Implementation notes: amd64, gcc16, crypto_aead/omdsha512k256n256tau256v1

Computer: gcc16
Architecture: amd64
CPU ID: AuthenticAMD-00100f23-178bfbff
SUPERCOP version: 20171020
Operation: crypto_aead
Primitive: omdsha512k256n256tau256v1
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
238432? ? ?? ? ?refgcc_-funroll-loops_-O3_-fomit-frame-pointer2017072620170718
238613? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer2017072620170718
238652? ? ?? ? ?refgcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer2017072620170718
243187? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer2017072620170718
243263? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer2017072620170718
243330? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer2017072620170718
243330? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer2017072620170718
243353? ? ?? ? ?refgcc_-m64_-march=core2_-O3_-fomit-frame-pointer2017072620170718
245002? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer2017072620170718
245011? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer2017072620170718
245321? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer2017072620170718
245349? ? ?? ? ?refgcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer2017072620170718
245392? ? ?? ? ?refgcc_-march=barcelona_-O3_-fomit-frame-pointer2017072620170718
245538? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer2017072620170718
245568? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer2017072620170718
245746? ? ?? ? ?refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv2017072620170718
246624? ? ?? ? ?refgcc_-march=nocona_-O3_-fomit-frame-pointer2017072620170718
246642? ? ?? ? ?refgcc_-m64_-march=nocona_-O3_-fomit-frame-pointer2017072620170718
248479? ? ?? ? ?refgcc_-m64_-march=k8_-O3_-fomit-frame-pointer2017072620170718
249728? ? ?? ? ?refgcc_-O3_-fomit-frame-pointer2017072620170718
249877? ? ?? ? ?refgcc_-fno-schedule-insns_-O3_-fomit-frame-pointer2017072620170718
249920? ? ?? ? ?refgcc_-march=k8_-O3_-fomit-frame-pointer2017072620170718
250154? ? ?? ? ?refgcc_-m64_-O3_-fomit-frame-pointer2017072620170718
259441? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer2017072620170718
259516? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer2017072620170718
259776? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer2017072620170718
259784? ? ?? ? ?refgcc_-funroll-loops_-O_-fomit-frame-pointer2017072620170718
259838? ? ?? ? ?refgcc_-funroll-loops_-m64_-O_-fomit-frame-pointer2017072620170718
259842? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer2017072620170718
260131? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer2017072620170718
260464? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer2017072620170718
260495? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer2017072620170718
262400? ? ?? ? ?refgcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer2017072620170718
262467? ? ?? ? ?refgcc_-funroll-loops_-O2_-fomit-frame-pointer2017072620170718
262524? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer2017072620170718
266574? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer2017072620170718
268347? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer2017072620170718
268560? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer2017072620170718
268849? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer2017072620170718
269461? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer2017072620170718
269476? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer2017072620170718
277167? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2017072620170718
277169? ? ?? ? ?refgcc_-m64_-march=core2_-O2_-fomit-frame-pointer2017072620170718
277169? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer2017072620170718
278144? ? ?? ? ?refgcc_-m64_-march=nocona_-O2_-fomit-frame-pointer2017072620170718
278207? ? ?? ? ?refgcc_-m64_-march=k8_-O2_-fomit-frame-pointer2017072620170718
278284? ? ?? ? ?refgcc_-march=nocona_-O2_-fomit-frame-pointer2017072620170718
279003? ? ?? ? ?refgcc_-march=k8_-O_-fomit-frame-pointer2017072620170718
279204? ? ?? ? ?refgcc_-m64_-march=k8_-O_-fomit-frame-pointer2017072620170718
279382? ? ?? ? ?refgcc_-O_-fomit-frame-pointer2017072620170718
279581? ? ?? ? ?refgcc_-fno-schedule-insns_-O_-fomit-frame-pointer2017072620170718
281381? ? ?? ? ?refgcc_-m64_-O_-fomit-frame-pointer2017072620170718
281416? ? ?? ? ?refgcc_-m64_-march=core2_-O_-fomit-frame-pointer2017072620170718
281458? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer2017072620170718
281655? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer2017072620170718
281985? ? ?? ? ?refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv2017072620170718
282018? ? ?? ? ?refgcc_-march=barcelona_-O_-fomit-frame-pointer2017072620170718
282187? ? ?? ? ?refgcc_-m64_-march=barcelona_-O_-fomit-frame-pointer2017072620170718
282189? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer2017072620170718
283960? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer2017072620170718
283971? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer2017072620170718
284015? ? ?? ? ?refgcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer2017072620170718
284021? ? ?? ? ?refgcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer2017072620170718
284082? ? ?? ? ?refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv2017072620170718
284159? ? ?? ? ?refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv2017072620170718
284213? ? ?? ? ?refgcc_-march=barcelona_-Os_-fomit-frame-pointer2017072620170718
284614? ? ?? ? ?refgcc_-march=barcelona_-O2_-fomit-frame-pointer2017072620170718
287265? ? ?? ? ?refgcc_-Os_-fomit-frame-pointer2017072620170718
287371? ? ?? ? ?refgcc_-fno-schedule-insns_-Os_-fomit-frame-pointer2017072620170718
287529? ? ?? ? ?refgcc_-m64_-march=k8_-Os_-fomit-frame-pointer2017072620170718
287622? ? ?? ? ?refgcc_-march=k8_-Os_-fomit-frame-pointer2017072620170718
287689? ? ?? ? ?refgcc_-m64_-Os_-fomit-frame-pointer2017072620170718
287823? ? ?? ? ?refgcc_-fno-schedule-insns_-O2_-fomit-frame-pointer2017072620170718
287950? ? ?? ? ?refgcc_-march=nocona_-O_-fomit-frame-pointer2017072620170718
288420? ? ?? ? ?refgcc_-m64_-march=nocona_-O_-fomit-frame-pointer2017072620170718
288743? ? ?? ? ?refgcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer2017072620170718
288858? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer2017072620170718
289031? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer2017072620170718
289171? ? ?? ? ?refgcc_-funroll-loops_-Os_-fomit-frame-pointer2017072620170718
289415? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer2017072620170718
290653? ? ?? ? ?refgcc_-m64_-march=nocona_-Os_-fomit-frame-pointer2017072620170718
290783? ? ?? ? ?refgcc_-march=k8_-O2_-fomit-frame-pointer2017072620170718
290868? ? ?? ? ?refgcc_-march=nocona_-Os_-fomit-frame-pointer2017072620170718
292324? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer2017072620170718
292725? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer2017072620170718
295414? ? ?? ? ?refgcc_-m64_-march=core2_-Os_-fomit-frame-pointer2017072620170718
295427? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer2017072620170718
295606? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2017072620170718
296312? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer2017072620170718
296833? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer2017072620170718
299362? ? ?? ? ?refgcc_-O2_-fomit-frame-pointer2017072620170718
299783? ? ?? ? ?refgcc_-m64_-O2_-fomit-frame-pointer2017072620170718
872916? ? ?? ? ?refgcc_-funroll-loops2017072620170718
873940? ? ?? ? ?refcc2017072620170718
873956? ? ?? ? ?refgcc2017072620170718

Test failure

Implementation: crypto_aead/omdsha512k256n256tau256v1/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/omdsha512k256n256tau256v1/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/omdsha512k256n256tau256v1/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/omdsha512k256n256tau256v1/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