Implementation notes: amd64, hertz, crypto_hash/mcssha4

Computer: hertz
Microarchitecture: amd64; Zen 4 (a60f12)
Architecture: amd64
CPU ID: AuthenticAMD-00a60f12-178bfbff
SUPERCOP version: 20240716
Operation: crypto_hash
Primitive: mcssha4

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
81940	24677 0 0	42334 828 968	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
82044	24822 0 0	42590 828 968	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
83475	3504 0 0	13736 780 936	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
84933	4749 0 0	18557 804 1032	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
85035	4334 0 0	16029 804 968	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
87020	4580 0 0	16144 820 968	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716

Compiler output

mcssha4.c: mcssha4.c:54:8: warning: unused variable 'filename' [-Wunused-variable]
mcssha4.c:    54 |                 char filename[128];
mcssha4.c:       |                      ^~~~~~~~
mcssha4.c: 1 warning 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

mcssha4.c: mcssha4.c: In function 'Init':
mcssha4.c: mcssha4.c:60:23: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
mcssha4.c:    60 |         if(hashbitlen == 224 | hashbitlen == 256)
mcssha4.c:       |            ~~~~~~~~~~~^~~~~~
mcssha4.c: mcssha4.c:54:22: warning: unused variable 'filename' [-Wunused-variable]
mcssha4.c:    54 |                 char filename[128];
mcssha4.c:       |                      ^~~~~~~~
mcssha4.c: mcssha4.c: In function 'Update':
mcssha4.c: mcssha4.c:103:17: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
mcssha4.c:   103 |         if(data == NULL & databitlen == 0)return(SUCCESS);
mcssha4.c:       |                 ^
mcssha4.c: mcssha4.c:104:25: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
mcssha4.c:   104 |                 if(data == NULL & databitlen != 0)return(BAD_HASHBITLEN);
mcssha4.c:       |                         ^
mcssha4.c: mcssha4.c:122:29: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
mcssha4.c:   122 |            if(c->hashbitlen == 224 | c->hashbitlen == 256)
mcssha4.c:       |               ~~~~~~~~~~~~~~^~~~~~
mcssha4.c: mcssha4.c:168:29: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
mcssha4.c:   168 |            if(c->hashbitlen == 224 | c->hashbitlen == 256)
mcssha4.c:       |               ~~~~~~~~~~~~~~^~~~~~
mcssha4.c: mcssha4.c: In function 'Final':
mcssha4.c: mcssha4.c:242:26: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
mcssha4.c:   242 |         if(c->hashbitlen == 224 | c->hashbitlen == 256)
mcssha4.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

mcssha4.o Final T
mcssha4.o Hash T
mcssha4.o Hash3 T
mcssha4.o Init T
mcssha4.o Update T

Number of similar (implementation,compiler) pairs: 6, 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 -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)`