Implementation notes: amd64, icelake, crypto_aead/led80n6t4silcv3

Computer: icelake
Architecture: amd64
CPU ID: GenuineIntel-000706e5-bfebfbff
SUPERCOP version: 20200826
Operation: crypto_aead
Primitive: led80n6t4silcv3

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
814765	7617 32 0	24576 4096 0	`T:vperm`	`opt-local-bin-gcc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200826	20200826
819215	6791 32 0	24576 4096 0	`T:vperm`	`opt-local-bin-gcc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200826	20200826
1478248	5707 32 0	20480 4096 0	`T:vperm`	`opt-local-bin-gcc_-march=icelake-client_-mtune=icelake-client_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200826	20200826
38812983	8369 8 0	28672 4096 0	`T:ref`	`opt-local-bin-gcc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200826	20200826
42391712	6842 8 0	24576 4096 0	`T:ref`	`clang_-march=icelake-client_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200826	20200826
42448123	7265 8 0	24576 4096 0	`T:ref`	`clang_-march=icelake-client_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200826	20200826
68894540	4497 8 0	20480 4096 0	`T:ref`	`opt-local-bin-gcc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200826	20200826
94537552	3629 8 0	16384 4096 0	`T:ref`	`clang_-march=icelake-client_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200826	20200826
284799941	3659 8 0	20480 4096 0	`T:ref`	`opt-local-bin-gcc_-march=icelake-client_-mtune=icelake-client_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200826	20200826

Compiler output

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

silc.c: silc.c:174:34: warning: implicit conversion from 'int' to 'char' changes value from 135 to -121 [-Wconstant-conversion]
silc.c: state = XORDQW(tmpState, SHR(state, 8));
silc.c: ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
silc.c: ./common.h:30:63: note: expanded from macro 'SHR'
silc.c: #define SHR(x,n) _mm_shuffle_epi8((x), _mm_set_epi8(127+(n), 126+(n), 125+(n), 124+(n), 123+(n), 122+(n), 121+(n), 120+(n), 119+(n), 118+(n), 117+(n), 116+(n), 115+(n), 114+(n), 113+(n), 112+(n))) // shift to the right
silc.c: ~~~~~~~~~~~~ ^
silc.c: ./common.h:18:43: note: expanded from macro 'XORDQW'
silc.c: #define XORDQW(x, y) _mm_xor_si128((x), (y))
silc.c: ^
silc.c: silc.c:174:34: warning: implicit conversion from 'int' to 'char' changes value from 134 to -122 [-Wconstant-conversion]
silc.c: state = XORDQW(tmpState, SHR(state, 8));
silc.c: ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
silc.c: ./common.h:30:72: note: expanded from macro 'SHR'
silc.c: #define SHR(x,n) _mm_shuffle_epi8((x), _mm_set_epi8(127+(n), 126+(n), 125+(n), 124+(n), 123+(n), 122+(n), 121+(n), 120+(n), 119+(n), 118+(n), 117+(n), 116+(n), 115+(n), 114+(n), 113+(n), 112+(n))) // shift to the right
silc.c: ~~~~~~~~~~~~ ^
silc.c: ./common.h:18:43: note: expanded from macro 'XORDQW'
silc.c: #define XORDQW(x, y) _mm_xor_si128((x), (y))
silc.c: ^
silc.c: silc.c:174:34: warning: implicit conversion from 'int' to 'char' changes value from 133 to -123 [-Wconstant-conversion]
silc.c: state = XORDQW(tmpState, SHR(state, 8));
silc.c: ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
silc.c: ./common.h:30:81: note: expanded from macro 'SHR'
silc.c: #define SHR(x,n) _mm_shuffle_epi8((x), _mm_set_epi8(127+(n), 126+(n), 125+(n), 124+(n), 123+(n), 122+(n), 121+(n), 120+(n), 119+(n), 118+(n), 117+(n), 116+(n), 115+(n), 114+(n), 113+(n), 112+(n))) // shift to the right
silc.c: ~~~~~~~~~~~~ ^
silc.c: ./common.h:18:43: note: expanded from macro 'XORDQW'
silc.c: ...

Number of similar (compiler,implementation) pairs: 3, namely:

Compiler	Implementations
clang -march=icelake-client -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:vperm
clang -march=icelake-client -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:vperm
clang -march=icelake-client -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:vperm