Test results for amd64, comet, crypto_scalarmult/nistp256

[Page version: 20250707 21:28:05]

Measurements for amd64, comet, crypto_scalarmult Test results for amd64, comet, crypto_scalarmult Test results for crypto_scalarmult/nistp256

Computer: comet
Microarchitecture: amd64; Comet Lake (806ec)
Architecture: amd64
CPU ID: GenuineIntel-000806ec-bfebfbff
SUPERCOP version: 20250415
Operation: crypto_scalarmult
Primitive: nistp256

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
2331015	17477 30720 0	40633 31588 1728	`T:mj32`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250619	20250415
2628835	12820 30720 0	36764 31516 1792	`T:mj32`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250619	20250415
2692308	12881 30720 0	37417 31588 1760	`T:mj32`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250619	20250415
2695115	16897 30720 0	41697 31588 1792	`T:mj32`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250619	20250415
3252989	11630 30720 0	33716 31516 1792	`T:mj32`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250619	20250415
3312996	10196 30720 0	31863 31580 1792	`T:mj32`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250619	20250415
3683328	11536 30720 0	32417 31588 1728	`T:mj32`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250619	20250415
4960467	9824 30720 0	29516 31508 1760	`T:mj32`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250619	20250415
7094391	11149 30720 0	32060 31516 1792	`T:mj32`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250619	20250415

Compiler output

gep256.c: gep256.c:83:28: warning: sizeof on array function parameter will return size of 'fe *' (aka 'unsigned int (*)[8]') instead of 'gep256' (aka 'unsigned int[3][8]') [-Wsizeof-array-argument]
gep256.c:     for (i = 0; i < sizeof p; ++i) x |= ((unsigned char *)p)[i];
gep256.c:                            ^
gep256.c: gep256.c:78:29: note: declared here
gep256.c: static int isneutral(gep256 p) {
gep256.c:                             ^
gep256.c: gep256.c:92:28: warning: sizeof on array function parameter will return size of 'fe *' (aka 'unsigned int (*)[8]') instead of 'gep256_precomp' (aka 'unsigned int[2][8]') [-Wsizeof-array-argument]
gep256.c:     for (i = 0; i < sizeof p; ++i) x |= ((unsigned char *)p)[i];
gep256.c:                            ^
gep256.c: gep256.c:87:45: note: declared here
gep256.c: static int isneutral_precomp(gep256_precomp p) {
gep256.c:                                             ^
gep256.c: 2 warnings generated.

Number of similar (implementation,compiler) pairs: 5, namely:

Implementation	Compiler
`T:mj32`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:mj32`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:mj32`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:mj32`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:mj32`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`

Compiler output

gep256.c: gep256.c: In function 'isneutral':
gep256.c: gep256.c:83:28: warning: 'sizeof' on array function parameter 'p' will return size of 'uint32_t (*)[8]' {aka 'unsigned int (*)[8]'} [-Wsizeof-array-argument]
gep256.c:    83 |     for (i = 0; i < sizeof p; ++i) x |= ((unsigned char *)p)[i];
gep256.c:       |                            ^
gep256.c: gep256.c:78:29: note: declared here
gep256.c:    78 | static int isneutral(gep256 p) {
gep256.c:       |                      ~~~~~~~^
gep256.c: gep256.c: In function 'isneutral_precomp':
gep256.c: gep256.c:92:28: warning: 'sizeof' on array function parameter 'p' will return size of 'uint32_t (*)[8]' {aka 'unsigned int (*)[8]'} [-Wsizeof-array-argument]
gep256.c:    92 |     for (i = 0; i < sizeof p; ++i) x |= ((unsigned char *)p)[i];
gep256.c:       |                            ^
gep256.c: gep256.c:87:45: note: declared here
gep256.c:    87 | static int isneutral_precomp(gep256_precomp p) {
gep256.c:       |                              ~~~~~~~~~~~~~~~^

Number of similar (implementation,compiler) pairs: 4, namely:

Implementation	Compiler
`T:mj32`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`
`T:mj32`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`
`T:mj32`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`
`T:mj32`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`