Implementation notes: amd64, comet, crypto_stream/lexv2

Computer: comet
Microarchitecture: amd64; Comet Lake (806ec)
Architecture: amd64
CPU ID: GenuineIntel-000806ec-bfebfbff
SUPERCOP version: 20240107
Operation: crypto_stream
Primitive: lexv2

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
6821	9418 0 1	26297 852 1024	`T:e/v2/schwabe/amd64-1`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240105	20231222
6826	9368 0 1	23063 844 1024	`T:e/v2/schwabe/amd64-1`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240105	20231222
6826	9418 0 1	24633 852 960	`T:e/v2/schwabe/amd64-1`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240105	20231222
6829	9418 0 1	26017 852 992	`T:e/v2/schwabe/amd64-1`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240105	20231222
6836	9418 0 1	22265 852 960	`T:e/v2/schwabe/amd64-1`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240105	20231222
6858	9335 0 4	20879 756 1024	`T:e/v2/schwabe/amd64-1`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240105	20231222
6859	9519 0 4	24684 780 1056	`T:e/v2/schwabe/amd64-1`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240105	20231222
6861	9519 0 4	22732 780 1056	`T:e/v2/schwabe/amd64-1`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240105	20231222
6863	9517 0 4	22275 772 1056	`T:e/v2/schwabe/amd64-1`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240105	20231222
7103	8974 0 1	24185 852 960	`T:e/v2/schwabe/amd64-2`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240105	20231222
7104	8974 0 1	21817 852 960	`T:e/v2/schwabe/amd64-2`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240105	20231222
7119	8924 0 1	22615 844 1024	`T:e/v2/schwabe/amd64-2`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240105	20231222
7120	8974 0 1	25569 852 992	`T:e/v2/schwabe/amd64-2`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240105	20231222
7156	8891 0 4	20431 756 1024	`T:e/v2/schwabe/amd64-2`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240105	20231222
7160	9075 0 4	22284 780 1056	`T:e/v2/schwabe/amd64-2`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240105	20231222
7163	8974 0 1	25849 852 1024	`T:e/v2/schwabe/amd64-2`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240105	20231222
7169	9075 0 4	24236 780 1056	`T:e/v2/schwabe/amd64-2`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240105	20231222
7170	9073 0 4	21827 772 1056	`T:e/v2/schwabe/amd64-2`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240105	20231222
7504	16759 0 4	31980 780 1056	`T:e/v2/ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240105	20231222
7626	14558 0 4	27812 780 1056	`T:e/v2/ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240105	20231222
7647	13969 0 4	25535 756 1024	`T:e/v2/ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240105	20231222
8161	14701 0 4	27459 772 1056	`T:e/v2/ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240105	20231222
8939	17353 0 1	34241 852 1024	`T:e/v2/ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240105	20231222
8942	15801 0 1	32393 852 992	`T:e/v2/ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240105	20231222
9073	15112 0 1	28791 844 1024	`T:e/v2/ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240105	20231222
9084	17194 0 1	32433 852 960	`T:e/v2/ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240105	20231222
9281	15298 0 1	28129 852 960	`T:e/v2/ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240105	20231222

Compiler output

Implementation: T:e/v2/ref
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

lex.c: In file included from lex.c:1:
lex.c: ./e/lex.c:685:9: warning: array index 10 is past the end of the array (which contains 10 elements) [-Warray-bounds]
lex.c: ctx->ks[10] = (t0 & 0xFF00FF00) ^ ((t2 & 0xFF00FF00)>>8); /* Leak for odd rounds */
lex.c: ^ ~~
lex.c: ./e/ecrypt-sync.h:53:3: note: array 'ks' declared here
lex.c: u32 ks[NUMWORDS]; /* Keystream words collected from leaks */
lex.c: ^
lex.c: In file included from lex.c:1:
lex.c: ./e/lex.c:692:6: warning: array index 11 is past the end of the array (which contains 10 elements) [-Warray-bounds]
lex.c: ctx->ks[11] = ((s0 & 0xFF00FF)<<8) ^ (s2 & 0xFF00FF); /* Leak for even rounds */
lex.c: ^ ~~
lex.c: ./e/ecrypt-sync.h:53:3: note: array 'ks' declared here
lex.c: u32 ks[NUMWORDS]; /* Keystream words collected from leaks */
lex.c: ^
lex.c: In file included from lex.c:1:
lex.c: ./e/lex.c:698:13: warning: array index 12 is past the end of the array (which contains 10 elements) [-Warray-bounds]
lex.c: ctx->ks[12] = (t0 & 0xFF00FF00) ^ ((t2 & 0xFF00FF00)>>8); /* Leak for odd rounds */
lex.c: ^ ~~
lex.c: ./e/ecrypt-sync.h:53:3: note: array 'ks' declared here
lex.c: u32 ks[NUMWORDS]; /* Keystream words collected from leaks */
lex.c: ^
lex.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	T:e/v2/ref
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:e/v2/ref
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:e/v2/ref
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:e/v2/ref
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:e/v2/ref

Compiler output

Implementation: T:e/v2/schwabe/amd64-1
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

try.c: /usr/bin/ld: warning: table.o: missing .note.GNU-stack section implies executable stack
try.c: /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker
try.c: /usr/bin/ld: warning: table.o: missing .note.GNU-stack section implies executable stack
try.c: /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker
measure.c: /usr/bin/ld: warning: table.o: missing .note.GNU-stack section implies executable stack
measure.c: /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker

Number of similar (compiler,implementation) pairs: 9, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:e/v2/schwabe/amd64-1
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:e/v2/schwabe/amd64-1
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:e/v2/schwabe/amd64-1
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:e/v2/schwabe/amd64-1
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:e/v2/schwabe/amd64-1
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:e/v2/schwabe/amd64-1
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:e/v2/schwabe/amd64-1
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:e/v2/schwabe/amd64-1
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:e/v2/schwabe/amd64-1

Compiler output

Implementation: T:e/v2/schwabe/amd64-2
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

try.c: /usr/bin/ld: warning: lex.o: missing .note.GNU-stack section implies executable stack
try.c: /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker
try.c: /usr/bin/ld: warning: lex.o: missing .note.GNU-stack section implies executable stack
try.c: /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker
measure.c: /usr/bin/ld: warning: lex.o: missing .note.GNU-stack section implies executable stack
measure.c: /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker

Number of similar (compiler,implementation) pairs: 9, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:e/v2/schwabe/amd64-2
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:e/v2/schwabe/amd64-2
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:e/v2/schwabe/amd64-2
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:e/v2/schwabe/amd64-2
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:e/v2/schwabe/amd64-2
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:e/v2/schwabe/amd64-2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:e/v2/schwabe/amd64-2
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:e/v2/schwabe/amd64-2
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:e/v2/schwabe/amd64-2