Implementation notes: armeabi, flops, crypto_core/salsa20

Computer: flops
Architecture: armeabi
CPU ID: unknown CPU ID
SUPERCOP version: 20140622
Operation: crypto_core
Primitive: salsa20

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
1750	`armneon2`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20140427	20140425
1750	`armneon`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O3 -fomit-frame-pointer`	20140427	20140425
1757	`armneon`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O3 -fomit-frame-pointer`	20140427	20140425
1758	`armneon2`	`gcc -mcpu=cortex-a9 -O2 -fomit-frame-pointer`	20140427	20140425
1758	`armneon2`	`gcc -mcpu=strongarm110 -O3 -fomit-frame-pointer`	20140427	20140425
1760	`armneon2`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O3 -fomit-frame-pointer`	20140427	20140425
1762	`armneon2`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20140427	20140425
1762	`armneon2`	`gcc -mcpu=arm8 -Os -fomit-frame-pointer`	20140427	20140425
1762	`armneon`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -Os -fomit-frame-pointer`	20140427	20140425
1763	`armneon2`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20140427	20140425
1764	`armneon2`	`gcc -O3 -fomit-frame-pointer`	20140427	20140425
1764	`armneon2`	`gcc -Os -fomit-frame-pointer`	20140427	20140425
1764	`armneon2`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20140427	20140425
1764	`armneon2`	`gcc -mcpu=cortex-a5 -O2 -fomit-frame-pointer`	20140427	20140425
1764	`armneon2`	`gcc -mcpu=cortex-a5 -O3 -fomit-frame-pointer`	20140427	20140425
1764	`armneon`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O2 -fomit-frame-pointer`	20140427	20140425
1764	`armneon2`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O3 -fomit-frame-pointer`	20140427	20140425
1764	`armneon2`	`gcc -mcpu=strongarm110 -Os -fomit-frame-pointer`	20140427	20140425
1765	`armneon2`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20140427	20140425
1766	`armneon2`	`gcc -mcpu=strongarm110 -O2 -fomit-frame-pointer`	20140427	20140425
1770	`armneon2`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20140427	20140425
1770	`armneon2`	`gcc -mcpu=arm810 -O2 -fomit-frame-pointer`	20140427	20140425
1770	`armneon2`	`gcc -mcpu=arm810 -O3 -fomit-frame-pointer`	20140427	20140425
1770	`armneon2`	`gcc -mcpu=cortex-a9 -O -fomit-frame-pointer`	20140427	20140425
1770	`armneon`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O2 -fomit-frame-pointer`	20140427	20140425
1770	`armneon2`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O -fomit-frame-pointer`	20140427	20140425
1770	`armneon`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -Os -fomit-frame-pointer`	20140427	20140425
1770	`armneon2`	`gcc -mcpu=strongarm -O2 -fomit-frame-pointer`	20140427	20140425
1770	`armneon2`	`gcc -mcpu=strongarm -O3 -fomit-frame-pointer`	20140427	20140425
1770	`armneon2`	`gcc -mcpu=strongarm -O -fomit-frame-pointer`	20140427	20140425
1772	`armneon2`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20140427	20140425
1772	`armneon2`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20140427	20140425
1772	`armneon2`	`gcc -mcpu=arm810 -O -fomit-frame-pointer`	20140427	20140425
1772	`armneon2`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O2 -fomit-frame-pointer`	20140427	20140425
1772	`armneon2`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -Os -fomit-frame-pointer`	20140427	20140425
1772	`armneon2`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -Os -fomit-frame-pointer`	20140427	20140425
1773	`armneon2`	`gcc -funroll-loops -O -fomit-frame-pointer`	20140427	20140425
1778	`armneon2`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20140427	20140425
1778	`armneon2`	`gcc -mcpu=arm8 -O2 -fomit-frame-pointer`	20140427	20140425
1778	`armneon2`	`gcc -mcpu=arm8 -O -fomit-frame-pointer`	20140427	20140425
1778	`armneon2`	`gcc -mcpu=cortex-a5 -Os -fomit-frame-pointer`	20140427	20140425
1778	`armneon2`	`gcc -mcpu=cortex-a9 -Os -fomit-frame-pointer`	20140427	20140425
1778	`armneon2`	`gcc -mcpu=strongarm1100 -O2 -fomit-frame-pointer`	20140427	20140425
1778	`armneon2`	`gcc -mcpu=strongarm1100 -O -fomit-frame-pointer`	20140427	20140425
1778	`armneon2`	`gcc -mcpu=strongarm110 -O -fomit-frame-pointer`	20140427	20140425
1779	`armneon2`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20140427	20140425
1781	`armneon2`	`gcc -mcpu=cortex-a9 -O3 -fomit-frame-pointer`	20140427	20140425
1784	`armneon2`	`gcc -O -fomit-frame-pointer`	20140427	20140425
1784	`armneon2`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O -fomit-frame-pointer`	20140427	20140425
1784	`armneon2`	`gcc -mcpu=strongarm1100 -O3 -fomit-frame-pointer`	20140427	20140425
1785	`armneon2`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20140427	20140425
1785	`armneon2`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O2 -fomit-frame-pointer`	20140427	20140425
1786	`armneon2`	`gcc -mcpu=arm810 -Os -fomit-frame-pointer`	20140427	20140425
1786	`armneon2`	`gcc -mcpu=arm8 -O3 -fomit-frame-pointer`	20140427	20140425
