Implementation notes: amd64, shoe, crypto_stream/lexv2

Computer: shoe
Microarchitecture: amd64; Broadwell+AES (306d4)
Architecture: amd64
CPU ID: GenuineIntel-000306d4-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_stream
Primitive: lexv2
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
70239418 0 125256 812 984T:e/v2/schwabe/amd64-1clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
70259368 0 121822 804 952T:e/v2/schwabe/amd64-1clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
70289418 0 122150 804 952T:e/v2/schwabe/amd64-1clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
70319519 0 422784 780 1048T:e/v2/schwabe/amd64-1gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
70329418 0 125128 812 984T:e/v2/schwabe/amd64-1clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
70379346 0 421163 756 1016T:e/v2/schwabe/amd64-1gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
70449519 0 424592 780 1048T:e/v2/schwabe/amd64-1gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
70599418 0 124488 812 952T:e/v2/schwabe/amd64-1clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
70649514 0 422455 772 1048T:e/v2/schwabe/amd64-1gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
70998974 0 124680 812 984T:e/v2/schwabe/amd64-2clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
71038974 0 124808 812 984T:e/v2/schwabe/amd64-2clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
71068902 0 420715 756 1016T:e/v2/schwabe/amd64-2gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
71129070 0 422007 772 1048T:e/v2/schwabe/amd64-2gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
71259075 0 422336 780 1048T:e/v2/schwabe/amd64-2gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
71319075 0 424144 780 1048T:e/v2/schwabe/amd64-2gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
71338924 0 121374 804 952T:e/v2/schwabe/amd64-2clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
71348974 0 121702 804 952T:e/v2/schwabe/amd64-2clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
71398974 0 124040 812 952T:e/v2/schwabe/amd64-2clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
767313791 0 425587 756 1016T:e/v2/refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
778316662 0 431800 780 1048T:e/v2/refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
795714602 0 427912 780 1048T:e/v2/refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
822314380 0 427335 772 1048T:e/v2/refgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
934316009 0 131760 812 984T:e/v2/refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
936317561 0 133392 812 984T:e/v2/refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
962517290 0 132368 812 952T:e/v2/refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
973515038 0 127518 804 952T:e/v2/refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625
979115234 0 127934 804 952T:e/v2/refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062920240625

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)