Implementation notes: armeabi, sachr, crypto_core/salsa20

Computer: sachr
Architecture: armeabi
CPU ID: unknown CPU ID
SUPERCOP version: 20140514
Operation: crypto_core
Primitive: salsa20

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
3183	`ref`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20140515	20140514
3205	`ref`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20140515	20140514
3285	`ref`	`gcc -mcpu=arm810 -Os -fomit-frame-pointer`	20140515	20140514
3311	`ref`	`gcc -mcpu=strongarm -Os -fomit-frame-pointer`	20140515	20140514
3322	`ref`	`gcc -mcpu=strongarm110 -Os -fomit-frame-pointer`	20140515	20140514
3343	`ref`	`gcc -mcpu=strongarm1100 -Os -fomit-frame-pointer`	20140515	20140514
3514	`armneon2`	`gcc -mcpu=strongarm -O2 -fomit-frame-pointer`	20140515	20140514
3517	`ref`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20140515	20140514
3528	`ref`	`gcc -mcpu=cortex-a5 -O2 -fomit-frame-pointer`	20140515	20140514
3549	`armneon2`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20140515	20140514
3563	`ref`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20140515	20140514
3564	`ref`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20140515	20140514
3564	`armneon2`	`gcc -mcpu=arm810 -Os -fomit-frame-pointer`	20140515	20140514
3565	`armneon2`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20140515	20140514
3577	`armneon2`	`cc`	20140515	20140514
3583	`armneon2`	`gcc -mcpu=strongarm -O -fomit-frame-pointer`	20140515	20140514
3592	`ref`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20140515	20140514
3595	`armneon`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O2 -fomit-frame-pointer`	20140515	20140514
3598	`armneon2`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20140515	20140514
3602	`armneon2`	`gcc`	20140515	20140514
3602	`armneon2`	`gcc -mcpu=arm810 -O -fomit-frame-pointer`	20140515	20140514
3603	`ref`	`gcc -mcpu=cortex-a5 -Os -fomit-frame-pointer`	20140515	20140514
3604	`armneon2`	`gcc -mcpu=strongarm1100 -Os -fomit-frame-pointer`	20140515	20140514
3614	`ref`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O3 -fomit-frame-pointer`	20140515	20140514
3619	`ref`	`gcc -mcpu=strongarm110 -O3 -fomit-frame-pointer`	20140515	20140514
3620	`armneon2`	`gcc -mcpu=arm810 -O2 -fomit-frame-pointer`	20140515	20140514
3621	`ref`	`gcc -mcpu=strongarm110 -O2 -fomit-frame-pointer`	20140515	20140514
3625	`ref`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20140515	20140514
3643	`armneon2`	`gcc -mcpu=cortex-a5 -O2 -fomit-frame-pointer`	20140515	20140514
3654	`armneon2`	`gcc -mcpu=strongarm -O3 -fomit-frame-pointer`	20140515	20140514
3656	`ref`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O2 -fomit-frame-pointer`	20140515	20140514
3658	`armneon2`	`gcc -mcpu=cortex-a5 -O -fomit-frame-pointer`	20140515	20140514
3659	`ref`	`gcc -mcpu=arm810 -O3 -fomit-frame-pointer`	20140515	20140514
3664	`armneon2`	`gcc -mcpu=arm8 -Os -fomit-frame-pointer`	20140515	20140514
3664	`armneon2`	`gcc -mcpu=strongarm110 -Os -fomit-frame-pointer`	20140515	20140514
3667	`armneon2`	`gcc -mcpu=cortex-a9 -O -fomit-frame-pointer`	20140515	20140514
3668	`armneon`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -Os -fomit-frame-pointer`	20140515	20140514
3670	`armneon2`	`gcc -mcpu=cortex-a5 -Os -fomit-frame-pointer`	20140515	20140514
3671	`armneon2`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20140515	20140514
3671	`armneon`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O -fomit-frame-pointer`	20140515	20140514
3678	`armneon2`	`gcc -mcpu=cortex-a9 -Os -fomit-frame-pointer`	20140515	20140514
3679	`armneon2`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O -fomit-frame-pointer`	20140515	20140514
3688	`armneon2`	`gcc -O -fomit-frame-pointer`	20140515	20140514
3688	`armneon2`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O -fomit-frame-pointer`	20140515	20140514
3693	`armneon`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O2 -fomit-frame-pointer`	20140515	20140514
3693	`ref`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O2 -fomit-frame-pointer`	20140515	20140514
3696	`ref`	`gcc -mcpu=arm810 -O2 -fomit-frame-pointer`	20140515	20140514
3704	`armneon`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -Os -fomit-frame-pointer`	20140515	20140514
3706	`armneon2`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20140515	20140514
3708	`armneon2`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -Os -fomit-frame-pointer`	20140515	20140514
3711	`ref`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20140515	20140514
3711	`armneon2`	`gcc -mcpu=strongarm1100 -O2 -fomit-frame-pointer`	20140515	20140514
3715	`armneon2`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20140515	20140514
3720	`ref`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -Os -fomit-frame-pointer`	20140515	20140514
3727	`armneon2`	`gcc -funroll-loops`	20140515	20140514
3729	`ref`	`gcc -mcpu=strongarm -O2 -fomit-frame-pointer`	20140515	20140514
3730	`ref`	`gcc -mcpu=cortex-a9 -Os -fomit-frame-pointer`	20140515	20140514
3749	`armneon2`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20140515	20140514
3752	`armneon2`	`gcc -O3 -fomit-frame-pointer`	20140515	20140514
3758	`armneon2`	`gcc -Os -fomit-frame-pointer`	20140515	20140514
3764	`armneon2`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O2 -fomit-frame-pointer`	20140515	20140514
3771	`armneon2`	`gcc -mcpu=arm8 -O3 -fomit-frame-pointer`	20140515	20140514
3772	`ref`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20140515	20140514
3772	`armneon2`	`gcc -mcpu=strongarm110 -O3 -fomit-frame-pointer`	20140515	20140514
3780	`ref`	`gcc -mcpu=strongarm -O3 -fomit-frame-pointer`	20140515	20140514
3786	`ref`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -Os -fomit-frame-pointer`	20140515	20140514
3796	`ref`	`gcc -mcpu=arm8 -O2 -fomit-frame-pointer`	20140515	20140514
3813	`armneon2`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20140515	20140514
3822	`armneon2`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O2 -fomit-frame-pointer`	20140515	20140514
3830	`ref`	`gcc -mcpu=cortex-a9 -O2 -fomit-frame-pointer`	20140515	20140514
3843	`ref`	`gcc -Os -fomit-frame-pointer`	20140515	20140514
3858	`armneon2`	`gcc -mcpu=arm810 -O3 -fomit-frame-pointer`	20140515	20140514
3858	`ref`	`gcc -mcpu=strongarm1100 -O2 -fomit-frame-pointer`	20140515	20140514
3902	`armneon2`	`gcc -mcpu=cortex-a5 -O3 -fomit-frame-pointer`	20140515	20140514
3912	`armneon2`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20140515	20140514
3918	`ref`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O3 -fomit-frame-pointer`	20140515	20140514
3921	`ref`	`gcc -mcpu=strongarm1100 -O3 -fomit-frame-pointer`	20140515	20140514
3951	`armneon2`	`gcc -mcpu=arm8 -O -fomit-frame-pointer`	20140515	20140514
3953	`armneon2`	`gcc -O2 -fomit-frame-pointer`	20140515	20140514
3975	`armneon`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O3 -fomit-frame-pointer`	20140515	20140514
4010	`armneon`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O3 -fomit-frame-pointer`	20140515	20140514
4029	`ref`	`gcc -O3 -fomit-frame-pointer`	20140515	20140514
4082	`armneon2`	`gcc -mcpu=arm8 -O2 -fomit-frame-pointer`	20140515	20140514
4204	`armneon2`	`gcc -mcpu=strongarm110 -O -fomit-frame-pointer`	20140515	20140514
4217	`ref`	`gcc -O2 -fomit-frame-pointer`	20140515	20140514
4229	`armneon2`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20140515	20140514
4229	`armneon`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O -fomit-frame-pointer`	20140515	20140514
4270	`armneon2`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O3 -fomit-frame-pointer`	20140515	20140514
4375	`armneon2`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -Os -fomit-frame-pointer`	20140515	20140514
4388	`ref`	`gcc -mcpu=strongarm1100 -O -fomit-frame-pointer`	20140515	20140514
4417	`ref`	`gcc -mcpu=cortex-a5 -O -fomit-frame-pointer`	20140515	20140514
4420	`ref`	`gcc -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon -O -fomit-frame-pointer`	20140515	20140514
4447	`armneon2`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20140515	20140514
4451	`armneon2`	`gcc -mcpu=strongarm1100 -O -fomit-frame-pointer`	20140515	20140514
4470	`ref`	`gcc -mcpu=strongarm -O -fomit-frame-pointer`	20140515	20140514
4480	`ref`	`gcc -O -fomit-frame-pointer`	20140515	20140514
4504	`armneon2`	`gcc -funroll-loops -O -fomit-frame-pointer`	20140515	20140514
4534	`ref`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20140515	20140514
4542	`armneon2`	`gcc -mcpu=strongarm1100 -O3 -fomit-frame-pointer`	20140515	20140514
4588	`ref`	`gcc -mcpu=strongarm110 -O -fomit-frame-pointer`	20140515	20140514
4606	`ref`	`gcc -mcpu=arm8 -Os -fomit-frame-pointer`	20140515	20140514
4700	`ref`	`gcc -mcpu=cortex-a9 -O -fomit-frame-pointer`	20140515	20140514
4710	`ref`	`gcc -mcpu=cortex-a9 -O3 -fomit-frame-pointer`	20140515	20140514
4734	`ref`	`gcc -mcpu=arm8 -O3 -fomit-frame-pointer`	20140515	20140514
4740	`ref`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O -fomit-frame-pointer`	20140515	20140514
4741	`ref`	`gcc -mcpu=cortex-a5 -O3 -fomit-frame-pointer`	20140515	20140514
4749	`ref`	`gcc -mcpu=arm810 -O -fomit-frame-pointer`	20140515	20140514
4826	`armneon2`	`gcc -mcpu=cortex-a9 -O2 -fomit-frame-pointer`	20140515	20140514
5012	`armneon2`	`gcc -mcpu=strongarm110 -O2 -fomit-frame-pointer`	20140515	20140514
5030	`armneon2`	`gcc -mcpu=cortex-a9 -O3 -fomit-frame-pointer`	20140515	20140514
5122	`armneon2`	`gcc -mcpu=strongarm -Os -fomit-frame-pointer`	20140515	20140514
5322	`armneon2`	`gcc -mcpu=cortex-a8 -mfloat-abi=hard -mfpu=neon -O3 -fomit-frame-pointer`	20140515	20140514
5432	`ref`	`gcc -mcpu=arm8 -O -fomit-frame-pointer`	20140515	20140514
5616	`ref`	`gcc -funroll-loops -O -fomit-frame-pointer`	20140515	20140514
5662	`ref`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20140515	20140514
8468	`ref`	`cc`	20140515	20140514
8508	`ref`	`gcc -funroll-loops`	20140515	20140514
8664	`ref`	`gcc`	20140515	20140514

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