Implementation notes: amd64, gcc16, crypto_aead/omdsha512k256n256tau256v2

Computer: gcc16
Architecture: amd64
CPU ID: AuthenticAMD-00100f23-178bfbff
SUPERCOP version: 20171020
Operation: crypto_aead
Primitive: omdsha512k256n256tau256v2
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
239398? ? ?? ? ?refgcc_-funroll-loops_-O3_-fomit-frame-pointer2017072620170718
239504? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer2017072620170718
239565? ? ?? ? ?refgcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer2017072620170718
242038? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer2017072620170718
242039? ? ?? ? ?refgcc_-m64_-march=core2_-O3_-fomit-frame-pointer2017072620170718
242039? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer2017072620170718
244002? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer2017072620170718
244091? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer2017072620170718
245324? ? ?? ? ?refgcc_-m64_-march=nocona_-O3_-fomit-frame-pointer2017072620170718
245378? ? ?? ? ?refgcc_-march=nocona_-O3_-fomit-frame-pointer2017072620170718
245798? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer2017072620170718
245811? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer2017072620170718
246170? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer2017072620170718
246281? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer2017072620170718
246928? ? ?? ? ?refgcc_-march=barcelona_-O3_-fomit-frame-pointer2017072620170718
247053? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer2017072620170718
247366? ? ?? ? ?refgcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer2017072620170718
248420? ? ?? ? ?refgcc_-march=k8_-O3_-fomit-frame-pointer2017072620170718
248425? ? ?? ? ?refgcc_-m64_-march=k8_-O3_-fomit-frame-pointer2017072620170718
248561? ? ?? ? ?refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv2017072620170718
248757? ? ?? ? ?refgcc_-m64_-O3_-fomit-frame-pointer2017072620170718
248827? ? ?? ? ?refgcc_-fno-schedule-insns_-O3_-fomit-frame-pointer2017072620170718
249296? ? ?? ? ?refgcc_-O3_-fomit-frame-pointer2017072620170718
259573? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer2017072620170718
259639? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer2017072620170718
260678? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer2017072620170718
260788? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer2017072620170718
261508? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer2017072620170718
261628? ? ?? ? ?refgcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer2017072620170718
261706? ? ?? ? ?refgcc_-funroll-loops_-O2_-fomit-frame-pointer2017072620170718
265863? ? ?? ? ?refgcc_-funroll-loops_-O_-fomit-frame-pointer2017072620170718
265929? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer2017072620170718
266068? ? ?? ? ?refgcc_-funroll-loops_-m64_-O_-fomit-frame-pointer2017072620170718
267448? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer2017072620170718
267464? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer2017072620170718
268717? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer2017072620170718
268828? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer2017072620170718
269201? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer2017072620170718
269207? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer2017072620170718
269563? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer2017072620170718
269639? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer2017072620170718
276026? ? ?? ? ?refgcc_-m64_-march=core2_-O2_-fomit-frame-pointer2017072620170718
276028? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2017072620170718
276029? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer2017072620170718
277121? ? ?? ? ?refgcc_-m64_-march=k8_-O_-fomit-frame-pointer2017072620170718