1786	`armneon2`	`gcc -mcpu=cortex-a5 -O -fomit-frame-pointer`	20140427	20140425
1786	`armneon2`	`gcc -mcpu=strongarm1100 -Os -fomit-frame-pointer`	20140427	20140425
1786	`armneon2`	`gcc -mcpu=strongarm -Os -fomit-frame-pointer`	20140427	20140425
1788	`armneon2`	`gcc -O2 -fomit-frame-pointer`	20140427	20140425
1791	`ref`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20140427	20140425
1800	`ref`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20140427	20140425
1806	`armneon2`	`gcc -funroll-loops`	20140427	20140425
1819	`armneon2`	`gcc`	20140427	20140425
1820	`armneon2`	`cc`	20140427	20140425
1850	`armneon`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O -fomit-frame-pointer`	20140427	20140425
1850	`armneon`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O -fomit-frame-pointer`	20140427	20140425
1953	`ref`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20140427	20140425
1958	`ref`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20140427	20140425
1960	`ref`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O3 -fomit-frame-pointer`	20140427	20140425
1964	`ref`	`gcc -O2 -fomit-frame-pointer`	20140427	20140425
1964	`ref`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O2 -fomit-frame-pointer`	20140427	20140425
1988	`ref`	`gcc -O3 -fomit-frame-pointer`	20140427	20140425
2010	`ref`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20140427	20140425
2022	`ref`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20140427	20140425
2110	`ref`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20140427	20140425
2116	`ref`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20140427	20140425
2130	`ref`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -Os -fomit-frame-pointer`	20140427	20140425
2152	`ref`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -Os -fomit-frame-pointer`	20140427	20140425
2154	`ref`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20140427	20140425
2158	`ref`	`gcc -mcpu=cortex-a5 -Os -fomit-frame-pointer`	20140427	20140425
2160	`ref`	`gcc -Os -fomit-frame-pointer`	20140427	20140425
2162	`ref`	`gcc -mcpu=cortex-a9 -O3 -fomit-frame-pointer`	20140427	20140425
2168	`ref`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O3 -fomit-frame-pointer`	20140427	20140425
2188	`ref`	`gcc -mcpu=cortex-a5 -O2 -fomit-frame-pointer`	20140427	20140425
2188	`ref`	`gcc -mcpu=cortex-a5 -O3 -fomit-frame-pointer`	20140427	20140425
2188	`ref`	`gcc -mcpu=cortex-a9 -O2 -fomit-frame-pointer`	20140427	20140425
2188	`ref`	`gcc -mcpu=cortex-a9 -Os -fomit-frame-pointer`	20140427	20140425
2204	`ref`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O2 -fomit-frame-pointer`	20140427	20140425
2210	`ref`	`gcc -mcpu=strongarm110 -Os -fomit-frame-pointer`	20140427	20140425
2218	`ref`	`gcc -mcpu=arm810 -Os -fomit-frame-pointer`	20140427	20140425
2224	`ref`	`gcc -mcpu=arm8 -Os -fomit-frame-pointer`	20140427	20140425
2224	`ref`	`gcc -mcpu=strongarm1100 -Os -fomit-frame-pointer`	20140427	20140425
2224	`ref`	`gcc -mcpu=strongarm -Os -fomit-frame-pointer`	20140427	20140425
2290	`ref`	`gcc -mcpu=strongarm1100 -O2 -fomit-frame-pointer`	20140427	20140425
2298	`ref`	`gcc -mcpu=strongarm110 -O3 -fomit-frame-pointer`	20140427	20140425
2302	`ref`	`gcc -mcpu=arm8 -O3 -fomit-frame-pointer`	20140427	20140425
2302	`ref`	`gcc -mcpu=strongarm110 -O2 -fomit-frame-pointer`	20140427	20140425
2306	`ref`	`gcc -mcpu=strongarm1100 -O3 -fomit-frame-pointer`	20140427	20140425
2310	`ref`	`gcc -mcpu=arm810 -O3 -fomit-frame-pointer`	20140427	20140425
2310	`ref`	`gcc -mcpu=arm8 -O2 -fomit-frame-pointer`	20140427	20140425
2310	`ref`	`gcc -mcpu=strongarm -O3 -fomit-frame-pointer`	20140427	20140425
2312	`ref`	`gcc -mcpu=arm810 -O2 -fomit-frame-pointer`	20140427	20140425
2312	`ref`	`gcc -mcpu=strongarm -O2 -fomit-frame-pointer`	20140427	20140425
3462	`ref`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20140427	20140425
3462	`ref`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O -fomit-frame-pointer`	20140427	20140425
3470	`ref`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O -fomit-frame-pointer`	20140427	20140425
3472	`ref`	`gcc -mcpu=cortex-a5 -O -fomit-frame-pointer`	20140427	20140425
3476	`ref`	`gcc -mcpu=cortex-a9 -O -fomit-frame-pointer`	20140427	20140425
3478	`ref`	`gcc -O -fomit-frame-pointer`	20140427	20140425
3494	`ref`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20140427	20140425
3497	`ref`	`gcc -funroll-loops -O -fomit-frame-pointer`	20140427	20140425
3714	`ref`	`gcc -mcpu=arm810 -O -fomit-frame-pointer`	20140427	20140425
3714	`ref`	`gcc -mcpu=arm8 -O -fomit-frame-pointer`	20140427	20140425
3714	`ref`	`gcc -mcpu=strongarm -O -fomit-frame-pointer`	20140427	20140425
3716	`ref`	`gcc -mcpu=strongarm1100 -O -fomit-frame-pointer`	20140427	20140425
3724	`ref`	`gcc -mcpu=strongarm110 -O -fomit-frame-pointer`	20140427	20140425
11696	`ref`	`cc`	20140427	20140425
11701	`ref`	`gcc`	20140427	20140425
11701	`ref`	`gcc -funroll-loops`	20140427	20140425

Compiler output

Implementation: crypto_core/salsa20/armneon
Compiler: cc

core.c: In file included from core.c:8:0:
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_salsa20_armneon':
core.c: core.c:20:3: error: unknown type name 'uint32x4_t'
core.c: core.c:20:3: warning: excess elements in scalar initializer [enabled by default]
core.c: core.c:20:3: warning: (near initialization for 'abab') [enabled by default]
core.c: core.c:20:3: warning: excess elements in scalar initializer [enabled by default]
core.c: core.c:20:3: warning: (near initialization for 'abab') [enabled by default]
core.c: core.c:20:3: warning: excess elements in scalar initializer [enabled by default]
core.c: core.c:20:3: warning: (near initialization for 'abab') [enabled by default]
core.c: core.c:22:3: error: unknown type name 'uint32x4_t'
core.c: core.c:22:26: error: 'uint32x4_t' undeclared (first use in this function)
core.c: core.c:22:26: note: each undeclared identifier is reported only once for each function it appears in
core.c: core.c:22:38: error: expected ',' or ';' before 'vld1q_u8'
core.c: core.c:23:14: error: expected ';' before 'k4k5k6k7'
core.c: core.c:24:14: error: expected ';' before 'c0c1c2c3'
core.c: core.c:25:14: error: expected ';' before 'n0n1n2n3'
core.c: core.c:27:14: error: expected ';' before 'n1n2n3n0'
core.c: core.c:28:3: error: unknown type name 'uint32x2_t'
core.c: core.c:28:34: error: 'n1n2n3n0' undeclared (first use in this function)
core.c: core.c:29:3: error: unknown type name 'uint32x2_t'
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:32:34: 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/salsa20/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:8:0:
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_salsa20_armneon':
core.c: core.c:20:3: error: unknown type name 'uint32x4_t'
core.c: core.c:20:3: warning: excess elements in scalar initializer [enabled by default]
core.c: core.c:20:3: warning: (near initialization for 'abab') [enabled by default]
core.c: core.c:20:3: warning: excess elements in scalar initializer [enabled by default]
core.c: core.c:20:3: warning: (near initialization for 'abab') [enabled by default]
core.c: core.c:20:3: warning: excess elements in scalar initializer [enabled by default]
core.c: core.c:20:3: warning: (near initialization for 'abab') [enabled by default]
core.c: core.c:22:3: error: unknown type name 'uint32x4_t'
core.c: core.c:22:26: error: 'uint32x4_t' undeclared (first use in this function)
core.c: core.c:22:26: note: each undeclared identifier is reported only once for each function it appears in
core.c: core.c:22:38: error: expected ',' or ';' before 'vld1q_u8'
core.c: core.c:23:14: error: expected ';' before 'k4k5k6k7'
core.c: core.c:24:14: error: expected ';' before 'c0c1c2c3'
core.c: core.c:25:14: error: expected ';' before 'n0n1n2n3'
core.c: core.c:27:14: error: expected ';' before 'n1n2n3n0'
core.c: core.c:28:3: error: unknown type name 'uint32x2_t'
core.c: core.c:28:34: error: 'n1n2n3n0' undeclared (first use in this function)
core.c: core.c:29:3: error: unknown type name 'uint32x2_t'
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: ...

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/salsa20/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/salsa20/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