Implementation notes: amd64, samba, crypto_hash/bash256

Computer: samba
Microarchitecture: amd64; Skylake (506e3)
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_hash
Primitive: bash256

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
8602	10501 0 0	21149 852 896	`T:avx2`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
8603	10132 0 0	21551 844 960	`T:avx2`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
8636	10890 0 0	25229 852 928	`T:avx2`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
8762	10890 0 0	25525 852 960	`T:avx2`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
10044	11010 0 0	22527 812 960	`T:avx2`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
10077	11103 0 0	22975 812 960	`T:avx2`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
10132	11876 0 0	26109 828 960	`T:avx2`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
10505	10280 0 0	20690 788 928	`T:avx2`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625

Checksum failure

e8496f7c0a80f87022012d0e76a2ba92f75dbac914504b74b4def5f0e9ec0be8

Number of similar (implementation,compiler) pairs: 9, namely:

Implementation	Compiler
`T:ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`

Compiler output

bash_avx2.c: bash_avx2.c:70:2: error: "The compiler does not support AVX2 intrinsics."
bash_avx2.c: #error "The compiler does not support AVX2 intrinsics."
bash_avx2.c:  ^
bash_avx2.c: bash_avx2.c:271:5: error: use of undeclared identifier 'u256'
bash_avx2.c:     u256 S1,S2,T0,T1,T2,U0,U1,U2;
bash_avx2.c:     ^
bash_avx2.c: bash_avx2.c:272:5: error: use of undeclared identifier 'u256'
bash_avx2.c:     u256 W0 = LOADW( S + 0 );
bash_avx2.c:     ^
bash_avx2.c: bash_avx2.c:273:5: error: use of undeclared identifier 'u256'
bash_avx2.c:     u256 W1 = LOADW( S + 4 );
bash_avx2.c:     ^
bash_avx2.c: bash_avx2.c:274:5: error: use of undeclared identifier 'u256'
bash_avx2.c:     u256 W2 = LOADW( S + 8 );
bash_avx2.c:     ^
bash_avx2.c: bash_avx2.c:275:5: error: use of undeclared identifier 'u256'
bash_avx2.c:     u256 W3 = LOADW( S + 12 );
bash_avx2.c:     ^
bash_avx2.c: bash_avx2.c:276:5: error: use of undeclared identifier 'u256'
bash_avx2.c:     u256 W4 = LOADW( S + 16 );
bash_avx2.c:     ^
bash_avx2.c: bash_avx2.c:277:5: error: use of undeclared identifier 'u256'
bash_avx2.c:     u256 W5 = LOADW( S + 20 );
bash_avx2.c:     ^
bash_avx2.c: bash_avx2.c:279:34: error: use of undeclared identifier 'S2'
bash_avx2.c: ...

Number of similar (implementation,compiler) pairs: 1, namely:

Implementation	Compiler
`T:avx2`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`