Implementation notes: amd64, devoptimis, crypto_scalarmult/kummer

Computer: devoptimis
Architecture: amd64
CPU ID: GenuineIntel-000206c2-bfebfbff
SUPERCOP version: 20190910
Operation: crypto_scalarmult
Primitive: kummer

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1438120	4477 0 0	19805 784 1600	`ref5u`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
1451966	4186 0 0	19501 784 1600	`ref5`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
1889544	4444 0 0	21325 792 1632	`ref5`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
2052987	12215 0 0	31245 792 1632	`ref5u`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
2101221	12170 0 0	31165 792 1632	`ref5`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
2142567	4748 0 0	21645 792 1632	`ref5u`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
2316179	4591 0 0	21101 792 1632	`ref5`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
2572750	4883 0 0	21421 792 1632	`ref5u`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910

Compiler output

Implementation: avx
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

try.c: /usr/bin/ld: crypto_scalarmult_kummer.a(znegate.o): relocation R_X86_64_32S against symbol `minusz' can not be used when making a PIE object; recompile with -fPIC
try.c: /usr/bin/ld: crypto_scalarmult_kummer.a(gfe4x3limb_freeze.o): relocation R_X86_64_32S against symbol `_2pm43' can not be used when making a PIE object; recompile with -fPIC
try.c: /usr/bin/ld: crypto_scalarmult_kummer.a(gfe_mul.o): relocation R_X86_64_32S against symbol `mask63' can not be used when making a PIE object; recompile with -fPIC
try.c: /usr/bin/ld: crypto_scalarmult_kummer.a(gfe_nsquare.o): relocation R_X86_64_32S against symbol `mask63' can not be used when making a PIE object; recompile with -fPIC
try.c: /usr/bin/ld: crypto_scalarmult_kummer.a(ladder.o): relocation R_X86_64_32S against symbol `_2p22' can not be used when making a PIE object; recompile with -fPIC
try.c: /usr/bin/ld: final link failed: Nonrepresentable section on output
try.c: collect2: error: ld returned 1 exit status

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

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

Compiler output

Implementation: avx2
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

try.c: /usr/bin/ld: crypto_scalarmult_kummer.a(znegate.o): relocation R_X86_64_32S against symbol `minusz' can not be used when making a PIE object; recompile with -fPIC
try.c: /usr/bin/ld: crypto_scalarmult_kummer.a(gfe4x3limb_freeze.o): relocation R_X86_64_32S against symbol `_2pm43' can not be used when making a PIE object; recompile with -fPIC
try.c: /usr/bin/ld: crypto_scalarmult_kummer.a(gfe_mul.o): relocation R_X86_64_32S against symbol `mask63' can not be used when making a PIE object; recompile with -fPIC
try.c: /usr/bin/ld: crypto_scalarmult_kummer.a(gfe_nsquare.o): relocation R_X86_64_32S against symbol `mask63' can not be used when making a PIE object; recompile with -fPIC
try.c: /usr/bin/ld: crypto_scalarmult_kummer.a(ladder.o): relocation R_X86_64_32S against symbol `_two' can not be used when making a PIE object; recompile with -fPIC
try.c: /usr/bin/ld: final link failed: Nonrepresentable section on output
try.c: collect2: error: ld returned 1 exit status

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2

Compiler output

Implementation: avx2int
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

smult.c: smult.c: In function 'crypto_scalarmult_kummer_avx2int_gfe4x_mulconst':
smult.c: smult.c:36:6: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
smult.c: t0 = _mm256_mul_epi32(a->v[0],*b);
smult.c: ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
smult.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:43:0,
smult.c: from gfe4x.h:5,
smult.c: from smult.c:3:
smult.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avx2intrin.h:126:1: error: inlining failed in call to always_inline '_mm256_add_epi64': target specific option mismatch
smult.c: _mm256_add_epi64 (__m256i __A, __m256i __B)
smult.c: ^~~~~~~~~~~~~~~~
smult.c: smult.c:45:8: note: called from here
smult.c: t2 = _mm256_add_epi64(t2,_mm256_srli_epi64(t1,25)); t1 &= mask25;
smult.c: ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
smult.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:43:0,
smult.c: from gfe4x.h:5,
smult.c: from smult.c:3:
smult.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avx2intrin.h:787:1: error: inlining failed in call to always_inline '_mm256_srli_epi64': target specific option mismatch
smult.c: _mm256_srli_epi64 (__m256i __A, int __B)
smult.c: ^~~~~~~~~~~~~~~~~
smult.c: smult.c:45:10: note: called from here
smult.c: t2 = _mm256_add_epi64(t2,_mm256_srli_epi64(t1,25)); t1 &= mask25;
smult.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
smult.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:43:0,
smult.c: from gfe4x.h:5,
smult.c: from smult.c:3:
smult.c: ...

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2int
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2int
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2int
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2int