Implementation notes: amd64, devoptimis, crypto_kem/titaniumccastd

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

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
8846492	86349 0 0	268980 800 1640	`opt`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
9138397	50516 0 0	231268 800 1640	`opt`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
12738034	50515 0 0	231156 800 1640	`opt`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
760218222	33079 0 0	213708 800 1640	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
760222902	48537 0 0	231180 800 1640	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
846668569	33264 0 0	213772 800 1640	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910

Compiler output

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

encrypt.c: encrypt.c: In function 'crypto_encrypt_keypair':
encrypt.c: encrypt.c:67:6: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
encrypt.c: u = _mm256_loadu_si256((__m256i *)(a[i] + j));
encrypt.c: ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
encrypt.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:41:0,
encrypt.c: from /usr/lib/gcc/x86_64-linux-gnu/7/include/x86intrin.h:48,
encrypt.c: from encrypt.c:18:
encrypt.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avxintrin.h:925:1: error: inlining failed in call to always_inline '_mm256_storeu_si256': target specific option mismatch
encrypt.c: _mm256_storeu_si256 (__m256i_u *__P, __m256i __A)
encrypt.c: ^~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c:70:4: note: called from here
encrypt.c: _mm256_storeu_si256((__m256i *)(a[i] + j), t);
encrypt.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
encrypt.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:43:0,
encrypt.c: from /usr/lib/gcc/x86_64-linux-gnu/7/include/x86intrin.h:48,
encrypt.c: from encrypt.c:18:
encrypt.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avx2intrin.h:567:1: error: inlining failed in call to always_inline '_mm256_mul_epu32': target specific option mismatch
encrypt.c: _mm256_mul_epu32 (__m256i __A, __m256i __B)
encrypt.c: ^~~~~~~~~~~~~~~~
encrypt.c: encrypt.c:69:6: note: called from here
encrypt.c: t = _mm256_mul_epu32(u, v);
encrypt.c: ~~^~~~~~~~~~~~~~~~~~~~~~~~
encrypt.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:41:0,
encrypt.c: from /usr/lib/gcc/x86_64-linux-gnu/7/include/x86intrin.h:48,
encrypt.c: from encrypt.c:18:
encrypt.c: ...

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

Number of similar (compiler,implementation) pairs: 6, namely:

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

Compiler output

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

pack.c: pack.c: In function 'poly_decode':
pack.c: pack.c:63:6: warning: assignment discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
pack.c: bb = b + (i / 8) * Q_BITS;
pack.c: ^
try.c: crypto_kem_titaniumccastd.a(encrypt.o): In function `crypto_encrypt_keypair':
try.c: encrypt.c:(.text+0x...): undefined reference to `barrett_4q2'
try.c: encrypt.c:(.text+0x...): undefined reference to `barrett_4q'
try.c: crypto_kem_titaniumccastd.a(encrypt.o): In function `crypto_encrypt':
try.c: encrypt.c:(.text+0x...): undefined reference to `barrett_4q2'
try.c: encrypt.c:(.text+0x...): undefined reference to `barrett_4q2'
try.c: crypto_kem_titaniumccastd.a(encrypt.o): In function `crypto_encrypt_open':
try.c: encrypt.c:(.text+0x...): undefined reference to `barrett_4q2'
try.c: crypto_kem_titaniumccastd.a(fastrandombytes.o): In function `fastrandombytes':
try.c: fastrandombytes.c:(.text+0x...): undefined reference to `load_32'
try.c: fastrandombytes.c:(.text+0x...): undefined reference to `store_32'
try.c: crypto_kem_titaniumccastd.a(ntt.o): In function `ntt_2':
try.c: ntt.c:(.text+0x...): undefined reference to `barrett_4q'
try.c: ntt.c:(.text+0x...): undefined reference to `barrett_4q'
try.c: ntt.c:(.text+0x...): undefined reference to `barrett_4q'
try.c: ntt.c:(.text+0x...): undefined reference to `barrett_4q2'
try.c: ntt.c:(.text+0x...): undefined reference to `barrett_4q'
try.c: ntt.c:(.text+0x...): undefined reference to `barrett_4q'
try.c: ntt.c:(.text+0x...): undefined reference to `barrett_4q'
try.c: ntt.c:(.text+0x...): undefined reference to `barrett_4q2'
try.c: ntt.c:(.text+0x...): undefined reference to `barrett_4q'
try.c: ntt.c:(.text+0x...): undefined reference to `barrett_4q'
try.c: crypto_kem_titaniumccastd.a(ntt.o): In function `ntt_core':
try.c: ntt.c:(.text+0x...): undefined reference to `barrett_2q2'
try.c: crypto_kem_titaniumccastd.a(ntt.o): In function `intt_core':
try.c: ...

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

Compiler	Implementations
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	opt

Compiler output

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

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

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

Namespace violations

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

encrypt.o crypto_encrypt T
encrypt.o crypto_encrypt_keypair T
encrypt.o crypto_encrypt_open T
fastrandombytes.o fastrandombytes T
fastrandombytes.o fastrandombytes_setseed T
fastrandombytes.o iv C
fastrandombytes.o key C
ntt.o intt_1536_1536_inv T
ntt.o intt_1792_256 T
ntt.o intt_1792_768 T
ntt.o intt_768_256 T
ntt.o ntt_1024_1536 T
ntt.o ntt_1024_1792 T
ntt.o ntt_1536_1792 T
ntt.o ntt_512_1536 T
ntt.o ntt_768_768_inv T
pack.o poly_decode T
pack.o poly_decode_c2 T
pack.o poly_encode T
pack.o poly_encode_c2 T
sampler.o sampler_binomial T
sampler.o sampler_zb T
sampler.o sampler_zq T

Number of similar (compiler,implementation) pairs: 3, namely:

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

Namespace violations

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

encrypt.o crypto_encrypt T
encrypt.o crypto_encrypt_keypair T
encrypt.o crypto_encrypt_open T
fastrandombytes.o fastrandombytes T
fastrandombytes.o fastrandombytes_setseed T
fastrandombytes.o iv C
fastrandombytes.o key C
ntt.o intt_1536_1536_inv T
ntt.o intt_1792_1792 T
ntt.o intt_768_768 T
ntt.o ntt_1536_1536 T
ntt.o ntt_768_768_inv T
pack.o poly_decode T
pack.o poly_decode_c2 T
pack.o poly_encode T
pack.o poly_encode_c2 T
product.o mp T
product.o product T
sampler.o sampler_binomial T
sampler.o sampler_zb T
sampler.o sampler_zq T

Number of similar (compiler,implementation) pairs: 3, namely:

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