Implementation notes: amd64, hydra1, crypto_hash/bash512

Computer: hydra1
Architecture: amd64
CPU ID: AuthenticAMD-00100fa0-178bfbff
SUPERCOP version: 20161220
Operation: crypto_hash
Primitive: bash512

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
52083	`ref`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20161010	20161009
52085	`ref`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20161010	20161009
52102	`ref`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20161010	20161009
52102	`ref`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20161010	20161009
52504	`ref`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20161010	20161009
52504	`ref`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20161010	20161009
52505	`ref`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20161010	20161009
52555	`ref`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20161010	20161009
53354	`ref`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20161010	20161009
53354	`ref`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20161010	20161009
53354	`ref`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20161010	20161009
53478	`ref`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20161010	20161009
53480	`ref`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20161010	20161009
53483	`ref`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20161010	20161009
54458	`ref`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20161010	20161009
54461	`ref`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20161010	20161009
54529	`ref`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20161010	20161009
54534	`ref`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20161010	20161009
54773	`ref`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20161010	20161009
54776	`ref`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20161010	20161009
54787	`ref`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20161010	20161009
54797	`ref`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20161010	20161009
54797	`ref`	`gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv`	20161010	20161009
54798	`ref`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20161010	20161009
54880	`ref`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20161010	20161009
54883	`ref`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20161010	20161009
54883	`ref`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20161010	20161009
54885	`ref`	`gcc -m64 -march=corei7 -O2 -fomit-frame-pointer`	20161010	20161009
54927	`ref`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20161010	20161009
54928	`ref`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20161010	20161009
54928	`ref`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20161010	20161009
54950	`ref`	`gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv`	20161010	20161009
54951	`ref`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20161010	20161009
54955	`ref`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20161010	20161009
55045	`ref`	`gcc -m64 -O2 -fomit-frame-pointer`	20161010	20161009
55046	`ref`	`gcc -O2 -fomit-frame-pointer`	20161010	20161009
55048	`ref`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20161010	20161009
55082	`ref`	`gcc -m64 -O3 -fomit-frame-pointer`	20161010	20161009
55083	`ref`	`gcc -O3 -fomit-frame-pointer`	20161010	20161009
55086	`ref`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20161010	20161009
55285	`ref`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20161010	20161009
55288	`ref`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20161010	20161009
55360	`ref`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20161010	20161009
55360	`ref`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20161010	20161009
55378	`ref`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20161010	20161009
55382	`ref`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20161010	20161009
55384	`ref`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20161010	20161009
55400	`ref`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20161010	20161009
55411	`ref`	`gcc -funroll-loops -O -fomit-frame-pointer`	20161010	20161009
55534	`ref`	`gcc -march=k8 -O -fomit-frame-pointer`	20161010	20161009
55539	`ref`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20161010	20161009
55606	`ref`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20161010	20161009
55608	`ref`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20161010	20161009
55808	`ref`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20161010	20161009
55808	`ref`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20161010	20161009
55830	`ref`	`gcc -O -fomit-frame-pointer`	20161010	20161009
55832	`ref`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20161010	20161009
55832	`ref`	`gcc -m64 -O -fomit-frame-pointer`	20161010	20161009
55853	`ref`	`gcc -m64 -march=corei7 -O -fomit-frame-pointer`	20161010	20161009
55861	`ref`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20161010	20161009
55869	`ref`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20161010	20161009
55872	`ref`	`gcc -march=nocona -O -fomit-frame-pointer`	20161010	20161009
55880	`ref`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20161010	20161009
55885	`ref`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20161010	20161009
55954	`ref`	`gcc -march=barcelona -O -fomit-frame-pointer`	20161010	20161009
55965	`ref`	`gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv`	20161010	20161009
55968	`ref`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20161010	20161009
55981	`ref`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20161010	20161009
57911	`ref`	`clang -mcpu=native -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments`	20161010	20161009
57912	`ref`	`clang -mcpu=cortex-a8 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments`	20161010	20161009
57915	`ref`	`clang -O3 -fomit-frame-pointer -Qunused-arguments`	20161010	20161009
57920	`ref`	`clang -mcpu=cortex-a9 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments`	20161010	20161009
58244	`ref`	`clang -O3 -fwrapv -march=native -fomit-frame-pointer -Qunused-arguments`	20161010	20161009
58245	`ref`	`clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments`	20161010	20161009

Checksum failure

Implementation: crypto_hash/bash512/ref
Compiler: cc

a397472ba7599635360cf4397e77b42145d47322e3ee531180b21ebf8e99930d

Number of similar (compiler,implementation) pairs: 26, namely:

Compiler	Implementations
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/bash512/ref
Compiler: gcc -m64 -march=barcelona -Os -fomit-frame-pointer

a397472ba7599635360cf4397e77b42145d47322e3ee531180b21ebf8e99930d a397472ba7599635360cf4397e77b42145d47322e3ee531180b21ebf8e99930d

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

Compiler	Implementations
gcc -m64 -march=barcelona -Os -fomit-frame-pointer	ref

Test failure

Implementation: crypto_hash/bash512/ref
Compiler: gcc -m64 -march=core2 -O3 -fomit-frame-pointer

error 111

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

Compiler	Implementations
gcc -m64 -march=core2 -O3 -fomit-frame-pointer	ref

Compiler output

Implementation: crypto_hash/bash512/avx2
Compiler: cc

Number of similar (compiler,implementation) pairs: 92, namely:

Compiler	Implementations
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/bash512/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:

Compiler	Implementations
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/bash512/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:

Compiler	Implementations
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