Implementation notes: amd64, rumba5, crypto_hash/bash256

Computer: rumba5
Architecture: amd64
CPU ID: AuthenticAMD-00800f11-178bfbff
SUPERCOP version: 20171218
Operation: crypto_hash
Primitive: bash256
TimeImplementationCompilerBenchmark dateSUPERCOP version
15712refgcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv2018051420171218
15744refgcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer2018051420171218
15808refgcc -m64 -march=core-avx2 -O2 -fomit-frame-pointer2018051420171218
15840refgcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv2018051420171218
15872refgcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer2018051420171218
15904refgcc -m64 -march=core-avx2 -O -fomit-frame-pointer2018051420171218
16128refgcc -m64 -march=native -mtune=native -O -fomit-frame-pointer2018051420171218
16160refgcc -m64 -march=core-avx2 -O3 -fomit-frame-pointer2018051420171218
16384refgcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv2018051420171218
16864refgcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer2018051420171218
16864refgcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer2018051420171218
16864refgcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer2018051420171218
16992refgcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer2018051420171218
16992refgcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer2018051420171218
17024refgcc -funroll-loops -O3 -fomit-frame-pointer2018051420171218
17024refgcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer2018051420171218
17024refgcc -funroll-loops -m64 -O3 -fomit-frame-pointer2018051420171218
17024refgcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer2018051420171218
17024refgcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer2018051420171218
17024refgcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer2018051420171218
17024refgcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer2018051420171218
17024refgcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer2018051420171218
17056refgcc -funroll-loops -march=k8 -O -fomit-frame-pointer2018051420171218
17120refgcc -funroll-loops -O -fomit-frame-pointer2018051420171218
17120refgcc -funroll-loops -m64 -O -fomit-frame-pointer2018051420171218
17120refgcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer2018051420171218
17152refgcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer2018051420171218
17152refgcc -funroll-loops -m64 -O2 -fomit-frame-pointer2018051420171218
17152refgcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer2018051420171218
17184refgcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer2018051420171218
17184refgcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer2018051420171218
17184refgcc -funroll-loops -march=nocona -O -fomit-frame-pointer2018051420171218
17216refgcc -funroll-loops -O2 -fomit-frame-pointer2018051420171218
17216refgcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer2018051420171218
17216refgcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer2018051420171218
17248refclang -mcpu=native -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments2018051420171218
17312refclang -O3 -fomit-frame-pointer -Qunused-arguments2018051420171218
17312refgcc -m64 -march=nocona -O3 -fomit-frame-pointer2018051420171218
17312refgcc -march=nocona -O3 -fomit-frame-pointer2018051420171218
17344refgcc -O3 -fomit-frame-pointer2018051420171218
17344refgcc -fno-schedule-insns -O3 -fomit-frame-pointer2018051420171218
17344refgcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer2018051420171218
17344refgcc -m64 -march=core2 -O3 -fomit-frame-pointer2018051420171218
17344refgcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer2018051420171218
17344refgcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer2018051420171218
17376refgcc -m64 -O3 -fomit-frame-pointer2018051420171218
17376refgcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer2018051420171218
17376refgcc -m64 -march=corei7 -O3 -fomit-frame-pointer2018051420171218
17440refgcc -O2 -fomit-frame-pointer2018051420171218
17440refgcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer2018051420171218
17440refgcc -m64 -march=core-avx-i -O -fomit-frame-pointer2018051420171218
17440refgcc -m64 -march=core2 -O2 -fomit-frame-pointer2018051420171218
17440refgcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer2018051420171218
17440refgcc -m64 -march=corei7 -O2 -fomit-frame-pointer2018051420171218
17440refgcc -m64 -march=k8 -O3 -fomit-frame-pointer2018051420171218
17440refgcc -march=k8 -O3 -fomit-frame-pointer2018051420171218
17472refgcc -m64 -O2 -fomit-frame-pointer2018051420171218
17472refgcc -m64 -march=barcelona -O3 -fomit-frame-pointer2018051420171218
17472refgcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer2018051420171218
17472refgcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer2018051420171218
17472refgcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer2018051420171218
17472refgcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer2018051420171218
17472refgcc -m64 -march=corei7 -O -fomit-frame-pointer2018051420171218
17472refgcc -m64 -march=nocona -O -fomit-frame-pointer2018051420171218
17472refgcc -march=barcelona -O3 -fomit-frame-pointer2018051420171218
17472refgcc -march=nocona -O2 -fomit-frame-pointer2018051420171218
17504refgcc -O -fomit-frame-pointer2018051420171218
17504refgcc -fno-schedule-insns -O2 -fomit-frame-pointer2018051420171218
17504refgcc -m64 -O -fomit-frame-pointer2018051420171218
17536refgcc -m64 -march=barcelona -O -fomit-frame-pointer2018051420171218
17536refgcc -m64 -march=core2 -O -fomit-frame-pointer2018051420171218
17536refgcc -m64 -march=nocona -O2 -fomit-frame-pointer2018051420171218
17536refgcc -march=barcelona -O -fomit-frame-pointer2018051420171218
17536refgcc -march=k8 -O -fomit-frame-pointer2018051420171218
17536refgcc -march=nocona -O -fomit-frame-pointer2018051420171218
17568refgcc -fno-schedule-insns -O -fomit-frame-pointer2018051420171218
17568refgcc -m64 -march=barcelona -O2 -fomit-frame-pointer2018051420171218
17568refgcc -m64 -march=corei7-avx -O -fomit-frame-pointer2018051420171218
17568refgcc -m64 -march=k8 -O -fomit-frame-pointer2018051420171218
17568refgcc -march=barcelona -O2 -fomit-frame-pointer2018051420171218
17568refgcc -march=k8 -O2 -fomit-frame-pointer2018051420171218
17600refgcc -m64 -march=k8 -O2 -fomit-frame-pointer2018051420171218
17792refclang -mcpu=cortex-a8 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments2018051420171218
17888refclang -O3 -fwrapv -mavx -fomit-frame-pointer -Qunused-arguments2018051420171218
17952refclang -mcpu=cortex-a9 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments2018051420171218
18016refclang -O3 -fwrapv -mavx -maes -mpclmul -fomit-frame-pointer -Qunused-arguments2018051420171218
18080refgcc -funroll-loops -march=barcelona -O -fomit-frame-pointer2018051420171218
24128avx2gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv2018051420171218
24128avx2gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv2018051420171218
24160avx2gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer2018051420171218
24192avx2gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer2018051420171218
24320avx2clang -O3 -fwrapv -mavx2 -fomit-frame-pointer -Qunused-arguments2018051420171218
24416avx2clang -O3 -fwrapv -march=native -fomit-frame-pointer -Qunused-arguments2018051420171218
24416avx2clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fomit-frame-pointer -Qunused-arguments2018051420171218
24416avx2clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments2018051420171218
24832avx2gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer2018051420171218
24832avx2gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv2018051420171218
25344avx2gcc -m64 -march=core-avx2 -O2 -fomit-frame-pointer2018051420171218
25440avx2gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv2018051420171218
25472avx2gcc -m64 -march=core-avx2 -O3 -fomit-frame-pointer2018051420171218
25472avx2gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer2018051420171218
25568avx2gcc -m64 -march=core-avx2 -O -fomit-frame-pointer2018051420171218
25888avx2gcc -m64 -march=core-avx2 -Os -fomit-frame-pointer2018051420171218
27424refclang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments2018051420171218
27456refclang -O3 -fwrapv -march=native -fomit-frame-pointer -Qunused-arguments2018051420171218
27552refclang -O3 -fwrapv -mavx2 -fomit-frame-pointer -Qunused-arguments2018051420171218
27744refclang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fomit-frame-pointer -Qunused-arguments2018051420171218

