Implementation notes: amd64, hydra6, crypto_aead/aes128n12silcv1

Computer: hydra6
Architecture: amd64
CPU ID: AuthenticAMD-00600f12-178bfbff
SUPERCOP version: 20171218
Operation: crypto_aead
Primitive: aes128n12silcv1
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
205560? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer2017090620170725
205700? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer2017090620170725
205889? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer2017090620170725
205899? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer2017090620170725
206196? ? ?? ? ?refgcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer2017090620170725
206261? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer2017090620170725
206368? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer2017090620170725
206584? ? ?? ? ?refgcc_-funroll-loops_-O3_-fomit-frame-pointer2017090620170725
206638? ? ?? ? ?refgcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer2017090620170725
206947? ? ?? ? ?refgcc_-funroll-loops_-O2_-fomit-frame-pointer2017090620170725
206952? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer2017090620170725
206989? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer2017090620170725
207270? ? ?? ? ?refclang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017090620170725
207386? ? ?? ? ?refclang_-O3_-fomit-frame-pointer_-Qunused-arguments2017090620170725
207472? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer2017090620170725
207504? ? ?? ? ?refclang_-mcpu=cortex-a9_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017090620170725
207552? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer2017090620170725
210962? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer2017090620170725
211142? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer2017090620170725
211334? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer2017090620170725
211514? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer2017090620170725
219574? ? ?? ? ?refclang_-mcpu=cortex-a8_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017090620170725
219648? ? ?? ? ?refclang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments2017090620170725
219780? ? ?? ? ?refclang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments2017090620170725
223234? ? ?? ? ?refgcc_-m64_-march=corei7_-O2_-fomit-frame-pointer2017090620170725
223276? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O2_-fomit-frame-pointer2017090620170725
223286? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O2_-fomit-frame-pointer2017090620170725
223380? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2017090620170725
223628? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer2017090620170725
223752? ? ?? ? ?refgcc_-fno-schedule-insns_-O2_-fomit-frame-pointer2017090620170725
223946? ? ?? ? ?refgcc_-m64_-O2_-fomit-frame-pointer2017090620170725
223970? ? ?? ? ?refgcc_-O2_-fomit-frame-pointer2017090620170725
224757? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer2017090620170725
224992? ? ?? ? ?refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv2017090620170725
225324? ? ?? ? ?refgcc_-m64_-march=core2_-O2_-fomit-frame-pointer2017090620170725
225444? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer2017090620170725
225630? ? ?? ? ?refgcc_-march=barcelona_-O2_-fomit-frame-pointer2017090620170725
225910? ? ?? ? ?refgcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer2017090620170725
226118? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O3_-fomit-frame-pointer2017090620170725
226200? ? ?? ? ?refgcc_-march=k8_-O3_-fomit-frame-pointer2017090620170725
226226? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O3_-fomit-frame-pointer2017090620170725
226306? ? ?? ? ?refgcc_-m64_-march=k8_-O3_-fomit-frame-pointer2017090620170725
226438? ? ?? ? ?refgcc_-fno-schedule-insns_-O3_-fomit-frame-pointer2017090620170725
226450? ? ?? ? ?refgcc_-O3_-fomit-frame-pointer2017090620170725
226482? ? ?? ? ?refgcc_-m64_-O3_-fomit-frame-pointer2017090620170725
226686? ? ?? ? ?refgcc_-march=barcelona_-O3_-fomit-frame-pointer2017090620170725
226752? ? ?? ? ?refgcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer2017090620170725
226900? ? ?? ? ?refgcc_-m64_-march=core2_-O3_-fomit-frame-pointer2017090620170725
226968? ? ?? ? ?refgcc_-m64_-march=corei7_-O3_-fomit-frame-pointer2017090620170725
227396? ? ?? ? ?refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv2017090620170725
227811? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer2017090620170725
228246? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer2017090620170725
228480? ? ?? ? ?refgcc_-m64_-march=k8_-O2_-fomit-frame-pointer2017090620170725
228840? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer2017090620170725
228862? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer2017090620170725
229017? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer2017090620170725
229138? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer2017090620170725
229497? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer2017090620170725
229592? ? ?? ? ?refgcc_-march=nocona_-O2_-fomit-frame-pointer2017090620170725
229594? ? ?? ? ?refgcc_-m64_-march=nocona_-O2_-fomit-frame-pointer2017090620170725
229596? ? ?? ? ?refgcc_-funroll-loops_-O_-fomit-frame-pointer2017090620170725
229932? ? ?? ? ?refgcc_-funroll-loops_-m64_-O_-fomit-frame-pointer2017090620170725
235080? ? ?? ? ?refgcc_-march=nocona_-O3_-fomit-frame-pointer2017090620170725
235122? ? ?? ? ?refgcc_-m64_-march=nocona_-O3_-fomit-frame-pointer2017090620170725
238038? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer2017090620170725
238058? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer2017090620170725
238086? ? ?? ? ?refgcc_-funroll-loops_-Os_-fomit-frame-pointer2017090620170725
238170? ? ?? ? ?refgcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer2017090620170725
238306? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer2017090620170725
238894? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer2017090620170725
240646? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer2017090620170725
241524? ? ?? ? ?refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv2017090620170725
241791? ? ?? ? ?refgcc_-m64_-march=k8_-Os_-fomit-frame-pointer2017090620170725
241838? ? ?? ? ?refgcc_-Os_-fomit-frame-pointer2017090620170725
241842? ? ?? ? ?refgcc_-m64_-Os_-fomit-frame-pointer2017090620170725
241845? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer2017090620170725
241862? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-Os_-fomit-frame-pointer2017090620170725
241886? ? ?? ? ?refgcc_-march=barcelona_-Os_-fomit-frame-pointer2017090620170725
241906? ? ?? ? ?refgcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer2017090620170725
242016? ? ?? ? ?refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017090620170725
242044? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-Os_-fomit-frame-pointer2017090620170725
242096? ? ?? ? ?refgcc_-march=k8_-Os_-fomit-frame-pointer2017090620170725
242134? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2017090620170725
242164? ? ?? ? ?refgcc_-fno-schedule-insns_-Os_-fomit-frame-pointer2017090620170725
242214? ? ?? ? ?refgcc_-m64_-march=core2_-Os_-fomit-frame-pointer2017090620170725
242342? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer2017090620170725
242524? ? ?? ? ?refclang_-O3_-fwrapv_-march=native_-fomit-frame-pointer_-Qunused-arguments2017090620170725
243258? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer2017090620170725
243260? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer2017090620170725
244620? ? ?? ? ?refgcc_-march=nocona_-Os_-fomit-frame-pointer2017090620170725
244948? ? ?? ? ?refgcc_-m64_-march=corei7_-Os_-fomit-frame-pointer2017090620170725
244970? ? ?? ? ?refgcc_-m64_-march=nocona_-Os_-fomit-frame-pointer2017090620170725
245826? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer2017090620170725
246638? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer2017090620170725
246746? ? ?? ? ?refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv2017090620170725
248320? ? ?? ? ?refgcc_-m64_-march=k8_-O_-fomit-frame-pointer2017090620170725
248593? ? ?? ? ?refgcc_-march=k8_-O_-fomit-frame-pointer2017090620170725
248828? ? ?? ? ?refgcc_-march=barcelona_-O_-fomit-frame-pointer2017090620170725
248862? ? ?? ? ?refgcc_-m64_-march=barcelona_-O_-fomit-frame-pointer2017090620170725
249025? ? ?? ? ?refgcc_-march=nocona_-O_-fomit-frame-pointer2017090620170725
249142? ? ?? ? ?refgcc_-m64_-march=nocona_-O_-fomit-frame-pointer2017090620170725
250060? ? ?? ? ?refgcc_-m64_-O_-fomit-frame-pointer2017090620170725
250075? ? ?? ? ?refgcc_-fno-schedule-insns_-O_-fomit-frame-pointer2017090620170725
250210? ? ?? ? ?refgcc_-O_-fomit-frame-pointer2017090620170725
250738? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer2017090620170725
250918? ? ?? ? ?refgcc_-m64_-march=core2_-O_-fomit-frame-pointer2017090620170725
250956? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer2017090620170725
253259? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O_-fomit-frame-pointer2017090620170725
253291? ? ?? ? ?refgcc_-m64_-march=corei7_-O_-fomit-frame-pointer2017090620170725
253306? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O_-fomit-frame-pointer2017090620170725
295900? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer2017090620170725
305148? ? ?? ? ?refgcc_-march=k8_-O2_-fomit-frame-pointer2017090620170725
547900? ? ?? ? ?refcc2017090620170725
553186? ? ?? ? ?refgcc2017090620170725
556036? ? ?? ? ?refgcc_-funroll-loops2017090620170725

