Test results for amd64, samba, crypto_dh/nistp256

[Page version: 20250419 11:04:07]

Measurements for amd64, samba, crypto_dh Test results for amd64, samba, crypto_dh Test results for crypto_dh/nistp256

Computer: samba
Microarchitecture: amd64; Skylake (506e3)
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20250415
Operation: crypto_dh
Primitive: nistp256

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1714871	38458 32864 0	63947 33724 1824	`T:wbl`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250309	20250307
1719433	34867 32864 0	60035 33724 1792	`T:wbl`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250309	20250307
1768864	39494 32864 0	63315 33724 1760	`T:wbl`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250309	20250307
2004796	32534 32864 0	54035 33724 1760	`T:wbl`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250309	20250307
2015507	17237 32864 0	42205 33684 1824	`T:wbl`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250309	20250307
2102141	10611 32864 0	32877 33716 1824	`T:wbl`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250309	20250307
2313070	143 0 0	39917 31564 1824	`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250417	20250415
2316221	150 0 0	41483 31572 1760	`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250417	20250415
2319014	150 0 0	42835 31572 1792	`T:ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250417	20250415
2319534	153 0 0	39139 31572 1760	`T:ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250417	20250415
2319751	194 0 0	39765 31532 1824	`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250417	20250415
2322500	150 0 0	43131 31572 1824	`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250417	20250415
2323051	174 0 0	38629 31524 1792	`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250417	20250415
2326157	186 0 0	40549 31532 1824	`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250417	20250415
2326674	186 0 0	42709 31532 1824	`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250417	20250415
2445772	14450 32864 0	37293 33684 1824	`T:wbl`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250309	20250307
2867137	13016 32864 0	35069 33684 1824	`T:wbl`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250309	20250307
3006043	12547 32864 0	33485 33676 1792	`T:wbl`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250309	20250307

Compiler output

curve.c: curve.c:256:7: warning: unused variable 'k' [-Wunused-variable]
curve.c:   int k;
curve.c:       ^
curve.c: 1 warning generated.
fep256.c: fep256.c:1076:14: warning: unused variable 'temp' [-Wunused-variable]
fep256.c:   smallfelem temp;
fep256.c:              ^
fep256.c: fep256.c:46:30: warning: unused variable 'nistp256_curve_params' [-Wunused-const-variable]
fep256.c: static const felem_bytearray nistp256_curve_params[5] = {
fep256.c:                              ^
fep256.c: fep256.c:98:19: warning: unused variable 'bottom32bits' [-Wunused-const-variable]
fep256.c: static const limb bottom32bits = 0xffffffff;
fep256.c:                   ^
fep256.c: fep256.c:133:13: warning: unused function 'smallfelem_assign' [-Wunused-function]
fep256.c: static void smallfelem_assign(smallfelem out, const smallfelem in)
fep256.c:             ^
fep256.c: fep256.c:159:13: warning: unused function 'felem_small_sum' [-Wunused-function]
fep256.c: static void felem_small_sum(felem out, const smallfelem in)
fep256.c:             ^
fep256.c: fep256.c:177:13: warning: unused function 'longfelem_scalar' [-Wunused-function]
fep256.c: static void longfelem_scalar(longfelem out, const u64 scalar)
fep256.c:             ^
fep256.c: fep256.c:200:13: warning: unused function 'smallfelem_neg' [-Wunused-function]
fep256.c: static void smallfelem_neg(felem out, const smallfelem small)
fep256.c:             ^
fep256.c: fep256.c:243:13: warning: unused function 'felem_diff_zero107' [-Wunused-function]
fep256.c: static void felem_diff_zero107(felem out, const felem in)
fep256.c:             ^
fep256.c: fep256.c:263:13: warning: unused function 'longfelem_diff' [-Wunused-function]
fep256.c: ...

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

Implementation	Compiler
`T:wbl`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:wbl`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:wbl`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:wbl`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:wbl`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`

Compiler output

curve.c: curve.c: In function 'p256dblmult_base':
curve.c: curve.c:256:7: warning: unused variable 'k' [-Wunused-variable]
curve.c:   256 |   int k;
curve.c:       |       ^
fep256.c: fep256.c:1064:32: warning: argument 1 of type 'unsigned char *' declared as a pointer [-Warray-parameter=]
fep256.c:  1064 | void fep256pack(unsigned char *out, fep256 *a){
fep256.c:       |                 ~~~~~~~~~~~~~~~^~~
fep256.c: In file included from fep256.c:30:
fep256.c: fep256.h:20:38: note: previously declared as an array 'unsigned char[32]'
fep256.c:    20 | extern void fep256pack(unsigned char c[32], fep256 *r);
fep256.c:       |                        ~~~~~~~~~~~~~~^~~~~
fep256.c: fep256.c:1075:51: warning: argument 2 of type 'const unsigned char *' declared as a pointer [-Warray-parameter=]
fep256.c:  1075 | void fep256unpack(fep256 *c, const unsigned char *in){
fep256.c:       |                              ~~~~~~~~~~~~~~~~~~~~~^~
fep256.c: In file included from fep256.c:30:
fep256.c: fep256.h:21:57: note: previously declared as an array 'const unsigned char[32]'
fep256.c:    21 | extern void fep256unpack(fep256 *r, const unsigned char c[32]);
fep256.c:       |                                     ~~~~~~~~~~~~~~~~~~~~^~~~~
fep256.c: fep256.c: In function 'fep256unpack':
fep256.c: fep256.c:1076:14: warning: unused variable 'temp' [-Wunused-variable]
fep256.c:  1076 |   smallfelem temp;
fep256.c:       |              ^~~~
fep256.c: At top level:
fep256.c: fep256.c:967:1: warning: 'copy_small_conditional' defined but not used [-Wunused-function]
fep256.c:   967 | copy_small_conditional(felem out, const smallfelem in, limb mask)
fep256.c:       | ^~~~~~~~~~~~~~~~~~~~~~
fep256.c: fep256.c:955:1: warning: 'copy_conditional' defined but not used [-Wunused-function]
fep256.c:   955 | copy_conditional(felem out, const felem in, limb mask)
fep256.c:       | ^~~~~~~~~~~~~~~~
fep256.c: ...

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

Implementation	Compiler
`T:wbl`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:wbl`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:wbl`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:wbl`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`

Namespace violations

curve.o basep D
curve.o p256add T
curve.o p256add_total T
curve.o p256base T
curve.o p256cmov T
curve.o p256dbl T
curve.o p256dbl_total T
curve.o p256dblmult_base T
curve.o p256identity T
curve.o p256madd T
curve.o p256oncurvefinite T
curve.o p256pack T
curve.o p256scalarmult T
curve.o p256scalarmult_base T
curve.o p256scalarmult_base_fast T
curve.o p256unpack T
curve.o p256xpack T
curve.o paramb D
curve.o precomp D
fep256.o fep256add T
fep256.o fep256cmov T
fep256.o fep256inv T
fep256.o fep256iszero T
fep256.o fep256mul T
fep256.o fep256pack T
fep256.o fep256scalar T
fep256.o fep256setone T
fep256.o fep256setzero T
fep256.o fep256sqr T
fep256.o fep256sub T
fep256.o fep256unpack T

Number of similar (implementation,compiler) pairs: 9, namely:

Implementation	Compiler
`T:wbl`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:wbl`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:wbl`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:wbl`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:wbl`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:wbl`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:wbl`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:wbl`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:wbl`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`