeon 2.4GHz 1Gb RAM	86,180	121,317	103,748
SuperMicro 6011L 1U Server Linux 2.4.7-10smp 2xPIII 1.26GHz 1GB RAM	89,326	117,618	103,472
Dell l550 1U Server Linux 2.4.7-10smp 2xPIII 1.26GHz 1Gb RAM	89,074	113,033	101,053
Linux 2.4.2 egcs-2.95.2 (RH 7.0) SuperMicro SuperServer 6010L 2xPIII 1GHz 2GB RAM	115,830	85,229	100,529
FreeBSD 4.4-PRERELEASE 2xPIII 1GHz 1.5Gb RAM	112,037	81,088	96,562
FreeBSD 4.4-PRERELEASE 2xPIII Xeon 1GHz 256 MB ECC RAM	109,706	79,116	94,411
FreeBSD 4.4-RELEASE 2xPIII Xeon 1GHz 512 MB RAM	108,740	79,752	94,246
Gentoo Linux 1.2 1xP4 2.26GHz 512Mb RAM	90,098	94,978	92,538
FreeBSD 4.2-RELEASE 2xPIII 933 MHz 512 MB RAM	105,588	78,278	91,933
Linux 2.4.19 1xAMD AthlonXP 1800+ 1.5GHz 512Mb DDR RAM	78,911	99,527	89,219
FreeBSD 5.1 1xP4 2.4GHz 512Mb RAM	75,141	98,215	86,678
HP 9000/800/N4000-36 HP-UX B.11.00 64-bit 6 CPUs, 360Mhz, 6Gb RAM	57,546	113,523	85,534
Debian Linux 2.4.18 1xAMD Athlon XP 2200+ 1.8GHz 512Mb DDR-2700 RAM	81,478	88,679	85,078
SuSE 6.4 Linux 2xPIII 733 MHz 384 MB RAM	92,272	75,752	84,012
FreeBSD 4.6-RC 2xPIII 1GHz 1Gb RAM	107,635	60,240	83,937
Linux 2.6.5 AMD Athlon XP 2800+ 2.25GHz	68,735	94,589	81,662
FreeBSD 4.2-STABLE 2xPIII 850 MHz 2GB RAM	95,518	60,194	77,856
FreeBSD 4.5-RC 2xPIII 850 MHz 1GB RAM	96,156	58,845	77,500
SunOS 5.8 Generic i86pc 2xPIII 700 MHz 1Gb RAM	85,395	67,652	76,523
Linux 2.2.14 (Slackware 7.0) 2xPIII 700 MHz 512 MB RAM	85,463	66,528	75,995
FreeBSD 5.3-RELEASE 1xP4 2.8GHz MHz 490 MB RAM	77,112	73,737	75,424
IBM RS/6000 J50, MCA-based AIX 4.3.3.0 32-bit 6x604e PPC, 200MHz 3Gb RAM IBM C 4.4 ubench compiled with -O2 -qarch=604 -qtune=604 -q32	98,240	49,882	74,061
FreeBSD 4.2-STABLE 2xPIII 800MHz, 1Gb PC100 RAM	85,844	59,775	72,809
FreeBSD 4.6-STABLE 1xP4 2.2GHz 512Mb PC133 SDRAM	74,782	68,988	71,885
FreeBSD 6.1-STABLE Intel Celeron 2.93GHz 985Mb RAM	71,212	71,117	71,164
MacOS X, Darwin kernel v.5.4 Apple PowerMac G4 2x7400PPC 450MHz 640Mb RAM	57,192	84,687	70,939
Linux 2.4.5 (Slackware 8.0) 1xAMD Athlon 1.2GHz 512MB PC2100 RAM	58,359	79,203	68,781
FreeBSD 4.7-STABLE 1xAMD XP1800+ 512Mb PC2100 RAM	67,358	68,919	68,138
SuperMicro 5012BE 1U Server Linux 2.4.7-10 1xP4 1.8GHz 512Mb RAM	59,609	72,663	66,136
Linux 2.4.19 1xAthlon XP1600 1.4GHz 512Mb RAM	62,192	69,526	65,859
FreeBSD 4.1-RC3 2xPIII 700 MHz 1Gb RAM	75,303	51,770	63,536
FreeBSD 4.9 AMD Athlon 1.4GHz 1Gb RAM	60,981	59,389	60,185
