Implementation notes: amd64, comet, crypto_hash/mcssha6
Computer: comet
Microarchitecture: amd64; Comet Lake (806ec)
Architecture: amd64
CPU ID: GenuineIntel-000806ec-bfebfbff
SUPERCOP version: 20240808
Operation: crypto_hash
Primitive: mcssha6
Time | Object size | Test size | Implementation | Compiler | Benchmark date | SUPERCOP version |
61551 | 5526 0 0 | 18441 852 896 | T:ref | clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240629 | 20240625 |
66150 | 6299 0 0 | 19140 780 960 | T:ref | gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240629 | 20240625 |
66189 | 5378 0 0 | 16276 780 960 | T:ref | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240629 | 20240625 |
66299 | 4779 0 0 | 15163 772 960 | T:ref | gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240629 | 20240625 |
66527 | 4630 0 0 | 15241 852 896 | T:ref | clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240629 | 20240625 |
67865 | 7062 0 0 | 21569 852 960 | T:ref | clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240629 | 20240625 |
67884 | 7354 0 0 | 21449 852 928 | T:ref | clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240629 | 20240625 |
71077 | 3754 0 0 | 13103 756 928 | T:ref | gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240629 | 20240625 |
71332 | 5404 0 0 | 16799 844 960 | T:ref | clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240629 | 20240625 |
Compiler output
mcssha6.c: mcssha6.c:54:8: warning: unused variable 'filename' [-Wunused-variable]
mcssha6.c: char filename[128];
mcssha6.c: ^
mcssha6.c: mcssha6.c:376:26: warning: unused variable 'x1' [-Wunused-variable]
mcssha6.c: register unsigned long x1,x2,x3,x4,i;
mcssha6.c: ^
mcssha6.c: mcssha6.c:376:29: warning: unused variable 'x2' [-Wunused-variable]
mcssha6.c: register unsigned long x1,x2,x3,x4,i;
mcssha6.c: ^
mcssha6.c: mcssha6.c:376:32: warning: unused variable 'x3' [-Wunused-variable]
mcssha6.c: register unsigned long x1,x2,x3,x4,i;
mcssha6.c: ^
mcssha6.c: mcssha6.c:376:35: warning: unused variable 'x4' [-Wunused-variable]
mcssha6.c: register unsigned long x1,x2,x3,x4,i;
mcssha6.c: ^
mcssha6.c: mcssha6.c:378:15: warning: unused variable 'empty' [-Wunused-variable]
mcssha6.c: BitSequence empty,bits,last;
mcssha6.c: ^
mcssha6.c: mcssha6.c:378:21: warning: unused variable 'bits' [-Wunused-variable]
mcssha6.c: BitSequence empty,bits,last;
mcssha6.c: ^
mcssha6.c: mcssha6.c:378:26: warning: unused variable 'last' [-Wunused-variable]
mcssha6.c: BitSequence empty,bits,last;
mcssha6.c: ^
mcssha6.c: 8 warnings generated.
Number of similar (implementation,compiler) pairs: 5, namely:
Implementation | Compiler |
T:ref | clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6) |
T:ref | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6) |
T:ref | clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6) |
T:ref | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6) |
T:ref | clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6) |
Compiler output
mcssha6.c: mcssha6.c: In function 'Init':
mcssha6.c: mcssha6.c:60:23: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
mcssha6.c: 60 | if(hashbitlen == 224 | hashbitlen == 256)
mcssha6.c: | ~~~~~~~~~~~^~~~~~
mcssha6.c: mcssha6.c:54:22: warning: unused variable 'filename' [-Wunused-variable]
mcssha6.c: 54 | char filename[128];
mcssha6.c: | ^~~~~~~~
mcssha6.c: mcssha6.c: In function 'Update':
mcssha6.c: mcssha6.c:98:17: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
mcssha6.c: 98 | if(data == NULL & databitlen == 0)return(SUCCESS);
mcssha6.c: | ^
mcssha6.c: mcssha6.c:99:25: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
mcssha6.c: 99 | if(data == NULL & databitlen != 0)return(BAD_HASHBITLEN);
mcssha6.c: | ^
mcssha6.c: mcssha6.c:113:29: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
mcssha6.c: 113 | if(c->hashbitlen == 224 | c->hashbitlen == 256)
mcssha6.c: | ~~~~~~~~~~~~~~^~~~~~
mcssha6.c: mcssha6.c:159:29: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
mcssha6.c: 159 | if(c->hashbitlen == 224 | c->hashbitlen == 256)
mcssha6.c: | ~~~~~~~~~~~~~~^~~~~~
mcssha6.c: mcssha6.c: In function 'Final':
mcssha6.c: mcssha6.c:378:40: warning: unused variable 'last' [-Wunused-variable]
mcssha6.c: 378 | BitSequence empty,bits,last;
mcssha6.c: | ^~~~
mcssha6.c: mcssha6.c:378:35: warning: unused variable 'bits' [-Wunused-variable]
mcssha6.c: ...
Number of similar (implementation,compiler) pairs: 4, namely:
Implementation | Compiler |
T:ref | gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0) |
T:ref | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0) |
T:ref | gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0) |
T:ref | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0) |