Implementation notes: amd64, luft, crypto_stream/cryptmtv3

Computer: luft
Architecture: amd64
CPU ID: GenuineIntel-000306d4-bfebfbff
SUPERCOP version: 20200702
Operation: crypto_stream
Primitive: cryptmtv3

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
7264	10441 5 0	24576 4096 0	`e/v3`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200709	20200702
7444	10150 5 0	24576 4096 0	`e/v3`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200709	20200702
7660	12770 8 0	28672 4096 0	`e/v3`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200709	20200702
7712	9930 8 0	24576 4096 0	`e/v3`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200709	20200702
8120	10457 5 0	24576 4096 0	`e/v3`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200709	20200702
8156	10118 8 0	24576 4096 0	`e/v3`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200709	20200702
8180	6340 8 0	20480 4096 0	`e/v3`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200709	20200702
8248	10441 5 0	24576 4096 0	`e/v3`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200709	20200702
8484	9879 5 0	20480 4096 0	`e/v3`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200709	20200702

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:187:2: warning: array index 156 is past the end of the array (which contains 156 elements) [-Warray-bounds]
cryptmt-v3.c: ps->sfmt[N][i] = ps->sfmt[0][i];
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: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: 3 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