Implementation notes: amd64, samba, crypto_dh/gls254

Computer: samba
Microarchitecture: amd64; Skylake (506e3)
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20231107
Operation: crypto_dh
Primitive: gls254

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
146704	40742 196608 0	60067 197468 1728	`T:opt`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
148340	40502 196608 0	62843 197468 1760	`T:opt`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
148398	40502 196608 0	63155 197468 1792	`T:opt`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
150141	22168 196608 0	44829 197428 1792	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
154533	20992 196608 0	41557 197428 1792	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
155357	21982 196608 0	42141 197460 1792	`T:opt`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
170308	19261 196608 0	38253 197420 1760	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
170974	125976 16 0	148082 884 1760	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
172981	20922 196608 0	40981 197428 1792	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
173528	124328 16 0	143418 884 1728	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
176076	129496 16 0	151802 884 1792	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
188635	146205 0 0	168227 852 1792	`T:prot`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
190630	144269 0 0	165979 852 1760	`T:prot`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
192317	141149 0 0	159843 852 1728	`T:prot`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
192694	24761 98336 0	47900 99164 1792	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
193020	113292 16 0	133452 876 1792	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
194567	14681 98336 0	35644 99164 1792	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
209166	33347 98304 0	56453 99124 1792	`T:prot`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
209564	13874 98336 0	34084 99164 1792	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
218631	120570 0 0	140501 844 1792	`T:prot`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
224179	16516 98304 0	37485 99124 1792	`T:prot`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
231103	15683 98304 0	35853 99124 1792	`T:prot`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107

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-14/lib/clang/14.0.0/include/__wmmintrin_pclmul.h:45:13: 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-14/lib/clang/14.0.0/include/__wmmintrin_pclmul.h:45:13: 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-14/lib/clang/14.0.0/include/__wmmintrin_pclmul.h:45:13: 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-14/lib/clang/14.0.0/include/__wmmintrin_pclmul.h:45:13: 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-14/lib/clang/14.0.0/include/__wmmintrin_pclmul.h:45:13: 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-14/lib/clang/14.0.0/include/__wmmintrin_pclmul.h:45:13: 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:
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: 273 | 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: 284 | 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-14/lib/clang/14.0.0/include/__wmmintrin_aes.h:136:13: 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-14/lib/clang/14.0.0/include/__wmmintrin_aes.h:136:13: 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