Implementation notes: amd64, cryptothinkx, crypto_sign/sflashv2

Computer: cryptothinkx
Architecture: amd64
CPU ID: GenuineIntel-00040651-bfebfbff
SUPERCOP version: 20170105
Operation: crypto_sign
Primitive: sflashv2

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
171480	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer`	20170216	20170105
181359	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-O2_-fomit-frame-pointer`	20170216	20170105
181464	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20170216	20170105
181635	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer`	20170216	20170105
181920	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer`	20170216	20170105
182352	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer`	20170216	20170105
182817	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer`	20170216	20170105
188637	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer`	20170216	20170105
192426	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-O3_-fomit-frame-pointer`	20170216	20170105
192975	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20170216	20170105
195855	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer`	20170216	20170105
200358	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer`	20170216	20170105
200955	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer`	20170216	20170105
202284	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer`	20170216	20170105
203478	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer`	20170216	20170105
203640	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer`	20170216	20170105
209340	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer`	20170216	20170105
213711	? ? ?	? ? ?	`ref`	`gcc_-march=nocona_-O2_-fomit-frame-pointer`	20170216	20170105
213729	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=nocona_-O2_-fomit-frame-pointer`	20170216	20170105
214287	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=k8_-O2_-fomit-frame-pointer`	20170216	20170105
214539	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-O2_-fomit-frame-pointer`	20170216	20170105
215157	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer`	20170216	20170105
216870	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer`	20170216	20170105
217542	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer`	20170216	20170105
225906	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core-avx2_-O2_-fomit-frame-pointer`	20170216	20170105
226476	? ? ?	? ? ?	`ref`	`gcc_-O2_-fomit-frame-pointer`	20170216	20170105
227310	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=corei7-avx_-O2_-fomit-frame-pointer`	20170216	20170105
229431	? ? ?	? ? ?	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv`	20170216	20170105
234297	? ? ?	? ? ?	`ref`	`clang_-O3_-fomit-frame-pointer_-Qunused-arguments`	20170216	20170105
234591	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20170216	20170105
234744	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core-avx-i_-O2_-fomit-frame-pointer`	20170216	20170105
234954	? ? ?	? ? ?	`ref`	`gcc_-m64_-O2_-fomit-frame-pointer`	20170216	20170105
236856	? ? ?	? ? ?	`ref`	`gcc_-march=barcelona_-O2_-fomit-frame-pointer`	20170216	20170105
237249	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer`	20170216	20170105
238116	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=corei7_-O2_-fomit-frame-pointer`	20170216	20170105
238644	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer`	20170216	20170105
240474	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-O3_-fomit-frame-pointer`	20170216	20170105
240681	? ? ?	? ? ?	`ref`	`clang_-mcpu=cortex-a9_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20170216	20170105
240726	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer`	20170216	20170105
240852	? ? ?	? ? ?	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20170216	20170105
241839	? ? ?	? ? ?	`ref`	`clang_-O3_-fwrapv_-mavx2_-fomit-frame-pointer_-Qunused-arguments`	20170216	20170105
242430	? ? ?	? ? ?	`ref`	`clang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments`	20170216	20170105
244785	? ? ?	? ? ?	`ref`	`clang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments`	20170216	20170105
245152	? ? ?	? ? ?	`ref`	`gcc_-march=k8_-O2_-fomit-frame-pointer`	20170216	20170105
248511	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer`	20170216	20170105
248865	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer`	20170216	20170105
248997	? ? ?	? ? ?	`ref`	`gcc_-march=nocona_-O3_-fomit-frame-pointer`	20170216	20170105
249429	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer`	20170216	20170105
249729	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=nocona_-O3_-fomit-frame-pointer`	20170216	20170105
249870	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer`	20170216	20170105
251469	? ? ?	? ? ?	`ref`	`gcc_-O3_-fomit-frame-pointer`	20170216	20170105
252312	? ? ?	? ? ?	`ref`	`gcc_-march=k8_-Os_-fomit-frame-pointer`	20170216	20170105
253104	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer`	20170216	20170105
256800	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=k8_-O3_-fomit-frame-pointer`	20170216	20170105
258249	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=corei7-avx_-O3_-fomit-frame-pointer`	20170216	20170105
258342	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-O_-fomit-frame-pointer`	20170216	20170105
259050	? ? ?	? ? ?	`ref`	`gcc_-m64_-O3_-fomit-frame-pointer`	20170216	20170105
259080	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20170216	20170105
260067	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer`	20170216	20170105
260364	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core-avx2_-Os_-fomit-frame-pointer`	20170216	20170105
260763	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer`	20170216	20170105
261984	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=nocona_-O_-fomit-frame-pointer`	20170216	20170105
264552	? ? ?	? ? ?	`ref`	`gcc_-march=barcelona_-O3_-fomit-frame-pointer`	20170216	20170105
264720	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=corei7_-O3_-fomit-frame-pointer`	20170216	20170105
265077	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer`	20170216	20170105
265932	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-Os_-fomit-frame-pointer`	20170216	20170105
266340	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer`	20170216	20170105
266439	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer`	20170216	20170105
266448	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=corei7-avx_-Os_-fomit-frame-pointer`	20170216	20170105
267280	? ? ?	? ? ?	`ref`	`clang_-O3_-fwrapv_-march=native_-fomit-frame-pointer_-Qunused-arguments`	20170216	20170105
267492	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer`	20170216	20170105
268092	? ? ?	? ? ?	`ref`	`gcc_-march=nocona_-Os_-fomit-frame-pointer`	20170216	20170105
268539	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core-avx-i_-Os_-fomit-frame-pointer`	20170216	20170105
268572	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=nocona_-Os_-fomit-frame-pointer`	20170216	20170105
269262	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=k8_-Os_-fomit-frame-pointer`	20170216	20170105
269730	? ? ?	? ? ?	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv`	20170216	20170105
269883	? ? ?	? ? ?	`ref`	`gcc_-march=barcelona_-Os_-fomit-frame-pointer`	20170216	20170105
270936	? ? ?	? ? ?	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv`	20170216	20170105
271128	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer`	20170216	20170105
271548	? ? ?	? ? ?	`ref`	`clang_-O3_-fwrapv_-march=x86-64_-mcpu=core-avx2_-mavx2_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments`	20170216	20170105
272304	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer`	20170216	20170105
274428	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer`	20170216	20170105
275385	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-O_-fomit-frame-pointer`	20170216	20170105
275769	? ? ?	? ? ?	`ref`	`gcc_-march=k8_-O3_-fomit-frame-pointer`	20170216	20170105
276204	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core-avx2_-O3_-fomit-frame-pointer`	20170216	20170105
276429	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core-avx-i_-O3_-fomit-frame-pointer`	20170216	20170105
277290	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer`	20170216	20170105
277641	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer`	20170216	20170105
279033	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer`	20170216	20170105
279291	? ? ?	? ? ?	`ref`	`gcc_-Os_-fomit-frame-pointer`	20170216	20170105
280074	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer`	20170216	20170105
280209	? ? ?	? ? ?	`ref`	`gcc_-m64_-O_-fomit-frame-pointer`	20170216	20170105
283206	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core-avx2_-O_-fomit-frame-pointer`	20170216	20170105
284529	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer`	20170216	20170105
286880	? ? ?	? ? ?	`ref`	`clang_-mcpu=cortex-a8_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20170216	20170105
287222	? ? ?	? ? ?	`ref`	`clang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20170216	20170105
287628	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer`	20170216	20170105
287793	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-Os_-fomit-frame-pointer`	20170216	20170105
288237	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=corei7_-Os_-fomit-frame-pointer`	20170216	20170105
289035	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20170216	20170105
289563	? ? ?	? ? ?	`ref`	`gcc_-march=nocona_-O_-fomit-frame-pointer`	20170216	20170105
290220	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-O_-fomit-frame-pointer`	20170216	20170105
293571	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=corei7_-O_-fomit-frame-pointer`	20170216	20170105
293979	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer`	20170216	20170105
297688	? ? ?	? ? ?	`ref`	`gcc_-m64_-Os_-fomit-frame-pointer`	20170216	20170105
297699	? ? ?	? ? ?	`ref`	`gcc_-march=barcelona_-O_-fomit-frame-pointer`	20170216	20170105
298980	? ? ?	? ? ?	`ref`	`gcc_-O_-fomit-frame-pointer`	20170216	20170105
301878	? ? ?	? ? ?	`ref`	`gcc_-march=k8_-O_-fomit-frame-pointer`	20170216	20170105
302295	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer`	20170216	20170105
303588	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer`	20170216	20170105
304719	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core-avx-i_-O_-fomit-frame-pointer`	20170216	20170105
304788	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=k8_-O_-fomit-frame-pointer`	20170216	20170105
307494	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=barcelona_-O_-fomit-frame-pointer`	20170216	20170105
310158	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer`	20170216	20170105
315376	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20170216	20170105
315840	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-O_-fomit-frame-pointer`	20170216	20170105
315976	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer`	20170216	20170105
316956	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer`	20170216	20170105
319041	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=barcelona_-O_-fomit-frame-pointer`	20170216	20170105
320506	? ? ?	? ? ?	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv`	20170216	20170105
323784	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer`	20170216	20170105
328128	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=corei7-avx_-O_-fomit-frame-pointer`	20170216	20170105
798789	? ? ?	? ? ?	`ref`	`cc`	20170216	20170105
799272	? ? ?	? ? ?	`ref`	`gcc`	20170216	20170105
915212	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops`	20170216	20170105