Test failure

Implementation: crypto_aead/aes128n12silcv1/ref
Compiler: gcc -m64 -march=core-avx2 -O2 -fomit-frame-pointer
error 111

Number of similar (compiler,implementation) pairs: 3, namely:
CompilerImplementations
gcc -m64 -march=core-avx2 -O2 -fomit-frame-pointer ref
gcc -m64 -march=core-avx2 -O -fomit-frame-pointer ref
gcc -m64 -march=core-avx2 -Os -fomit-frame-pointer ref

Compiler output

Implementation: crypto_aead/aes128n12silcv1/ref
Compiler: cc
silc.c: silc.c: In function 'process_ad':
silc.c: silc.c:39:2: warning: implicit declaration of function 'pstate2' [-Wimplicit-function-declaration]
silc.c: pstate2("processing nonce:", NULL);
silc.c: ^

Number of similar (compiler,implementation) pairs: 106, 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=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 -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: crypto_aead/aes128n12silcv1/ref
Compiler: clang -O3 -fomit-frame-pointer -Qunused-arguments
silc.c: silc.c:39:2: warning: implicit declaration of function 'pstate2' is invalid in C99 [-Wimplicit-function-declaration]
silc.c: pstate2("processing nonce:", NULL);
silc.c: ^
silc.c: 1 warning generated.

Number of similar (compiler,implementation) pairs: 8, namely:
CompilerImplementations
clang -O3 -fomit-frame-pointer -Qunused-arguments ref
clang -O3 -fwrapv -march=native -fomit-frame-pointer -Qunused-arguments ref
clang -O3 -fwrapv -mavx -fomit-frame-pointer -Qunused-arguments ref
clang -O3 -fwrapv -mavx -maes -mpclmul -fomit-frame-pointer -Qunused-arguments ref
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments ref
clang -mcpu=cortex-a8 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments ref
clang -mcpu=cortex-a9 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments ref
clang -mcpu=native -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments ref

Compiler output

Implementation: crypto_aead/aes128n12silcv1/ref
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer
silc.c: silc.c: In function 'process_ad':
silc.c: silc.c:39:2: warning: implicit declaration of function 'pstate2' [-Wimplicit-function-declaration]
silc.c: pstate2("processing nonce:", NULL);
silc.c: ^
silc.c: silc.c: In function 'process_ad':
silc.c: silc.c:39:2: warning: implicit declaration of function 'pstate2' [-Wimplicit-function-declaration]
silc.c: pstate2("processing nonce:", NULL);
silc.c: ^

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