Implementation notes: amd64, intelnuci7, crypto_dh/gls254

Computer: intelnuci7
Architecture: amd64
CPU ID: GenuineIntel-000806e9-bfebfbff
SUPERCOP version: 20211108
Operation: crypto_dh
Primitive: gls254

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
148856	40294 196608 0	63273 197400 1608	`T:opt`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211110	20211108
148996	40294 196608 0	63273 197400 1608	`T:opt`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211110	20211108
149014	40294 196608 0	63273 197400 1608	`T:opt`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211110	20211108
158476	21462 196608 0	45734 197400 1640	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211110	20211108
160254	19686 196608 0	40622 197400 1640	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211110	20211108
160782	21814 196608 0	41111 197392 1576	`T:opt`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211110	20211108
173734	129603 16 0	152376 816 1608	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211110	20211108
176068	17646 196608 0	37342 197392 1608	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211110	20211108
176772	19059 196608 0	39878 197400 1640	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211110	20211108
177064	125659 16 0	148528 816 1608	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211110	20211108
178410	125659 16 0	148528 816 1608	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211110	20211108
189154	112963 16 0	132406 808 1576	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211110	20211108
192464	31689 98336 0	56381 99136 1640	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211110	20211108
194390	143627 0 0	166273 784 1608	`T:prot`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211110	20211108
194566	143627 0 0	166273 784 1608	`T:prot`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211110	20211108
196316	146243 0 0	168889 784 1608	`T:prot`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211110	20211108
201514	13456 98336 0	34397 99136 1640	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211110	20211108
210596	14630 98336 0	36005 99136 1640	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211110	20211108
221664	38521 98304 0	63214 99096 1640	`T:prot`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211110	20211108
230230	120086 0 0	139319 776 1576	`T:prot`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211110	20211108
231982	16354 98304 0	37702 99096 1640	`T:prot`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211110	20211108
232946	14950 98304 0	35878 99096 1640	`T:prot`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211110	20211108

Test failure

Implementation: T:prot
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE

error 111

Number of similar (compiler,implementation) pairs: 2, namely:

Compiler	Implementations
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:prot T:ref

Compiler output

Implementation: T:opt
Security model: timingleaks
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

dh.c: In file included from dh.c:10:
dh.c: ./ffa.h:94:5: error: '__builtin_ia32_pclmulqdq128' needs target feature pclmul
dh.c: low_kts_stp(op00,op10,k00,k02,op01,op11,r00,r01,r02,0x00); /* a0xb0 */
dh.c: ^
dh.c: ./ffa.h:62:11: note: expanded from macro 'low_kts_stp'
dh.c: re0 = _mm_clmulepi64_si128(op0, op1, ord);\
dh.c: ^
dh.c: /usr/lib/llvm-6.0/lib/clang/6.0.0/include/__wmmintrin_pclmul.h:54:13: note: expanded from macro '_mm_clmulepi64_si128'
dh.c: ((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(__X), \
dh.c: ^
dh.c: In file included from dh.c:10:
dh.c: ./ffa.h:94:5: error: '__builtin_ia32_pclmulqdq128' needs target feature pclmul
dh.c: ./ffa.h:63:11: note: expanded from macro 'low_kts_stp'
dh.c: re1 = _mm_clmulepi64_si128(op2, op3, ord);\
dh.c: ^
dh.c: /usr/lib/llvm-6.0/lib/clang/6.0.0/include/__wmmintrin_pclmul.h:54:13: note: expanded from macro '_mm_clmulepi64_si128'
dh.c: ((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(__X), \
dh.c: ^
dh.c: In file included from dh.c:10:
dh.c: ./ffa.h:94:5: error: '__builtin_ia32_pclmulqdq128' needs target feature pclmul
dh.c: ./ffa.h:64:11: note: expanded from macro 'low_kts_stp'
dh.c: re2 = _mm_clmulepi64_si128(op4, op5, ord);\
dh.c: ^
dh.c: /usr/lib/llvm-6.0/lib/clang/6.0.0/include/__wmmintrin_pclmul.h:54:13: note: expanded from macro '_mm_clmulepi64_si128'
dh.c: ((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(__X), \
dh.c: ...

