Implementation notes: amd64, gcc16, crypto_hash/skein10241024

Computer: gcc16
Architecture: amd64
CPU ID: AuthenticAMD-00100f23-178bfbff
SUPERCOP version: 20171020
Operation: crypto_hash
Primitive: skein10241024
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
13537? ? ?? ? ?x64gcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer2017072120170718
13538? ? ?? ? ?x64gcc_-funroll-loops_-m64_-O_-fomit-frame-pointer2017072120170718
13539? ? ?? ? ?x64gcc_-funroll-loops_-O_-fomit-frame-pointer2017072120170718
13540? ? ?? ? ?x64gcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer2017072120170718
13545? ? ?? ? ?x64gcc_-m64_-march=nocona_-O_-fomit-frame-pointer2017072120170718
13546? ? ?? ? ?x64gcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer2017072120170718
13549? ? ?? ? ?x64gcc_-fno-schedule-insns_-O_-fomit-frame-pointer2017072120170718
13552? ? ?? ? ?x64gcc_-funroll-loops_-O2_-fomit-frame-pointer2017072120170718
13552? ? ?? ? ?x64gcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer2017072120170718
13555? ? ?? ? ?x64gcc_-m64_-march=nocona_-O3_-fomit-frame-pointer2017072120170718
13556? ? ?? ? ?x64gcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer2017072120170718
13557? ? ?? ? ?x64gcc_-march=nocona_-O3_-fomit-frame-pointer2017072120170718
13560? ? ?? ? ?x64gcc_-fno-schedule-insns_-O3_-fomit-frame-pointer2017072120170718
13563? ? ?? ? ?x64gcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer2017072120170718
13565? ? ?? ? ?x64gcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer2017072120170718
13568? ? ?? ? ?x64gcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer2017072120170718
13569? ? ?? ? ?x64gcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer2017072120170718
13569? ? ?? ? ?x64gcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer2017072120170718
13570? ? ?? ? ?x64gcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer2017072120170718
13572? ? ?? ? ?x64gcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer2017072120170718
13577? ? ?? ? ?x64gcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer2017072120170718
13578? ? ?? ? ?x64gcc_-m64_-march=barcelona_-O_-fomit-frame-pointer2017072120170718
13578? ? ?? ? ?x64gcc_-march=barcelona_-O_-fomit-frame-pointer2017072120170718
13578? ? ?? ? ?x64gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv2017072120170718
13579? ? ?? ? ?x64gcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer2017072120170718
13583? ? ?? ? ?x64gcc_-m64_-O2_-fomit-frame-pointer2017072120170718
13583? ? ?? ? ?x64gcc_-m64_-march=core2_-O3_-fomit-frame-pointer2017072120170718
13587? ? ?? ? ?x64gcc_-O2_-fomit-frame-pointer2017072120170718
13587? ? ?? ? ?x64gcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer2017072120170718
13588? ? ?? ? ?x64gcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer2017072120170718
13593? ? ?? ? ?x64gcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer2017072120170718
13595? ? ?? ? ?x64gcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer2017072120170718
13595? ? ?? ? ?x64gcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer2017072120170718
13596? ? ?? ? ?x64gcc_-march=k8_-O2_-fomit-frame-pointer2017072120170718
13596? ? ?? ? ?x64gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv2017072120170718
13598? ? ?? ? ?x64gcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer2017072120170718
13599? ? ?? ? ?x64gcc_-funroll-loops_-O3_-fomit-frame-pointer2017072120170718
13600? ? ?? ? ?x64gcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer2017072120170718
13601? ? ?? ? ?x64gcc_-m64_-march=core2_-O_-fomit-frame-pointer2017072120170718
13602? ? ?? ? ?x64gcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer2017072120170718
13602? ? ?? ? ?x64gcc_-m64_-march=k8_-O_-fomit-frame-pointer2017072120170718
13609? ? ?? ? ?x64gcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer2017072120170718
13610? ? ?? ? ?x64gcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer2017072120170718
13611? ? ?? ? ?x64gcc_-march=k8_-O3_-fomit-frame-pointer2017072120170718
13612? ? ?? ? ?x64gcc_-m64_-march=k8_-O2_-fomit-frame-pointer2017072120170718
13618? ? ?? ? ?x64cc2017072120170718
13619? ? ?? ? ?x64gcc2017072120170718
13633? ? ?? ? ?x64gcc_-march=barcelona_-O2_-fomit-frame-pointer2017072120170718
13637? ? ?? ? ?x64gcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer2017072120170718
