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Easier to maintain here, so:

Some results of "rocket 0.00001 159.0":

See gcc --target-help for some system specific flags.

Note that this program wasn't really intended to be a benchmark, but it's a typical piece of code that seems CPU bound enough to provide a good idea of what the CPU (or, more to the point, the FPU) can really do. If it reports a final altitude of 0.00m, you're doing it wrong. You should get something like 112317.72m.

Report a normalized value of your best result as well (clockrate * seconds).

By historical accident, this data is mostly the "real" not "sys" time. We're too lazy to go back and replicate all the results so please continue to report the "real" value.

1750    PC (arachnotron after replacing the guts spring 2012; plan9)
        Intel Core i7 3770K 3.5GHz running Linux 3.2.0 x86-64
0.50s   gcc-4.6.3 -O3 -fomit-frame-pointer -finline -mtune=corei7 -funroll-loops
2397    Sun Ultra 24 (Vagabond)
        Intel Core2 Duo E8600 3.33gHz running Solaris 10 10/08 i386
0.72s   gcc-4.3.2 -O3 -funroll-loops -msse3 -fomit-frame-pointer -ffast-math -march=i686
0.87s   gcc-3.4.6 (pkgsrc) -O3 -funroll-loops -msse3 -fomit-frame-pointer -ffast-math -march=i686
1.29s   gcc-3.4.3 (sun freeware) -O3 -funroll-loops -msse3 -fomit-frame-pointer -ffast-math
2207    PC (mtl)
        Intel Core i7 920 2.66Gz running Linux 3.3.4-2  64bit
0.83s   gcc-4.7.0 -Os -fomit-frame-pointer -finline -mtune=corei7 -funroll-loops -funswitch-loops -ffast-math -msse3 -mmmx -fgcse-after-reload
2763    PC (SanityInFlux)
        AMD Phenom II 940 overclocked to 3.33gHz running Linux 2.6.28
0.83s   gcc-4.1.2 -march=i686 -O3 -msse3 -funroll-loops -funsafe-math-optimizations -mfpmath=sse
2234    PC (dragon_cz)
        Intel Core2Duo E8200 2.66 GHz running Linux 2.6.24-23 64bit
0.84    gcc-4.1 -O3 -funroll-loops -msse3 -fomit-frame-pointer -ffast-math -mtune=nocona
0.87    icc-11.0 -fast -xSSE3 -msse3 -fp-model fast=2 -fp-speculation=fast
2250    IBM ThinkPad X200s (dragon_cz)
        Intel Core2Duo SL9400 @ 1.86GHz
1.21s   gcc-4.3.3 -O3 -funroll-loops -msse3 -fomit-frame-pointer -ffast-math
        PC (arachnotron; plan9)
        AMD64 X2 4200+ running Linux 2.6.22-14-generic 32 bit
1.37s   gcc -O3 -funroll-loops -mmmx -msse -msse2 -msse3 -fomit-frame-pointer -ffast-math
1.55s   icc -fp-model fast=2 -msse2 -O3 -funroll-loops
        PC (ghostn9e)
        Intel Q6600 running Linux 2.6.24
1.38s   gcc -O3 -funroll-loops -mmmx -msse -msse2 -msse3 -fomit-frame-pointer -funsafe-math-optimizations
3132    PC (dragon_cz)
        AthlonXP 2500+ 1.8GHz running Linux
1.74s   gcc-4.3.3 -O3 -funroll-loops -m3dnow -pipe -fomit-frame-pointer -ffast-math -march=athlon-xp
2.16s   gcc-4.1.2 -O3 -funroll-loops -m3dnow -pipe -fomit-frame-pointer -funsafe-math-optimizations
3536    PC (jontow)
        Intel Core2duo 1.6ghz running Linux 2.6.25-gentoo-r7 32-bit
2.21s   gcc-4.1.2 -O3 -pipe -funroll-loops -funsafe-math-optimizations -march=i686 -finline -msse2
4.33s   gcc-3.3.6 -O3 -pipe -funroll-loops -funsafe-math-optimizations -march=i686 -finline -msse2
3291    IBM RS/6000 IntelliStation POWER 275 (9114-275) (dragon_cz)
        POWER4 1.45GHz running AIX 64bit
2.27s   gcc-4.2.0 -O3 -mtune=power4 -mcpu=power4 -maltivec -mhard-float -mpowerpc64 -maix64 -funroll-loops
        -funsafe-math-optimizations -mmultiple -mmfcrf -lm -pipe
2.60s   xlc-10.1 -lm -qtune=pwr4 -Q -qunroll=yes -O3
3648    PC (fernandotcl)
        AMD Sempron(tm) Processor 2800+ @ 1.6GHz 2.6.24-16-generic 32-bit
2.28s   gcc -03 -finline -funroll-loops -mmmx -msse -msse2 -msse3
4272    Embedded via board
        Via nano 1.6ghz running FreeBSD 7.1
2.67s   gcc-4.2.1 -O3 -funroll-loops -msse3 -fomit-frame-pointer -ffast-math -march=nocona
3397    Dell Latitude X1 (dragon_cz)
        Intel Pentium M 1.1GHz ULV running Linux
3.069s  gcc-4.1.2 -O3 -funsafe-math-optimizations -funroll-loops -msse2 -fomit-frame-pointer -mfpmath=sse -m128bit-long-double -pipe
7800    Sun Fire x4100 (jontow)
        AMD Opteron(tm) 2216 (2 * dual-core 2.4GHz) 32 bit
3.25s   gcc -O3 -funroll-loops -mmmx -msse -msse2 -msse3 -funsafe-math-optimizations
3810    PC (SanityInFlux)
        Pentium III (Coppermine) 1gHz Linux
3.81s   gcc-4.1.2 -march=pentium3 -O3 -pipe -funroll-loops -funsafe-math-optimizations
5.34s   icc -fp-model fast=2
7.45s   sunstudio12/bin/cc -lm -fast -fstore
7.72s   gcc-3.3.6 -march=pentium3 -O3 -pipe -funroll-loops -finline -fomit-frame-pointer -lm
3950    HP C8000 (Vagabond)
        HP PA-RISC PA-8800 1Ghz (dual core) running HP-UX 11.11
3.95s   gcc 4.4.0 -march=2.0 -mfast-indirect-calls -mlinker-opt -O3 -funroll-loops -fomit-frame-pointer -ffast-math -mpa-risc-2-0 -mschedule=8000
3255    HP Visualize 9000 C3700 
        HP PA-RISC PA-8700 750Mhz running HP-UX 11.11
4.34s   gcc-4.2.3 -march=2.0 -mfast-indirect-calls -mlinker-opt -O3 -funroll-loops -fomit-frame-pointer -ffast-math
5.96s   cc +O3 +Oaggressive +Onolimit +Opipeline +Ovectorize +Ofastaccess +Onofltacc +Olibcalls +Oloop_unroll +Ostatic_prediction +Oprofile=use
3357    Asus Eee 701 (rob_ert)
        Intel Celeron-M ULV 900MHz clocked at 630MHz, running Linux 2.6.26-1 i686
5.33s   gcc-4.3.2 -O3 -funroll-loops -msse2 -fomit-frame-pointer -ffast-math -mtune=pentium4m
5500    Apple PowerBook G4 12" (Vagabond)
        Apple G4 1.0 GHz running MacOS X 10.4.11
5.5s    gcc -funroll-loops -mtune=powerpc -m32 -O3
2356    IBM RS/6000 44P-170 (plan9)
        POWER3 400 MHz running AIX 5.3 64 bit
5.89s   gcc -mtune=power3 -mcpu=power3 -O3 -funroll-loops -funsafe-math-optimizations -fomit-frame-pointer -mmultiple -mmfcrf
12924   Epia SN-18000g
        Via C7 1.8ghz
7.18s   gcc-4.2.3 -O3 -funroll-loops -msse3 -fomit-frame-pointer -ffast-math -march=nocona
8004    HP 9000 C3600 (mancubus; plan9)
        HP PA-8600 552 MHz running OpenBSD
 7.92s  gcc-4.2.1 -O3 -funroll-loops (OpenBSD 5.0)
14.5s   gcc-(2.95?) -march=2.0 -mpa-risc-2-0 -O3 -funroll-loops (OpenBSD 4.3)
6840    Weird rackmountable PC (jontow)
        Pentium 3/855 running FreeBSD 6.2
8.0s    gcc -O3 -mtune=i686 -funroll-loops -finline -mmmx -msse
5665    Dell PowerEdge somethingorother tower (jontow)
        Pentium 3/550mhz running FreeBSD 6.3
10.3s   gcc -O3 -mtune=i686 -funroll-loops -finline -mmmx -msse
5285    Digital Personal Workstation 500au (Vagabond)
        DEC Alpha EV56 500 MHz running NetBSD 4.0
10.57s  gcc -O3 -mcpu=ev56 -funroll-loops -mno-soft-float
4815    Sun Ultra 60 (plan9)
        Dual Sun UltraSPARC-IIi 450 MHz running Solaris 10
10.7s   suncc -m32 -O4 -fns -fsingle -fsimple=2 -xprofile=use:rocket3 -xlinkopt=2 -xautopar -xpagesize=8K
11.3s   suncc -m32 -O5 -Xc -xprofile=use:rocket3 -xlinkopt
13.4s   gcc -O3 -mcpu=ultrasparc -m64 -funroll-loops -mvis -mrelax
3240    SGI Octane (Vagabond)
        Dual MIPS R12000 300 MHz running IRIX64 6.5.29
10.8s   gcc ...
5080    Sun Ultra 30 (dragon_cz)
        Sun UltraSparc-IIi 400MHz running Solaris 10
12.7s   gcc-3.4.3 -mrelax -mhard-float -O3 -mvis -mcpu=ultrasparc -funroll-loops -fomit-frame-pointer
        -funsafe-math-optimizations -pipe
4555    Apple iMac G3 (revision D)
        PowerPC G3 333mhz running NetBSD 4.0.1
13.68   gcc-4.1.2 -O3 -funroll-loops -ffast-math -mcpu=G3 -mtune=G3
6210    Sun Ultra 80 (Vagabond)
        Quad Sun UltraSparc-IIi 450 MHz running Solaris 10
13.8s   gcc -funroll-loops -mcpu=ultrasparc -O3
4850    Cobalt Raq2 (SanityInFlux)
        MIPS RM5231 250 MHz running Linux
19.4s   gcc-4.1.2 -O2 -mips4 -mabi=32 -pipe -ffast-math -funroll-loops -funsafe-math-optimizations
8580    Sun Netra T1/105 (jontow)
        Sun UltraSPARC-IIi 440 MHz running OpenBSD 4.2 64 bit
19.5s   gcc -O3 -mcpu=v9 -mtune=ultrasparc -funroll-loops
8250    PC (stormblast) (plan9)
        Intel Pentium II 300 MHz running OpenBSD 3.9
27.5s   gcc -O3 -fomit-frame-pointer -funroll-loops -funsafe-math-optimizations -march=i686
8700    Sun Ultra 10 (jontow)
        Sun UltraSPARC-IIi 300 MHz running OpenBSD 4.2 64 bit
29.0s   gcc-3.3.5 -O3 -mcpu=v9 -mtune=ultrasparc -funroll-loops -funsafe-math-optimizations -finline
31.3s   gcc-3.3.5 -O3 -mcpu=v9 -mtune=ultrasparc -funroll-loops
9210    DEC Alphaserver 1000 5/300 (andrew)
        DEC Alpha ev56 300mhz running OpenBSD 4.1
30.7    gcc-3.3.5 -O3 -mcpu=ev56 -funroll-loops -mno-soft-float
5634    SGI Indy
        MIPS R5000 180 MHz running IRIX 6.5.22
31.3s   gcc-3.4.6 -O3 -mips4 -mtune=vr5000 -mhard-float -ffast-math -funroll-loops -funsafe-math-optimizations
38.4s   (MIPSpro 7.2.1)c89 -Ofast
7972    PC (SanityInFlux)
        Pentium 133mHz running Linux
59.94s  gcc-4.1.2 -march=i386 -O -funroll-loops -finline -ffast-math
65.17s  gcc-3.4.6 -march=pentium -O3 -pipe -funroll-loops -ffast-math
74.79s  (ICC 10.0 20070809)icc -fp-model fast=2 -fpic -align -no-complex-limited-range
102.94s (Sun C 5.9)cc -lm -fast -xarch=386 -fstore
4866    Sun SparcStation 10 (jontow)
        Sun Sun4m(??) 60 MHz running NetBSD 4.0
81.1s   gcc -funroll-loops -mcpu=v7 -O3
7280    HP 9000 712/80 (rob_ert)
        PA-7100SC PA-RISC 1.1c 80MHz running OpenBSD 4.6
1m 31s  gcc-3.3.5 -Wall -O3
11700   SGI Indy (dragon_cz)
        MIPS R4600 100MHz running IRIX 5.3
1m 57s  gcc-3.4.6 -mhard-float -O3
2m 7s   cc -mips2 -O3
18480   Sun SparcStation 5 (dragon_cz)
        Sun Sun4m 110mhz running OpenBSD 4.4
2m 48s  gcc -funroll-loops -mcpu=v7 -O3
8450    HP (Apollo) 9000/710
        PA-7000 1.1a 50 MHz running HP-UX 10.20
2m 49s  gcc -O3 -funroll-loops -fomit-frame-pointer (gcc 2.95.2)
20230   Sun SparcStation 5 (jontow)
        Sun Sun4m 70mhz running NetBSD 2.1
4m 49s  gcc -funroll-loops -mcpu=v7 -O3
21880   Sun SparcStation 2 (dragon_cz)
        Sun Sun4c 40 MHz running OpenBSD 4.8
9m 7s   gcc -funroll-loops -mcpu=v7 -O3
19140   NeXT NeXTStation Turbo Color (dragon_cz)
        Motorola M68040 33 MHz running NeXTStep 3.3
9m 40s  gcc-2.95.3 -O3 -ffast-math -m68040
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