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

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:opt

Compiler output

Implementation: T:prot
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

dh.c: In file included from dh.c:9:
dh.c: ./scmul.incl:273:17: warning: implicit declaration of function 'types_cond_copy2' is invalid in C99 [-Wimplicit-function-declaration]
dh.c: types_cond_copy2(tab0, tab4, tabx, n1, n2);
dh.c: ^
dh.c: ./scmul.incl:284:9: warning: implicit declaration of function 'types_cond_copy' is invalid in C99 [-Wimplicit-function-declaration]
dh.c: types_cond_copy(QX, tab0, o1);
dh.c: ^
dh.c: 2 warnings generated.

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:prot
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:prot
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:prot
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:prot

Compiler output

Implementation: T:prot
Security model: timingleaks
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

dh.c: In file included from dh.c:7:
dh.c: ./low.incl:26:2: error: '__builtin_ia32_pclmulqdq128' needs target feature pclmul
dh.c: MUL4(m1, m0, ma, mb);
dh.c: ^
dh.c: ./gls254.h:155:7: note: expanded from macro 'MUL4'
dh.c: r0 = _mm_clmulepi64_si128(ma, mb, 0x00);\
dh.c: ^
dh.c: /usr/lib/llvm-6.0/lib/clang/6.0.0/include/__wmmintrin_pclmul.h:54:13: note: expanded from macro '_mm_clmulepi64_si128'
dh.c: ((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(__X), \
dh.c: ^
dh.c: In file included from dh.c:7:
dh.c: ./low.incl:26:2: error: '__builtin_ia32_pclmulqdq128' needs target feature pclmul
dh.c: ./gls254.h:156:7: note: expanded from macro 'MUL4'
dh.c: r1 = _mm_clmulepi64_si128(ma, mb, 0x11);\
dh.c: ^
dh.c: /usr/lib/llvm-6.0/lib/clang/6.0.0/include/__wmmintrin_pclmul.h:54:13: note: expanded from macro '_mm_clmulepi64_si128'
dh.c: ((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(__X), \
dh.c: ^
dh.c: In file included from dh.c:7:
dh.c: ./low.incl:26:2: error: '__builtin_ia32_pclmulqdq128' needs target feature pclmul
dh.c: ./gls254.h:157:7: note: expanded from macro 'MUL4'
dh.c: t0 = _mm_clmulepi64_si128(t0, t0, 0x10);\
dh.c: ^
dh.c: /usr/lib/llvm-6.0/lib/clang/6.0.0/include/__wmmintrin_pclmul.h:54:13: note: expanded from macro '_mm_clmulepi64_si128'
dh.c: ((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(__X), \
dh.c: ...

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

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:prot

Compiler output

Implementation: T:prot
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

dh.c: In file included from dh.c:9:0:
dh.c: scmul.incl: In function 'scmul_rand_wreg':
dh.c: scmul.incl:273:17: warning: implicit declaration of function 'types_cond_copy2'; did you mean 'types_copy'? [-Wimplicit-function-declaration]
dh.c: types_cond_copy2(tab0, tab4, tabx, n1, n2);
dh.c: ^~~~~~~~~~~~~~~~
dh.c: types_copy
dh.c: scmul.incl:284:9: warning: implicit declaration of function 'types_cond_copy'; did you mean 'types_copy'? [-Wimplicit-function-declaration]
dh.c: types_cond_copy(QX, tab0, o1);
dh.c: ^~~~~~~~~~~~~~~
dh.c: types_copy

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:prot
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:prot
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:prot
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:prot

Compiler output

Implementation: T:ref
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

dh.c: In file included from dh.c:9:
dh.c: ./scmul.incl:204:14: warning: & has lower precedence than ==; == will be evaluated first [-Wparentheses]
dh.c: if (num[0] & 0x1 == 1) {
dh.c: ^~~~~~~~~~
dh.c: ./scmul.incl:204:14: note: place parentheses around the '==' expression to silence this warning
dh.c: if (num[0] & 0x1 == 1) {
dh.c: ^
dh.c: ( )
dh.c: ./scmul.incl:204:14: note: place parentheses around the & expression to evaluate it first
dh.c: if (num[0] & 0x1 == 1) {
dh.c: ^
dh.c: ( )
dh.c: 1 warning generated.