13639? ? ?? ? ?x64gcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer2017072120170718
13650? ? ?? ? ?x64gcc_-funroll-loops2017072120170718
13653? ? ?? ? ?x64gcc_-m64_-O_-fomit-frame-pointer2017072120170718
13654? ? ?? ? ?x64gcc_-O_-fomit-frame-pointer2017072120170718
13661? ? ?? ? ?x64gcc_-march=nocona_-O_-fomit-frame-pointer2017072120170718
13663? ? ?? ? ?x64gcc_-m64_-march=k8_-O3_-fomit-frame-pointer2017072120170718
13666? ? ?? ? ?x64gcc_-fno-schedule-insns_-O2_-fomit-frame-pointer2017072120170718
13666? ? ?? ? ?x64gcc_-m64_-march=nocona_-O2_-fomit-frame-pointer2017072120170718
13666? ? ?? ? ?x64gcc_-march=nocona_-O2_-fomit-frame-pointer2017072120170718
13668? ? ?? ? ?x64gcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer2017072120170718
13668? ? ?? ? ?x64gcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer2017072120170718
13668? ? ?? ? ?x64gcc_-m64_-O3_-fomit-frame-pointer2017072120170718
13672? ? ?? ? ?x64gcc_-O3_-fomit-frame-pointer2017072120170718
13686? ? ?? ? ?x64gcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer2017072120170718
13687? ? ?? ? ?x64gcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer2017072120170718
13694? ? ?? ? ?x64gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv2017072120170718
13698? ? ?? ? ?x64gcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer2017072120170718
13701? ? ?? ? ?x64gcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer2017072120170718
13709? ? ?? ? ?x64gcc_-march=barcelona_-O3_-fomit-frame-pointer2017072120170718
13712? ? ?? ? ?x64gcc_-march=k8_-O_-fomit-frame-pointer2017072120170718
13722? ? ?? ? ?x64gcc_-m64_-march=core2_-O2_-fomit-frame-pointer2017072120170718
13722? ? ?? ? ?x64gcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer2017072120170718
13728? ? ?? ? ?x64gcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2017072120170718
13926? ? ?? ? ?x64gcc_-Os_-fomit-frame-pointer2017072120170718
13926? ? ?? ? ?x64gcc_-m64_-Os_-fomit-frame-pointer2017072120170718
13927? ? ?? ? ?x64gcc_-march=k8_-Os_-fomit-frame-pointer2017072120170718
13980? ? ?? ? ?x64gcc_-m64_-march=nocona_-Os_-fomit-frame-pointer2017072120170718
13980? ? ?? ? ?x64gcc_-march=nocona_-Os_-fomit-frame-pointer2017072120170718
13981? ? ?? ? ?x64gcc_-m64_-march=core2_-Os_-fomit-frame-pointer2017072120170718
13981? ? ?? ? ?x64gcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2017072120170718
13982? ? ?? ? ?x64gcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer2017072120170718
13982? ? ?? ? ?x64gcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer2017072120170718
13983? ? ?? ? ?x64gcc_-march=barcelona_-Os_-fomit-frame-pointer2017072120170718
13985? ? ?? ? ?x64gcc_-funroll-loops_-Os_-fomit-frame-pointer2017072120170718
13985? ? ?? ? ?x64gcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer2017072120170718
13985? ? ?? ? ?x64gcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer2017072120170718
13985? ? ?? ? ?x64gcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer2017072120170718
13987? ? ?? ? ?x64gcc_-fno-schedule-insns_-Os_-fomit-frame-pointer2017072120170718
13987? ? ?? ? ?x64gcc_-m64_-march=k8_-Os_-fomit-frame-pointer2017072120170718
14056? ? ?? ? ?x64gcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer2017072120170718
14056? ? ?? ? ?x64gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv2017072120170718
14061? ? ?? ? ?x64gcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer2017072120170718
14062? ? ?? ? ?x64gcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer2017072120170718
14062? ? ?? ? ?x64gcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer2017072120170718
14064? ? ?? ? ?x64gcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer2017072120170718
14064? ? ?? ? ?x64gcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer2017072120170718
15993? ? ?? ? ?optgcc_-m64_-march=nocona_-O_-fomit-frame-pointer2017072120170718
16003? ? ?? ? ?optgcc_-march=nocona_-O_-fomit-frame-pointer2017072120170718
16015? ? ?? ? ?optgcc_-m64_-O_-fomit-frame-pointer2017072120170718
16016? ? ?? ? ?optgcc_-O_-fomit-frame-pointer2017072120170718
16016? ? ?? ? ?optgcc_-fno-schedule-insns_-O_-fomit-frame-pointer2017072120170718
16021? ? ?? ? ?optgcc_-funroll-loops_-O_-fomit-frame-pointer2017072120170718
16021? ? ?? ? ?optgcc_-funroll-loops_-m64_-O_-fomit-frame-pointer2017072120170718
