Implementation notes: amd64, rome0, crypto_stream/lexv2

Computer: rome0
Microarchitecture: amd64; Zen 2 (830f10)
Architecture: amd64
CPU ID: AuthenticAMD-00830f10-178bfbff
SUPERCOP version: 20240107
Operation: crypto_stream
Primitive: lexv2
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
69279418 0 124544 812 952T:e/v2/schwabe/amd64-1clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121220231212
69429346 0 421219 756 1016T:e/v2/schwabe/amd64-1gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121220231212
69459418 0 124248 812 984T:e/v2/schwabe/amd64-1clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121220231212
69459514 0 422543 772 1048T:e/v2/schwabe/amd64-1gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121220231212
69469559 0 424776 780 1048T:e/v2/schwabe/amd64-1gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121220231212
69589559 0 423064 780 1048T:e/v2/schwabe/amd64-1gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121220231212
69659418 0 124408 812 984T:e/v2/schwabe/amd64-1clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121220231212
69669418 0 122206 804 952T:e/v2/schwabe/amd64-1clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121220231212
69689368 0 121846 804 952T:e/v2/schwabe/amd64-1clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121220231212
727713793 0 425675 756 1016T:e/v2/refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121220231212
748317094 0 432352 780 1048T:e/v2/refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121220231212
751314622 0 427663 772 1048T:e/v2/refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121220231212
75818974 0 123960 812 984T:e/v2/schwabe/amd64-2clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121220231212
76378924 0 121398 804 952T:e/v2/schwabe/amd64-2clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121220231212
76418974 0 121758 804 952T:e/v2/schwabe/amd64-2clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121220231212
76529115 0 422616 780 1048T:e/v2/schwabe/amd64-2gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121220231212
76629115 0 424328 780 1048T:e/v2/schwabe/amd64-2gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121220231212
76748974 0 123800 812 984T:e/v2/schwabe/amd64-2clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121220231212
76749070 0 422095 772 1048T:e/v2/schwabe/amd64-2gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121220231212
768415122 0 428656 780 1048T:e/v2/refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121220231212
76928974 0 124096 812 952T:e/v2/schwabe/amd64-2clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121220231212
77088902 0 420771 756 1016T:e/v2/schwabe/amd64-2gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121220231212
788715233 0 130104 812 984T:e/v2/refclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121220231212
791516713 0 131696 812 984T:e/v2/refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121220231212
805215232 0 127758 804 952T:e/v2/refclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121220231212
853415026 0 127782 804 952T:e/v2/refclang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121220231212
863917290 0 132424 812 952T:e/v2/refclang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121220231212

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:
CompilerImplementations
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