Sun Enterprise E4500/E5500 6xUltraSPARC-II 336MHz 4Mb cache, System clock 84MHz, 6Gb RAM, SunOS 5.7 64-bit, 32-bit C compiler	59,082	60,055	59,568
FreeBSD 4.7-RELEASE 1x1.4GHz Athlon Thunderbird 1.5Gb PC133 RAM	57,441	54,591	56,016
FreeBSD 4.7-STABLE 1xAMD Duron 1300 512Mb PC2100 RAM	55,144	55,828	55,486
FreeBSD 4.1 2xPIII 750MHz, 384Mb PC-100 RAM Intel L440GX+ Lancewood MOB	68,114	41,811	54,962
OpenBSD 3.4 1xPIII 1.14GHz, 768Mb RAM	56,910	52,438	54,674
Linux-2.2.14-5 (RH 6.2) 2xPIII 500MHz, 128Mb RAM	60,371	47,664	54,017
Linux 2.4.2-2 (RH) 1xAMD Athlon TB 1000@1270MHz 256Mb	39,705	67,729	53,717
IBM RS/6000 J50, MCA-based AIX 4.2.1.0 32-bit 6x604e PPC, 200MHz 3Gb RAM IBM C 3.1.4 ubench compiled with -O2	59,423	45,408	52,415
OpenBSD 3.4 1xP4 1.6GHz, 768Mb PC2100 RAM	44,583	59,404	51,993
Linux-2.2.13 (RH 6.1) 2xPIII 450MHz, 256Mb RAM	56,452	47,080	51,766
Linux 2.5.13 gcc-3.1 glibc-2.2.5 PIII 870MHz 392Mb PC-133 SRAM Asus CUSL2 MOB 145MHz FSB	51,506	51,200	51,353
FreeBSD 4.1 2xPIII Xeon 500MHz 512Mb RAM	56,303	42,139	49,221
FreeBSD 4.7-RELEASE 1xAMD Duron 1.1GHz 256Mb PC2100 RAM	47,617	48,098	47,857
Linux 2.4.4 Suse 7.2 PIII 933MHz 512Mb PC133 RAM	53,310	41,679	47,494
FreeBSD 4.5-STABLE 1xCeleron 1.2GHz 128Mb RAM	56,656	33,778	45,217
FreeBSD 4.1.1-RELEASE 2xPII 450MHz 192Mb RAM	50,508	38,847	44,677
Linux 2.4.0 gcc-2.95.2 glibc-2.2.1 PIII 870MHz 392Mb PC-133 SRAM Asus CUSL2 MOB 145MHz FSB	49,355	39,871	44,613
Linux 2.4.5-acl3 PIII 804MHz 384Mb PC-133 SRAM	50,094	39,071	44,582
FreeBSD 4.2-STABLE Athlon (Thunderbird) 1GHz GA-72X MOB, 384 PC100 RAM	44,114	44,277	44,195
Linux 2.4.18 (Slackware 8.1) 2xPII 450MHz 1Gb RAM	46,159	41,887	44,023
Linux 2.2.16 (RH 6.2) PIII 800E 512Mb PC-100 RAM	47,698	34,695	41,196
FreeBSD 4.2-RELEASE PIII 800EB 256Mb PC-133 SDRAM Intel DB815EEA MOB	45,071	34,713	39,892
Linux 2.2.17 PIII 750MHz 128Mb PC-100 RAM Abit BE6-II MOB	45,476	33,375	39,425
FreeBSD 4.3-RELEASE 2 x Celeron 400MHz 128Mb RAM	45,266	33,006	39,136
FreeBSD 4.1.1-RELEASE PIII 800MHz 256Mb RAM	43,567	32,446	38,006
FreeBSD 4.4-STABLE PIII Xeon 797MHz 512Mb	44,680	30,024	37,352
Linux 2.3.99-pre9 gcc-2.95.2 PIII 653MHz 256Mb PC-133 SRAM Abit BE6-II MOB 144MHz FSB	41,023	33,443	37,233
FreeBSD 4.2-RELEASE AMD K7 800MHz, 128Mb RAM ASUS A7V MOB 200MHz FSB	35,330	38,949	37,139
FreeBSD 4.9, gcc 2.95.4 PIII 977MHz, 1Gb RAM	37,251	36,323	36,787
HP 9000/800/K580 HP-UX B.11.00 64-bit 4 CPUs, 240Mhz, 4Gb RAM	26,482	46,082	36,282