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref

Compiler output

Implementation: T:ref
Security model: timingleaks
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

dh.c: In file included from dh.c:6:
dh.c: ./curves.incl:53:2: error: '__builtin_ia32_aeskeygenassist128' needs target feature aes
dh.c: STEP(k, t, tmp, 16*1, 0x01);
dh.c: ^
dh.c: ./gls254.h:272:6: note: expanded from macro 'STEP'
dh.c: t = _mm_aeskeygenassist_si128(k, rcon);\
dh.c: ^
dh.c: /usr/lib/llvm-6.0/lib/clang/6.0.0/include/__wmmintrin_aes.h:147:12: note: expanded from macro '_mm_aeskeygenassist_si128'
dh.c: (__m128i)__builtin_ia32_aeskeygenassist128((__v2di)(__m128i)(C), (int)(R))
dh.c: ^
dh.c: In file included from dh.c:6:
dh.c: ./curves.incl:54:2: error: '__builtin_ia32_aeskeygenassist128' needs target feature aes
dh.c: STEP(k, t, tmp, 16*2, 0x02);
dh.c: ^
dh.c: ./gls254.h:272:6: note: expanded from macro 'STEP'
dh.c: t = _mm_aeskeygenassist_si128(k, rcon);\
dh.c: ^
dh.c: /usr/lib/llvm-6.0/lib/clang/6.0.0/include/__wmmintrin_aes.h:147:12: note: expanded from macro '_mm_aeskeygenassist_si128'
dh.c: (__m128i)__builtin_ia32_aeskeygenassist128((__v2di)(__m128i)(C), (int)(R))
dh.c: ^
dh.c: In file included from dh.c:6:
dh.c: ./curves.incl:55:2: error: '__builtin_ia32_aeskeygenassist128' needs target feature aes
dh.c: STEP(k, t, tmp, 16*3, 0x04);
dh.c: ^
dh.c: ./gls254.h:272:6: note: expanded from macro 'STEP'
dh.c: ...

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

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref

Namespace violations

Implementation: T:opt
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

dh.o eca_add_add_dbl T
dh.o eca_add_dbl T
dh.o eca_add_ful T
dh.o eca_add_mix T
dh.o eca_add_mma T
dh.o eca_add_sub_dbl T
dh.o eca_dbl_ful T
dh.o low_inv T
dh.o low_inv_bas T
dh.o low_msq_015 T
dh.o low_msq_030 T
dh.o low_msq_063 T
dh.o low_mul T
dh.o low_mul_00u T
dh.o low_mul_01u T
dh.o low_mul_27u T
dh.o low_mul_bas T
dh.o low_mul_fq1 T
dh.o low_sqr T
dh.o low_sqr_003_bas T
dh.o low_sqr_006_bas T
dh.o low_sqr_bas T
dh.o mtx_msq_015_000 D
dh.o mtx_msq_015_001 D
dh.o mtx_msq_015_002 D
dh.o mtx_msq_015_003 D
dh.o mtx_msq_015_004 D
dh.o mtx_msq_015_005 D
dh.o mtx_msq_015_006 D
dh.o mtx_msq_015_007 D
dh.o mtx_msq_015_008 D
dh.o mtx_msq_015_009 D
dh.o mtx_msq_015_010 D
dh.o mtx_msq_015_011 D
dh.o mtx_msq_015_012 D
dh.o mtx_msq_015_013 D
dh.o mtx_msq_015_014 D
dh.o mtx_msq_015_015 D
dh.o mtx_msq_030_000 D
dh.o mtx_msq_030_001 D
dh.o mtx_msq_030_002 D
dh.o mtx_msq_030_003 D
dh.o mtx_msq_030_004 D
dh.o mtx_msq_030_005 D
dh.o mtx_msq_030_006 D
dh.o mtx_msq_030_007 D
dh.o mtx_msq_030_008 D
dh.o mtx_msq_030_009 D
dh.o mtx_msq_030_010 D
dh.o mtx_msq_030_011 D
dh.o mtx_msq_030_012 D
dh.o mtx_msq_030_013 D
dh.o mtx_msq_030_014 D
dh.o mtx_msq_030_015 D
dh.o mtx_msq_063_000 D
dh.o mtx_msq_063_001 D
dh.o mtx_msq_063_002 D
dh.o mtx_msq_063_003 D
dh.o mtx_msq_063_004 D
dh.o mtx_msq_063_005 D
dh.o mtx_msq_063_006 D
dh.o mtx_msq_063_007 D
dh.o mtx_msq_063_008 D
dh.o mtx_msq_063_009 D
dh.o mtx_msq_063_010 D
dh.o mtx_msq_063_011 D
dh.o mtx_msq_063_012 D
dh.o mtx_msq_063_013 D
dh.o mtx_msq_063_014 D
dh.o mtx_msq_063_015 D
dh.o smu_5nf_dna_ltr T
dh.o smu_pre_5nf T
dh.o smu_reg_rec T