Compiler output

Implementation: crypto_sign/sflashv2/ref
Compiler: clang -O3 -fomit-frame-pointer -Qunused-arguments

lib_flash.c: lib_flash.c:409:50: warning: '/*' within block comment [-Wcomment]
lib_flash.c: init_table_flash(CK->M,/*CK->I,*/CK->M1/*,CK->M2/* /*,CK->M3*/);
lib_flash.c: ^
lib_flash.c: lib_flash.c:409:53: warning: '/*' within block comment [-Wcomment]
lib_flash.c: init_table_flash(CK->M,/*CK->I,*/CK->M1/*,CK->M2/* /*,CK->M3*/);
lib_flash.c: ^
lib_flash.c: lib_flash.c:690:3: warning: '/*' within block comment [-Wcomment]
lib_flash.c: /*mis <E0> la puissance 2^7^22 de tmp
lib_flash.c: ^
lib_flash.c: lib_flash.c:692:3: warning: '/*' within block comment [-Wcomment]
lib_flash.c: /*
lib_flash.c: ^
lib_flash.c: lib_flash.c:695:4: warning: '/*' within block comment [-Wcomment]
lib_flash.c: /* inversion affine de S*/
lib_flash.c: ^
lib_flash.c: lib_flash.c:910:34: warning: illegal character encoding in string literal [-Winvalid-source-encoding]
lib_flash.c: printf("Erreur de fichier de cl<82> publique: '%s'n",fichier);
lib_flash.c: ^~~~
lib_flash.c: lib_flash.c:1016:34: warning: illegal character encoding in string literal [-Winvalid-source-encoding]
lib_flash.c: printf("Erreur de fichier de cl<82> secr<8A>te: '%s'n",fichier);
lib_flash.c: ^~~~ ~~~~
lib_flash.c: 7 warnings generated.
table_flash.c: table_flash.c:25:8: warning: ^ has lower precedence than <; < will be evaluated first [-Wparentheses]
table_flash.c: if( x^P < x)
table_flash.c: ^~~~~~
table_flash.c: table_flash.c:25:8: note: place parentheses around the '<' expression to silence this warning
table_flash.c: if( x^P < x)
table_flash.c: ^
table_flash.c: ( )
table_flash.c: table_flash.c:25:8: note: place parentheses around the ^ expression to evaluate it first
table_flash.c: if( x^P < x)
table_flash.c: ^
table_flash.c: ( )
table_flash.c: 1 warning generated.

Number of similar (compiler,implementation) pairs: 10, namely:

Compiler	Implementations
clang -O3 -fomit-frame-pointer -Qunused-arguments	ref
clang -O3 -fwrapv -march=native -fomit-frame-pointer -Qunused-arguments	ref
clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fomit-frame-pointer -Qunused-arguments	ref
clang -O3 -fwrapv -mavx2 -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_sign/sflashv2/ref
Compiler: gcc -O2 -fomit-frame-pointer

Number of similar (compiler,implementation) pairs: 104, namely:

Compiler	Implementations
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 -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: crypto_sign/sflashv2/ref
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer

lib_flash.c: lib_flash.c: In function ‘Flash_load_public_key’:
lib_flash.c: lib_flash.c:913:2: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
lib_flash.c: fread(key,1,19266,in);
lib_flash.c: ^
lib_flash.c: lib_flash.c: In function ‘Flash_load_private_key’:
lib_flash.c: lib_flash.c:1019:2: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
lib_flash.c: fread(key,1,2823,in);
lib_flash.c: ^
lib_flash.c: lib_flash.c: In function ‘Flash_load_public_key’:
lib_flash.c: lib_flash.c:913:2: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
lib_flash.c: fread(key,1,19266,in);
lib_flash.c: ^
lib_flash.c: lib_flash.c: In function ‘Flash_load_private_key’:
lib_flash.c: lib_flash.c:1019:2: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
lib_flash.c: fread(key,1,2823,in);
lib_flash.c: ^

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
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