Implementation notes: amd64, hertz, crypto_hash/mcssha6

Computer: hertz
Microarchitecture: amd64; Zen 4 (a60f12)
Architecture: amd64
CPU ID: AuthenticAMD-00a60f12-178bfbff
SUPERCOP version: 20240716
Operation: crypto_hash
Primitive: mcssha6

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
82075	21478 0 0	39214 828 968	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
82307	21749 0 0	39382 828 968	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
83769	4026 0 0	14264 780 936	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
87063	5379 0 0	16912 820 968	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716

Compiler output

mcssha6.c: mcssha6.c:54:8: warning: unused variable 'filename' [-Wunused-variable]
mcssha6.c:    54 |                 char filename[128];
mcssha6.c:       |                      ^~~~~~~~
mcssha6.c: mcssha6.c:376:26: warning: unused variable 'x1' [-Wunused-variable]
mcssha6.c:   376 |                 register unsigned long x1,x2,x3,x4,i;
mcssha6.c:       |                                        ^~
mcssha6.c: mcssha6.c:376:29: warning: unused variable 'x2' [-Wunused-variable]
mcssha6.c:   376 |                 register unsigned long x1,x2,x3,x4,i;
mcssha6.c:       |                                           ^~
mcssha6.c: mcssha6.c:376:32: warning: unused variable 'x3' [-Wunused-variable]
mcssha6.c:   376 |                 register unsigned long x1,x2,x3,x4,i;
mcssha6.c:       |                                              ^~
mcssha6.c: mcssha6.c:376:35: warning: unused variable 'x4' [-Wunused-variable]
mcssha6.c:   376 |                 register unsigned long x1,x2,x3,x4,i;
mcssha6.c:       |                                                 ^~
mcssha6.c: mcssha6.c:378:15: warning: unused variable 'empty' [-Wunused-variable]
mcssha6.c:   378 |                 BitSequence empty,bits,last;
mcssha6.c:       |                             ^~~~~
mcssha6.c: mcssha6.c:378:21: warning: unused variable 'bits' [-Wunused-variable]
mcssha6.c:   378 |                 BitSequence empty,bits,last;
mcssha6.c:       |                                   ^~~~
mcssha6.c: mcssha6.c:378:26: warning: unused variable 'last' [-Wunused-variable]
mcssha6.c:   378 |                 BitSequence empty,bits,last;
mcssha6.c:       |                                        ^~~~
mcssha6.c: 8 warnings generated.

Number of similar (implementation,compiler) pairs: 3, namely:

Implementation	Compiler
`T:ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`

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: 3, namely:

Implementation	Compiler
`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`

Namespace violations

mcssha6.o CalculateFinalState T
mcssha6.o Final T
mcssha6.o Hash T
mcssha6.o Init T
mcssha6.o MCSSHA6Reverse T
mcssha6.o Update T

Number of similar (implementation,compiler) pairs: 4, namely:

Implementation	Compiler
`T:ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`