Implementation notes: amd64, cannon, crypto_sign/qtesla256

Computer: cannon
Architecture: amd64
CPU ID: GenuineIntel-00060663-bfebfbff
SUPERCOP version: 20190910
Operation: crypto_sign
Primitive: qtesla256

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
10180956	87322 0 0	111872 856 1632	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20190913	20190910
10206936	116624 0 0	143760 856 1632	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20190913	20190910
10545038	119260 0 0	146506 880 1632	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20190913	20190910
10550500	119260 0 0	146506 880 1632	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20190913	20190910
10550592	119532 0 0	147098 880 1632	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20190913	20190910
11037680	87846 0 0	111984 872 1600	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20190913	20190910
11049576	86596 0 0	111032 856 1632	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20190913	20190910
19488188	85023 0 0	108500 848 1600	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20190913	20190910

Compiler output

Implementation: ref
Security model: unknown
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: 4, namely:

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