Number of similar (compiler,implementation) pairs: 8, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:opt
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:opt
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:opt
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:opt
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:opt
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:opt
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:opt
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:opt

Namespace violations

Implementation: T:prot
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

dh.o bn_rsh T
dh.o curves_domParam T
dh.o ec_add_mix T
dh.o ec_doub T
dh.o ec_doub_add T
dh.o ec_doub_add2 T
dh.o ec_doub_add_mix T
dh.o ec_doub_addsub T
dh.o low_htr T
dh.o low_htr254 T
dh.o low_inv T
dh.o low_inv254 T
dh.o low_inv254_const T
dh.o low_inv254_sim T
dh.o low_inv_const T
dh.o low_mul T
dh.o low_mul254 T
dh.o low_mul_a T
dh.o low_mul_a_2 T
dh.o low_mul_aplus1 T
dh.o low_mul_nr254 T
dh.o low_sq T
dh.o low_sq254 T
dh.o low_sq_nr254 T
dh.o low_sqi T
dh.o low_sqr06 T
dh.o low_sqr12 T
dh.o low_sqr24 T
dh.o low_sqr48 T
dh.o low_sqrt254 T
dh.o scmul_protected_direct_recoding T
dh.o scmul_rand_wreg T
dh.o scmul_wreg T
types.o types_cond_copy T
types.o types_cond_copy1 T
types.o types_cond_copy2 T
types.o types_cond_save T

Number of similar (compiler,implementation) pairs: 7, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:prot
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:prot
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:prot
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:prot
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:prot
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:prot
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:prot

Namespace violations

Implementation: T:ref
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

dh.o AESenc T
dh.o AESkeyExp T
dh.o curves_domParam T
dh.o ec_add_full_lambda T
dh.o ec_add_mix_lambda_opt T
dh.o ec_doub_lambda T
dh.o ec_halv_opt T
dh.o gen253 T
dh.o low_htr T
dh.o low_htr254 T
dh.o low_inv T
dh.o low_inv254 T
dh.o low_mul T
dh.o low_mul254 T
dh.o low_mul_a T
dh.o low_mul_a_2 T
dh.o low_mul_aplus1 T
dh.o low_mul_nr254 T
dh.o low_sq T
dh.o low_sq254 T
dh.o low_sq_nr254 T
dh.o low_sqi T
dh.o low_sqr06 T
dh.o low_sqr12 T
dh.o low_sqr24 T
dh.o low_sqr48 T
dh.o low_sqrt254 T
dh.o scmul_4wnafend T
dh.o scmul_cvhalv_end T
dh.o scmul_direct_coding_doub T
dh.o scmul_end_halv_direct T
dh.o tbl4NAF D

Number of similar (compiler,implementation) pairs: 7, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref