Implementation notes: amd64, glyme, crypto_hash/skein10241024

Computer: glyme
Architecture: amd64
CPU ID: GenuineIntel-00020652-bfebfbff
SUPERCOP version: 201720170105
Operation: crypto_hash
Primitive: skein10241024
TimeImplementationCompilerBenchmark dateSUPERCOP version
16764optgcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer2017020220170105
16764optgcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer2017020220170105
16768optgcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv2017020220170105
16772optgcc -m64 -march=core2 -O2 -fomit-frame-pointer2017020220170105
16776optgcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer2017020220170105
16776optgcc -m64 -march=corei7 -O2 -fomit-frame-pointer2017020220170105
17420optgcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer2017020220170105
17428optgcc -funroll-loops -O2 -fomit-frame-pointer2017020220170105
17432optgcc -funroll-loops -m64 -O2 -fomit-frame-pointer2017020220170105
17876optgcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer2017020220170105
17876optgcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer2017020220170105
17952optgcc -funroll-loops -O -fomit-frame-pointer2017020220170105
17952optgcc -funroll-loops -m64 -O -fomit-frame-pointer2017020220170105
17956optgcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer2017020220170105
18008optgcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer2017020220170105
18008optgcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer2017020220170105
18012optgcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer2017020220170105
18016optgcc -funroll-loops -march=k8 -O -fomit-frame-pointer2017020220170105
18068optgcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer2017020220170105
18068optgcc -funroll-loops -march=nocona -O -fomit-frame-pointer2017020220170105
18076optgcc -m64 -march=native -mtune=native -O -fomit-frame-pointer2017020220170105
18080optgcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer2017020220170105
18080optgcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer2017020220170105
18084optgcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv2017020220170105
18088optgcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer2017020220170105
18092optgcc -m64 -march=core2 -O -fomit-frame-pointer2017020220170105
18092optgcc -m64 -march=corei7 -O -fomit-frame-pointer2017020220170105
18096optgcc -funroll-loops -march=barcelona -O -fomit-frame-pointer2017020220170105
18128optgcc -march=nocona -O2 -fomit-frame-pointer2017020220170105
18132optgcc -m64 -march=nocona -O2 -fomit-frame-pointer2017020220170105
18136optgcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer2017020220170105
18140optgcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer2017020220170105
18148optgcc -m64 -march=barcelona -O -fomit-frame-pointer2017020220170105
18160optgcc -march=barcelona -O -fomit-frame-pointer2017020220170105
18204optgcc -fno-schedule-insns -O -fomit-frame-pointer2017020220170105
18212optgcc -O -fomit-frame-pointer2017020220170105
18212optgcc -m64 -march=nocona -O -fomit-frame-pointer2017020220170105
18212optgcc -march=nocona -O -fomit-frame-pointer2017020220170105
18216optgcc -m64 -O -fomit-frame-pointer2017020220170105
18220optgcc -O2 -fomit-frame-pointer2017020220170105
18224optgcc -m64 -O2 -fomit-frame-pointer2017020220170105
18228optgcc -fno-schedule-insns -O2 -fomit-frame-pointer2017020220170105
18320optgcc -m64 -march=k8 -O2 -fomit-frame-pointer2017020220170105
18320optgcc -march=k8 -O2 -fomit-frame-pointer2017020220170105
18332optgcc -m64 -march=barcelona -O2 -fomit-frame-pointer2017020220170105
18336optgcc -m64 -march=core2 -Os -fomit-frame-pointer2017020220170105
18336optgcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer2017020220170105
18340optgcc -march=barcelona -O2 -fomit-frame-pointer2017020220170105
18352optgcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv2017020220170105
18360optgcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer2017020220170105
18360optgcc -m64 -march=corei7 -Os -fomit-frame-pointer2017020220170105
18364optgcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer2017020220170105
18388optgcc -march=k8 -O -fomit-frame-pointer2017020220170105
18392optgcc -m64 -march=k8 -O -fomit-frame-pointer2017020220170105
18588optgcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer2017020220170105
18588optgcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer2017020220170105
18588optgcc -march=nocona -O3 -fomit-frame-pointer2017020220170105
18592optgcc -m64 -march=nocona -O3 -fomit-frame-pointer2017020220170105
19252optgcc -m64 -Os -fomit-frame-pointer2017020220170105
19256optgcc -march=k8 -Os -fomit-frame-pointer2017020220170105
19260optgcc -fno-schedule-insns -Os -fomit-frame-pointer2017020220170105
19260optgcc -m64 -march=barcelona -Os -fomit-frame-pointer2017020220170105
19268optgcc -Os -fomit-frame-pointer2017020220170105
19272optgcc -march=barcelona -Os -fomit-frame-pointer2017020220170105
19276optgcc -m64 -march=k8 -Os -fomit-frame-pointer2017020220170105
19364optgcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer2017020220170105
19376optgcc -funroll-loops -Os -fomit-frame-pointer2017020220170105
19376optgcc -funroll-loops -m64 -Os -fomit-frame-pointer2017020220170105
19376optgcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer2017020220170105
19376optgcc -funroll-loops -march=k8 -Os -fomit-frame-pointer2017020220170105
19380optgcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer2017020220170105
19380optgcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer2017020220170105
19464optgcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer2017020220170105
19468optgcc -funroll-loops -O3 -fomit-frame-pointer2017020220170105
19488optgcc -funroll-loops -m64 -O3 -fomit-frame-pointer2017020220170105
19896optgcc -m64 -march=corei7 -O3 -fomit-frame-pointer2017020220170105
19896optgcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer2017020220170105
19896optgcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv2017020220170105
19900optgcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer2017020220170105
19900optgcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer2017020220170105
19904optgcc -m64 -march=core2 -O3 -fomit-frame-pointer2017020220170105
20008optgcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer2017020220170105
20016optgcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer2017020220170105
20104optgcc -m64 -march=barcelona -O3 -fomit-frame-pointer2017020220170105
20104optgcc -march=barcelona -O3 -fomit-frame-pointer2017020220170105
20204optclang -O3 -fomit-frame-pointer -Qunused-arguments2017020220170105
20204optclang -O3 -fwrapv -march=native -fomit-frame-pointer -Qunused-arguments2017020220170105
20204optclang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments2017020220170105
20204optclang -mcpu=cortex-a8 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments2017020220170105
20204optclang -mcpu=cortex-a9 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments2017020220170105
20204optclang -mcpu=native -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments2017020220170105
20220optgcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer2017020220170105
20240optgcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer2017020220170105
20372optgcc -m64 -march=k8 -O3 -fomit-frame-pointer2017020220170105
20372optgcc -march=k8 -O3 -fomit-frame-pointer2017020220170105
20388optgcc -O3 -fomit-frame-pointer2017020220170105
20388optgcc -m64 -O3 -fomit-frame-pointer2017020220170105
20412optgcc -fno-schedule-insns -O3 -fomit-frame-pointer2017020220170105
20500optgcc -m64 -march=nocona -Os -fomit-frame-pointer2017020220170105
20504optgcc -march=nocona -Os -fomit-frame-pointer2017020220170105
20532optgcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer2017020220170105
20532optgcc -funroll-loops -march=nocona -Os -fomit-frame-pointer2017020220170105
75364optgcc2017020220170105
75368optgcc -funroll-loops2017020220170105
82904optcc2017020220170105

Test failure

Implementation: crypto_hash/skein10241024/x64
Compiler: gcc
error 111

Number of similar (compiler,implementation) pairs: 94, namely:
CompilerImplementations
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=corei7 -O2 -fomit-frame-pointer x64
gcc -m64 -march=corei7 -O3 -fomit-frame-pointer x64
gcc -m64 -march=corei7 -O -fomit-frame-pointer x64
gcc -m64 -march=corei7 -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

Test failure

Implementation: crypto_hash/skein10241024/x64
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer
error 111
error 111

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

Compiler output

Implementation: crypto_hash/skein10241024/x64
Compiler: cc
skein_block_x64.S: skein_block_x64.S:336:61: warning: trigraph ignored [-Wtrigraphs]
skein_block_x64.S: addq $LOCAL_SIZE,%rsp #get rid of locals (wipe??)
skein_block_x64.S: ^
skein_block_x64.S: skein_block_x64.S:427:13: warning: \u used with no following hex digits; treating as '\' followed by identifier [-Wunicode]
skein_block_x64.S: .elseif ((\useAddOp + 0) == 0)
skein_block_x64.S: ^
skein_block_x64.S: 2 warnings generated.
skein_block_x64.S: skein_block_x64.S:16:5: error: unknown directive
skein_block_x64.S: .altmacro
skein_block_x64.S: ^
skein_block_x64.S: skein_block_x64.S:17:5: error: unknown directive
skein_block_x64.S: .psize 0,128 #list file has no page boundaries
skein_block_x64.S: ^
skein_block_x64.S: gt;:2:7: error: expected absolute expression
skein_block_x64.S: .if _RCNT_ #is there anything to do?
skein_block_x64.S: ^
skein_block_x64.S: gt;:6:5: note: while in macro instantiation
skein_block_x64.S: RotL64 rbx, 256,%((4*_Rbase_+0) % 8),0
skein_block_x64.S: ^
skein_block_x64.S: skein_block_x64.S:616:1: note: while in macro instantiation
skein_block_x64.S: .rept _UNROLL_CNT*2
skein_block_x64.S: ^
skein_block_x64.S: gt;:3:10: error: invalid operand for instruction
skein_block_x64.S: rolq $_RCNT_,%rbx
skein_block_x64.S: ^~~~~~~
skein_block_x64.S: ...

Number of similar (compiler,implementation) pairs: 7, namely:
CompilerImplementations
cc x64
clang -O3 -fomit-frame-pointer -Qunused-arguments x64
clang -O3 -fwrapv -march=native -fomit-frame-pointer -Qunused-arguments x64
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments x64
clang -mcpu=cortex-a8 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments x64
clang -mcpu=cortex-a9 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments x64
clang -mcpu=native -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments x64

Compiler output

Implementation: crypto_hash/skein10241024/x64
Compiler: gcc
skein_block_x64.S: skein_block_x64.S:336:61: warning: trigraph ??) ignored, use -trigraphs to enable [-Wtrigraphs]
skein_block_x64.S: addq $LOCAL_SIZE,%rsp #get rid of locals (wipe??)
skein_block_x64.S:

Number of similar (compiler,implementation) pairs: 94, namely:
CompilerImplementations
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=corei7 -O2 -fomit-frame-pointer x64
gcc -m64 -march=corei7 -O3 -fomit-frame-pointer x64
gcc -m64 -march=corei7 -O -fomit-frame-pointer x64
gcc -m64 -march=corei7 -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 [-Wtrigraphs]
skein_block_x64.S: addq $LOCAL_SIZE,%rsp #get rid of locals (wipe??)
skein_block_x64.S:
skein_block_x64.S: skein_block_x64.S:336:61: warning: trigraph ??) ignored, use -trigraphs to enable [-Wtrigraphs]
skein_block_x64.S: addq $LOCAL_SIZE,%rsp #get rid of locals (wipe??)
skein_block_x64.S:

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