Checksum failure

Implementation: crypto_hash/bash256/ref
Compiler: cc
e8496f7c0a80f87022012d0e76a2ba92f75dbac914504b74b4def5f0e9ec0be8
Number of similar (compiler,implementation) pairs: 29, namely:
CompilerImplementations
cc ref
gcc ref
gcc -Os -fomit-frame-pointer ref
gcc -fno-schedule-insns -Os -fomit-frame-pointer ref
gcc -funroll-loops ref
gcc -funroll-loops -Os -fomit-frame-pointer ref
gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer ref
gcc -funroll-loops -m64 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer ref
gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer ref
gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer ref
gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer ref
gcc -m64 -Os -fomit-frame-pointer ref
gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer ref
gcc -m64 -march=core-avx2 -Os -fomit-frame-pointer ref
gcc -m64 -march=core2 -Os -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer ref
gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer ref
gcc -m64 -march=corei7 -Os -fomit-frame-pointer ref
gcc -m64 -march=k8 -Os -fomit-frame-pointer ref
gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer ref
gcc -m64 -march=nocona -Os -fomit-frame-pointer ref
gcc -march=barcelona -Os -fomit-frame-pointer ref
gcc -march=k8 -Os -fomit-frame-pointer ref
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv ref
gcc -march=nocona -Os -fomit-frame-pointer ref

Checksum failure

Implementation: crypto_hash/bash256/ref
Compiler: gcc -m64 -march=barcelona -Os -fomit-frame-pointer
e8496f7c0a80f87022012d0e76a2ba92f75dbac914504b74b4def5f0e9ec0be8 e8496f7c0a80f87022012d0e76a2ba92f75dbac914504b74b4def5f0e9ec0be8
Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
gcc -m64 -march=barcelona -Os -fomit-frame-pointer ref

