Implementation notes: amd64, panther, crypto_hash/mcssha4

Computer: panther
Microarchitecture: amd64; Tiger Lake (806c1)
Architecture: amd64
CPU ID: GenuineIntel-000806c1-00-bfebfbff
SUPERCOP version: 20240716
Operation: crypto_hash
Primitive: mcssha4

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
78469	4398 0 0	17189 828 888	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
78509	4970 0 0	18053 828 920	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
78575	5429 0 0	18592 780 952	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
78590	4406 0 0	17757 828 920	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
78891	3598 0 0	14099 820 888	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
78996	4172 0 0	15256 780 952	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
79572	4062 0 0	14591 772 952	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
83232	4064 0 0	14307 820 888	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
83693	3119 0 0	12691 756 920	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716

Compiler output

mcssha4.c: mcssha4.c:54:8: warning: unused variable 'filename' [-Wunused-variable]
mcssha4.c:                 char filename[128];
mcssha4.c:                      ^
mcssha4.c: 1 warning 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_11.0.1)`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

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:54:8: 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:104:11: 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: 4, namely:

Implementation	Compiler
`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

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: 9, namely:

Implementation	Compiler
`T:ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`