Implementation notes: armeabi, flops, crypto_core/salsa208

Computer: flops
Architecture: armeabi
CPU ID: unknown CPU ID
SUPERCOP version: 20140622
Operation: crypto_core
Primitive: salsa208

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
1224	`armneon2`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20140427	20140425
1224	`armneon2`	`gcc -mcpu=arm8 -O -fomit-frame-pointer`	20140427	20140425
1224	`armneon`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O2 -fomit-frame-pointer`	20140427	20140425
1224	`armneon`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O3 -fomit-frame-pointer`	20140427	20140425
1224	`armneon`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -Os -fomit-frame-pointer`	20140427	20140425
1224	`armneon`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O3 -fomit-frame-pointer`	20140427	20140425
1231	`armneon2`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O3 -fomit-frame-pointer`	20140427	20140425
1232	`armneon2`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -Os -fomit-frame-pointer`	20140427	20140425
1236	`armneon2`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20140427	20140425
1238	`armneon2`	`gcc -O3 -fomit-frame-pointer`	20140427	20140425
1238	`armneon2`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20140427	20140425
1238	`armneon2`	`gcc -mcpu=cortex-a5 -O2 -fomit-frame-pointer`	20140427	20140425
1238	`armneon2`	`gcc -mcpu=cortex-a5 -Os -fomit-frame-pointer`	20140427	20140425
1238	`armneon2`	`gcc -mcpu=cortex-a9 -Os -fomit-frame-pointer`	20140427	20140425
1243	`armneon2`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20140427	20140425
1244	`armneon2`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20140427	20140425
1244	`armneon2`	`gcc -mcpu=arm810 -Os -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -O -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -Os -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -mcpu=arm810 -O2 -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -mcpu=arm810 -O3 -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -mcpu=arm810 -O -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -mcpu=arm8 -O2 -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -mcpu=arm8 -Os -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O2 -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O3 -fomit-frame-pointer`	20140427	20140425
1246	`armneon`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O2 -fomit-frame-pointer`	20140427	20140425
1246	`armneon`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -Os -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -mcpu=strongarm1100 -O3 -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -mcpu=strongarm1100 -O -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -mcpu=strongarm1100 -Os -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -mcpu=strongarm110 -O2 -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -mcpu=strongarm110 -O -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -mcpu=strongarm110 -Os -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -mcpu=strongarm -O2 -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -mcpu=strongarm -O -fomit-frame-pointer`	20140427	20140425
1246	`armneon2`	`gcc -mcpu=strongarm -Os -fomit-frame-pointer`	20140427	20140425
1247	`armneon2`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20140427	20140425
1247	`armneon2`	`gcc -mcpu=cortex-a9 -O3 -fomit-frame-pointer`	20140427	20140425
1248	`armneon2`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20140427	20140425
1250	`armneon2`	`gcc -mcpu=strongarm110 -O3 -fomit-frame-pointer`	20140427	20140425
1252	`armneon2`	`gcc -mcpu=arm8 -O3 -fomit-frame-pointer`	20140427	20140425
1252	`armneon2`	`gcc -mcpu=cortex-a5 -O -fomit-frame-pointer`	20140427	20140425
1252	`armneon2`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O -fomit-frame-pointer`	20140427	20140425
1252	`armneon2`	`gcc -mcpu=cortex-a9 -O -fomit-frame-pointer`	20140427	20140425
1252	`armneon2`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O -fomit-frame-pointer`	20140427	20140425
1252	`armneon2`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -Os -fomit-frame-pointer`	20140427	20140425
1252	`armneon2`	`gcc -mcpu=strongarm1100 -O2 -fomit-frame-pointer`	20140427	20140425
1255	`armneon2`	`gcc -funroll-loops -O -fomit-frame-pointer`	20140427	20140425
1260	`armneon2`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20140427	20140425
1260	`armneon2`	`gcc -mcpu=cortex-a5 -O3 -fomit-frame-pointer`	20140427	20140425
1260	`armneon2`	`gcc -mcpu=strongarm -O3 -fomit-frame-pointer`	20140427	20140425
1264	`armneon2`	`gcc -O2 -fomit-frame-pointer`	20140427	20140425
1266	`armneon2`	`gcc -mcpu=cortex-a9 -O2 -fomit-frame-pointer`	20140427	20140425