Sun Enterprise 450 4xUltraSPARC-II 296MHz 2Mb cache, System clock 99MHz, 1.5Gb RAM, SunOS 5.7 64-bit, 32-bit C compiler	34,158	36,099	35,128
Linux Slackware 8.0 (2.4.5) 1xAMD Duron 750MHz 128 Mb RAM	33,071	36,995	35,033
MacOS X, Darwin kernel v.5.4 Apple PowerBook G4 1x7450PPC 667MHz 512 MB RAM	35,600	33,014	34,307
FreeBSD 4.4-RELEASE 2xCeleron 333MHz 256 MB RAM	36,972	28,587	32,779
HP Omnibook XE2 Linux 2.2.16 egcs-2.91.66 Celeron 550MHz 128Mb RAM	33,372	30,680	32,026
Win2000 SP2 Cygwin 1.3.6 gcc 2.95.3-5 PIII 640MHz 256Mb RAM	32,031	31,499	31,765
MacOS X 10.1.2 Darwin kernel v.5.2 Apple iBook 500Mhz G3 384Mb RAM	31,289	26,411	28,850
Linux 2.4.7 - Debian 1xAMD Athlon 700MHz	25,834	31,323	28,578
Linux 2.2.13-7mdk 1xPIII 500MHz 128Mb RAM	30,016	26,995	28,505
FreeBSD 4.4-RELEASE 2xCeleron 300MHz 256 MB RAM	31,210	25,237	28,223
Linux 2.2.19 (Slackware 8.0) Celeron 533MHz 128MB RAM	30,644	25,786	28,215
Linux 2.2.14-5.0 Pentium III 450@504MHz 256Mb RAM	29,113	27,223	28,168
FreeBSD 4.1 Pentium III Xeon 500MHz 512Mb RAM	28,231	24,427	26,329
Linux 2.2.12-20 Pentium II 450MHz 256Mb RAM	27,590	25,032	26,311
FreeBSD 4.0 Celeron@501MHz, 128K L2, 64Mb RAM	27,711	23,903	25,807
Linux 2.2.14-6 gcc 2.95.2, glibc 2.1.2-18 Pentium III 450MHz 320Mb RAM	28,194	23,328	25,761
Linux 2.2.15, gcc 2.95.3 1xIntel Celeron 333@416MHz 32/128Kb cache, 192Mb RAM	26,234	25,040	25,637
FreeBSD 4.1-RELEASE PIII 500MHz, 256Mb RAM, 256Kb L2	27,244	23,390	25,317
FreeBSD 4.6.2-RELEASE Intel Celeron 366@458MHz 192Mb PC66 SDRAM	25,324	20,292	22,808
HP 9000/898/K370 HP-UX B.11.00 64-bit 4 CPUs, 200MHz, 4Gb RAM	21,270	24,233	22,751
FreeBSD 4.1 Pentium III 600MHz 256Kb L2 64Mb RAM	26,988	18,478	22,733
FreeBSD 4.0-RELEASE AMD-K6-2/550 128Mb RAM 512Kb L2	27,561	17,412	22,486
Linux 2.2.14 egcc 2.91.66, glibc 2.1.3 1xIntel Celeron, 433MHz 64Mb RAM	26,365	17,208	21,786
FreeBSD 4.6-RELEASE Compaq ProLiant 800 2xPPro 200MHz 256kb 160Mb	22,271	18,013	20,142
Linux-2.2.15pre17 (RH 6.1) 1xK6-2 450MHz 64Mb RAM	22,828	16,088	19,458
Linux 2.2.14 egcc 2.91.66, glibc 2.1.3 1xAMD K6, 450MHz 64Mb RAM	24,140	14,232	19,186
Linux 2.2.12-20 (RH 6.1) Pentium II 350MHz 64Mb RAM	20,969	17,302	19,135
Linux-2.2.13 gcc-2.91.66 glibc-2.1.1 Pentium II 233@290MHz 96Mb RAM	17,548	19,630	18,589
Linux-2.2.14-5 (RH 6.2) IBM Thinkpad 600 300MHz, 192Mb RAM	18,187	16,528	17,357
Win98 Cygwin 1.3.6 Dell Latitude CPi gcc 2.95.3-5 PII 366MHz 64Mb RAM	17,385	14,959	16,172
Linux 2.2.16 1xK6-2 350MHz 64Mb RAM	19,049	13,192	16,120
Apple 9500/180MP, NetBSD 1.6ZK 2x604e 180MHz, 192Mb RAM	18,774	10,626	14,700
FreeBSD 3.4 1xK6-2 350MHz 128Mb RAM	14,912	12,210	13,561
Linux 2.2.17-21mdk PII 233MHz	14,377	12,046	13,211
FreeBSD 4.7 PII 300MHz 256Mb	13,637	12,450	13,043
RedHat 8.0 Psyche Linux 2.4.18-14 VIA Eden 5000 mini-ITX 533MHz 256Mb RAM	8,036	14,343	11,189
Linux 2.2.14-15mdk K6-200MHz, 64Mb RAM	11,370	10,154	10,762
OpenBSD 2.8 PII 266MHz, 128Mb RAM	11,579	8,318	9,948
IBM RS/6000 E30, PCI-based AIX 4.2.1.0 32-bit 1x604e PPC, 200MHz 256Mb RAM	8,025	10,428	9,226
FreeBSD 5.0-CURRENT UltraSPARC64 360MHz 512Mb	9,307	8,309	8,808
AMD K6-300 233Mhz, 64M RAM Linux 2.2.14-5 (RH 6.2)	8,705	8,112	8,408
Pentium Pro 180Mhz, 96M RAM Linux 2.2.5 (SuSE 6.1)	6,066	10,314	8,190
FreeBSD 4.6.2-RELEASE Cyrix PR-200 166MHz 96Mb PC66 SDRAM	7,098	7,298	7,198
Pentium 166Mhz, 64M RAM Linux 2.2.5-15, egcc 1.1.2	6,490	6,752	6,621
SGI Octane, IRIX 6.5.17m R10000 195MHz, 512Mb RAM	7,689	5,537	6,613
FreeBSD 5.0-CURRENT Pentium 260MHz 192 MB RAM	9,473	3,513	6,493
Pentium 166MHz 64M RAM Linux 2.2.14-5.0 (RH 6.2) egcc 2.91.66	6,461	5,596	6,023
Olivetti SNX 160/RX 2 x Pentium 90MHz 40Mb RAM FreeBSD 4.3-RELEASE with SMP	7,388	4,016	5,702
FreeBSD 4.3-RELEASE Pentium 120MHz 40M RAM gcc 2.95.3	4,528	4,787	4,657
Linux 2.2.5-22 (RH 6.0) Pentium 100 32Mb RAM egcc 2.91.66	3,119	3,323	3,221
Pentium 75MHz 64M RAM Linux 2.2.14-5.0 (RH 6.2) egcc 2.91.66	2,734	3,237	2,985
i486DX2-66, 32M RAM Linux 2.3.39, gcc 2.95.2 glibc-2.1.3	1,588	1,736	1,662
i486DX2-66, 32M RAM Linux 2.3.99-pre5, gcc 2.95.2 glibc-2.1.3	1,590	1,720	1,655
i486DX2-66, 32M RAM Linux 2.3.39, gcc 2.7.2.3 glibc-2.1.3	1,454	1,728	1,591
Sparc4/70 64M RAM Linux 2.2.14-5.0 (RH 6.2) egcc 2.91.66	1,325	1,742	1,533
SparcStation 1+, NetBSD 1.4.1 L64801 25MHz WTL3170/2 FPU 24Mb RAM	341	323	332

Ubench is available for download at https://phystech.com/download

If you're interested in contributing to the list of benchmarks, run ubench on your system and email the results to <phystech@hotmail.com> with description of the system (OS version, hardware model, number of CPUs, CPU clock frequency, size of L1 and L2 cache, amount of RAM).

Please make sure you compile ubench using only -O2 or -O optimization flags. More aggressive optimizations tend to alter the semantics of the code and skew the results.