Implementation notes: amd64, hertz, crypto_dh/gls254

Computer: hertz
Microarchitecture: amd64; Zen 4 (a60f12)
Architecture: amd64
CPU ID: AuthenticAMD-00a60f12-178bfbff
SUPERCOP version: 20240425
Operation: crypto_dh
Primitive: gls254

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
119527	41142 196608 0	74937 197460 1832	`T:opt`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240429	20240425
120033	41142 196608 0	74825 197460 1832	`T:opt`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240429	20240425
132724	20858 196608 0	48443 197452 1832	`T:opt`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240429	20240425
147476	20545 196608 0	50068 197436 1896	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240429	20240425
152657	130160 16 0	163680 876 1832	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240429	20240425
156690	19233 196608 0	46748 197436 1832	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240429	20240425
158604	132176 16 0	165680 876 1832	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240429	20240425
171351	113332 16 0	140986 868 1832	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240429	20240425
173421	17382 196608 0	43540 197428 1800	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240429	20240425
176802	26305 98336 0	56155 99172 1896	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240429	20240425
177980	13793 98336 0	41627 99172 1832	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240429	20240425
188548	33757 98304 0	63675 99140 1896	`T:prot`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240429	20240425
205448	16286 98304 0	44107 99140 1832	`T:prot`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240429	20240425

Test failure

Implementation: T:prot
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE

error 111

Number of similar (compiler,implementation) pairs: 2, namely:

Compiler	Implementations
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:prot T:ref

Compiler output

Implementation: T:prot
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

dh.c: In file included from dh.c:9:
dh.c: ./scmul.incl:273:17: error: call to undeclared function 'types_cond_copy2'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
dh.c: 273 | types_cond_copy2(tab0, tab4, tabx, n1, n2);
dh.c: | ^
dh.c: ./scmul.incl:284:9: error: call to undeclared function 'types_cond_copy'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
dh.c: 284 | types_cond_copy(QX, tab0, o1);
dh.c: | ^
dh.c: 2 errors generated.

Number of similar (compiler,implementation) pairs: 3, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:prot
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:prot
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:prot

Compiler output

Implementation: T:prot
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

dh.c: In file included from dh.c:9:
dh.c: scmul.incl: In function 'scmul_rand_wreg':
dh.c: scmul.incl:273:17: warning: implicit declaration of function 'types_cond_copy2'; did you mean 'types_copy'? [-Wimplicit-function-declaration]
dh.c: 273 | types_cond_copy2(tab0, tab4, tabx, n1, n2);
dh.c: | ^~~~~~~~~~~~~~~~
dh.c: | types_copy
dh.c: scmul.incl:284:9: warning: implicit declaration of function 'types_cond_copy'; did you mean 'types_copy'? [-Wimplicit-function-declaration]
dh.c: 284 | types_cond_copy(QX, tab0, o1);
dh.c: | ^~~~~~~~~~~~~~~
dh.c: | types_copy

Number of similar (compiler,implementation) pairs: 3, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:prot
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:prot
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:prot

Compiler output

Implementation: T:ref
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

dh.c: In file included from dh.c:9:
dh.c: ./scmul.incl:204:14: warning: & has lower precedence than ==; == will be evaluated first [-Wparentheses]
dh.c: 204 | if (num[0] & 0x1 == 1) {
dh.c: | ^~~~~~~~~~
dh.c: ./scmul.incl:204:14: note: place parentheses around the '==' expression to silence this warning
dh.c: 204 | if (num[0] & 0x1 == 1) {
dh.c: | ^
dh.c: | ( )
dh.c: ./scmul.incl:204:14: note: place parentheses around the & expression to evaluate it first
dh.c: 204 | if (num[0] & 0x1 == 1) {
dh.c: | ^
dh.c: | ( )
dh.c: 1 warning generated.

Number of similar (compiler,implementation) pairs: 3, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref