Implementation notes: amd64, scw1b63b1, crypto_stream/cryptmtv3

Computer: scw1b63b1
Architecture: amd64
CPU ID: GenuineIntel-000506f1-0f8bfbff
SUPERCOP version: 20191017
Operation: crypto_stream
Primitive: cryptmtv3

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
6200	10199 4 1	21889 788 800	`e/v3`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191215	20191017
6200	10199 4 1	22713 788 808	`e/v3`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191215	20191017
6200	10199 4 1	21889 788 800	`e/v3`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191215	20191017
6336	9844 4 1	20619 780 800	`e/v3`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191215	20191017
6488	10884 4 1	23441 788 808	`e/v3`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191215	20191017
6762	5698 4 4	16407 788 832	`e/v3`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191215	20191017
6808	12707 4 4	26924 812 864	`e/v3`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191215	20191017
6946	10979 4 4	23035 804 864	`e/v3`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191215	20191017
6990	12577 4 4	24355 804 864	`e/v3`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191215	20191017

Compiler output

Implementation: e/v3
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

cryptmt-v3.c: In file included from cryptmt-v3.c:2:
cryptmt-v3.c: ./e/cryptmt-v3.c:189:18: warning: array index 156 is past the end of the array (which contains 156 elements) [-Warray-bounds]
cryptmt-v3.c: do_recursion(ps->sfmt[N], ps->sfmt[POS1], ps->sfmt[N - 1]);
cryptmt-v3.c: ^ ~
cryptmt-v3.c: ./e/cryptmt-v3.c:25:5: note: array 'sfmt' declared here
cryptmt-v3.c: u32 sfmt[N][4];
cryptmt-v3.c: ^
cryptmt-v3.c: ./e/cryptmt-v3.c:403:27: warning: 'memset' call operates on objects of type 'crypto_stream_cryptmtv3_e_v3_ECRYPT_ctx' while the size is based on a different type 'crypto_stream_cryptmtv3_e_v3_ECRYPT_ctx *' [-Wsizeof-pointer-memaccess]
cryptmt-v3.c: memset(ctx, 0, sizeof(ctx));
cryptmt-v3.c: ~~~ ^~~
cryptmt-v3.c: ./e/cryptmt-v3.c:403:27: note: did you mean to dereference the argument to 'sizeof' (and multiply it by the number of elements)?
cryptmt-v3.c: memset(ctx, 0, sizeof(ctx));
cryptmt-v3.c: ^~~
cryptmt-v3.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	e/v3
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/v3
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/v3
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/v3
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/v3