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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).

Report the "real" value, not "sys".

1360    PC (mtl)
        Intel Core i7-7700(kaby lake) 3.6GHz(4GHz turbo) running Linux 5.4.38-1 x86-64
0.34s   gcc-9.3.0 -O3 -march=skylake -mtune=skylake -funroll-loops -funswitch-loops -funsafe-math-optimizations
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