Implementation notes: amd64, hobbes, crypto_aead/aes128n12silcv1

Computer: hobbes
Architecture: amd64
CPU ID: AuthenticAMD-00600f20-178bfbff
SUPERCOP version: 20171218
Operation: crypto_aead
Primitive: aes128n12silcv1
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
182263? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer2017080820170725
182437? ? ?? ? ?refgcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer2017080820170725
182443? ? ?? ? ?refgcc_-funroll-loops_-O2_-fomit-frame-pointer2017080820170725
182826? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer2017080820170725
183035? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer2017080820170725
183091? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer2017080820170725
183581? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer2017080820170725
183602? ? ?? ? ?refgcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer2017080820170725
183679? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer2017080820170725
183723? ? ?? ? ?refgcc_-funroll-loops_-O3_-fomit-frame-pointer2017080820170725
184183? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer2017080820170725
184433? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer2017080820170725
185239? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer2017080820170725
185370? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer2017080820170725
186573? ? ?? ? ?refclang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017080820170725
186713? ? ?? ? ?refclang_-mcpu=cortex-a8_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017080820170725
186854? ? ?? ? ?refclang_-O3_-fomit-frame-pointer_-Qunused-arguments2017080820170725
187164? ? ?? ? ?refclang_-mcpu=cortex-a9_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017080820170725
190361? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer2017080820170725
190383? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer2017080820170725
190418? ? ?? ? ?refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv2017080820170725
190564? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer2017080820170725
190732? ? ?? ? ?refgcc_-m64_-O2_-fomit-frame-pointer2017080820170725
190783? ? ?? ? ?refgcc_-O2_-fomit-frame-pointer2017080820170725
190944? ? ?? ? ?refgcc_-fno-schedule-insns_-O2_-fomit-frame-pointer2017080820170725
191263? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer2017080820170725
191346? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer2017080820170725
192080? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O2_-fomit-frame-pointer2017080820170725
192202? ? ?? ? ?refgcc_-m64_-march=corei7_-O2_-fomit-frame-pointer2017080820170725
192320? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O2_-fomit-frame-pointer2017080820170725
192392? ? ?? ? ?refgcc_-m64_-march=core2_-O2_-fomit-frame-pointer2017080820170725
192641? ? ?? ? ?refgcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer2017080820170725
192825? ? ?? ? ?refgcc_-march=barcelona_-O2_-fomit-frame-pointer2017080820170725
193016? ? ?? ? ?refgcc_-O3_-fomit-frame-pointer2017080820170725
193025? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer2017080820170725
193220? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer2017080820170725
193227? ? ?? ? ?refgcc_-m64_-O3_-fomit-frame-pointer2017080820170725
193265? ? ?? ? ?refgcc_-fno-schedule-insns_-O3_-fomit-frame-pointer2017080820170725
193275? ? ?? ? ?refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv2017080820170725
193527? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2017080820170725
193557? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer2017080820170725
193819? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O3_-fomit-frame-pointer2017080820170725
193859? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O3_-fomit-frame-pointer2017080820170725
194368? ? ?? ? ?refgcc_-m64_-march=core2_-O3_-fomit-frame-pointer2017080820170725
194449? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer2017080820170725
194461? ? ?? ? ?refgcc_-march=barcelona_-O3_-fomit-frame-pointer2017080820170725
194481? ? ?? ? ?refgcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer2017080820170725
194488? ? ?? ? ?refgcc_-m64_-march=corei7_-O3_-fomit-frame-pointer2017080820170725
194622? ? ?? ? ?refgcc_-m64_-march=k8_-O3_-fomit-frame-pointer2017080820170725
194789? ? ?? ? ?refgcc_-march=k8_-O3_-fomit-frame-pointer2017080820170725
198778? ? ?? ? ?refgcc_-march=nocona_-O2_-fomit-frame-pointer2017080820170725
199156? ? ?? ? ?refgcc_-m64_-march=nocona_-O2_-fomit-frame-pointer2017080820170725
199287? ? ?? ? ?refclang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments2017080820170725
199598? ? ?? ? ?refclang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments2017080820170725
199939? ? ?? ? ?refgcc_-m64_-march=k8_-O2_-fomit-frame-pointer2017080820170725
