Implementation notes: aarch64, gcc116, crypto_scalarmult/curve25519

Computer: gcc116
Architecture: aarch64
CPU ID: unknown CPU ID
SUPERCOP version: 20171218
Operation: crypto_scalarmult
Primitive: curve25519

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1602752	? ? ?	? ? ?	`ref10`	`gcc_-funroll-loops_-Os_-fomit-frame-pointer`	20171109	20171020
1602752	? ? ?	? ? ?	`ref10`	`gcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20171109	20171020
1627168	? ? ?	? ? ?	`ref10`	`gcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20171109	20171020
1629824	? ? ?	? ? ?	`ref10`	`gcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20171109	20171020
1640192	? ? ?	? ? ?	`ref10`	`gcc_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20171109	20171020
1641312	? ? ?	? ? ?	`ref10`	`gcc_-Os_-fomit-frame-pointer`	20171109	20171020
1643808	? ? ?	? ? ?	`ref10`	`gcc_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20171109	20171020
1673632	? ? ?	? ? ?	`ref10`	`gcc_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20171109	20171020
1777088	? ? ?	? ? ?	`ref10`	`gcc_-funroll-loops_-O3_-fomit-frame-pointer`	20171109	20171020
1812864	? ? ?	? ? ?	`ref10`	`gcc_-funroll-loops_-O2_-fomit-frame-pointer`	20171109	20171020
1813312	? ? ?	? ? ?	`ref10`	`gcc_-O3_-fomit-frame-pointer`	20171109	20171020
1875328	? ? ?	? ? ?	`ref10`	`gcc_-O2_-fomit-frame-pointer`	20171109	20171020
2690080	? ? ?	? ? ?	`ref10`	`gcc_-O_-fomit-frame-pointer`	20171109	20171020
2690080	? ? ?	? ? ?	`ref10`	`gcc_-fno-schedule-insns_-O_-fomit-frame-pointer`	20171109	20171020
2690720	? ? ?	? ? ?	`ref10`	`gcc_-funroll-loops_-O_-fomit-frame-pointer`	20171109	20171020
2690720	? ? ?	? ? ?	`ref10`	`gcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer`	20171109	20171020
3919968	? ? ?	? ? ?	`donna_c64`	`gcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20171109	20171020
3944896	? ? ?	? ? ?	`donna_c64`	`gcc_-Os_-fomit-frame-pointer`	20171109	20171020
3944896	? ? ?	? ? ?	`donna_c64`	`gcc_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20171109	20171020
3945152	? ? ?	? ? ?	`donna_c64`	`gcc_-funroll-loops_-Os_-fomit-frame-pointer`	20171109	20171020
3945152	? ? ?	? ? ?	`donna_c64`	`gcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20171109	20171020
3949664	? ? ?	? ? ?	`donna_c64`	`gcc_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20171109	20171020
4013376	? ? ?	? ? ?	`donna_c64`	`gcc_-funroll-loops_-O2_-fomit-frame-pointer`	20171109	20171020
4089376	? ? ?	? ? ?	`donna_c64`	`gcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20171109	20171020
4094688	? ? ?	? ? ?	`donna_c64`	`gcc_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20171109	20171020
4107520	? ? ?	? ? ?	`donna_c64`	`gcc_-O2_-fomit-frame-pointer`	20171109	20171020
4131008	? ? ?	? ? ?	`donna_c64`	`gcc_-funroll-loops_-O3_-fomit-frame-pointer`	20171109	20171020
4153760	? ? ?	? ? ?	`donna_c64`	`gcc_-O3_-fomit-frame-pointer`	20171109	20171020
4459616	? ? ?	? ? ?	`donna_c64`	`gcc_-funroll-loops_-O_-fomit-frame-pointer`	20171109	20171020
4459648	? ? ?	? ? ?	`donna_c64`	`gcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer`	20171109	20171020
4501216	? ? ?	? ? ?	`donna_c64`	`gcc_-O_-fomit-frame-pointer`	20171109	20171020
4501248	? ? ?	? ? ?	`donna_c64`	`gcc_-fno-schedule-insns_-O_-fomit-frame-pointer`	20171109	20171020
6423904	? ? ?	? ? ?	`ref10`	`gcc_-funroll-loops`	20171109	20171020
6423936	? ? ?	? ? ?	`ref10`	`gcc`	20171109	20171020
6423968	? ? ?	? ? ?	`ref10`	`cc`	20171109	20171020
9014432	? ? ?	? ? ?	`donna_c64`	`cc`	20171109	20171020
9016480	? ? ?	? ? ?	`donna_c64`	`gcc_-funroll-loops`	20171109	20171020
9022432	? ? ?	? ? ?	`donna_c64`	`gcc`	20171109	20171020
36359264	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-O3_-fomit-frame-pointer`	20171109	20171020
37230080	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20171109	20171020
37518560	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-O2_-fomit-frame-pointer`	20171109	20171020
37808288	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20171109	20171020
41597632	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer`	20171109	20171020
41623680	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-O_-fomit-frame-pointer`	20171109	20171020
41840096	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20171109	20171020
41937856	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-Os_-fomit-frame-pointer`	20171109	20171020
42110656	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20171109	20171020
42263616	? ? ?	? ? ?	`ref`	`gcc_-O3_-fomit-frame-pointer`	20171109	20171020
42346848	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20171109	20171020
42417088	? ? ?	? ? ?	`ref`	`gcc_-O2_-fomit-frame-pointer`	20171109	20171020
42595040	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20171109	20171020
42633984	? ? ?	? ? ?	`ref`	`gcc_-Os_-fomit-frame-pointer`	20171109	20171020
44623776	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-O_-fomit-frame-pointer`	20171109	20171020
44912192	? ? ?	? ? ?	`ref`	`gcc_-O_-fomit-frame-pointer`	20171109	20171020
159522944	? ? ?	? ? ?	`ref`	`gcc`	20171109	20171020
159534880	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops`	20171109	20171020
159801792	? ? ?	? ? ?	`ref`	`cc`	20171109	20171020

Compiler output

Implementation: crypto_scalarmult/curve25519/donna_c64
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: 19, 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