277149? ? ?? ? ?refgcc_-march=k8_-O_-fomit-frame-pointer2017072620170718
278140? ? ?? ? ?refgcc_-m64_-march=k8_-O2_-fomit-frame-pointer2017072620170718
278148? ? ?? ? ?refgcc_-march=k8_-O2_-fomit-frame-pointer2017072620170718
279893? ? ?? ? ?refgcc_-m64_-march=core2_-O_-fomit-frame-pointer2017072620170718
279941? ? ?? ? ?refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv2017072620170718
280004? ? ?? ? ?refgcc_-O_-fomit-frame-pointer2017072620170718
280090? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer2017072620170718
280151? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer2017072620170718
280169? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer2017072620170718
280171? ? ?? ? ?refgcc_-m64_-march=barcelona_-O_-fomit-frame-pointer2017072620170718
280188? ? ?? ? ?refgcc_-fno-schedule-insns_-O_-fomit-frame-pointer2017072620170718
280676? ? ?? ? ?refgcc_-march=barcelona_-O_-fomit-frame-pointer2017072620170718
281166? ? ?? ? ?refgcc_-march=nocona_-O2_-fomit-frame-pointer2017072620170718
281177? ? ?? ? ?refgcc_-m64_-march=nocona_-O2_-fomit-frame-pointer2017072620170718
281503? ? ?? ? ?refgcc_-O2_-fomit-frame-pointer2017072620170718
281654? ? ?? ? ?refgcc_-m64_-O_-fomit-frame-pointer2017072620170718
282256? ? ?? ? ?refgcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer2017072620170718
282309? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer2017072620170718
282398? ? ?? ? ?refgcc_-march=barcelona_-Os_-fomit-frame-pointer2017072620170718
282419? ? ?? ? ?refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv2017072620170718
284233? ? ?? ? ?refgcc_-march=barcelona_-O2_-fomit-frame-pointer2017072620170718
284394? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer2017072620170718
284620? ? ?? ? ?refgcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer2017072620170718
284637? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer2017072620170718
284686? ? ?? ? ?refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv2017072620170718
287502? ? ?? ? ?refgcc_-Os_-fomit-frame-pointer2017072620170718
287612? ? ?? ? ?refgcc_-fno-schedule-insns_-Os_-fomit-frame-pointer2017072620170718
287827? ? ?? ? ?refgcc_-march=k8_-Os_-fomit-frame-pointer2017072620170718
287855? ? ?? ? ?refgcc_-m64_-Os_-fomit-frame-pointer2017072620170718
287909? ? ?? ? ?refgcc_-m64_-march=k8_-Os_-fomit-frame-pointer2017072620170718
288679? ? ?? ? ?refgcc_-march=nocona_-O_-fomit-frame-pointer2017072620170718
290340? ? ?? ? ?refgcc_-m64_-march=nocona_-O_-fomit-frame-pointer2017072620170718
293227? ? ?? ? ?refgcc_-fno-schedule-insns_-O2_-fomit-frame-pointer2017072620170718
293276? ? ?? ? ?refgcc_-m64_-O2_-fomit-frame-pointer2017072620170718
293816? ? ?? ? ?refgcc_-m64_-march=nocona_-Os_-fomit-frame-pointer2017072620170718
294328? ? ?? ? ?refgcc_-march=nocona_-Os_-fomit-frame-pointer2017072620170718
295668? ? ?? ? ?refgcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer2017072620170718
295694? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer2017072620170718
295694? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer2017072620170718
295816? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer2017072620170718
295900? ? ?? ? ?refgcc_-funroll-loops_-Os_-fomit-frame-pointer2017072620170718
296127? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer2017072620170718
299316? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2017072620170718
299345? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer2017072620170718
299348? ? ?? ? ?refgcc_-m64_-march=core2_-Os_-fomit-frame-pointer2017072620170718
305712? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer2017072620170718
305919? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer2017072620170718
880076? ? ?? ? ?refcc2017072620170718
880155? ? ?? ? ?refgcc2017072620170718
881030? ? ?? ? ?refgcc_-funroll-loops2017072620170718