200008? ? ?? ? ?refgcc_-march=k8_-O2_-fomit-frame-pointer2017080820170725
203337? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer2017080820170725
203402? ? ?? ? ?refgcc_-funroll-loops_-O_-fomit-frame-pointer2017080820170725
203439? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer2017080820170725
203451? ? ?? ? ?refgcc_-funroll-loops_-m64_-O_-fomit-frame-pointer2017080820170725
203510? ? ?? ? ?refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv2017080820170725
203937? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer2017080820170725
204145? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer2017080820170725
204418? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer2017080820170725
204884? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer2017080820170725
205091? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer2017080820170725
205353? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer2017080820170725
205573? ? ?? ? ?refgcc_-march=nocona_-O3_-fomit-frame-pointer2017080820170725
205979? ? ?? ? ?refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017080820170725
206193? ? ?? ? ?refclang_-O3_-fwrapv_-march=native_-fomit-frame-pointer_-Qunused-arguments2017080820170725
207845? ? ?? ? ?refgcc_-m64_-march=nocona_-O3_-fomit-frame-pointer2017080820170725
208692? ? ?? ? ?refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv2017080820170725
209320? ? ?? ? ?refgcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer2017080820170725
209366? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer2017080820170725
209421? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer2017080820170725
209454? ? ?? ? ?refgcc_-funroll-loops_-Os_-fomit-frame-pointer2017080820170725
209458? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer2017080820170725
209600? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer2017080820170725
209813? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer2017080820170725
211201? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-Os_-fomit-frame-pointer2017080820170725
212118? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2017080820170725
212610? ? ?? ? ?refgcc_-march=barcelona_-Os_-fomit-frame-pointer2017080820170725
212707? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer2017080820170725
212895? ? ?? ? ?refgcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer2017080820170725
212901? ? ?? ? ?refgcc_-m64_-march=core2_-Os_-fomit-frame-pointer2017080820170725
213145? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer2017080820170725
213247? ? ?? ? ?refgcc_-m64_-Os_-fomit-frame-pointer2017080820170725
213306? ? ?? ? ?refgcc_-march=k8_-Os_-fomit-frame-pointer2017080820170725
213451? ? ?? ? ?refgcc_-Os_-fomit-frame-pointer2017080820170725
213643? ? ?? ? ?refgcc_-m64_-march=corei7_-Os_-fomit-frame-pointer2017080820170725
213666? ? ?? ? ?refgcc_-fno-schedule-insns_-Os_-fomit-frame-pointer2017080820170725
214939? ? ?? ? ?refgcc_-march=nocona_-O_-fomit-frame-pointer2017080820170725
215031? ? ?? ? ?refgcc_-m64_-march=k8_-Os_-fomit-frame-pointer2017080820170725
215133? ? ?? ? ?refgcc_-m64_-march=nocona_-O_-fomit-frame-pointer2017080820170725
217054? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer2017080820170725
217590? ? ?? ? ?refgcc_-march=nocona_-Os_-fomit-frame-pointer2017080820170725
217889? ? ?? ? ?refgcc_-m64_-march=nocona_-Os_-fomit-frame-pointer2017080820170725
218148? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-Os_-fomit-frame-pointer2017080820170725
218317? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer2017080820170725
219802? ? ?? ? ?refgcc_-m64_-march=corei7_-O_-fomit-frame-pointer2017080820170725
219983? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O_-fomit-frame-pointer2017080820170725
220052? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O_-fomit-frame-pointer2017080820170725
220714? ? ?? ? ?refgcc_-march=k8_-O_-fomit-frame-pointer2017080820170725
221307? ? ?? ? ?refgcc_-m64_-march=k8_-O_-fomit-frame-pointer2017080820170725
221611? ? ?? ? ?refgcc_-O_-fomit-frame-pointer2017080820170725
221686? ? ?? ? ?refgcc_-m64_-O_-fomit-frame-pointer2017080820170725
221749? ? ?? ? ?refgcc_-fno-schedule-insns_-O_-fomit-frame-pointer2017080820170725
221762? ? ?? ? ?refgcc_-m64_-march=core2_-O_-fomit-frame-pointer2017080820170725
221870? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer2017080820170725
221936? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer2017080820170725
223228? ? ?? ? ?refgcc_-m64_-march=barcelona_-O_-fomit-frame-pointer2017080820170725
223349? ? ?? ? ?refgcc_-march=barcelona_-O_-fomit-frame-pointer2017080820170725
456842? ? ?? ? ?refcc2017080820170725
457684? ? ?? ? ?refgcc2017080820170725
475359? ? ?? ? ?refgcc_-funroll-loops2017080820170725

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