Implementation notes: amd64, rumba5, crypto_hash/lux512

Computer: rumba5
Architecture: amd64
CPU ID: AuthenticAMD-00800f11-178bfbff
SUPERCOP version: 20181113
Operation: crypto_hash
Primitive: lux512
TimeImplementationCompilerBenchmark dateSUPERCOP version
14400asmclang -O3 -fwrapv -march=native -fomit-frame-pointer -Qunused-arguments2018051620171218
14432asmclang -O3 -fomit-frame-pointer -Qunused-arguments2018051620171218
14432asmclang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fomit-frame-pointer -Qunused-arguments2018051620171218
14432asmclang -O3 -fwrapv -mavx2 -fomit-frame-pointer -Qunused-arguments2018051620171218
14432asmclang -mcpu=cortex-a9 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments2018051620171218
14432asmclang -mcpu=native -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments2018051620171218
14464asmclang -O3 -fwrapv -mavx -maes -mpclmul -fomit-frame-pointer -Qunused-arguments2018051620171218
14464asmclang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments2018051620171218
14496asmclang -mcpu=cortex-a8 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments2018051620171218
14816asmclang -O3 -fwrapv -mavx -fomit-frame-pointer -Qunused-arguments2018051620171218
19456asmcc2018051620171218
21952asmgcc -funroll-loops2018051620171218
22432asmgcc2018051620171218

Test failure

Implementation: crypto_hash/lux512/asm
Compiler: gcc -O2 -fomit-frame-pointer
error 111

Number of similar (compiler,implementation) pairs: 104, namely:
CompilerImplementations
gcc -O2 -fomit-frame-pointer asm
gcc -O3 -fomit-frame-pointer asm
gcc -O -fomit-frame-pointer asm
gcc -Os -fomit-frame-pointer asm
gcc -fno-schedule-insns -O2 -fomit-frame-pointer asm
gcc -fno-schedule-insns -O3 -fomit-frame-pointer asm
gcc -fno-schedule-insns -O -fomit-frame-pointer asm
gcc -fno-schedule-insns -Os -fomit-frame-pointer asm
gcc -funroll-loops -O2 -fomit-frame-pointer asm
gcc -funroll-loops -O3 -fomit-frame-pointer asm
gcc -funroll-loops -O -fomit-frame-pointer asm
gcc -funroll-loops -Os -fomit-frame-pointer asm
gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer asm
gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer asm
gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer asm
gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer asm
gcc -funroll-loops -m64 -O2 -fomit-frame-pointer asm
gcc -funroll-loops -m64 -O3 -fomit-frame-pointer asm
gcc -funroll-loops -m64 -O -fomit-frame-pointer asm
gcc -funroll-loops -m64 -Os -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer asm
gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer asm
gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer asm
gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer asm
gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer asm
gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer asm
gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer asm
gcc -funroll-loops -march=k8 -O -fomit-frame-pointer asm
gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer asm
gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer asm
gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer asm
gcc -funroll-loops -march=nocona -O -fomit-frame-pointer asm
gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer asm
gcc -m64 -O2 -fomit-frame-pointer asm
gcc -m64 -O3 -fomit-frame-pointer asm
gcc -m64 -O -fomit-frame-pointer asm
gcc -m64 -Os -fomit-frame-pointer asm
gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer asm
gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer asm
gcc -m64 -march=core-avx-i -O -fomit-frame-pointer asm
gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer asm
gcc -m64 -march=core-avx2 -O2 -fomit-frame-pointer asm
gcc -m64 -march=core-avx2 -O3 -fomit-frame-pointer asm
gcc -m64 -march=core-avx2 -O -fomit-frame-pointer asm
gcc -m64 -march=core-avx2 -Os -fomit-frame-pointer asm
gcc -m64 -march=core2 -O2 -fomit-frame-pointer asm
gcc -m64 -march=core2 -O3 -fomit-frame-pointer asm
gcc -m64 -march=core2 -O -fomit-frame-pointer asm
gcc -m64 -march=core2 -Os -fomit-frame-pointer asm
gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer asm
gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer asm
gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer asm
gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer asm
gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer asm
gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer asm
gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer asm
gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer asm
gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer asm
gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer asm
gcc -m64 -march=corei7-avx -O -fomit-frame-pointer asm
gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer asm
gcc -m64 -march=corei7 -O2 -fomit-frame-pointer asm
gcc -m64 -march=corei7 -O3 -fomit-frame-pointer asm
gcc -m64 -march=corei7 -O -fomit-frame-pointer asm
gcc -m64 -march=corei7 -Os -fomit-frame-pointer asm
gcc -m64 -march=k8 -O2 -fomit-frame-pointer asm
gcc -m64 -march=k8 -O3 -fomit-frame-pointer asm
gcc -m64 -march=k8 -O -fomit-frame-pointer asm
gcc -m64 -march=k8 -Os -fomit-frame-pointer asm
gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer asm
gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer asm
gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer asm
gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer asm
gcc -m64 -march=nocona -O2 -fomit-frame-pointer asm
gcc -m64 -march=nocona -O3 -fomit-frame-pointer asm
gcc -m64 -march=nocona -O -fomit-frame-pointer asm
gcc -m64 -march=nocona -Os -fomit-frame-pointer asm
gcc -march=barcelona -O2 -fomit-frame-pointer asm
gcc -march=barcelona -O3 -fomit-frame-pointer asm
gcc -march=barcelona -O -fomit-frame-pointer asm
gcc -march=barcelona -Os -fomit-frame-pointer asm
gcc -march=k8 -O2 -fomit-frame-pointer asm
gcc -march=k8 -O3 -fomit-frame-pointer asm
gcc -march=k8 -O -fomit-frame-pointer asm
gcc -march=k8 -Os -fomit-frame-pointer asm
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv asm
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv asm
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv asm
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv asm
gcc -march=nocona -O2 -fomit-frame-pointer asm
gcc -march=nocona -O3 -fomit-frame-pointer asm
gcc -march=nocona -O -fomit-frame-pointer asm
gcc -march=nocona -Os -fomit-frame-pointer asm

Test failure

Implementation: crypto_hash/lux512/asm
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer
error 111
error 111

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

Compiler output

Implementation: crypto_hash/lux512/asm
Compiler: cc
LUX.c: LUX.c: In function 'Update':
LUX.c: LUX.c:264:5: warning: implicit declaration of function 'LUX25664' [-Wimplicit-function-declaration]
LUX.c: LUX25664(&Te0,state->gt;core,state->gt;buffer,data,doneLength);
LUX.c: ^
LUX.c: LUX.c:286:4: warning: implicit declaration of function 'LUX51264' [-Wimplicit-function-declaration]
LUX.c: LUX51264(&T640,state->gt;core64,state->gt;buffer64,data,doneLength);
LUX.c: ^
hash.c: In file included from hash.c:2:0:
hash.c: LUX.c: In function 'Update':
hash.c: LUX.c:264:5: warning: implicit declaration of function 'LUX25664' [-Wimplicit-function-declaration]
hash.c: LUX25664(&Te0,state->gt;core,state->gt;buffer,data,doneLength);
hash.c: ^
hash.c: LUX.c:286:4: warning: implicit declaration of function 'LUX51264' [-Wimplicit-function-declaration]
hash.c: LUX51264(&T640,state->gt;core64,state->gt;buffer64,data,doneLength);
hash.c: ^

Number of similar (compiler,implementation) pairs: 107, namely:
CompilerImplementations
cc asm
gcc asm
gcc -O2 -fomit-frame-pointer asm
gcc -O3 -fomit-frame-pointer asm
gcc -O -fomit-frame-pointer asm
gcc -Os -fomit-frame-pointer asm
gcc -fno-schedule-insns -O2 -fomit-frame-pointer asm
gcc -fno-schedule-insns -O3 -fomit-frame-pointer asm
gcc -fno-schedule-insns -O -fomit-frame-pointer asm
gcc -fno-schedule-insns -Os -fomit-frame-pointer asm
gcc -funroll-loops asm
gcc -funroll-loops -O2 -fomit-frame-pointer asm
gcc -funroll-loops -O3 -fomit-frame-pointer asm
gcc -funroll-loops -O -fomit-frame-pointer asm
gcc -funroll-loops -Os -fomit-frame-pointer asm
gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer asm
gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer asm
gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer asm
gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer asm
gcc -funroll-loops -m64 -O2 -fomit-frame-pointer asm
gcc -funroll-loops -m64 -O3 -fomit-frame-pointer asm
gcc -funroll-loops -m64 -O -fomit-frame-pointer asm
gcc -funroll-loops -m64 -Os -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer asm
gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer asm
gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer asm
gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer asm
gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer asm
gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer asm
gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer asm
gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer asm
gcc -funroll-loops -march=k8 -O -fomit-frame-pointer asm
gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer asm
gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer asm
gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer asm
gcc -funroll-loops -march=nocona -O -fomit-frame-pointer asm
gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer asm
gcc -m64 -O2 -fomit-frame-pointer asm
gcc -m64 -O3 -fomit-frame-pointer asm
gcc -m64 -O -fomit-frame-pointer asm
gcc -m64 -Os -fomit-frame-pointer asm
gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer asm
gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer asm
gcc -m64 -march=core-avx-i -O -fomit-frame-pointer asm
gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer asm
gcc -m64 -march=core-avx2 -O2 -fomit-frame-pointer asm
gcc -m64 -march=core-avx2 -O3 -fomit-frame-pointer asm
gcc -m64 -march=core-avx2 -O -fomit-frame-pointer asm
gcc -m64 -march=core-avx2 -Os -fomit-frame-pointer asm
gcc -m64 -march=core2 -O2 -fomit-frame-pointer asm
gcc -m64 -march=core2 -O3 -fomit-frame-pointer asm
gcc -m64 -march=core2 -O -fomit-frame-pointer asm
gcc -m64 -march=core2 -Os -fomit-frame-pointer asm
gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer asm
gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer asm
gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer asm
gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer asm
gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer asm
gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer asm
gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer asm
gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer asm
gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer asm
gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer asm
gcc -m64 -march=corei7-avx -O -fomit-frame-pointer asm
gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer asm
gcc -m64 -march=corei7 -O2 -fomit-frame-pointer asm
gcc -m64 -march=corei7 -O3 -fomit-frame-pointer asm
gcc -m64 -march=corei7 -O -fomit-frame-pointer asm
gcc -m64 -march=corei7 -Os -fomit-frame-pointer asm
gcc -m64 -march=k8 -O2 -fomit-frame-pointer asm
gcc -m64 -march=k8 -O3 -fomit-frame-pointer asm
gcc -m64 -march=k8 -O -fomit-frame-pointer asm
gcc -m64 -march=k8 -Os -fomit-frame-pointer asm
gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer asm
gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer asm
gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer asm
gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer asm
gcc -m64 -march=nocona -O2 -fomit-frame-pointer asm
gcc -m64 -march=nocona -O3 -fomit-frame-pointer asm
gcc -m64 -march=nocona -O -fomit-frame-pointer asm
gcc -m64 -march=nocona -Os -fomit-frame-pointer asm
gcc -march=barcelona -O2 -fomit-frame-pointer asm
gcc -march=barcelona -O3 -fomit-frame-pointer asm
gcc -march=barcelona -O -fomit-frame-pointer asm
gcc -march=barcelona -Os -fomit-frame-pointer asm
gcc -march=k8 -O2 -fomit-frame-pointer asm
gcc -march=k8 -O3 -fomit-frame-pointer asm
gcc -march=k8 -O -fomit-frame-pointer asm
gcc -march=k8 -Os -fomit-frame-pointer asm
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv asm
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv asm
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv asm
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv asm
gcc -march=nocona -O2 -fomit-frame-pointer asm
gcc -march=nocona -O3 -fomit-frame-pointer asm
gcc -march=nocona -O -fomit-frame-pointer asm
gcc -march=nocona -Os -fomit-frame-pointer asm

Compiler output

Implementation: crypto_hash/lux512/asm
Compiler: clang -O3 -fomit-frame-pointer -Qunused-arguments
LUX.c: LUX.c:264:5: warning: implicit declaration of function 'LUX25664' is invalid in C99 [-Wimplicit-function-declaration]
LUX.c: LUX25664(&Te0,state->gt;core,state->gt;buffer,data,doneLength);
LUX.c: ^
LUX.c: LUX.c:286:4: warning: implicit declaration of function 'LUX51264' is invalid in C99 [-Wimplicit-function-declaration]
LUX.c: LUX51264(&T640,state->gt;core64,state->gt;buffer64,data,doneLength);
LUX.c: ^
LUX.c: 2 warnings generated.
hash.c: In file included from hash.c:2:
hash.c: ./LUX.c:264:5: warning: implicit declaration of function 'LUX25664' is invalid in C99 [-Wimplicit-function-declaration]
hash.c: LUX25664(&Te0,state->gt;core,state->gt;buffer,data,doneLength);
hash.c: ^
hash.c: ./LUX.c:286:4: warning: implicit declaration of function 'LUX51264' is invalid in C99 [-Wimplicit-function-declaration]
hash.c: LUX51264(&T640,state->gt;core64,state->gt;buffer64,data,doneLength);
hash.c: ^
hash.c: 2 warnings generated.

Number of similar (compiler,implementation) pairs: 10, namely:
CompilerImplementations
clang -O3 -fomit-frame-pointer -Qunused-arguments asm
clang -O3 -fwrapv -march=native -fomit-frame-pointer -Qunused-arguments asm
clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fomit-frame-pointer -Qunused-arguments asm
clang -O3 -fwrapv -mavx2 -fomit-frame-pointer -Qunused-arguments asm
clang -O3 -fwrapv -mavx -fomit-frame-pointer -Qunused-arguments asm
clang -O3 -fwrapv -mavx -maes -mpclmul -fomit-frame-pointer -Qunused-arguments asm
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments asm
clang -mcpu=cortex-a8 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments asm
clang -mcpu=cortex-a9 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments asm
clang -mcpu=native -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments asm

Compiler output

Implementation: crypto_hash/lux512/asm
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer
LUX.c: LUX.c: In function 'Update':
LUX.c: LUX.c:264:5: warning: implicit declaration of function 'LUX25664' [-Wimplicit-function-declaration]
LUX.c: LUX25664(&Te0,state->gt;core,state->gt;buffer,data,doneLength);
LUX.c: ^
LUX.c: LUX.c:286:4: warning: implicit declaration of function 'LUX51264' [-Wimplicit-function-declaration]
LUX.c: LUX51264(&T640,state->gt;core64,state->gt;buffer64,data,doneLength);
LUX.c: ^
hash.c: In file included from hash.c:2:0:
hash.c: LUX.c: In function 'Update':
hash.c: LUX.c:264:5: warning: implicit declaration of function 'LUX25664' [-Wimplicit-function-declaration]
hash.c: LUX25664(&Te0,state->gt;core,state->gt;buffer,data,doneLength);
hash.c: ^
hash.c: LUX.c:286:4: warning: implicit declaration of function 'LUX51264' [-Wimplicit-function-declaration]
hash.c: LUX51264(&T640,state->gt;core64,state->gt;buffer64,data,doneLength);
hash.c: ^
LUX.c: LUX.c: In function 'Update':
LUX.c: LUX.c:264:5: warning: implicit declaration of function 'LUX25664' [-Wimplicit-function-declaration]
LUX.c: LUX25664(&Te0,state->gt;core,state->gt;buffer,data,doneLength);
LUX.c: ^
LUX.c: LUX.c:286:4: warning: implicit declaration of function 'LUX51264' [-Wimplicit-function-declaration]
LUX.c: LUX51264(&T640,state->gt;core64,state->gt;buffer64,data,doneLength);
LUX.c: ^
hash.c: In file included from hash.c:2:0:
hash.c: LUX.c: In function 'Update':
hash.c: LUX.c:264:5: warning: implicit declaration of function 'LUX25664' [-Wimplicit-function-declaration]
hash.c: LUX25664(&Te0,state->gt;core,state->gt;buffer,data,doneLength);
hash.c: ^
hash.c: LUX.c:286:4: warning: implicit declaration of function 'LUX51264' [-Wimplicit-function-declaration]
hash.c: LUX51264(&T640,state->gt;core64,state->gt;buffer64,data,doneLength);
hash.c: ^

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