1266	`armneon`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O -fomit-frame-pointer`	20140427	20140425
1267	`armneon2`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O2 -fomit-frame-pointer`	20140427	20140425
1274	`armneon`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O -fomit-frame-pointer`	20140427	20140425
1280	`armneon2`	`cc`	20140427	20140425
1280	`armneon2`	`gcc`	20140427	20140425
1294	`armneon2`	`gcc -funroll-loops`	20140427	20140425
1376	`ref`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20140427	20140425
1390	`ref`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20140427	20140425
1418	`ref`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20140427	20140425
1468	`ref`	`gcc -O2 -fomit-frame-pointer`	20140427	20140425
1482	`ref`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O2 -fomit-frame-pointer`	20140427	20140425
1484	`ref`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20140427	20140425
1513	`ref`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20140427	20140425
1533	`ref`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20140427	20140425
1534	`ref`	`gcc -O3 -fomit-frame-pointer`	20140427	20140425
1542	`ref`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O3 -fomit-frame-pointer`	20140427	20140425
1570	`ref`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -Os -fomit-frame-pointer`	20140427	20140425
1576	`ref`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20140427	20140425
1576	`ref`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20140427	20140425
1582	`ref`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20140427	20140425
1590	`ref`	`gcc -mcpu=cortex-a9 -O2 -fomit-frame-pointer`	20140427	20140425
1592	`ref`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O2 -fomit-frame-pointer`	20140427	20140425
1592	`ref`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -Os -fomit-frame-pointer`	20140427	20140425
1606	`ref`	`gcc -Os -fomit-frame-pointer`	20140427	20140425
1606	`ref`	`gcc -mcpu=cortex-a9 -O3 -fomit-frame-pointer`	20140427	20140425
1606	`ref`	`gcc -mcpu=cortex-a9 -Os -fomit-frame-pointer`	20140427	20140425
1612	`ref`	`gcc -mcpu=cortex-a5 -Os -fomit-frame-pointer`	20140427	20140425
1626	`ref`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O3 -fomit-frame-pointer`	20140427	20140425
1628	`ref`	`gcc -mcpu=strongarm110 -Os -fomit-frame-pointer`	20140427	20140425
1634	`ref`	`gcc -mcpu=arm810 -Os -fomit-frame-pointer`	20140427	20140425
1634	`ref`	`gcc -mcpu=arm8 -Os -fomit-frame-pointer`	20140427	20140425
1640	`ref`	`gcc -mcpu=strongarm -Os -fomit-frame-pointer`	20140427	20140425
1642	`ref`	`gcc -mcpu=strongarm1100 -Os -fomit-frame-pointer`	20140427	20140425
1664	`ref`	`gcc -mcpu=cortex-a5 -O3 -fomit-frame-pointer`	20140427	20140425
1722	`ref`	`gcc -mcpu=cortex-a5 -O2 -fomit-frame-pointer`	20140427	20140425
1726	`ref`	`gcc -mcpu=arm8 -O3 -fomit-frame-pointer`	20140427	20140425
1728	`ref`	`gcc -mcpu=arm810 -O3 -fomit-frame-pointer`	20140427	20140425
1728	`ref`	`gcc -mcpu=strongarm110 -O3 -fomit-frame-pointer`	20140427	20140425
1728	`ref`	`gcc -mcpu=strongarm -O3 -fomit-frame-pointer`	20140427	20140425
1734	`ref`	`gcc -mcpu=strongarm1100 -O3 -fomit-frame-pointer`	20140427	20140425
1742	`ref`	`gcc -mcpu=arm810 -O2 -fomit-frame-pointer`	20140427	20140425
1742	`ref`	`gcc -mcpu=strongarm1100 -O2 -fomit-frame-pointer`	20140427	20140425
1742	`ref`	`gcc -mcpu=strongarm -O2 -fomit-frame-pointer`	20140427	20140425
1750	`ref`	`gcc -mcpu=arm8 -O2 -fomit-frame-pointer`	20140427	20140425
1750	`ref`	`gcc -mcpu=strongarm110 -O2 -fomit-frame-pointer`	20140427	20140425
2160	`ref`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20140427	20140425
2168	`ref`	`gcc -mcpu=cortex-a9 -O -fomit-frame-pointer`	20140427	20140425
2170	`ref`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O -fomit-frame-pointer`	20140427	20140425
2172	`ref`	`gcc -O -fomit-frame-pointer`	20140427	20140425
2182	`ref`	`gcc -mcpu=cortex-a5 -O -fomit-frame-pointer`	20140427	20140425
2182	`ref`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O -fomit-frame-pointer`	20140427	20140425
2198	`ref`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20140427	20140425
2204	`ref`	`gcc -funroll-loops -O -fomit-frame-pointer`	20140427	20140425
2246	`ref`	`gcc -mcpu=strongarm110 -O -fomit-frame-pointer`	20140427	20140425
2254	`ref`	`gcc -mcpu=arm810 -O -fomit-frame-pointer`	20140427	20140425
2254	`ref`	`gcc -mcpu=arm8 -O -fomit-frame-pointer`	20140427	20140425
2260	`ref`	`gcc -mcpu=strongarm1100 -O -fomit-frame-pointer`	20140427	20140425
2260	`ref`	`gcc -mcpu=strongarm -O -fomit-frame-pointer`	20140427	20140425
6288	`ref`	`gcc -funroll-loops`	20140427	20140425
6292	`ref`	`gcc`	20140427	20140425
6306	`ref`	`cc`	20140427	20140425

