Implementation notes: amd64, h8atom, crypto_sign/qtesla256

Computer: h8atom
Microarchitecture: amd64; Bonnell (30661)
Architecture: amd64
CPU ID: GenuineIntel-00030661-bfebfbff
SUPERCOP version: 20240107
Operation: crypto_sign
Primitive: qtesla256

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
96902050	119677 0 0	140547 840 1632	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231223	20231212
97789167	89673 0 0	109347 840 1632	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231223	20231212
100882894	87335 0 0	106507 840 1632	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231223	20231212
104466796	88725 0 0	108743 864 1568	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231223	20231212
104701184	88757 0 0	109951 864 1568	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231223	20231212
104868337	85964 0 0	104073 856 1568	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231223	20231212
106331253	90132 0 0	108943 864 1568	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231223	20231212
107196810	91141 0 0	112359 864 1568	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231223	20231212
305225788	85659 0 0	103675 832 1600	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231223	20231212

Compiler output

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

sign.c: sign.c:105:13: warning: absolute value function 'abs' given an argument of type 'int64_t' (aka 'long') but has parameter of type 'int' which may cause truncation of value [-Wabsolute-value]
sign.c: ret |= (abs(val) > (PARAM_B-PARAM_U));
sign.c: ^
sign.c: sign.c:105:13: note: use function 'labs' instead
sign.c: ret |= (abs(val) > (PARAM_B-PARAM_U));
sign.c: ^~~
sign.c: labs
sign.c: sign.c:145:13: warning: absolute value function 'abs' given an argument of type 'int64_t' (aka 'long') but has parameter of type 'int' which may cause truncation of value [-Wabsolute-value]
sign.c: ret |= (abs(left) > right);
sign.c: ^
sign.c: sign.c:145:13: note: use function 'labs' instead
sign.c: ret |= (abs(left) > right);
sign.c: ^~~
sign.c: labs
sign.c: 2 warnings generated.

Number of similar (compiler,implementation) pairs: 5, 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 -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref