Implementation notes: aarch64, supercoplxc, crypto_dh/nist521gs

Computer: supercoplxc
Architecture: aarch64
CPU ID: 410fd034
SUPERCOP version: 20190816
Operation: crypto_dh
Primitive: nist521gs

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
17914960	19592 0 8	38860 808 1608	`ref`	`clang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20190926	20190816
18775600	15696 0 8	33723 904 1592	`ref`	`gcc_-O3_-fomit-frame-pointer`	20190926	20190816
18988080	16792 0 8	36179 904 1592	`ref`	`gcc_-funroll-loops_-O3_-fomit-frame-pointer`	20190926	20190816
19053760	12572 0 8	29449 896 1576	`ref`	`gcc_-O2_-fomit-frame-pointer`	20190926	20190816
19253280	16800 0 8	36163 904 1592	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20190926	20190816
19319920	14924 0 8	33849 896 1576	`ref`	`gcc_-funroll-loops_-O2_-fomit-frame-pointer`	20190926	20190816
19442160	10920 0 8	27087 880 1568	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20190926	20190816
19448320	10920 0 8	27087 880 1568	`ref`	`gcc_-funroll-loops_-Os_-fomit-frame-pointer`	20190926	20190816
19653920	21816 0 8	41004 808 1608	`ref`	`clang_-O3_-fomit-frame-pointer_-Qunused-arguments`	20190926	20190816
19683360	21896 0 8	41140 808 1608	`ref`	`clang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments`	20190926	20190816
19683520	15556 0 8	34569 896 1576	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20190926	20190816
19688480	21896 0 8	41140 808 1608	`ref`	`clang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments`	20190926	20190816
19840240	21896 0 8	41140 808 1608	`ref`	`clang_-O3_-fwrapv_-mavx2_-fomit-frame-pointer_-Qunused-arguments`	20190926	20190816
22311360	15712 0 8	33723 904 1592	`ref`	`gcc_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20190926	20190816
22661840	10932 0 8	27047 880 1568	`ref`	`gcc_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20190926	20190816
22694880	13024 0 8	29841 896 1576	`ref`	`gcc_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20190926	20190816
22763680	10932 0 8	27047 880 1568	`ref`	`gcc_-Os_-fomit-frame-pointer`	20190926	20190816
38631600	14712 0 8	34993 896 1576	`ref`	`gcc_-funroll-loops_-O_-fomit-frame-pointer`	20190926	20190816
38757680	12904 0 8	29961 896 1576	`ref`	`gcc_-fno-schedule-insns_-O_-fomit-frame-pointer`	20190926	20190816
38814480	12904 0 8	29961 896 1576	`ref`	`gcc_-O_-fomit-frame-pointer`	20190926	20190816
38850960	14712 0 8	34993 896 1576	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer`	20190926	20190816
121757200	32332 0 8	52801 880 1584	`ref`	`cc`	20190926	20190816
121832960	32332 0 8	52801 880 1584	`ref`	`gcc_-funroll-loops`	20190926	20190816
121897600	32332 0 8	52801 880 1584	`ref`	`gcc`	20190926	20190816

Compiler output

Implementation: ref
Security model: unknown
Compiler: cc

dh.c: dh.c: In function 'crypto_dh_nist521gs_ref_keypair':
dh.c: dh.c:831:2: warning: implicit declaration of function 'randombytes' [-Wimplicit-function-declaration]
dh.c: randombytes(sk,PANES-1);
dh.c: ^~~~~~~~~~~

Number of similar (compiler,implementation) pairs: 19, namely:

Compiler	Implementations
cc	ref
gcc	ref
gcc -O2 -fomit-frame-pointer	ref
gcc -O3 -fomit-frame-pointer	ref
gcc -O -fomit-frame-pointer	ref
gcc -Os -fomit-frame-pointer	ref
gcc -fno-schedule-insns -O2 -fomit-frame-pointer	ref
gcc -fno-schedule-insns -O3 -fomit-frame-pointer	ref
gcc -fno-schedule-insns -O -fomit-frame-pointer	ref
gcc -fno-schedule-insns -Os -fomit-frame-pointer	ref
gcc -funroll-loops	ref
gcc -funroll-loops -O2 -fomit-frame-pointer	ref
gcc -funroll-loops -O3 -fomit-frame-pointer	ref
gcc -funroll-loops -O -fomit-frame-pointer	ref
gcc -funroll-loops -Os -fomit-frame-pointer	ref
gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer	ref
gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer	ref
gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer	ref
gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer	ref

Compiler output

Implementation: ref
Security model: unknown
Compiler: clang -O3 -fomit-frame-pointer -Qunused-arguments

dh.c: dh.c:831:2: warning: implicit declaration of function 'randombytes' is invalid in C99 [-Wimplicit-function-declaration]
dh.c: randombytes(sk,PANES-1);
dh.c: ^
dh.c: 1 warning generated.

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

Compiler	Implementations
clang -O3 -fomit-frame-pointer -Qunused-arguments	ref
clang -O3 -fwrapv -mavx2 -fomit-frame-pointer -Qunused-arguments	ref
clang -O3 -fwrapv -mavx -fomit-frame-pointer -Qunused-arguments	ref
clang -O3 -fwrapv -mavx -maes -mpclmul -fomit-frame-pointer -Qunused-arguments	ref
clang -mcpu=native -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments	ref