Test failure

Implementation: crypto_aead/omdsha512k256n256tau256v2/avx1
Compiler: cc
error 111

Number of similar (compiler,implementation) pairs: 182, namely:
CompilerImplementations
cc avx1 sse4
gcc avx1 sse4
gcc -O2 -fomit-frame-pointer avx1 sse4
gcc -O3 -fomit-frame-pointer avx1 sse4
gcc -O -fomit-frame-pointer avx1 sse4
gcc -Os -fomit-frame-pointer avx1 sse4
gcc -fno-schedule-insns -O2 -fomit-frame-pointer avx1 sse4
gcc -fno-schedule-insns -O3 -fomit-frame-pointer avx1 sse4
gcc -fno-schedule-insns -O -fomit-frame-pointer avx1 sse4
gcc -fno-schedule-insns -Os -fomit-frame-pointer avx1 sse4
gcc -funroll-loops avx1 sse4
gcc -funroll-loops -O2 -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -O3 -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -O -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -Os -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -m64 -O2 -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -m64 -O3 -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -m64 -O -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -m64 -Os -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -march=k8 -O -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -march=nocona -O -fomit-frame-pointer avx1 sse4
gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer avx1 sse4
gcc -m64 -O2 -fomit-frame-pointer avx1 sse4
gcc -m64 -O3 -fomit-frame-pointer avx1 sse4
gcc -m64 -O -fomit-frame-pointer avx1 sse4
gcc -m64 -Os -fomit-frame-pointer avx1 sse4
gcc -m64 -march=core2 -O2 -fomit-frame-pointer avx1 sse4
gcc -m64 -march=core2 -O3 -fomit-frame-pointer avx1 sse4
gcc -m64 -march=core2 -O -fomit-frame-pointer avx1 sse4
gcc -m64 -march=core2 -Os -fomit-frame-pointer avx1 sse4
gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer avx1 sse4
gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer avx1 sse4
gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer avx1 sse4
gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer avx1 sse4
gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer avx1 sse4
gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer avx1 sse4
gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer avx1 sse4
gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer avx1 sse4
gcc -m64 -march=k8 -O2 -fomit-frame-pointer avx1 sse4
gcc -m64 -march=k8 -O3 -fomit-frame-pointer avx1 sse4
gcc -m64 -march=k8 -O -fomit-frame-pointer avx1 sse4
gcc -m64 -march=k8 -Os -fomit-frame-pointer avx1 sse4
gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer avx1 sse4
gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer avx1 sse4
gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer avx1 sse4
gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer avx1 sse4
gcc -m64 -march=nocona -O2 -fomit-frame-pointer avx1 sse4
gcc -m64 -march=nocona -O3 -fomit-frame-pointer avx1 sse4
gcc -m64 -march=nocona -O -fomit-frame-pointer avx1 sse4
gcc -m64 -march=nocona -Os -fomit-frame-pointer avx1 sse4
gcc -march=barcelona -O2 -fomit-frame-pointer avx1 sse4
gcc -march=barcelona -O3 -fomit-frame-pointer avx1 sse4
gcc -march=barcelona -O -fomit-frame-pointer avx1 sse4
gcc -march=barcelona -Os -fomit-frame-pointer avx1 sse4
gcc -march=k8 -O2 -fomit-frame-pointer avx1 sse4
gcc -march=k8 -O3 -fomit-frame-pointer avx1 sse4
gcc -march=k8 -O -fomit-frame-pointer avx1 sse4
gcc -march=k8 -Os -fomit-frame-pointer avx1 sse4
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv avx1 sse4
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv avx1 sse4
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv avx1 sse4
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv avx1 sse4
gcc -march=nocona -O2 -fomit-frame-pointer avx1 sse4
gcc -march=nocona -O3 -fomit-frame-pointer avx1 sse4
gcc -march=nocona -O -fomit-frame-pointer avx1 sse4
gcc -march=nocona -Os -fomit-frame-pointer avx1 sse4

Test failure

Implementation: crypto_aead/omdsha512k256n256tau256v2/avx1
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer
error 111
error 111

Number of similar (compiler,implementation) pairs: 8, namely:
CompilerImplementations
gcc -m64 -march=barcelona -O2 -fomit-frame-pointer avx1 sse4
gcc -m64 -march=barcelona -O3 -fomit-frame-pointer avx1 sse4
gcc -m64 -march=barcelona -O -fomit-frame-pointer avx1 sse4
gcc -m64 -march=barcelona -Os -fomit-frame-pointer avx1 sse4

Compiler output

Implementation: crypto_aead/omdsha512k256n256tau256v2/ref
Compiler: cc
sha512.c: sha512.c: In function 'sha512_comp':
sha512.c: sha512.c:206: warning: initialization from incompatible pointer type

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

Compiler output

Implementation: crypto_aead/omdsha512k256n256tau256v2/ref
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer
sha512.c: sha512.c: In function 'sha512_comp':
sha512.c: sha512.c:206: warning: initialization from incompatible pointer type
sha512.c: sha512.c: In function 'sha512_comp':
sha512.c: sha512.c:206: warning: initialization from incompatible pointer type

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