Implementation notes: amd64, cubi10, crypto_stream/lexv2

Computer: cubi10
Microarchitecture: amd64; Comet Lake (806ec)
Architecture: amd64
CPU ID: GenuineIntel-000806ec-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_stream
Primitive: lexv2
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
68099519 0 424912 780 1048T:e/v2/schwabe/amd64-1gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
68149368 0 121830 804 952T:e/v2/schwabe/amd64-1clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
68179418 0 125264 812 984T:e/v2/schwabe/amd64-1clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
68189418 0 124496 812 952T:e/v2/schwabe/amd64-1clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
68239519 0 422920 780 1048T:e/v2/schwabe/amd64-1gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
68309514 0 422463 772 1048T:e/v2/schwabe/amd64-1gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
68329418 0 125136 812 984T:e/v2/schwabe/amd64-1clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
68329346 0 421139 756 1016T:e/v2/schwabe/amd64-1gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
68409418 0 122158 804 952T:e/v2/schwabe/amd64-1clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
71059075 0 422472 780 1048T:e/v2/schwabe/amd64-2gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
71078924 0 121382 804 952T:e/v2/schwabe/amd64-2clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
71088974 0 124816 812 984T:e/v2/schwabe/amd64-2clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
71098974 0 124048 812 952T:e/v2/schwabe/amd64-2clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
71168974 0 124688 812 984T:e/v2/schwabe/amd64-2clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
71168902 0 420691 756 1016T:e/v2/schwabe/amd64-2gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
71259070 0 422015 772 1048T:e/v2/schwabe/amd64-2gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
71289075 0 424464 780 1048T:e/v2/schwabe/amd64-2gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
71308974 0 121710 804 952T:e/v2/schwabe/amd64-2clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
725913788 0 425595 756 1016T:e/v2/refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
746316646 0 432088 780 1048T:e/v2/refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
774114602 0 428048 780 1048T:e/v2/refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
783214380 0 427343 772 1048T:e/v2/refgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
864615785 0 131544 812 984T:e/v2/refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
865917337 0 133176 812 984T:e/v2/refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
898717290 0 132376 812 952T:e/v2/refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
925215199 0 127686 804 952T:e/v2/refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
934015314 0 128022 804 952T:e/v2/refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625

Compiler output


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 (implementation,compiler) pairs: 5, namely:
ImplementationCompiler
T:e/v2/refclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:e/v2/refclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:e/v2/refclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:e/v2/refclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:e/v2/refclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

Compiler output


lex.c: In file included from lex.c:1:
lex.c: e/lex.c: In function 'rijndaelEncrypt':
lex.c: e/lex.c:685:16: warning: array subscript 10 is above array bounds of 'u32[10]' {aka 'unsigned int[10]'} [-Warray-bounds]
lex.c:   685 |         ctx->ks[10] = (t0 & 0xFF00FF00) ^ ((t2 & 0xFF00FF00)>>8); /* Leak for odd rounds */
lex.c:       |         ~~~~~~~^~~~
lex.c: In file included from e/lex.c:34,
lex.c:                  from lex.c:1:
lex.c: e/ecrypt-sync.h:53:7: note: while referencing 'ks'
lex.c:    53 |   u32 ks[NUMWORDS];                     /* Keystream words collected from leaks */
lex.c:       |       ^~
lex.c: In file included from lex.c:1:
lex.c: e/lex.c:692:13: warning: array subscript 11 is above array bounds of 'u32[10]' {aka 'unsigned int[10]'} [-Warray-bounds]
lex.c:   692 |      ctx->ks[11] = ((s0 & 0xFF00FF)<<8) ^ (s2 & 0xFF00FF);    /* Leak for even rounds */
lex.c:       |      ~~~~~~~^~~~
lex.c: In file included from e/lex.c:34,
lex.c:                  from lex.c:1:
lex.c: e/ecrypt-sync.h:53:7: note: while referencing 'ks'
lex.c:    53 |   u32 ks[NUMWORDS];                     /* Keystream words collected from leaks */
lex.c:       |       ^~
lex.c: In file included from lex.c:1:
lex.c: e/lex.c:698:20: warning: array subscript 12 is above array bounds of 'u32[10]' {aka 'unsigned int[10]'} [-Warray-bounds]
lex.c:   698 |             ctx->ks[12] = (t0 & 0xFF00FF00) ^ ((t2 & 0xFF00FF00)>>8); /* Leak for odd rounds */
lex.c:       |             ~~~~~~~^~~~
lex.c: In file included from e/lex.c:34,
lex.c:                  from lex.c:1:
lex.c: ...

Number of similar (implementation,compiler) pairs: 3, namely:
ImplementationCompiler
T:e/v2/refgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:e/v2/refgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:e/v2/refgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)