Implementation notes: amd64, genji441, crypto_aead/twine80n6clocv1

Computer: genji441
Architecture: amd64
CPU ID: GenuineIntel-000406f1-bfebfbff
SUPERCOP version: 20180818
Operation: crypto_aead
Primitive: twine80n6clocv1
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
591548? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer2018081920180818
593260? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer2018081920180818
604092? ? ?? ? ?refgcc_-m64_-march=nocona_-O2_-fomit-frame-pointer2018081920180818
605064? ? ?? ? ?refgcc_-march=nocona_-O2_-fomit-frame-pointer2018081920180818
605816? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer2018081920180818
606328? ? ?? ? ?refgcc_-m64_-march=nocona_-O3_-fomit-frame-pointer2018081920180818
611576? ? ?? ? ?refgcc_-funroll-loops_-O2_-fomit-frame-pointer2018081920180818
612960? ? ?? ? ?refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv2018081920180818
613320? ? ?? ? ?refgcc_-O2_-fomit-frame-pointer2018081920180818
613412? ? ?? ? ?refgcc_-m64_-march=core-avx2_-O2_-fomit-frame-pointer2018081920180818
614080? ? ?? ? ?refgcc_-m64_-O2_-fomit-frame-pointer2018081920180818
614144? ? ?? ? ?refgcc_-funroll-loops_-O3_-fomit-frame-pointer2018081920180818
614144? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer2018081920180818
614372? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer2018081920180818
614392? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer2018081920180818
614568? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer2018081920180818
614872? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer2018081920180818
614940? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer2018081920180818
615440? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer2018081920180818
615568? ? ?? ? ?refgcc_-fno-schedule-insns_-O3_-fomit-frame-pointer2018081920180818
615824? ? ?? ? ?refgcc_-m64_-O3_-fomit-frame-pointer2018081920180818
616620? ? ?? ? ?refgcc_-m64_-march=core-avx2_-O3_-fomit-frame-pointer2018081920180818
616640? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer2018081920180818
616712? ? ?? ? ?refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv2018081920180818
616904? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer2018081920180818
617440? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer2018081920180818
617700? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer2018081920180818
617836? ? ?? ? ?refgcc_-fno-schedule-insns_-O2_-fomit-frame-pointer2018081920180818
618352? ? ?? ? ?refgcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer2018081920180818
619760? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2018081920180818
620192? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O2_-fomit-frame-pointer2018081920180818
620228? ? ?? ? ?refgcc_-m64_-march=corei7_-O2_-fomit-frame-pointer2018081920180818
620232? ? ?? ? ?refgcc_-m64_-march=k8_-O2_-fomit-frame-pointer2018081920180818
620232? ? ?? ? ?refgcc_-march=k8_-O2_-fomit-frame-pointer2018081920180818
620484? ? ?? ? ?refgcc_-march=nocona_-O3_-fomit-frame-pointer2018081920180818
620532? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O2_-fomit-frame-pointer2018081920180818
621284? ? ?? ? ?refgcc_-march=barcelona_-O2_-fomit-frame-pointer2018081920180818
621332? ? ?? ? ?refgcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer2018081920180818
621376? ? ?? ? ?refgcc_-m64_-march=core2_-O2_-fomit-frame-pointer2018081920180818
621940? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer2018081920180818
622008? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O3_-fomit-frame-pointer2018081920180818
622324? ? ?? ? ?refgcc_-m64_-march=corei7_-O3_-fomit-frame-pointer2018081920180818
622624? ? ?? ? ?refgcc_-m64_-march=core2_-O3_-fomit-frame-pointer2018081920180818
622836? ? ?? ? ?refgcc_-m64_-march=k8_-O3_-fomit-frame-pointer2018081920180818
622860? ? ?? ? ?refgcc_-march=k8_-O3_-fomit-frame-pointer2018081920180818
623096? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer2018081920180818
623148? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer2018081920180818
623756? ? ?? ? ?refgcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer2018081920180818
624624? ? ?? ? ?refgcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer2018081920180818
626692? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer2018081920180818
627392? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O3_-fomit-frame-pointer2018081920180818
630216? ? ?? ? ?refgcc_-march=barcelona_-O3_-fomit-frame-pointer2018081920180818
639396? ? ?? ? ?refgcc_-funroll-loops_-O_-fomit-frame-pointer2018081920180818
640124? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer2018081920180818
643212? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer2018081920180818
645608? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer2018081920180818
645792? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer2018081920180818
645892? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer2018081920180818
646064? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer2018081920180818
648624? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer2018081920180818
649636? ? ?? ? ?refgcc_-funroll-loops_-m64_-O_-fomit-frame-pointer2018081920180818
650100? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer2018081920180818
656096? ? ?? ? ?refgcc_-m64_-O_-fomit-frame-pointer2018081920180818
656160? ? ?? ? ?refgcc_-O_-fomit-frame-pointer2018081920180818
656180? ? ?? ? ?refgcc_-m64_-march=core2_-O_-fomit-frame-pointer2018081920180818
656364? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer2018081920180818
656396? ? ?? ? ?refgcc_-march=nocona_-O_-fomit-frame-pointer2018081920180818
656412? ? ?? ? ?refgcc_-m64_-march=nocona_-O_-fomit-frame-pointer2018081920180818
657284? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O_-fomit-frame-pointer2018081920180818
660340? ? ?? ? ?refgcc_-march=k8_-O_-fomit-frame-pointer2018081920180818
662636? ? ?? ? ?refgcc_-m64_-march=barcelona_-O_-fomit-frame-pointer2018081920180818
663868? ? ?? ? ?refgcc_-fno-schedule-insns_-O_-fomit-frame-pointer2018081920180818
664816? ? ?? ? ?refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv2018081920180818
665004? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer2018081920180818
665868? ? ?? ? ?refgcc_-m64_-march=corei7_-O_-fomit-frame-pointer2018081920180818
666812? ? ?? ? ?refgcc_-m64_-march=k8_-O_-fomit-frame-pointer2018081920180818
668508? ? ?? ? ?reficc_-xCORE-AVX2_-O3_-fomit-frame-pointer2018081920180818
668664? ? ?? ? ?reficc_-xCORE-AVX2_-O2_-fomit-frame-pointer2018081920180818
669144? ? ?? ? ?refgcc_-march=barcelona_-O_-fomit-frame-pointer2018081920180818
673240? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O_-fomit-frame-pointer2018081920180818
674680? ? ?? ? ?reficc_-xAVX_-O2_-fomit-frame-pointer2018081920180818
674692? ? ?? ? ?reficc_-xAVX_-O3_-fomit-frame-pointer2018081920180818
675096? ? ?? ? ?reficc_-xSSE4.2_-O2_-fomit-frame-pointer2018081920180818
677168? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer2018081920180818
677380? ? ?? ? ?reficc_-no-vec2018081920180818
678364? ? ?? ? ?reficc2018081920180818
684736? ? ?? ? ?reficc_-xSSE4.1_-O3_-fomit-frame-pointer2018081920180818
686184? ? ?? ? ?refgcc_-m64_-march=core-avx2_-O_-fomit-frame-pointer2018081920180818
686932? ? ?? ? ?reficc_-xSSE4.1_-O2_-fomit-frame-pointer2018081920180818
687336? ? ?? ? ?reficc_-xSSE4.2_-O3_-fomit-frame-pointer2018081920180818
700368? ? ?? ? ?reficc_-xCORE-AVX-I_-O2_-fomit-frame-pointer2018081920180818
710400? ? ?? ? ?reficc_-xCORE-AVX-I_-O3_-fomit-frame-pointer2018081920180818
802516? ? ?? ? ?refgcc_-O3_-fomit-frame-pointer2018081920180818
885132? ? ?? ? ?refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv2018081920180818
885524? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-Os_-fomit-frame-pointer2018081920180818
885600? ? ?? ? ?refgcc_-m64_-march=core-avx2_-Os_-fomit-frame-pointer2018081920180818
885816? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer2018081920180818
886132? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-Os_-fomit-frame-pointer2018081920180818
888364? ? ?? ? ?refgcc_-Os_-fomit-frame-pointer2018081920180818
888892? ? ?? ? ?refgcc_-m64_-march=corei7_-Os_-fomit-frame-pointer2018081920180818
890508? ? ?? ? ?refgcc_-march=k8_-Os_-fomit-frame-pointer2018081920180818
890716? ? ?? ? ?refgcc_-m64_-march=k8_-Os_-fomit-frame-pointer2018081920180818
893248? ? ?? ? ?refgcc_-m64_-Os_-fomit-frame-pointer2018081920180818
897360? ? ?? ? ?refgcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer2018081920180818
899892? ? ?? ? ?refgcc_-march=barcelona_-Os_-fomit-frame-pointer2018081920180818
905564? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer2018081920180818
907292? ? ?? ? ?refgcc_-march=nocona_-Os_-fomit-frame-pointer2018081920180818
907704? ? ?? ? ?refgcc_-m64_-march=nocona_-Os_-fomit-frame-pointer2018081920180818
920996? ? ?? ? ?refgcc_-m64_-march=core2_-Os_-fomit-frame-pointer2018081920180818
1011888? ? ?? ? ?refgcc_-fno-schedule-insns_-Os_-fomit-frame-pointer2018081920180818
1015664? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2018081920180818
1210712? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer2018081920180818
1211808? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer2018081920180818
1217612? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer2018081920180818
1217700? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer2018081920180818
1223116? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer2018081920180818
1225804? ? ?? ? ?refgcc_-funroll-loops_-Os_-fomit-frame-pointer2018081920180818
1231464? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer2018081920180818
1232216? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer2018081920180818
1233616? ? ?? ? ?refgcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer2018081920180818
1770628? ? ?? ? ?refgcc2018081920180818
1772524? ? ?? ? ?refcc2018081920180818
1781808? ? ?? ? ?refgcc_-funroll-loops2018081920180818