Compiler output

Implementation: crypto_core/salsa208/armneon
Compiler: cc

core.c: In file included from core.c:9:0:
core.c: /usr/lib/gcc/arm-linux-gnueabihf/4.7/include/arm_neon.h:32:2: error: #error You must enable NEON instructions (e.g. -mfloat-abi=softfp -mfpu=neon) to use arm_neon.h
core.c: core.c: In function 'crypto_core_salsa208_armneon':
core.c: core.c:21:3: error: unknown type name 'uint32x4_t'
core.c: core.c:21:3: warning: excess elements in scalar initializer [enabled by default]
core.c: core.c:21:3: warning: (near initialization for 'abab') [enabled by default]
core.c: core.c:21:3: warning: excess elements in scalar initializer [enabled by default]
core.c: core.c:21:3: warning: (near initialization for 'abab') [enabled by default]
core.c: core.c:21:3: warning: excess elements in scalar initializer [enabled by default]
core.c: core.c:21:3: warning: (near initialization for 'abab') [enabled by default]
core.c: core.c:23:3: error: unknown type name 'uint32x4_t'
core.c: core.c:23:26: error: 'uint32x4_t' undeclared (first use in this function)
core.c: core.c:23:26: note: each undeclared identifier is reported only once for each function it appears in
core.c: core.c:23:38: error: expected ',' or ';' before 'vld1q_u8'
core.c: core.c:24:14: error: expected ';' before 'k4k5k6k7'
core.c: core.c:25:14: error: expected ';' before 'c0c1c2c3'
core.c: core.c:26:14: error: expected ';' before 'n0n1n2n3'
core.c: core.c:28:14: error: expected ';' before 'n1n2n3n0'
core.c: core.c:29:3: error: unknown type name 'uint32x2_t'
core.c: core.c:29:34: error: 'n1n2n3n0' undeclared (first use in this function)
core.c: core.c:30:3: error: unknown type name 'uint32x2_t'
core.c: core.c:31:3: error: unknown type name 'uint32x2_t'
core.c: core.c:32:3: error: unknown type name 'uint32x2_t'
core.c: core.c:33:3: error: unknown type name 'uint32x2_t'
core.c: core.c:33:34: error: 'k4k5k6k7' undeclared (first use in this function)
core.c: ...

Number of similar (compiler,implementation) pairs: 27, namely:

Compiler	Implementations
cc	armneon
gcc	armneon
gcc -O2 -fomit-frame-pointer	armneon
gcc -O3 -fomit-frame-pointer	armneon
gcc -O -fomit-frame-pointer	armneon
gcc -Os -fomit-frame-pointer	armneon
gcc -fno-schedule-insns -O2 -fomit-frame-pointer	armneon
gcc -fno-schedule-insns -O3 -fomit-frame-pointer	armneon
gcc -fno-schedule-insns -O -fomit-frame-pointer	armneon
gcc -fno-schedule-insns -Os -fomit-frame-pointer	armneon
gcc -funroll-loops	armneon
gcc -funroll-loops -O2 -fomit-frame-pointer	armneon
gcc -funroll-loops -O3 -fomit-frame-pointer	armneon
gcc -funroll-loops -O -fomit-frame-pointer	armneon
gcc -funroll-loops -Os -fomit-frame-pointer	armneon
gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer	armneon
gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer	armneon
gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer	armneon
gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer	armneon
gcc -mcpu=cortex-a5 -O2 -fomit-frame-pointer	armneon
gcc -mcpu=cortex-a5 -O3 -fomit-frame-pointer	armneon
gcc -mcpu=cortex-a5 -O -fomit-frame-pointer	armneon
gcc -mcpu=cortex-a5 -Os -fomit-frame-pointer	armneon
gcc -mcpu=cortex-a9 -O2 -fomit-frame-pointer	armneon
gcc -mcpu=cortex-a9 -O3 -fomit-frame-pointer	armneon
gcc -mcpu=cortex-a9 -O -fomit-frame-pointer	armneon
gcc -mcpu=cortex-a9 -Os -fomit-frame-pointer	armneon

Compiler output

Implementation: crypto_core/salsa208/armneon
Compiler: gcc -mcpu=arm810 -O2 -fomit-frame-pointer

core.c: core.c:1:0: warning: target CPU does not support THUMB instructions [enabled by default]
core.c: In file included from core.c:9:0:
core.c: /usr/lib/gcc/arm-linux-gnueabihf/4.7/include/arm_neon.h:32:2: error: #error You must enable NEON instructions (e.g. -mfloat-abi=softfp -mfpu=neon) to use arm_neon.h
core.c: core.c: In function 'crypto_core_salsa208_armneon':
core.c: core.c:21:3: error: unknown type name 'uint32x4_t'
core.c: core.c:21:3: warning: excess elements in scalar initializer [enabled by default]
core.c: core.c:21:3: warning: (near initialization for 'abab') [enabled by default]
core.c: core.c:21:3: warning: excess elements in scalar initializer [enabled by default]
core.c: core.c:21:3: warning: (near initialization for 'abab') [enabled by default]
core.c: core.c:21:3: warning: excess elements in scalar initializer [enabled by default]
core.c: core.c:21:3: warning: (near initialization for 'abab') [enabled by default]
core.c: core.c:23:3: error: unknown type name 'uint32x4_t'
core.c: core.c:23:26: error: 'uint32x4_t' undeclared (first use in this function)
core.c: core.c:23:26: note: each undeclared identifier is reported only once for each function it appears in
core.c: core.c:23:38: error: expected ',' or ';' before 'vld1q_u8'
core.c: core.c:24:14: error: expected ';' before 'k4k5k6k7'
core.c: core.c:25:14: error: expected ';' before 'c0c1c2c3'
core.c: core.c:26:14: error: expected ';' before 'n0n1n2n3'
core.c: core.c:28:14: error: expected ';' before 'n1n2n3n0'
core.c: core.c:29:3: error: unknown type name 'uint32x2_t'
core.c: core.c:29:34: error: 'n1n2n3n0' undeclared (first use in this function)
core.c: core.c:30:3: error: unknown type name 'uint32x2_t'
core.c: core.c:31:3: error: unknown type name 'uint32x2_t'
core.c: core.c:32:3: error: unknown type name 'uint32x2_t'
core.c: core.c:33:3: error: unknown type name 'uint32x2_t'
core.c: ...

Number of similar (compiler,implementation) pairs: 20, namely:

Compiler	Implementations
gcc -mcpu=arm810 -O2 -fomit-frame-pointer	armneon
gcc -mcpu=arm810 -O3 -fomit-frame-pointer	armneon
gcc -mcpu=arm810 -O -fomit-frame-pointer	armneon
gcc -mcpu=arm810 -Os -fomit-frame-pointer	armneon
gcc -mcpu=arm8 -O2 -fomit-frame-pointer	armneon
gcc -mcpu=arm8 -O3 -fomit-frame-pointer	armneon
gcc -mcpu=arm8 -O -fomit-frame-pointer	armneon
gcc -mcpu=arm8 -Os -fomit-frame-pointer	armneon
gcc -mcpu=strongarm1100 -O2 -fomit-frame-pointer	armneon
gcc -mcpu=strongarm1100 -O3 -fomit-frame-pointer	armneon
gcc -mcpu=strongarm1100 -O -fomit-frame-pointer	armneon
gcc -mcpu=strongarm1100 -Os -fomit-frame-pointer	armneon
gcc -mcpu=strongarm110 -O2 -fomit-frame-pointer	armneon
gcc -mcpu=strongarm110 -O3 -fomit-frame-pointer	armneon
gcc -mcpu=strongarm110 -O -fomit-frame-pointer	armneon
gcc -mcpu=strongarm110 -Os -fomit-frame-pointer	armneon
gcc -mcpu=strongarm -O2 -fomit-frame-pointer	armneon
gcc -mcpu=strongarm -O3 -fomit-frame-pointer	armneon
gcc -mcpu=strongarm -O -fomit-frame-pointer	armneon
gcc -mcpu=strongarm -Os -fomit-frame-pointer	armneon

Compiler output

Implementation: crypto_core/salsa208/ref
Compiler: gcc -mcpu=arm810 -O2 -fomit-frame-pointer

core.c: core.c:1:0: warning: target CPU does not support THUMB instructions [enabled by default]
try.c: try.c:1:0: warning: target CPU does not support THUMB instructions [enabled by default]
try.c: try-anything.c:1:0: warning: target CPU does not support THUMB instructions [enabled by default]
try.c: try.c:1:0: warning: target CPU does not support THUMB instructions [enabled by default]
try.c: try-anything.c:1:0: warning: target CPU does not support THUMB instructions [enabled by default]
measure.c: measure.c:1:0: warning: target CPU does not support THUMB instructions [enabled by default]
measure.c: measure-anything.c:1:0: warning: target CPU does not support THUMB instructions [enabled by default]

