Implementation notes: amd64, h3neo, crypto_hash/bash256

Computer: h3neo
Architecture: amd64
CPU ID: AuthenticAMD-00100f63-078bfbff
SUPERCOP version: 20170105
Operation: crypto_hash
Primitive: bash256
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
27292? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer2016101020161009
27294? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer2016101020161009
27309? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer2016101020161009
27333? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer2016101020161009
27606? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer2016101020161009
27622? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer2016101020161009
27627? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer2016101020161009
27628? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer2016101020161009
28001? ? ?? ? ?refgcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer2016101020161009
28021? ? ?? ? ?refgcc_-funroll-loops_-O3_-fomit-frame-pointer2016101020161009
28095? ? ?? ? ?refgcc_-funroll-loops_-O2_-fomit-frame-pointer2016101020161009
28096? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer2016101020161009
28096? ? ?? ? ?refgcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer2016101020161009
28168? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer2016101020161009
28691? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer2016101020161009
28691? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer2016101020161009
28743? ? ?? ? ?refgcc_-m64_-march=k8_-O3_-fomit-frame-pointer2016101020161009
28746? ? ?? ? ?refgcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer2016101020161009
28754? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer2016101020161009
28755? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer2016101020161009
28759? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer2016101020161009
28763? ? ?? ? ?refgcc_-march=k8_-O3_-fomit-frame-pointer2016101020161009
28779? ? ?? ? ?refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv2016101020161009
28822? ? ?? ? ?refgcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer2016101020161009
28822? ? ?? ? ?refgcc_-march=barcelona_-O2_-fomit-frame-pointer2016101020161009
28822? ? ?? ? ?refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv2016101020161009
28829? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer2016101020161009
28837? ? ?? ? ?refgcc_-m64_-march=k8_-O2_-fomit-frame-pointer2016101020161009
28839? ? ?? ? ?refgcc_-march=k8_-O2_-fomit-frame-pointer2016101020161009
28841? ? ?? ? ?refgcc_-fno-schedule-insns_-O3_-fomit-frame-pointer2016101020161009
28856? ? ?? ? ?refgcc_-m64_-O3_-fomit-frame-pointer2016101020161009
28858? ? ?? ? ?refgcc_-O3_-fomit-frame-pointer2016101020161009
28907? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer2016101020161009
28910? ? ?? ? ?refgcc_-m64_-march=corei7_-O2_-fomit-frame-pointer2016101020161009
28912? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2016101020161009
28912? ? ?? ? ?refgcc_-march=barcelona_-O3_-fomit-frame-pointer2016101020161009
28934? ? ?? ? ?refgcc_-m64_-march=core2_-O2_-fomit-frame-pointer2016101020161009
28939? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer2016101020161009
28948? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer2016101020161009
28971? ? ?? ? ?refgcc_-m64_-O2_-fomit-frame-pointer2016101020161009
28973? ? ?? ? ?refgcc_-fno-schedule-insns_-O2_-fomit-frame-pointer2016101020161009
28975? ? ?? ? ?refgcc_-O2_-fomit-frame-pointer2016101020161009
29090? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer2016101020161009
29095? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer2016101020161009
29126? ? ?? ? ?refgcc_-march=nocona_-O3_-fomit-frame-pointer2016101020161009
29128? ? ?? ? ?refgcc_-m64_-march=nocona_-O3_-fomit-frame-pointer2016101020161009
29130? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer2016101020161009
29130? ? ?? ? ?refgcc_-funroll-loops_-m64_-O_-fomit-frame-pointer2016101020161009
29131? ? ?? ? ?refgcc_-funroll-loops_-O_-fomit-frame-pointer2016101020161009
29155? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer2016101020161009
29179? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer2016101020161009
29216? ? ?? ? ?refgcc_-march=k8_-O_-fomit-frame-pointer2016101020161009
29220? ? ?? ? ?refgcc_-m64_-march=k8_-O_-fomit-frame-pointer2016101020161009
29332? ? ?? ? ?refgcc_-m64_-march=nocona_-O2_-fomit-frame-pointer2016101020161009
29335? ? ?? ? ?refgcc_-march=nocona_-O2_-fomit-frame-pointer2016101020161009
29386? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer2016101020161009
29386? ? ?? ? ?refgcc_-m64_-march=corei7_-O_-fomit-frame-pointer2016101020161009
29396? ? ?? ? ?refgcc_-m64_-march=nocona_-O_-fomit-frame-pointer2016101020161009
29408? ? ?? ? ?refgcc_-march=nocona_-O_-fomit-frame-pointer2016101020161009
29410? ? ?? ? ?refgcc_-O_-fomit-frame-pointer2016101020161009
29410? ? ?? ? ?refgcc_-fno-schedule-insns_-O_-fomit-frame-pointer2016101020161009
29413? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer2016101020161009
29415? ? ?? ? ?refgcc_-m64_-O_-fomit-frame-pointer2016101020161009
29415? ? ?? ? ?refgcc_-m64_-march=core2_-O_-fomit-frame-pointer2016101020161009
29417? ? ?? ? ?refgcc_-march=barcelona_-O_-fomit-frame-pointer2016101020161009
29419? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer2016101020161009
29425? ? ?? ? ?refgcc_-m64_-march=barcelona_-O_-fomit-frame-pointer2016101020161009
29437? ? ?? ? ?refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv2016101020161009
30476? ? ?? ? ?refclang_-O3_-fomit-frame-pointer_-Qunused-arguments2016101020161009
30479? ? ?? ? ?refclang_-mcpu=cortex-a8_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2016101020161009
30479? ? ?? ? ?refclang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2016101020161009
30481? ? ?? ? ?refclang_-mcpu=cortex-a9_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2016101020161009
30629? ? ?? ? ?refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2016101020161009
30631? ? ?? ? ?refclang_-O3_-fwrapv_-march=native_-fomit-frame-pointer_-Qunused-arguments2016101020161009

Checksum failure

Implementation: crypto_hash/bash256/ref
Compiler: cc
e8496f7c0a80f87022012d0e76a2ba92f75dbac914504b74b4def5f0e9ec0be8
Number of similar (compiler,implementation) pairs: 26, 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=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 -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

Test failure

Implementation: crypto_hash/bash256/ref
Compiler: gcc -m64 -march=core2 -O3 -fomit-frame-pointer
error 111

Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
gcc -m64 -march=core2 -O3 -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: 92, 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=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 -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 -O -fomit-frame-pointer avx2
gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer avx2
gcc -m64 -march=corei7 -O2 -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=native -mtune=native -O2 -fomit-frame-pointer avx2
gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer avx2
gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer avx2
gcc -m64 -march=native -mtune=native -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=native -mtune=native -O2 -fomit-frame-pointer -fwrapv avx2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv avx2
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv avx2
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv 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 -march=native -fomit-frame-pointer -Qunused-arguments avx2
clang -march=native -O3 -fomit-frame-pointer -fwrapv -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