Compiler output

Implementation: crypto_hash/bash256/avx2
Compiler: cc
bash_avx2.c: bash_avx2.c:70:2: error: #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: In function 'bashavx2_F0':
bash_avx2.c: bash_avx2.c:271:5: error: unknown type name '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: unknown type name 'u256'
bash_avx2.c: u256 W0 = LOADW( S + 0 );
bash_avx2.c: ^
bash_avx2.c: bash_avx2.c:272:15: warning: implicit declaration of function 'LOADW' [-Wimplicit-function-declaration]
bash_avx2.c: u256 W0 = LOADW( S + 0 );
bash_avx2.c: ^
bash_avx2.c: bash_avx2.c:273:5: error: unknown type name 'u256'
bash_avx2.c: u256 W1 = LOADW( S + 4 );
bash_avx2.c: ^
bash_avx2.c: bash_avx2.c:274:5: error: unknown type name 'u256'
bash_avx2.c: u256 W2 = LOADW( S + 8 );
bash_avx2.c: ^
bash_avx2.c: bash_avx2.c:275:5: error: unknown type name 'u256'
bash_avx2.c: u256 W3 = LOADW( S + 12 );
bash_avx2.c: ^
bash_avx2.c: bash_avx2.c:276:5: error: unknown type name 'u256'
bash_avx2.c: u256 W4 = LOADW( S + 16 );
bash_avx2.c: ^
bash_avx2.c: ...

Number of similar (compiler,implementation) pairs: 95, namely:
CompilerImplementations
cc avx2
gcc avx2
gcc -O2 -fomit-frame-pointer avx2
gcc -O3 -fomit-frame-pointer avx2
gcc -O -fomit-frame-pointer avx2
gcc -Os -fomit-frame-pointer avx2
gcc -fno-schedule-insns -O2 -fomit-frame-pointer avx2
gcc -fno-schedule-insns -O3 -fomit-frame-pointer avx2
gcc -fno-schedule-insns -O -fomit-frame-pointer avx2
gcc -fno-schedule-insns -Os -fomit-frame-pointer avx2
gcc -funroll-loops avx2
gcc -funroll-loops -O2 -fomit-frame-pointer avx2
gcc -funroll-loops -O3 -fomit-frame-pointer avx2
gcc -funroll-loops -O -fomit-frame-pointer avx2
gcc -funroll-loops -Os -fomit-frame-pointer avx2
gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer avx2
gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer avx2
gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer avx2
gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -O2 -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -O3 -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -O -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -Os -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer avx2
gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer avx2
gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer avx2
gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer avx2
gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer avx2
gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer avx2
gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer avx2
gcc -funroll-loops -march=k8 -O -fomit-frame-pointer avx2
gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer avx2
gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer avx2
gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer avx2
gcc -funroll-loops -march=nocona -O -fomit-frame-pointer avx2
gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer avx2
gcc -m64 -O2 -fomit-frame-pointer avx2
gcc -m64 -O3 -fomit-frame-pointer avx2
gcc -m64 -O -fomit-frame-pointer avx2
gcc -m64 -Os -fomit-frame-pointer avx2
gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer avx2
gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer avx2
gcc -m64 -march=core-avx-i -O -fomit-frame-pointer avx2
gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer avx2
gcc -m64 -march=core2 -O2 -fomit-frame-pointer avx2
gcc -m64 -march=core2 -O3 -fomit-frame-pointer avx2
gcc -m64 -march=core2 -O -fomit-frame-pointer avx2
gcc -m64 -march=core2 -Os -fomit-frame-pointer avx2
gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer avx2
gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer avx2
gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer avx2
gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer avx2
gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer avx2
gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer avx2
gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer avx2
gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer avx2
gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer avx2
gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer avx2
gcc -m64 -march=corei7-avx -O -fomit-frame-pointer avx2
gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer avx2
gcc -m64 -march=corei7 -O2 -fomit-frame-pointer avx2
gcc -m64 -march=corei7 -O3 -fomit-frame-pointer avx2
gcc -m64 -march=corei7 -O -fomit-frame-pointer avx2
gcc -m64 -march=corei7 -Os -fomit-frame-pointer avx2
gcc -m64 -march=k8 -O2 -fomit-frame-pointer avx2
gcc -m64 -march=k8 -O3 -fomit-frame-pointer avx2
gcc -m64 -march=k8 -O -fomit-frame-pointer avx2
gcc -m64 -march=k8 -Os -fomit-frame-pointer avx2
gcc -m64 -march=nocona -O2 -fomit-frame-pointer avx2
gcc -m64 -march=nocona -O3 -fomit-frame-pointer avx2
gcc -m64 -march=nocona -O -fomit-frame-pointer avx2
gcc -m64 -march=nocona -Os -fomit-frame-pointer avx2
gcc -march=barcelona -O2 -fomit-frame-pointer avx2
gcc -march=barcelona -O3 -fomit-frame-pointer avx2
gcc -march=barcelona -O -fomit-frame-pointer avx2
gcc -march=barcelona -Os -fomit-frame-pointer avx2
gcc -march=k8 -O2 -fomit-frame-pointer avx2
gcc -march=k8 -O3 -fomit-frame-pointer avx2
gcc -march=k8 -O -fomit-frame-pointer avx2
gcc -march=k8 -Os -fomit-frame-pointer avx2
gcc -march=nocona -O2 -fomit-frame-pointer avx2
gcc -march=nocona -O3 -fomit-frame-pointer avx2
gcc -march=nocona -O -fomit-frame-pointer avx2
gcc -march=nocona -Os -fomit-frame-pointer avx2

Compiler output

Implementation: crypto_hash/bash256/avx2
Compiler: clang -O3 -fomit-frame-pointer -Qunused-arguments
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 (compiler,implementation) pairs: 6, namely:
CompilerImplementations
clang -O3 -fomit-frame-pointer -Qunused-arguments avx2
clang -O3 -fwrapv -mavx -fomit-frame-pointer -Qunused-arguments avx2
clang -O3 -fwrapv -mavx -maes -mpclmul -fomit-frame-pointer -Qunused-arguments avx2
clang -mcpu=cortex-a8 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments avx2
clang -mcpu=cortex-a9 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments avx2
clang -mcpu=native -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments avx2

Compiler output

Implementation: crypto_hash/bash256/avx2
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer
bash_avx2.c: bash_avx2.c:70:2: error: #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: In function 'bashavx2_F0':
bash_avx2.c: bash_avx2.c:271:5: error: unknown type name '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: unknown type name 'u256'
bash_avx2.c: u256 W0 = LOADW( S + 0 );
bash_avx2.c: ^
bash_avx2.c: bash_avx2.c:272:15: warning: implicit declaration of function 'LOADW' [-Wimplicit-function-declaration]
bash_avx2.c: u256 W0 = LOADW( S + 0 );
bash_avx2.c: ^
bash_avx2.c: bash_avx2.c:273:5: error: unknown type name 'u256'
bash_avx2.c: u256 W1 = LOADW( S + 4 );
bash_avx2.c: ^
bash_avx2.c: bash_avx2.c:274:5: error: unknown type name 'u256'
bash_avx2.c: u256 W2 = LOADW( S + 8 );
bash_avx2.c: ^
bash_avx2.c: bash_avx2.c:275:5: error: unknown type name 'u256'
bash_avx2.c: u256 W3 = LOADW( S + 12 );
bash_avx2.c: ^
bash_avx2.c: bash_avx2.c:276:5: error: unknown type name 'u256'
bash_avx2.c: u256 W4 = LOADW( S + 16 );
bash_avx2.c: ^
bash_avx2.c: ...
bash_avx2.c: bash_avx2.c:70:2: error: #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: In function 'bashavx2_F0':
bash_avx2.c: bash_avx2.c:271:5: error: unknown type name '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: unknown type name 'u256'
bash_avx2.c: u256 W0 = LOADW( S + 0 );
bash_avx2.c: ^
bash_avx2.c: bash_avx2.c:272:15: warning: implicit declaration of function 'LOADW' [-Wimplicit-function-declaration]
bash_avx2.c: u256 W0 = LOADW( S + 0 );
bash_avx2.c: ^
bash_avx2.c: bash_avx2.c:273:5: error: unknown type name 'u256'
bash_avx2.c: u256 W1 = LOADW( S + 4 );
bash_avx2.c: ^
bash_avx2.c: bash_avx2.c:274:5: error: unknown type name 'u256'
bash_avx2.c: u256 W2 = LOADW( S + 8 );
bash_avx2.c: ^
bash_avx2.c: bash_avx2.c:275:5: error: unknown type name 'u256'
bash_avx2.c: u256 W3 = LOADW( S + 12 );
bash_avx2.c: ^
bash_avx2.c: bash_avx2.c:276:5: error: unknown type name 'u256'
bash_avx2.c: u256 W4 = LOADW( S + 16 );
bash_avx2.c: ^
bash_avx2.c: ...

Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
gcc -m64 -march=barcelona -O2 -fomit-frame-pointer avx2
gcc -m64 -march=barcelona -O3 -fomit-frame-pointer avx2
gcc -m64 -march=barcelona -O -fomit-frame-pointer avx2
gcc -m64 -march=barcelona -Os -fomit-frame-pointer avx2