Implementation notes: amd64, kizomba, crypto_stream/lexv2

Computer: kizomba
Microarchitecture: amd64; Kaby Lake (906e9)
Architecture: amd64
CPU ID: GenuineIntel-000906e9-1fc9cbf5
SUPERCOP version: 20240107
Operation: crypto_stream
Primitive: lexv2
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
68079418 0 121772 816 800T:e/v2/schwabe/amd64-1clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121320231212
68229462 0 421129 752 840T:e/v2/schwabe/amd64-1gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121320231212
68279418 0 125524 816 816T:e/v2/schwabe/amd64-1clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121320231212
68339652 0 425094 776 872T:e/v2/schwabe/amd64-1gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121320231212
68399418 0 125804 816 864T:e/v2/schwabe/amd64-1clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121320231212
68399418 0 124140 816 800T:e/v2/schwabe/amd64-1clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121320231212
68399632 0 422453 768 872T:e/v2/schwabe/amd64-1gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121320231212
68419368 0 122574 808 856T:e/v2/schwabe/amd64-1clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121320231212
68439652 0 422902 776 872T:e/v2/schwabe/amd64-1gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121320231212
71188974 0 121324 816 800T:e/v2/schwabe/amd64-2clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121320231212
71218974 0 123692 816 800T:e/v2/schwabe/amd64-2clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121320231212
71318974 0 125076 816 816T:e/v2/schwabe/amd64-2clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121320231212
71338974 0 125356 816 864T:e/v2/schwabe/amd64-2clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121320231212
71399208 0 422454 776 872T:e/v2/schwabe/amd64-2gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121320231212
71419018 0 420681 752 840T:e/v2/schwabe/amd64-2gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121320231212
71449208 0 424646 776 872T:e/v2/schwabe/amd64-2gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121320231212
71449188 0 422005 768 872T:e/v2/schwabe/amd64-2gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121320231212
72858924 0 122126 808 856T:e/v2/schwabe/amd64-2clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121320231212
761515050 0 428726 776 872T:e/v2/refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121320231212
764514380 0 426385 752 840T:e/v2/refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121320231212
769517844 0 433694 776 872T:e/v2/refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121320231212
814614866 0 428061 768 872T:e/v2/refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121320231212
886417353 0 133748 816 864T:e/v2/refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121320231212
892917194 0 131940 816 800T:e/v2/refclang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121320231212
901215112 0 128302 808 856T:e/v2/refclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121320231212
903115801 0 131900 816 816T:e/v2/refclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121320231212
920415298 0 127636 816 800T:e/v2/refclang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121320231212

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