Implementation notes: amd64, cezanne, crypto_stream/cryptmtv3
Computer: cezanne
Microarchitecture: amd64; Zen 3 (a50f00)
Architecture: amd64
CPU ID: AuthenticAMD-00a50f00-178bfbff
SUPERCOP version: 20240808
Operation: crypto_stream
Primitive: cryptmtv3
Time | Object size | Test size | Implementation | Compiler | Benchmark date | SUPERCOP version |
6308 | 10234 4 1 | 25744 816 984 | T:e/v3 | clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240716 | 20240716 |
6328 | 10234 4 1 | 25632 816 984 | T:e/v3 | clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240716 | 20240716 |
6328 | 10706 4 1 | 25816 816 952 | T:e/v3 | clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240716 | 20240716 |
6335 | 10015 4 1 | 22518 808 952 | T:e/v3 | clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240716 | 20240716 |
6487 | 7594 4 1 | 20526 808 952 | T:e/v3 | clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240716 | 20240716 |
6666 | 12428 4 4 | 27704 784 1048 | T:e/v3 | gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240716 | 20240716 |
6695 | 9386 4 4 | 22952 784 1048 | T:e/v3 | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240716 | 20240716 |
6864 | 10149 4 4 | 23288 784 1048 | T:e/v3 | gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240716 | 20240716 |
7065 | 5914 4 4 | 17867 760 1016 | T:e/v3 | gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240716 | 20240716 |
Compiler output
cryptmt-v3.c: In file included from cryptmt-v3.c:1:
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: 2 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 (Debian_Clang_11.0.1) |
T:e/v3 | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
T:e/v3 | clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
T:e/v3 | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
T:e/v3 | clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
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:187:10: 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:187:10: 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 (10.2.1_20210110) |
T:e/v3 | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
T:e/v3 | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
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 (10.2.1_20210110) |