Number of similar (compiler,implementation) pairs: 20, namely:

Compiler	Implementations
gcc -mcpu=arm810 -O2 -fomit-frame-pointer	ref
gcc -mcpu=arm810 -O3 -fomit-frame-pointer	ref
gcc -mcpu=arm810 -O -fomit-frame-pointer	ref
gcc -mcpu=arm810 -Os -fomit-frame-pointer	ref
gcc -mcpu=arm8 -O2 -fomit-frame-pointer	ref
gcc -mcpu=arm8 -O3 -fomit-frame-pointer	ref
gcc -mcpu=arm8 -O -fomit-frame-pointer	ref
gcc -mcpu=arm8 -Os -fomit-frame-pointer	ref
gcc -mcpu=strongarm1100 -O2 -fomit-frame-pointer	ref
gcc -mcpu=strongarm1100 -O3 -fomit-frame-pointer	ref
gcc -mcpu=strongarm1100 -O -fomit-frame-pointer	ref
gcc -mcpu=strongarm1100 -Os -fomit-frame-pointer	ref
gcc -mcpu=strongarm110 -O2 -fomit-frame-pointer	ref
gcc -mcpu=strongarm110 -O3 -fomit-frame-pointer	ref
gcc -mcpu=strongarm110 -O -fomit-frame-pointer	ref
gcc -mcpu=strongarm110 -Os -fomit-frame-pointer	ref
gcc -mcpu=strongarm -O2 -fomit-frame-pointer	ref
gcc -mcpu=strongarm -O3 -fomit-frame-pointer	ref
gcc -mcpu=strongarm -O -fomit-frame-pointer	ref
gcc -mcpu=strongarm -Os -fomit-frame-pointer	ref

Compiler output

Implementation: crypto_core/salsa208/armneon2
Compiler: gcc -mcpu=arm810 -O2 -fomit-frame-pointer

try.c: try.c:1:0: warning: target CPU does not support THUMB instructions [enabled by default]
try.c: try-anything.c:1:0: warning: target CPU does not support THUMB instructions [enabled by default]
try.c: try.c:1:0: warning: target CPU does not support THUMB instructions [enabled by default]
try.c: try-anything.c:1:0: warning: target CPU does not support THUMB instructions [enabled by default]
measure.c: measure.c:1:0: warning: target CPU does not support THUMB instructions [enabled by default]
measure.c: measure-anything.c:1:0: warning: target CPU does not support THUMB instructions [enabled by default]

Number of similar (compiler,implementation) pairs: 20, namely:

Compiler	Implementations
gcc -mcpu=arm810 -O2 -fomit-frame-pointer	armneon2
gcc -mcpu=arm810 -O3 -fomit-frame-pointer	armneon2
gcc -mcpu=arm810 -O -fomit-frame-pointer	armneon2
gcc -mcpu=arm810 -Os -fomit-frame-pointer	armneon2
gcc -mcpu=arm8 -O2 -fomit-frame-pointer	armneon2
gcc -mcpu=arm8 -O3 -fomit-frame-pointer	armneon2
gcc -mcpu=arm8 -O -fomit-frame-pointer	armneon2
gcc -mcpu=arm8 -Os -fomit-frame-pointer	armneon2
gcc -mcpu=strongarm1100 -O2 -fomit-frame-pointer	armneon2
gcc -mcpu=strongarm1100 -O3 -fomit-frame-pointer	armneon2
gcc -mcpu=strongarm1100 -O -fomit-frame-pointer	armneon2
gcc -mcpu=strongarm1100 -Os -fomit-frame-pointer	armneon2
gcc -mcpu=strongarm110 -O2 -fomit-frame-pointer	armneon2
gcc -mcpu=strongarm110 -O3 -fomit-frame-pointer	armneon2
gcc -mcpu=strongarm110 -O -fomit-frame-pointer	armneon2
gcc -mcpu=strongarm110 -Os -fomit-frame-pointer	armneon2
gcc -mcpu=strongarm -O2 -fomit-frame-pointer	armneon2
gcc -mcpu=strongarm -O3 -fomit-frame-pointer	armneon2
gcc -mcpu=strongarm -O -fomit-frame-pointer	armneon2
gcc -mcpu=strongarm -Os -fomit-frame-pointer	armneon2