Implementation notes: amd64, samba, crypto_stream/cryptmtv3
Computer: samba
Microarchitecture: amd64; Skylake (506e3)
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_stream
Primitive: cryptmtv3
| Time | Object size | Test size | Implementation | Compiler | Benchmark date | SUPERCOP version |
|---|
| 6740 | 9817 4 1 | 22603 848 960 | T:e/v3 | clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240626 | 20240625 |
| 6885 | 10043 4 1 | 25195 848 960 | T:e/v3 | clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240626 | 20240625 |
| 6898 | 10706 4 1 | 27211 848 992 | T:e/v3 | clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240626 | 20240625 |
| 6904 | 10722 4 1 | 27523 848 1024 | T:e/v3 | clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240626 | 20240625 |
| 6922 | 10287 4 4 | 24085 808 1056 | T:e/v3 | gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240626 | 20240625 |
| 7012 | 9127 4 1 | 22741 840 1024 | T:e/v3 | clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240626 | 20240625 |
Compiler output
cryptmt-v3.c: In file included from cryptmt-v3.c:1:
cryptmt-v3.c: In file included from ./e/cryptmt-v3.c:66:
cryptmt-v3.c: ./e/sse2.c:126:10: warning: variable 'accum' set but not used [-Wunused-but-set-variable]
cryptmt-v3.c: u32 *accum;
cryptmt-v3.c: ^
cryptmt-v3.c: In file included from cryptmt-v3.c:1:
cryptmt-v3.c: ./e/cryptmt-v3.c:149:10: warning: variable 'accum' set but not used [-Wunused-but-set-variable]
cryptmt-v3.c: u32 *accum;
cryptmt-v3.c: ^
cryptmt-v3.c: ./e/cryptmt-v3.c:187:2: warning: array index 156 is past the end of the array (which contains 156 elements) [-Warray-bounds]
cryptmt-v3.c: ps->sfmt[N][i] = ps->sfmt[0][i];
cryptmt-v3.c: ^ ~
cryptmt-v3.c: ./e/cryptmt-v3.c:25:5: note: array 'sfmt' declared here
cryptmt-v3.c: u32 sfmt[N][4];
cryptmt-v3.c: ^
cryptmt-v3.c: ./e/cryptmt-v3.c:189:18: warning: array index 156 is past the end of the array (which contains 156 elements) [-Warray-bounds]
cryptmt-v3.c: do_recursion(ps->sfmt[N], ps->sfmt[POS1], ps->sfmt[N - 1]);
cryptmt-v3.c: ^ ~
cryptmt-v3.c: ./e/cryptmt-v3.c:25:5: note: array 'sfmt' declared here
cryptmt-v3.c: u32 sfmt[N][4];
cryptmt-v3.c: ^
cryptmt-v3.c: 4 warnings generated.
Number of similar (implementation,compiler) pairs: 5, namely:
| Implementation | Compiler |
| T:e/v3 | clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0) |
| T:e/v3 | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0) |
| T:e/v3 | clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0) |
| T:e/v3 | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0) |
| T:e/v3 | clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0) |
Compiler output
cryptmt-v3.c: In file included from e/cryptmt-v3.c:66,
cryptmt-v3.c: from cryptmt-v3.c:1:
cryptmt-v3.c: e/sse2.c: In function 'fast_genrand_bytes':
cryptmt-v3.c: e/sse2.c:126:10: warning: variable 'accum' set but not used [-Wunused-but-set-variable]
cryptmt-v3.c: 126 | u32 *accum;
cryptmt-v3.c: | ^~~~~
cryptmt-v3.c: In file included from cryptmt-v3.c:1:
cryptmt-v3.c: e/cryptmt-v3.c: In function 'genrand_bytes':
cryptmt-v3.c: e/cryptmt-v3.c:149:10: warning: variable 'accum' set but not used [-Wunused-but-set-variable]
cryptmt-v3.c: 149 | u32 *accum;
cryptmt-v3.c: | ^~~~~
cryptmt-v3.c: e/cryptmt-v3.c: In function 'genrand_block_first':
cryptmt-v3.c: e/cryptmt-v3.c:187:17: warning: array subscript 156 is above array bounds of 'u32[156][4]' {aka 'unsigned int[156][4]'} [-Warray-bounds]
cryptmt-v3.c: 187 | ps->sfmt[N][i] = ps->sfmt[0][i];
cryptmt-v3.c: | ~~~~~~~~^~~
cryptmt-v3.c: In file included from cryptmt-v3.c:1:
cryptmt-v3.c: e/cryptmt-v3.c:25:9: note: while referencing 'sfmt'
cryptmt-v3.c: 25 | u32 sfmt[N][4];
cryptmt-v3.c: | ^~~~
cryptmt-v3.c: In file included from cryptmt-v3.c:1:
cryptmt-v3.c: e/cryptmt-v3.c:187:17: warning: array subscript 156 is above array bounds of 'u32[156][4]' {aka 'unsigned int[156][4]'} [-Warray-bounds]
cryptmt-v3.c: 187 | ps->sfmt[N][i] = ps->sfmt[0][i];
cryptmt-v3.c: | ~~~~~~~~^~~
cryptmt-v3.c: In file included from cryptmt-v3.c:1:
cryptmt-v3.c: e/cryptmt-v3.c:25:9: note: while referencing 'sfmt'
cryptmt-v3.c: ...
Number of similar (implementation,compiler) pairs: 3, namely:
| Implementation | Compiler |
| T:e/v3 | gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0) |
| T:e/v3 | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0) |
| T:e/v3 | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0) |
Compiler output
cryptmt-v3.c: In file included from e/cryptmt-v3.c:66,
cryptmt-v3.c: from cryptmt-v3.c:1:
cryptmt-v3.c: e/sse2.c: In function 'fast_genrand_bytes':
cryptmt-v3.c: e/sse2.c:126:10: warning: variable 'accum' set but not used [-Wunused-but-set-variable]
cryptmt-v3.c: 126 | u32 *accum;
cryptmt-v3.c: | ^~~~~
cryptmt-v3.c: In file included from cryptmt-v3.c:1:
cryptmt-v3.c: e/cryptmt-v3.c: In function 'genrand_bytes':
cryptmt-v3.c: e/cryptmt-v3.c:149:10: warning: variable 'accum' set but not used [-Wunused-but-set-variable]
cryptmt-v3.c: 149 | u32 *accum;
cryptmt-v3.c: | ^~~~~
Number of similar (implementation,compiler) pairs: 1, namely:
| Implementation | Compiler |
| T:e/v3 | gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0) |