Implementation notes: amd64, oki, crypto_aead/aes256otrpv2

Computer: oki
Architecture: amd64
CPU ID: GenuineIntel-00050654-bfebfbff
SUPERCOP version: 20181123
Operation: crypto_aead
Primitive: aes256otrpv2
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
110278? ? ?? ? ?refgcc_-m64_-march=corei7_-O3_-fomit-frame-pointer2019011020181123
110330? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer2019011020181123
110466? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer2019011020181123
111108? ? ?? ? ?refgcc_-m64_-march=core-avx2_-O3_-fomit-frame-pointer2019011020181123
111222? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O3_-fomit-frame-pointer2019011020181123
111314? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O3_-fomit-frame-pointer2019011020181123
112546? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer2019011020181123
112600? ? ?? ? ?refgcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer2019011020181123
112642? ? ?? ? ?refgcc_-funroll-loops_-O3_-fomit-frame-pointer2019011020181123
112736? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer2019011020181123
112738? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer2019011020181123
112798? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer2019011020181123
112822? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer2019011020181123
113260? ? ?? ? ?refgcc_-O3_-fomit-frame-pointer2019011020181123
113276? ? ?? ? ?refgcc_-m64_-O3_-fomit-frame-pointer2019011020181123
113318? ? ?? ? ?refgcc_-fno-schedule-insns_-O3_-fomit-frame-pointer2019011020181123
113338? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer2019011020181123
114232? ? ?? ? ?refgcc_-m64_-march=k8_-O3_-fomit-frame-pointer2019011020181123
114310? ? ?? ? ?refgcc_-m64_-march=core2_-O3_-fomit-frame-pointer2019011020181123
114358? ? ?? ? ?refgcc_-march=k8_-O3_-fomit-frame-pointer2019011020181123
114358? ? ?? ? ?refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv2019011020181123
114398? ? ?? ? ?refgcc_-march=barcelona_-O3_-fomit-frame-pointer2019011020181123
114406? ? ?? ? ?refgcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer2019011020181123
115492? ? ?? ? ?refgcc_-m64_-march=nocona_-O3_-fomit-frame-pointer2019011020181123
115712? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer2019011020181123
115796? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer2019011020181123
115802? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer2019011020181123
115826? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer2019011020181123
115832? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer2019011020181123
115850? ? ?? ? ?refgcc_-funroll-loops_-O2_-fomit-frame-pointer2019011020181123
116014? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer2019011020181123
116146? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer2019011020181123
116624? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer2019011020181123
116662? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer2019011020181123
118498? ? ?? ? ?refgcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer2019011020181123
119592? ? ?? ? ?refgcc_-march=nocona_-O3_-fomit-frame-pointer2019011020181123
121816? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer2019011020181123
121962? ? ?? ? ?refgcc_-funroll-loops_-m64_-O_-fomit-frame-pointer2019011020181123
122130? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer2019011020181123
122134? ? ?? ? ?refgcc_-funroll-loops_-O_-fomit-frame-pointer2019011020181123
122520? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer2019011020181123
122546? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer2019011020181123
122732? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer2019011020181123
122746? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer2019011020181123
123036? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer2019011020181123
123052? ? ?? ? ?refgcc_-m64_-march=core-avx2_-O2_-fomit-frame-pointer2019011020181123
123158? ? ?? ? ?refgcc_-march=nocona_-O2_-fomit-frame-pointer2019011020181123
123198? ? ?? ? ?refgcc_-m64_-march=corei7_-O2_-fomit-frame-pointer2019011020181123
123278? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O2_-fomit-frame-pointer2019011020181123
123376? ? ?? ? ?refgcc_-m64_-march=nocona_-O2_-fomit-frame-pointer2019011020181123
123400? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O2_-fomit-frame-pointer2019011020181123
124034? ? ?? ? ?refgcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer2019011020181123
124034? ? ?? ? ?refgcc_-march=barcelona_-O2_-fomit-frame-pointer2019011020181123
124126? ? ?? ? ?refgcc_-O2_-fomit-frame-pointer2019011020181123
124172? ? ?? ? ?refgcc_-m64_-O2_-fomit-frame-pointer2019011020181123
124174? ? ?? ? ?refgcc_-fno-schedule-insns_-O2_-fomit-frame-pointer2019011020181123
124254? ? ?? ? ?refgcc_-m64_-march=core2_-O2_-fomit-frame-pointer2019011020181123
124324? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2019011020181123
124396? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer2019011020181123
124704? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer2019011020181123
125314? ? ?? ? ?refgcc_-march=k8_-O2_-fomit-frame-pointer2019011020181123
125406? ? ?? ? ?refgcc_-m64_-march=k8_-O2_-fomit-frame-pointer2019011020181123
126120? ? ?? ? ?refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv2019011020181123
129498? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O_-fomit-frame-pointer2019011020181123
129696? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O_-fomit-frame-pointer2019011020181123
129710? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer2019011020181123
129752? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer2019011020181123
129820? ? ?? ? ?refgcc_-m64_-march=core2_-O_-fomit-frame-pointer2019011020181123
129834? ? ?? ? ?refgcc_-O_-fomit-frame-pointer2019011020181123
129856? ? ?? ? ?refgcc_-fno-schedule-insns_-O_-fomit-frame-pointer2019011020181123
129870? ? ?? ? ?refgcc_-m64_-O_-fomit-frame-pointer2019011020181123
129976? ? ?? ? ?refgcc_-m64_-march=nocona_-O_-fomit-frame-pointer2019011020181123
130110? ? ?? ? ?refgcc_-march=nocona_-O_-fomit-frame-pointer2019011020181123
130202? ? ?? ? ?refgcc_-m64_-march=corei7_-O_-fomit-frame-pointer2019011020181123
130260? ? ?? ? ?refgcc_-m64_-march=core-avx2_-O_-fomit-frame-pointer2019011020181123
130380? ? ?? ? ?refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv2019011020181123
130472? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer2019011020181123
130748? ? ?? ? ?refgcc_-m64_-march=barcelona_-O_-fomit-frame-pointer2019011020181123
130776? ? ?? ? ?refgcc_-march=barcelona_-O_-fomit-frame-pointer2019011020181123
130800? ? ?? ? ?refgcc_-march=k8_-O_-fomit-frame-pointer2019011020181123
130808? ? ?? ? ?refgcc_-m64_-march=k8_-O_-fomit-frame-pointer2019011020181123
131836? ? ?? ? ?refclang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments2019011020181123
132000? ? ?? ? ?refclang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments2019011020181123
132848? ? ?? ? ?refclang_-mcpu=cortex-a8_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019011020181123
132848? ? ?? ? ?refclang_-mcpu=cortex-a9_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019011020181123
132912? ? ?? ? ?refclang_-O3_-fomit-frame-pointer_-Qunused-arguments2019011020181123
132918? ? ?? ? ?refclang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019011020181123
139616? ? ?? ? ?refgcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer2019011020181123
139698? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer2019011020181123
139798? ? ?? ? ?refgcc_-funroll-loops_-Os_-fomit-frame-pointer2019011020181123
139826? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer2019011020181123
140026? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer2019011020181123
140038? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer2019011020181123
140048? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer2019011020181123
140832? ? ?? ? ?refgcc_-Os_-fomit-frame-pointer2019011020181123
140876? ? ?? ? ?refgcc_-m64_-Os_-fomit-frame-pointer2019011020181123
140924? ? ?? ? ?refgcc_-march=barcelona_-Os_-fomit-frame-pointer2019011020181123
140956? ? ?? ? ?refgcc_-march=k8_-Os_-fomit-frame-pointer2019011020181123
140978? ? ?? ? ?refgcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer2019011020181123
140992? ? ?? ? ?refgcc_-m64_-march=nocona_-Os_-fomit-frame-pointer2019011020181123
141006? ? ?? ? ?refgcc_-march=nocona_-Os_-fomit-frame-pointer2019011020181123
141312? ? ?? ? ?refgcc_-m64_-march=core2_-Os_-fomit-frame-pointer2019011020181123
141318? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2019011020181123
141340? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer2019011020181123
141368? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-Os_-fomit-frame-pointer2019011020181123
141506? ? ?? ? ?refgcc_-fno-schedule-insns_-Os_-fomit-frame-pointer2019011020181123
141512? ? ?? ? ?refgcc_-m64_-march=k8_-Os_-fomit-frame-pointer2019011020181123
141658? ? ?? ? ?refgcc_-m64_-march=corei7_-Os_-fomit-frame-pointer2019011020181123
142498? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-Os_-fomit-frame-pointer2019011020181123
142962? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer2019011020181123
143168? ? ?? ? ?refgcc_-m64_-march=core-avx2_-Os_-fomit-frame-pointer2019011020181123
143422? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer2019011020181123
143936? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer2019011020181123
180752? ? ?? ? ?refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv2019011020181123
192168? ? ?? ? ?refclang_-O3_-fwrapv_-march=x86-64_-mcpu=core-avx2_-mavx2_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments2019011020181123
192330? ? ?? ? ?refclang_-O3_-fwrapv_-mavx2_-fomit-frame-pointer_-Qunused-arguments2019011020181123
399752? ? ?? ? ?refcc2019011020181123
402016? ? ?? ? ?refgcc2019011020181123
402026? ? ?? ? ?refgcc_-funroll-loops2019011020181123

Compiler output

Implementation: ref
Security model: unknown
Compiler: cc
OTR.c: OTR.c:51:7: warning: built-in function 'gamma' declared as non-function [enabled by default]
OTR.c: uint8 gamma[BLOCK]={0}, gamma2[BLOCK]={0}, Q[BLOCK]={0};
OTR.c: ^

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

Compiler output

Implementation: ref
Security model: unknown
Compiler: clang -O3 -fwrapv -march=native -fomit-frame-pointer -Qunused-arguments
try.c: fatal error: error in backend: Cannot select: 0x25bce50: v4i64 = X86ISD::VTRUNC 0x25bcc80
try.c: 0x25bcc80: v16i32 = vselect 0x25c3820, 0x2549650, 0x25bcb50
try.c: 0x25c3820: v4i1 = X86ISD::PCMPGTM 0x25a4330, 0x2554aa0
try.c: 0x25a4330: v4i64 = X86ISD::VBROADCAST 0x2554e30
try.c: 0x2554e30: i64,ch = load<LD8[%uglygep72]> 0x249edd0, 0x2557c50, undef:i64
try.c: 0x2557c50: i64 = add 0x25a5210, 0x2525220
try.c: 0x25a5210: i64 = X86ISD::Wrapper TargetGlobalAddress:i64<[64 x i64]* @cycles> 0
try.c: 0x25a0510: i64 = TargetGlobalAddress<[64 x i64]* @cycles> 0
try.c: 0x2525220: i64 = shl 0x259fcc0, Constant:i8<3>
try.c: 0x259fcc0: i64,ch = CopyFromReg 0x249edd0, Register:i64 %vreg50
try.c: 0x25a56d0: i64 = Register %vreg50
try.c: 0x254ede0: i8 = Constant<3>
try.c: 0x25a29a0: i64 = undef
try.c: 0x2554aa0: v4i64,ch = CopyFromReg 0x249edd0, Register:v4i64 %vreg13
try.c: 0x253cc70: v4i64 = Register %vreg13
try.c: 0x2549650: v16i32 = X86ISD::VBROADCAST 0x259ff20
try.c: 0x259ff20: i32,ch = load<LD4[ConstantPool]> 0x249edd0, 0x25bc7c0, undef:i64
try.c: 0x25bc7c0: i64 = X86ISD::Wrapper TargetConstantPool:i64<i32 1> 0
try.c: 0x2551710: i64 = TargetConstantPool<i32 1> 0
try.c: 0x25a29a0: i64 = undef
try.c: 0x25bcb50: v16i32 = BUILD_VECTOR Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>
try.c: 0x25bca20: i32 = Constant<0>
try.c: 0x25bca20: i32 = Constant<0>
try.c: 0x25bca20: i32 = Constant<0>
try.c: 0x25bca20: i32 = Constant<0>
try.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
clang -O3 -fwrapv -march=native -fomit-frame-pointer -Qunused-arguments ref

Compiler output

Implementation: ref
Security model: unknown
Compiler: clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments
try.c: fatal error: error in backend: Cannot select: 0x2415a80: v4i64 = X86ISD::VTRUNC 0x24158b0
try.c: 0x24158b0: v16i32 = vselect 0x2406b60, 0x23a4ca0, 0x2415780
try.c: 0x2406b60: v4i1 = X86ISD::PCMPGTM 0x23ffd70, 0x23a5a50
try.c: 0x23ffd70: v4i64 = X86ISD::VBROADCAST 0x23a5de0
try.c: 0x23a5de0: i64,ch = load<LD8[%uglygep72]> 0x22fbdd0, 0x23e1200, undef:i64
try.c: 0x23e1200: i64 = add 0x2400c50, 0x23900a0
try.c: 0x2400c50: i64 = X86ISD::Wrapper TargetGlobalAddress:i64<[64 x i64]* @cycles> 0
try.c: 0x23bb400: i64 = TargetGlobalAddress<[64 x i64]* @cycles> 0
try.c: 0x23900a0: i64 = shl 0x23babb0, Constant:i8<3>
try.c: 0x23babb0: i64,ch = CopyFromReg 0x22fbdd0, Register:i64 %vreg50
try.c: 0x2401110: i64 = Register %vreg50
try.c: 0x237da20: i8 = Constant<3>
try.c: 0x23fe3e0: i64 = undef
try.c: 0x23a5a50: v4i64,ch = CopyFromReg 0x22fbdd0, Register:v4i64 %vreg13
try.c: 0x23a83a0: v4i64 = Register %vreg13
try.c: 0x23a4ca0: v16i32 = X86ISD::VBROADCAST 0x23bae10
try.c: 0x23bae10: i32,ch = load<LD4[ConstantPool]> 0x22fbdd0, 0x24153f0, undef:i64
try.c: 0x24153f0: i64 = X86ISD::Wrapper TargetConstantPool:i64<i32 1> 0
try.c: 0x23b2300: i64 = TargetConstantPool<i32 1> 0
try.c: 0x23fe3e0: i64 = undef
try.c: 0x2415780: v16i32 = BUILD_VECTOR Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>, Constant:i32<0>
try.c: 0x2415650: i32 = Constant<0>
try.c: 0x2415650: i32 = Constant<0>
try.c: 0x2415650: i32 = Constant<0>
try.c: 0x2415650: i32 = Constant<0>
try.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments ref

Compiler output

Implementation: ref
Security model: unknown
Compiler: gcc
OTR.c: OTR.c:51:7: warning: built-in function 'gamma' declared as non-function
OTR.c: uint8 gamma[BLOCK]={0}, gamma2[BLOCK]={0}, Q[BLOCK]={0};
OTR.c: ^~~~~

Number of similar (compiler,implementation) pairs: 106, namely:
CompilerImplementations
gcc ref
gcc -O2 -fomit-frame-pointer ref
gcc -O3 -fomit-frame-pointer ref
gcc -O -fomit-frame-pointer ref
gcc -Os -fomit-frame-pointer ref
gcc -fno-schedule-insns -O2 -fomit-frame-pointer ref
gcc -fno-schedule-insns -O3 -fomit-frame-pointer ref
gcc -fno-schedule-insns -O -fomit-frame-pointer ref
gcc -fno-schedule-insns -Os -fomit-frame-pointer ref
gcc -funroll-loops ref
gcc -funroll-loops -O2 -fomit-frame-pointer ref
gcc -funroll-loops -O3 -fomit-frame-pointer ref
gcc -funroll-loops -O -fomit-frame-pointer ref
gcc -funroll-loops -Os -fomit-frame-pointer ref
gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer ref
gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer ref
gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer ref
gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer ref
gcc -funroll-loops -m64 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -O -fomit-frame-pointer ref
gcc -funroll-loops -m64 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer ref
gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer ref
gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer ref
gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer ref
gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer ref
gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -march=k8 -O -fomit-frame-pointer ref
gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer ref
gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer ref
gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer ref
gcc -funroll-loops -march=nocona -O -fomit-frame-pointer ref
gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer ref
gcc -m64 -O2 -fomit-frame-pointer ref
gcc -m64 -O3 -fomit-frame-pointer ref
gcc -m64 -O -fomit-frame-pointer ref
gcc -m64 -Os -fomit-frame-pointer ref
gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer ref
gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer ref
gcc -m64 -march=core-avx-i -O -fomit-frame-pointer ref
gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer ref
gcc -m64 -march=core-avx2 -O2 -fomit-frame-pointer ref
gcc -m64 -march=core-avx2 -O3 -fomit-frame-pointer ref
gcc -m64 -march=core-avx2 -O -fomit-frame-pointer ref
gcc -m64 -march=core-avx2 -Os -fomit-frame-pointer ref
gcc -m64 -march=core2 -O2 -fomit-frame-pointer ref
gcc -m64 -march=core2 -O3 -fomit-frame-pointer ref
gcc -m64 -march=core2 -O -fomit-frame-pointer ref
gcc -m64 -march=core2 -Os -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer ref
gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer ref
gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer ref
gcc -m64 -march=corei7-avx -O -fomit-frame-pointer ref
gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer ref
gcc -m64 -march=corei7 -O2 -fomit-frame-pointer ref
gcc -m64 -march=corei7 -O3 -fomit-frame-pointer ref
gcc -m64 -march=corei7 -O -fomit-frame-pointer ref
gcc -m64 -march=corei7 -Os -fomit-frame-pointer ref
gcc -m64 -march=k8 -O2 -fomit-frame-pointer ref
gcc -m64 -march=k8 -O3 -fomit-frame-pointer ref
gcc -m64 -march=k8 -O -fomit-frame-pointer ref
gcc -m64 -march=k8 -Os -fomit-frame-pointer ref
gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer ref
gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer ref
gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer ref
gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer ref
gcc -m64 -march=nocona -O2 -fomit-frame-pointer ref
gcc -m64 -march=nocona -O3 -fomit-frame-pointer ref
gcc -m64 -march=nocona -O -fomit-frame-pointer ref
gcc -m64 -march=nocona -Os -fomit-frame-pointer ref
gcc -march=barcelona -O2 -fomit-frame-pointer ref
gcc -march=barcelona -O3 -fomit-frame-pointer ref
gcc -march=barcelona -O -fomit-frame-pointer ref
gcc -march=barcelona -Os -fomit-frame-pointer ref
gcc -march=k8 -O2 -fomit-frame-pointer ref
gcc -march=k8 -O3 -fomit-frame-pointer ref
gcc -march=k8 -O -fomit-frame-pointer ref
gcc -march=k8 -Os -fomit-frame-pointer ref
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv ref
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv ref
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv ref
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv ref
gcc -march=nocona -O2 -fomit-frame-pointer ref
gcc -march=nocona -O3 -fomit-frame-pointer ref
gcc -march=nocona -O -fomit-frame-pointer ref
gcc -march=nocona -Os -fomit-frame-pointer ref

Compiler output

Implementation: ref
Security model: unknown
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer
OTR.c: OTR.c:51:7: warning: built-in function 'gamma' declared as non-function
OTR.c: uint8 gamma[BLOCK]={0}, gamma2[BLOCK]={0}, Q[BLOCK]={0};
OTR.c: ^~~~~
OTR.c: OTR.c:51:7: warning: built-in function 'gamma' declared as non-function
OTR.c: uint8 gamma[BLOCK]={0}, gamma2[BLOCK]={0}, Q[BLOCK]={0};
OTR.c: ^~~~~

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