Implementation notes: amd64, oki, crypto_aead/deoxyseq256128v13

Computer: oki
Architecture: amd64
CPU ID: GenuineIntel-00050654-bfebfbff
SUPERCOP version: 20181123
Operation: crypto_aead
Primitive: deoxyseq256128v13

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1307938	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-O3_-fomit-frame-pointer`	20181129	20181123
1359238	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core-avx2_-O3_-fomit-frame-pointer`	20181129	20181123
1512224	? ? ?	? ? ?	`ref`	`clang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments`	20181129	20181123
1512420	? ? ?	? ? ?	`ref`	`clang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments`	20181129	20181123
1512470	? ? ?	? ? ?	`ref`	`clang_-O3_-fwrapv_-mavx2_-fomit-frame-pointer_-Qunused-arguments`	20181129	20181123
1512574	? ? ?	? ? ?	`ref`	`clang_-O3_-fomit-frame-pointer_-Qunused-arguments`	20181129	20181123
1512710	? ? ?	? ? ?	`ref`	`clang_-O3_-fwrapv_-march=x86-64_-mcpu=core-avx2_-mavx2_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments`	20181129	20181123
1513200	? ? ?	? ? ?	`ref`	`clang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20181129	20181123
1513342	? ? ?	? ? ?	`ref`	`clang_-mcpu=cortex-a9_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20181129	20181123
1513430	? ? ?	? ? ?	`ref`	`clang_-mcpu=cortex-a8_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20181129	20181123
1519960	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=corei7_-O3_-fomit-frame-pointer`	20181129	20181123
1526092	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer`	20181129	20181123
1527300	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer`	20181129	20181123
1529868	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=corei7-avx_-O3_-fomit-frame-pointer`	20181129	20181123
1536170	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core-avx-i_-O3_-fomit-frame-pointer`	20181129	20181123
1557218	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer`	20181129	20181123
1569910	? ? ?	? ? ?	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv`	20181129	20181123
1777924	? ? ?	? ? ?	`ref`	`gcc_-O3_-fomit-frame-pointer`	20181129	20181123
1777924	? ? ?	? ? ?	`ref`	`gcc_-m64_-O3_-fomit-frame-pointer`	20181129	20181123
1777994	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20181129	20181123
1811648	? ? ?	? ? ?	`ref`	`gcc_-march=nocona_-O3_-fomit-frame-pointer`	20181129	20181123
1815156	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=nocona_-O3_-fomit-frame-pointer`	20181129	20181123
1946776	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer`	20181129	20181123
1947038	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer`	20181129	20181123
1960238	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer`	20181129	20181123
1963122	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-O3_-fomit-frame-pointer`	20181129	20181123
1963236	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20181129	20181123
2402460	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer`	20181129	20181123
2403840	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer`	20181129	20181123
2425190	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer`	20181129	20181123
2426804	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer`	20181129	20181123
2444486	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer`	20181129	20181123
2444698	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-O2_-fomit-frame-pointer`	20181129	20181123
2445144	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20181129	20181123
2449420	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer`	20181129	20181123
2449458	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer`	20181129	20181123
2451354	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer`	20181129	20181123
2463880	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer`	20181129	20181123
2478374	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer`	20181129	20181123
2482530	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer`	20181129	20181123
2666228	? ? ?	? ? ?	`ref`	`gcc_-march=barcelona_-O3_-fomit-frame-pointer`	20181129	20181123
2670128	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer`	20181129	20181123
2676528	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=k8_-O3_-fomit-frame-pointer`	20181129	20181123
2677024	? ? ?	? ? ?	`ref`	`gcc_-march=k8_-O3_-fomit-frame-pointer`	20181129	20181123
2845136	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=corei7_-O2_-fomit-frame-pointer`	20181129	20181123
2854038	? ? ?	? ? ?	`ref`	`gcc_-march=nocona_-O2_-fomit-frame-pointer`	20181129	20181123
2861452	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=nocona_-O2_-fomit-frame-pointer`	20181129	20181123
2873818	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core-avx-i_-O2_-fomit-frame-pointer`	20181129	20181123
2877810	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core-avx2_-O2_-fomit-frame-pointer`	20181129	20181123
2910638	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=corei7-avx_-O2_-fomit-frame-pointer`	20181129	20181123
3016108	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20181129	20181123
3016678	? ? ?	? ? ?	`ref`	`gcc_-march=k8_-O2_-fomit-frame-pointer`	20181129	20181123
3017384	? ? ?	? ? ?	`ref`	`gcc_-O2_-fomit-frame-pointer`	20181129	20181123
3017620	? ? ?	? ? ?	`ref`	`gcc_-m64_-O2_-fomit-frame-pointer`	20181129	20181123
3018400	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer`	20181129	20181123
3018444	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-O2_-fomit-frame-pointer`	20181129	20181123
3018552	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer`	20181129	20181123