16038? ? ?? ? ?optgcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer2017072120170718
16091? ? ?? ? ?optgcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer2017072120170718
16112? ? ?? ? ?optgcc_-m64_-march=barcelona_-O_-fomit-frame-pointer2017072120170718
16112? ? ?? ? ?optgcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer2017072120170718
16112? ? ?? ? ?optgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv2017072120170718
16118? ? ?? ? ?optgcc_-march=barcelona_-O_-fomit-frame-pointer2017072120170718
16138? ? ?? ? ?optgcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer2017072120170718
16151? ? ?? ? ?optgcc_-m64_-march=k8_-O_-fomit-frame-pointer2017072120170718
16161? ? ?? ? ?optgcc_-march=k8_-O_-fomit-frame-pointer2017072120170718
16236? ? ?? ? ?optgcc_-m64_-march=core2_-O_-fomit-frame-pointer2017072120170718
16236? ? ?? ? ?optgcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer2017072120170718
16236? ? ?? ? ?optgcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer2017072120170718
16352? ? ?? ? ?optgcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer2017072120170718
16352? ? ?? ? ?optgcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer2017072120170718
16355? ? ?? ? ?optgcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer2017072120170718
16368? ? ?? ? ?optgcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer2017072120170718
16402? ? ?? ? ?optgcc_-fno-schedule-insns_-O2_-fomit-frame-pointer2017072120170718
16424? ? ?? ? ?optgcc_-O2_-fomit-frame-pointer2017072120170718
16430? ? ?? ? ?optgcc_-m64_-O2_-fomit-frame-pointer2017072120170718
16650? ? ?? ? ?optgcc_-march=barcelona_-Os_-fomit-frame-pointer2017072120170718
16654? ? ?? ? ?optgcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer2017072120170718
16663? ? ?? ? ?optgcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer2017072120170718
16663? ? ?? ? ?optgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv2017072120170718
16665? ? ?? ? ?optgcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer2017072120170718
16672? ? ?? ? ?optgcc_-funroll-loops_-O2_-fomit-frame-pointer2017072120170718
16675? ? ?? ? ?optgcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer2017072120170718
16769? ? ?? ? ?optgcc_-m64_-march=core2_-Os_-fomit-frame-pointer2017072120170718
16772? ? ?? ? ?optgcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer2017072120170718
16773? ? ?? ? ?optgcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2017072120170718
16782? ? ?? ? ?optgcc_-Os_-fomit-frame-pointer2017072120170718
16783? ? ?? ? ?optgcc_-m64_-Os_-fomit-frame-pointer2017072120170718
16790? ? ?? ? ?optgcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer2017072120170718
16791? ? ?? ? ?optgcc_-march=k8_-Os_-fomit-frame-pointer2017072120170718
16798? ? ?? ? ?optgcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer2017072120170718
16834? ? ?? ? ?optgcc_-fno-schedule-insns_-Os_-fomit-frame-pointer2017072120170718
16834? ? ?? ? ?optgcc_-m64_-march=k8_-Os_-fomit-frame-pointer2017072120170718
16858? ? ?? ? ?optgcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer2017072120170718
16872? ? ?? ? ?optgcc_-funroll-loops_-Os_-fomit-frame-pointer2017072120170718
16872? ? ?? ? ?optgcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer2017072120170718
16883? ? ?? ? ?optgcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer2017072120170718
16886? ? ?? ? ?optgcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer2017072120170718
16943? ? ?? ? ?optgcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer2017072120170718
16956? ? ?? ? ?optgcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer2017072120170718
17056? ? ?? ? ?optgcc_-march=nocona_-O2_-fomit-frame-pointer2017072120170718
17057? ? ?? ? ?optgcc_-m64_-march=nocona_-O2_-fomit-frame-pointer2017072120170718
17105? ? ?? ? ?optgcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer2017072120170718
17106? ? ?? ? ?optgcc_-m64_-march=k8_-O2_-fomit-frame-pointer2017072120170718
17108? ? ?? ? ?optgcc_-march=k8_-O2_-fomit-frame-pointer2017072120170718
17110? ? ?? ? ?optgcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer2017072120170718
17145? ? ?? ? ?optgcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer2017072120170718
17163? ? ?? ? ?optgcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer2017072120170718
17163? ? ?? ? ?optgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv2017072120170718
17170? ? ?? ? ?optgcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer2017072120170718
17170? ? ?? ? ?optgcc_-march=barcelona_-O2_-fomit-frame-pointer2017072120170718
17176? ? ?? ? ?optgcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer2017072120170718
17255? ? ?? ? ?optgcc_-m64_-march=core2_-O2_-fomit-frame-pointer2017072120170718
17258? ? ?? ? ?optgcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2017072120170718
17286? ? ?? ? ?optgcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer2017072120170718
17314? ? ?? ? ?optgcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer2017072120170718
17329? ? ?? ? ?optgcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer2017072120170718
17428? ? ?? ? ?optgcc_-m64_-march=nocona_-Os_-fomit-frame-pointer2017072120170718
17428? ? ?? ? ?optgcc_-march=nocona_-Os_-fomit-frame-pointer2017072120170718
17462? ? ?? ? ?optgcc_-m64_-march=k8_-O3_-fomit-frame-pointer2017072120170718
17462? ? ?? ? ?optgcc_-march=k8_-O3_-fomit-frame-pointer2017072120170718
17472? ? ?? ? ?optgcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer2017072120170718
17479? ? ?? ? ?optgcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer2017072120170718
17483? ? ?? ? ?optgcc_-march=barcelona_-O3_-fomit-frame-pointer2017072120170718
17504? ? ?? ? ?optgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv2017072120170718
17633? ? ?? ? ?optgcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer2017072120170718
17640? ? ?? ? ?optgcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer2017072120170718
17643? ? ?? ? ?optgcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer2017072120170718
17651? ? ?? ? ?optgcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer2017072120170718
18089? ? ?? ? ?optgcc_-funroll-loops_-O3_-fomit-frame-pointer2017072120170718
18092? ? ?? ? ?optgcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer2017072120170718
18105? ? ?? ? ?optgcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer2017072120170718
18288? ? ?? ? ?optgcc_-m64_-march=core2_-O3_-fomit-frame-pointer2017072120170718
18289? ? ?? ? ?optgcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer2017072120170718
18293? ? ?? ? ?optgcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer2017072120170718
18355? ? ?? ? ?optgcc_-march=nocona_-O3_-fomit-frame-pointer2017072120170718
18356? ? ?? ? ?optgcc_-m64_-march=nocona_-O3_-fomit-frame-pointer2017072120170718
18497? ? ?? ? ?optgcc_-m64_-O3_-fomit-frame-pointer2017072120170718
18500? ? ?? ? ?optgcc_-O3_-fomit-frame-pointer2017072120170718
18503? ? ?? ? ?optgcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer2017072120170718
18517? ? ?? ? ?optgcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer2017072120170718
18529? ? ?? ? ?optgcc_-fno-schedule-insns_-O3_-fomit-frame-pointer2017072120170718
137379? ? ?? ? ?optcc2017072120170718
137407? ? ?? ? ?optgcc2017072120170718
137795? ? ?? ? ?optgcc_-funroll-loops2017072120170718

Compiler output

Implementation: crypto_hash/skein10241024/x64
Compiler: cc
skein_block_x64.S: skein_block_x64.S:336:61: warning: trigraph ??) ignored, use -trigraphs to enable

Number of similar (compiler,implementation) pairs: 91, namely:
CompilerImplementations
cc x64
gcc x64
gcc -O2 -fomit-frame-pointer x64
gcc -O3 -fomit-frame-pointer x64
gcc -O -fomit-frame-pointer x64
gcc -Os -fomit-frame-pointer x64
gcc -fno-schedule-insns -O2 -fomit-frame-pointer x64
gcc -fno-schedule-insns -O3 -fomit-frame-pointer x64
gcc -fno-schedule-insns -O -fomit-frame-pointer x64
gcc -fno-schedule-insns -Os -fomit-frame-pointer x64
gcc -funroll-loops x64
gcc -funroll-loops -O2 -fomit-frame-pointer x64
gcc -funroll-loops -O3 -fomit-frame-pointer x64
gcc -funroll-loops -O -fomit-frame-pointer x64
gcc -funroll-loops -Os -fomit-frame-pointer x64
gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer x64
gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer x64
gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer x64
gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer x64
gcc -funroll-loops -m64 -O2 -fomit-frame-pointer x64
gcc -funroll-loops -m64 -O3 -fomit-frame-pointer x64
gcc -funroll-loops -m64 -O -fomit-frame-pointer x64
gcc -funroll-loops -m64 -Os -fomit-frame-pointer x64
gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer x64
gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer x64
gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer x64
gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer x64
gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer x64
gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer x64
gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer x64
gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer x64
gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer x64
gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer x64
gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer x64
gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer x64
gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer x64
gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer x64
gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer x64
gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer x64
gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer x64
gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer x64
gcc -funroll-loops -march=k8 -O -fomit-frame-pointer x64
gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer x64
gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer x64
gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer x64
gcc -funroll-loops -march=nocona -O -fomit-frame-pointer x64
gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer x64
gcc -m64 -O2 -fomit-frame-pointer x64
gcc -m64 -O3 -fomit-frame-pointer x64
gcc -m64 -O -fomit-frame-pointer x64
gcc -m64 -Os -fomit-frame-pointer x64
gcc -m64 -march=core2 -O2 -fomit-frame-pointer x64
gcc -m64 -march=core2 -O3 -fomit-frame-pointer x64
gcc -m64 -march=core2 -O -fomit-frame-pointer x64
gcc -m64 -march=core2 -Os -fomit-frame-pointer x64
gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer x64
gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer x64
gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer x64
gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer x64
gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer x64
gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer x64
gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer x64
gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer x64
gcc -m64 -march=k8 -O2 -fomit-frame-pointer x64
gcc -m64 -march=k8 -O3 -fomit-frame-pointer x64
gcc -m64 -march=k8 -O -fomit-frame-pointer x64
gcc -m64 -march=k8 -Os -fomit-frame-pointer x64
gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer x64
gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer x64
gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer x64
gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer x64
gcc -m64 -march=nocona -O2 -fomit-frame-pointer x64
gcc -m64 -march=nocona -O3 -fomit-frame-pointer x64
gcc -m64 -march=nocona -O -fomit-frame-pointer x64
gcc -m64 -march=nocona -Os -fomit-frame-pointer x64
gcc -march=barcelona -O2 -fomit-frame-pointer x64
gcc -march=barcelona -O3 -fomit-frame-pointer x64
gcc -march=barcelona -O -fomit-frame-pointer x64
gcc -march=barcelona -Os -fomit-frame-pointer x64
gcc -march=k8 -O2 -fomit-frame-pointer x64
gcc -march=k8 -O3 -fomit-frame-pointer x64
gcc -march=k8 -O -fomit-frame-pointer x64
gcc -march=k8 -Os -fomit-frame-pointer x64
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv x64
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv x64
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv x64
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv x64
gcc -march=nocona -O2 -fomit-frame-pointer x64
gcc -march=nocona -O3 -fomit-frame-pointer x64
gcc -march=nocona -O -fomit-frame-pointer x64
gcc -march=nocona -Os -fomit-frame-pointer x64

Compiler output

Implementation: crypto_hash/skein10241024/x64
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer
skein_block_x64.S: skein_block_x64.S:336:61: warning: trigraph ??) ignored, use -trigraphs to enable
skein_block_x64.S: skein_block_x64.S:336:61: warning: trigraph ??) ignored, use -trigraphs to enable

Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
gcc -m64 -march=barcelona -O2 -fomit-frame-pointer x64
gcc -m64 -march=barcelona -O3 -fomit-frame-pointer x64
gcc -m64 -march=barcelona -O -fomit-frame-pointer x64
gcc -m64 -march=barcelona -Os -fomit-frame-pointer x64