Implementation notes: aarch64, rockpi4, crypto_scalarmult/curve25519

Computer: rockpi4
Architecture: aarch64
CPU ID: unknown CPU ID
SUPERCOP version: 20190816
Operation: crypto_scalarmult
Primitive: curve25519

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1212981	5408 0 0	24695 896 1600	`ref10`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv`	20191201	20190816
1213807	5160 0 0	24295 896 1600	`ref10`	`gcc_-O3_-fomit-frame-pointer`	20191201	20190816
1248499	5900 0 0	25903 896 1584	`ref10`	`gcc_-funroll-loops_-O2_-fomit-frame-pointer`	20191201	20190816
1262954	5420 0 0	23351 896 1584	`ref10`	`gcc_-O2_-fomit-frame-pointer`	20191201	20190816
1265845	5692 0 0	23767 896 1584	`ref10`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv`	20191201	20190816
1268323	20584 0 0	41215 896 1600	`donna_c64`	`gcc_-funroll-loops_-O3_-fomit-frame-pointer`	20191201	20190816
1286495	20244 0 0	40399 896 1584	`donna_c64`	`gcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20191201	20190816
1298885	5172 0 0	21743 880 1568	`ref10`	`gcc_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20191201	20190816
1299711	17220 0 0	35263 896 1584	`donna_c64`	`gcc_-O2_-fomit-frame-pointer`	20191201	20190816
1301363	17220 0 0	35359 896 1584	`donna_c64`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv`	20191201	20190816
1318709	5596 0 0	22151 880 1568	`ref10`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv`	20191201	20190816
1330686	20620 0 0	41479 896 1584	`donna_c64`	`gcc_-funroll-loops_-O_-fomit-frame-pointer`	20191201	20190816
1339359	5172 0 0	21807 880 1568	`ref10`	`gcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20191201	20190816
1345967	17088 0 0	34719 896 1584	`donna_c64`	`gcc_-fno-schedule-insns_-O_-fomit-frame-pointer`	20191201	20190816
1404613	16436 0 0	33191 880 1568	`donna_c64`	`gcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20191201	20190816
1426502	16444 0 0	33127 880 1568	`donna_c64`	`gcc_-Os_-fomit-frame-pointer`	20191201	20190816
1426502	16444 0 0	33127 880 1568	`donna_c64`	`gcc_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20191201	20190816
1610700	17724 0 0	37580 808 1600	`donna_c64`	`clang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20191201	20190816
1682562	19956 0 0	39820 808 1600	`donna_c64`	`clang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments`	20191201	20190816
1682975	19956 0 0	39820 808 1600	`donna_c64`	`clang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments`	20191201	20190816
1854370	20640 0 0	39983 896 1600	`donna_c64`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv`	20191201	20190816
1884519	20132 0 0	40687 896 1600	`donna_c64`	`gcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20191201	20190816
1894844	20148 0 0	39343 896 1600	`donna_c64`	`gcc_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20191201	20190816
1901452	20708 0 0	40823 896 1584	`donna_c64`	`gcc_-funroll-loops_-O2_-fomit-frame-pointer`	20191201	20190816
1913842	5296 0 0	25783 896 1600	`ref10`	`gcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20191201	20190816
1920037	5532 0 0	26039 896 1600	`ref10`	`gcc_-funroll-loops_-O3_-fomit-frame-pointer`	20191201	20190816
1924993	20640 0 0	39887 896 1600	`donna_c64`	`gcc_-O3_-fomit-frame-pointer`	20191201	20190816
2052197	5764 0 0	25855 896 1584	`ref10`	`gcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20191201	20190816
2082759	16884 0 0	34839 896 1584	`donna_c64`	`gcc_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20191201	20190816
2155034	16436 0 0	33191 880 1568	`donna_c64`	`gcc_-funroll-loops_-Os_-fomit-frame-pointer`	20191201	20190816
2207898	5172 0 0	21807 880 1568	`ref10`	`gcc_-funroll-loops_-Os_-fomit-frame-pointer`	20191201	20190816
2220288	6004 0 0	25900 808 1600	`ref10`	`clang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20191201	20190816
2231852	4924 0 0	24055 896 1600	`ref10`	`gcc_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20191201	20190816
2269022	16444 0 0	33127 880 1568	`donna_c64`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv`	20191201	20190816
2374337	5956 0 0	25820 808 1600	`ref10`	`clang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments`	20191201	20190816
2375163	5956 0 0	25820 808 1600	`ref10`	`clang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments`	20191201	20190816
2386314	5280 0 0	23159 896 1584	`ref10`	`gcc_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20191201	20190816
2438765	20620 0 0	41479 896 1584	`donna_c64`	`gcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer`	20191201	20190816