3021264	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=k8_-O2_-fomit-frame-pointer`	20181129	20181123
3057444	? ? ?	? ? ?	`ref`	`gcc_-march=barcelona_-O2_-fomit-frame-pointer`	20181129	20181123
3059966	? ? ?	? ? ?	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv`	20181129	20181123
3083234	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer`	20181129	20181123
3090056	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer`	20181129	20181123
3642532	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer`	20181129	20181123
3648970	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer`	20181129	20181123
4091366	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-O_-fomit-frame-pointer`	20181129	20181123
4095996	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer`	20181129	20181123
4105260	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-O_-fomit-frame-pointer`	20181129	20181123
4121114	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer`	20181129	20181123
4134144	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer`	20181129	20181123
4266200	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer`	20181129	20181123
4266518	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer`	20181129	20181123
4285770	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-O_-fomit-frame-pointer`	20181129	20181123
4285810	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=corei7-avx_-O_-fomit-frame-pointer`	20181129	20181123
4286066	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core-avx-i_-O_-fomit-frame-pointer`	20181129	20181123
4286308	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer`	20181129	20181123
4286438	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer`	20181129	20181123
4339170	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=barcelona_-O_-fomit-frame-pointer`	20181129	20181123
4341942	? ? ?	? ? ?	`ref`	`gcc_-march=barcelona_-O_-fomit-frame-pointer`	20181129	20181123
4379138	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=corei7_-O_-fomit-frame-pointer`	20181129	20181123
4436106	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer`	20181129	20181123
4443024	? ? ?	? ? ?	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv`	20181129	20181123
4589588	? ? ?	? ? ?	`ref`	`gcc_-march=nocona_-O_-fomit-frame-pointer`	20181129	20181123
4590382	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=nocona_-O_-fomit-frame-pointer`	20181129	20181123
4723306	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core-avx-i_-Os_-fomit-frame-pointer`	20181129	20181123
4725778	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=corei7-avx_-Os_-fomit-frame-pointer`	20181129	20181123
4771528	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=nocona_-Os_-fomit-frame-pointer`	20181129	20181123
4777238	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer`	20181129	20181123
4778066	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer`	20181129	20181123
4792024	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer`	20181129	20181123
4792174	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer`	20181129	20181123
4807434	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer`	20181129	20181123
4809266	? ? ?	? ? ?	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv`	20181129	20181123
4809870	? ? ?	? ? ?	`ref`	`gcc_-march=nocona_-Os_-fomit-frame-pointer`	20181129	20181123
4819710	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=corei7_-Os_-fomit-frame-pointer`	20181129	20181123
4824056	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer`	20181129	20181123
4827980	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer`	20181129	20181123
4840400	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-Os_-fomit-frame-pointer`	20181129	20181123
4840408	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer`	20181129	20181123
4842868	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20181129	20181123
4843748	? ? ?	? ? ?	`ref`	`gcc_-m64_-Os_-fomit-frame-pointer`	20181129	20181123
4844010	? ? ?	? ? ?	`ref`	`gcc_-Os_-fomit-frame-pointer`	20181129	20181123
4849516	? ? ?	? ? ?	`ref`	`gcc_-march=k8_-Os_-fomit-frame-pointer`	20181129	20181123
4851640	? ? ?	? ? ?	`ref`	`gcc_-march=barcelona_-Os_-fomit-frame-pointer`	20181129	20181123
4851806	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=k8_-Os_-fomit-frame-pointer`	20181129	20181123
4855602	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer`	20181129	20181123
4866044	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-O_-fomit-frame-pointer`	20181129	20181123
4866242	? ? ?	? ? ?	`ref`	`gcc_-m64_-O_-fomit-frame-pointer`	20181129	20181123
4870404	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-Os_-fomit-frame-pointer`	20181129	20181123
4877320	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20181129	20181123
4877692	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer`	20181129	20181123
4895950	? ? ?	? ? ?	`ref`	`gcc_-O_-fomit-frame-pointer`	20181129	20181123
4908580	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer`	20181129	20181123
4910038	? ? ?	? ? ?	`ref`	`gcc_-march=k8_-O_-fomit-frame-pointer`	20181129	20181123
4910944	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core-avx2_-O_-fomit-frame-pointer`	20181129	20181123
4912282	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=k8_-O_-fomit-frame-pointer`	20181129	20181123
5081348	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core-avx2_-Os_-fomit-frame-pointer`	20181129	20181123
10643760	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops`	20181129	20181123
10646774	? ? ?	? ? ?	`ref`	`gcc`	20181129	20181123
10731622	? ? ?	? ? ?	`ref`	`cc`	20181129	20181123