Compiler output

Implementation: ref
Security model: unknown
Compiler: gcc
cloc.c: cloc.c: In function 'process_ad':
cloc.c: cloc.c:64:3: warning: implicit declaration of function 'pstate2'; did you mean 'pstate'? [-Wimplicit-function-declaration]
cloc.c: pstate2("After xoring associated data:", state);
cloc.c: ^~~~~~~
cloc.c: pstate

Number of similar (compiler,implementation) pairs: 106, namely:
CompilerImplementations
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=core-avx-i -O2 -fomit-frame-pointer ref
gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer ref
gcc -m64 -march=core-avx-i -O -fomit-frame-pointer ref
gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer ref
gcc -m64 -march=core-avx2 -O2 -fomit-frame-pointer ref
gcc -m64 -march=core-avx2 -O3 -fomit-frame-pointer ref
gcc -m64 -march=core-avx2 -O -fomit-frame-pointer ref
gcc -m64 -march=core-avx2 -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=corei7-avx -O2 -fomit-frame-pointer ref
gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer ref
gcc -m64 -march=corei7-avx -O -fomit-frame-pointer ref
gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer ref
gcc -m64 -march=corei7 -O2 -fomit-frame-pointer ref
gcc -m64 -march=corei7 -O3 -fomit-frame-pointer ref
gcc -m64 -march=corei7 -O -fomit-frame-pointer ref
gcc -m64 -march=corei7 -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: ref
Security model: unknown
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer
cloc.c: cloc.c: In function 'process_ad':
cloc.c: cloc.c:64:3: warning: implicit declaration of function 'pstate2'; did you mean 'pstate'? [-Wimplicit-function-declaration]
cloc.c: pstate2("After xoring associated data:", state);
cloc.c: ^~~~~~~
cloc.c: pstate
cloc.c: cloc.c: In function 'process_ad':
cloc.c: cloc.c:64:3: warning: implicit declaration of function 'pstate2'; did you mean 'pstate'? [-Wimplicit-function-declaration]
cloc.c: pstate2("After xoring associated data:", state);
cloc.c: ^~~~~~~
cloc.c: pstate

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

Compiler output

Implementation: ref
Security model: unknown
Compiler: icc
cloc.c: cloc.c(64): warning #266: function "pstate2" declared implicitly
cloc.c: pstate2("After xoring associated data:", state);
cloc.c: ^
cloc.c:
cloc.c: cloc.c(72): warning #266: function "pstate2" declared implicitly
cloc.c: pstate2("After processing last partial associated data block:", state);
cloc.c: ^
cloc.c:
cloc.c: cloc.c(93): warning #266: function "pstate2" declared implicitly
cloc.c: pstate2("After applying f1/f2 to state:", state);
cloc.c: ^
cloc.c:
cloc.c: cloc.c(133): warning #266: function "pstate2" declared implicitly
cloc.c: pstate2("After xoring message block:", es);
cloc.c: ^
cloc.c:
cloc.c: cloc.c(138): warning #266: function "pstate2" declared implicitly
cloc.c: pstate2("After xoring ciphertext block:", es);
cloc.c: ^
cloc.c:
cloc.c: cloc.c(145): warning #266: function "pstate2" declared implicitly
cloc.c: pstate2("After applying fix1:", es);
cloc.c: ^
cloc.c:
cloc.c: cloc.c(154): warning #266: function "pstate2" declared implicitly
cloc.c: ...

Number of similar (compiler,implementation) pairs: 12, namely:
CompilerImplementations
icc ref
icc -no-vec ref
icc -xAVX -O2 -fomit-frame-pointer ref
icc -xAVX -O3 -fomit-frame-pointer ref
icc -xCORE-AVX-I -O2 -fomit-frame-pointer ref
icc -xCORE-AVX-I -O3 -fomit-frame-pointer ref
icc -xCORE-AVX2 -O2 -fomit-frame-pointer ref
icc -xCORE-AVX2 -O3 -fomit-frame-pointer ref
icc -xSSE4.1 -O2 -fomit-frame-pointer ref
icc -xSSE4.1 -O3 -fomit-frame-pointer ref
icc -xSSE4.2 -O2 -fomit-frame-pointer ref
icc -xSSE4.2 -O3 -fomit-frame-pointer ref