Test results for amd64, rome0, crypto_scalarmult/nistp256

[Page version: 20241012 13:51:47]

Measurements for amd64, rome0, crypto_scalarmult Test results for amd64, rome0, crypto_scalarmult Test results for crypto_scalarmult/nistp256

Computer: rome0
Microarchitecture: amd64; Zen 2 (830f10)
Architecture: amd64
CPU ID: AuthenticAMD-00830f10-178bfbff
SUPERCOP version: 20241011
Operation: crypto_scalarmult
Primitive: nistp256

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
2380605	16842 30720 0	39944 31548 1720	`T:mj32`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20241011	20241011
2694540	16826 30720 0	39784 31548 1752	`T:mj32`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20241011	20241011
2702464	12906 30720 0	35768 31548 1752	`T:mj32`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20241011	20241011
2782447	12783 30720 0	36800 31516 1784	`T:mj32`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20241011	20241011
3195887	10099 30720 0	30662 31540 1720	`T:mj32`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20241011	20241011
3888680	10871 30720 0	31766 31540 1720	`T:mj32`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20241011	20241011
4284267	11410 30720 0	33800 31516 1784	`T:mj32`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20241011	20241011
5236047	9906 30720 0	29888 31508 1752	`T:mj32`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20241011	20241011
7755020	11252 30720 0	32432 31516 1784	`T:mj32`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20241011	20241011

Compiler output

gep256.c: gep256.c:83:28: warning: sizeof on array function parameter will return size of 'fe *' (aka 'uint32_t (*)[8]') instead of 'gep256' (aka 'fe [3]') [-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 'uint32_t (*)[8]') instead of 'gep256_precomp' (aka 'fe [2]') [-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_11.0.1)`
`T:mj32`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:mj32`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:mj32`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:mj32`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

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 (10.2.1_20210110)`
`T:mj32`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:mj32`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:mj32`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`