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: 0x1ec3000: v4i64 = X86ISD::VTRUNC 0x1ec2e30
try.c: 0x1ec2e30: v16i32 = vselect 0x1ebfa70, 0x1e58cf0, 0x1ec2d00
try.c: 0x1ebfa70: v4i1 = X86ISD::PCMPGTM 0x1eaa920, 0x1e59aa0
try.c: 0x1eaa920: v4i64 = X86ISD::VBROADCAST 0x1e59e30
try.c: 0x1e59e30: i64,ch = load<LD8[%uglygep72]> 0x1da5da0, 0x1e468a0, undef:i64
try.c: 0x1e468a0: i64 = add 0x1eab800, 0x1e48230
try.c: 0x1eab800: i64 = X86ISD::Wrapper TargetGlobalAddress:i64<[64 x i64]* @cycles> 0
try.c: 0x1ea0190: i64 = TargetGlobalAddress<[64 x i64]* @cycles> 0
try.c: 0x1e48230: i64 = shl 0x1e9f940, Constant:i8<3>
try.c: 0x1e9f940: i64,ch = CopyFromReg 0x1da5da0, Register:i64 %vreg50
try.c: 0x1eabcc0: i64 = Register %vreg50
try.c: 0x1e55ae0: i8 = Constant<3>
try.c: 0x1ea8780: i64 = undef
try.c: 0x1e59aa0: v4i64,ch = CopyFromReg 0x1da5da0, Register:v4i64 %vreg13
try.c: 0x1e5c830: v4i64 = Register %vreg13
try.c: 0x1e58cf0: v16i32 = X86ISD::VBROADCAST 0x1e9fba0
try.c: 0x1e9fba0: i32,ch = load<LD4[ConstantPool]> 0x1da5da0, 0x1ec2970, undef:i64
try.c: 0x1ec2970: i64 = X86ISD::Wrapper TargetConstantPool:i64<i32 1> 0
try.c: 0x1e53030: i64 = TargetConstantPool<i32 1> 0
try.c: 0x1ea8780: i64 = undef
try.c: 0x1ec2d00: 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: 0x1ec2bd0: i32 = Constant<0>
try.c: 0x1ec2bd0: i32 = Constant<0>
try.c: 0x1ec2bd0: i32 = Constant<0>
try.c: 0x1ec2bd0: i32 = Constant<0>
try.c: ...

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

Compiler	Implementations
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: 0xe1e900: v4i64 = X86ISD::VTRUNC 0xe1e730
try.c: 0xe1e730: v16i32 = vselect 0xe1b370, 0xd9e000, 0xe1e600
try.c: 0xe1b370: v4i1 = X86ISD::PCMPGTM 0xe06220, 0xdb73b0
try.c: 0xe06220: v4i64 = X86ISD::VBROADCAST 0xdb7740
try.c: 0xdb7740: i64,ch = load<LD8[%uglygep72]> 0xd01dd0, 0xdb3920, undef:i64
try.c: 0xdb3920: i64 = add 0xe07100, 0xdac4f0
try.c: 0xe07100: i64 = X86ISD::Wrapper TargetGlobalAddress:i64<[64 x i64]* @cycles> 0
try.c: 0xdff010: i64 = TargetGlobalAddress<[64 x i64]* @cycles> 0
try.c: 0xdac4f0: i64 = shl 0xdfe7c0, Constant:i8<3>
try.c: 0xdfe7c0: i64,ch = CopyFromReg 0xd01dd0, Register:i64 %vreg50
try.c: 0xe075c0: i64 = Register %vreg50
try.c: 0xdadaf0: i8 = Constant<3>
try.c: 0xe04080: i64 = undef
try.c: 0xdb73b0: v4i64,ch = CopyFromReg 0xd01dd0, Register:v4i64 %vreg13
try.c: 0xdbbb80: v4i64 = Register %vreg13
try.c: 0xd9e000: v16i32 = X86ISD::VBROADCAST 0xdfea20
try.c: 0xdfea20: i32,ch = load<LD4[ConstantPool]> 0xd01dd0, 0xe1e270, undef:i64
try.c: 0xe1e270: i64 = X86ISD::Wrapper TargetConstantPool:i64<i32 1> 0
try.c: 0xdb9170: i64 = TargetConstantPool<i32 1> 0
try.c: 0xe04080: i64 = undef
try.c: 0xe1e600: 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: 0xe1e4d0: i32 = Constant<0>
try.c: 0xe1e4d0: i32 = Constant<0>
try.c: 0xe1e4d0: i32 = Constant<0>
try.c: 0xe1e4d0: i32 = Constant<0>
try.c: ...

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

Compiler	Implementations
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments	ref