2447851	5172 0 0	21743 880 1568	`ref10`	`gcc_-Os_-fomit-frame-pointer`	20191201	20190816
2502780	17088 0 0	34719 896 1584	`donna_c64`	`gcc_-O_-fomit-frame-pointer`	20191201	20190816
2504019	17088 0 0	34719 896 1584	`donna_c64`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv`	20191201	20190816
2655590	19956 0 0	39820 808 1600	`donna_c64`	`clang_-O3_-fwrapv_-mavx2_-fomit-frame-pointer_-Qunused-arguments`	20191201	20190816
2663437	19956 0 0	39772 808 1600	`donna_c64`	`clang_-O3_-fomit-frame-pointer_-Qunused-arguments`	20191201	20190816
2795184	6056 0 0	23583 896 1584	`ref10`	`gcc_-fno-schedule-insns_-O_-fomit-frame-pointer`	20191201	20190816
2843505	6484 0 0	24007 896 1584	`ref10`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv`	20191201	20190816
2885631	5956 0 0	25820 808 1600	`ref10`	`clang_-O3_-fwrapv_-mavx2_-fomit-frame-pointer_-Qunused-arguments`	20191201	20190816
3168949	5736 0 0	25548 808 1600	`ref10`	`clang_-O3_-fomit-frame-pointer_-Qunused-arguments`	20191201	20190816
4840360	6572 0 0	27319 896 1584	`ref10`	`gcc_-funroll-loops_-O_-fomit-frame-pointer`	20191201	20190816
4842012	6056 0 0	23583 896 1584	`ref10`	`gcc_-O_-fomit-frame-pointer`	20191201	20190816
4843251	6572 0 0	27319 896 1584	`ref10`	`gcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer`	20191201	20190816
5418147	15512 0 0	36887 880 1584	`ref10`	`gcc`	20191201	20190816
10086699	141280 0 0	162831 880 1584	`donna_c64`	`gcc_-funroll-loops`	20191201	20190816
14186137	15512 0 0	36887 880 1584	`ref10`	`gcc_-funroll-loops`	20191201	20190816
14419482	15512 0 0	36887 880 1584	`ref10`	`cc`	20191201	20190816
16312261	141280 0 0	162831 880 1584	`donna_c64`	`cc`	20191201	20190816
17553326	141280 0 0	162831 880 1584	`donna_c64`	`gcc`	20191201	20190816
20037934	9104 0 0	29743 896 1600	`ref`	`gcc_-funroll-loops_-O3_-fomit-frame-pointer`	20191201	20190816
22622901	8684 0 0	28871 896 1584	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20191201	20190816
22777363	23156 0 0	43004 808 1600	`ref`	`clang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments`	20191201	20190816
23051182	7192 0 0	28079 896 1584	`ref`	`gcc_-funroll-loops_-O_-fomit-frame-pointer`	20191201	20190816
25062492	4680 0 0	23895 896 1600	`ref`	`gcc_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20191201	20190816
27122536	23224 0 0	43020 808 1600	`ref`	`clang_-O3_-fomit-frame-pointer_-Qunused-arguments`	20191201	20190816
28776188	3144 0 0	21223 896 1584	`ref`	`gcc_-O2_-fomit-frame-pointer`	20191201	20190816
29961498	3176 0 0	21351 896 1584	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv`	20191201	20190816
31040667	3128 0 0	21103 896 1584	`ref`	`gcc_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20191201	20190816
31891034	2764 0 0	19527 880 1568	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20191201	20190816
32366397	2724 0 0	19431 880 1568	`ref`	`gcc_-Os_-fomit-frame-pointer`	20191201	20190816
36184169	2724 0 0	19431 880 1568	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv`	20191201	20190816
56003213	8672 0 0	28807 896 1584	`ref`	`gcc_-funroll-loops_-O2_-fomit-frame-pointer`	20191201	20190816
56223755	9020 0 0	29599 896 1600	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20191201	20190816
56870100	22444 0 0	42284 808 1600	`ref`	`clang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20191201	20190816
57757637	23156 0 0	43004 808 1600	`ref`	`clang_-O3_-fwrapv_-mavx2_-fomit-frame-pointer_-Qunused-arguments`	20191201	20190816
57779939	23156 0 0	43004 808 1600	`ref`	`clang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments`	20191201	20190816
61794299	4744 0 0	24015 896 1600	`ref`	`gcc_-O3_-fomit-frame-pointer`	20191201	20190816
61855010	4776 0 0	24143 896 1600	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv`	20191201	20190816
78527820	2764 0 0	19527 880 1568	`ref`	`gcc_-funroll-loops_-Os_-fomit-frame-pointer`	20191201	20190816
81627385	2724 0 0	19431 880 1568	`ref`	`gcc_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20191201	20190816
85326213	7192 0 0	28079 896 1584	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer`	20191201	20190816
88342352	3116 0 0	20791 896 1584	`ref`	`gcc_-fno-schedule-insns_-O_-fomit-frame-pointer`	20191201	20190816
88354742	3116 0 0	20791 896 1584	`ref`	`gcc_-O_-fomit-frame-pointer`	20191201	20190816
88469143	3116 0 0	20791 896 1584	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv`	20191201	20190816
129336732	5248 0 0	26815 880 1584	`ref`	`cc`	20191201	20190816
132756372	5248 0 0	26815 880 1584	`ref`	`gcc`	20191201	20190816
353316544	5248 0 0	26815 880 1584	`ref`	`gcc_-funroll-loops`	20191201	20190816

Compiler output

Implementation: donna_c64
Security model: unknown
Compiler: cc

smult.c: smult.c:149:1: warning: always_inline function might not be inlinable [-Wattributes]
smult.c: fsquare_times(felem output, const felem in, limb count) {
smult.c: ^~~~~~~~~~~~~
smult.c: smult.c:100:1: warning: always_inline function might not be inlinable [-Wattributes]
smult.c: fmul(felem output, const felem in2, const felem in) {
smult.c: ^~~~
smult.c: smult.c:70:1: warning: always_inline function might not be inlinable [-Wattributes]
smult.c: fscalar_product(felem output, const felem in, const limb scalar) {
smult.c: ^~~~~~~~~~~~~~~
smult.c: smult.c:56:1: warning: always_inline function might not be inlinable [-Wattributes]
smult.c: fdifference_backwards(felem out, const felem in) {
smult.c: ^~~~~~~~~~~~~~~~~~~~~
smult.c: smult.c:41:1: warning: always_inline function might not be inlinable [-Wattributes]
smult.c: fsum(limb *output, const limb *in) {
smult.c: ^~~~

Number of similar (compiler,implementation) pairs: 23, namely:

Compiler	Implementations
cc	donna_c64
gcc	donna_c64
gcc -O2 -fomit-frame-pointer	donna_c64
gcc -O3 -fomit-frame-pointer	donna_c64
gcc -O -fomit-frame-pointer	donna_c64
gcc -Os -fomit-frame-pointer	donna_c64
gcc -fno-schedule-insns -O2 -fomit-frame-pointer	donna_c64
gcc -fno-schedule-insns -O3 -fomit-frame-pointer	donna_c64
gcc -fno-schedule-insns -O -fomit-frame-pointer	donna_c64
gcc -fno-schedule-insns -Os -fomit-frame-pointer	donna_c64
gcc -funroll-loops	donna_c64
gcc -funroll-loops -O2 -fomit-frame-pointer	donna_c64
gcc -funroll-loops -O3 -fomit-frame-pointer	donna_c64
gcc -funroll-loops -O -fomit-frame-pointer	donna_c64
gcc -funroll-loops -Os -fomit-frame-pointer	donna_c64
gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer	donna_c64
gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer	donna_c64
gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer	donna_c64
gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer	donna_c64
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv	donna_c64
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv	donna_c64
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv	donna_c64
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv	donna_c64