Implementation notes: amd64, titan0, crypto_kem/hqc2561

Computer: titan0
Microarchitecture: amd64; Haswell+AES (306c3)
Architecture: amd64
CPU ID: GenuineIntel-000306c3-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_kem
Primitive: hqc2561

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
6056442	47529 0 52	76082 916 1824	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
6648593	47622 32 55	1532069 3684 6880	`T:ref`	`g++_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
7376266	15268 32 55	1497943 3684 6880	`T:ref`	`g++_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
7396876	15036 0 52	41610 916 1824	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
7673401	14115 0 52	39992 908 1824	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
7806569	14444 32 55	1496360 3684 6880	`T:ref`	`g++_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
8086997	11789 0 52	36571 900 1792	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
8307522	12149 32 55	1493092 3676 6848	`T:ref`	`g++_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625

Compiler output

gf2x_avx2.c: gf2x_avx2.c:87:19: error: use of unknown builtin '__builtin_shuffle' [-Wimplicit-function-declaration]
gf2x_avx2.c:     rightVector = __builtin_shuffle(
gf2x_avx2.c:                   ^
gf2x_avx2.c: gf2x_avx2.c:87:17: error: assigning to 'v8uint32' (vector of 8 'uint32_t' values) from incompatible type 'int'
gf2x_avx2.c:     rightVector = __builtin_shuffle(
gf2x_avx2.c:                 ^ ~~~~~~~~~~~~~~~~~~
gf2x_avx2.c: gf2x_avx2.c:89:16: error: assigning to 'v8uint32' (vector of 8 'uint32_t' values) from incompatible type 'int'
gf2x_avx2.c:     leftVector = __builtin_shuffle(
gf2x_avx2.c:                ^ ~~~~~~~~~~~~~~~~~~
gf2x_avx2.c: 3 errors generated.

Number of similar (implementation,compiler) pairs: 5, namely:

Implementation	Compiler
`T:opt`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:opt`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:opt`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:opt`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:opt`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`

Compiler output

rng.c: rng.c: In function 'AES256_ECB':
rng.c: rng.c:123:9: warning: variable 'ciphertext_len' set but not used [-Wunused-but-set-variable]
rng.c:   123 |     int ciphertext_len;
rng.c:       |         ^~~~~~~~~~~~~~

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

Implementation	Compiler
`T:opt`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:opt`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:opt`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:opt`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`

Compiler output

rng.c: rng.c: In function 'int seedexpander(AES_XOF_struct*, unsigned char*, long unsigned int)':
rng.c: rng.c:75:19: warning: comparison of integer expressions of different signedness: 'long unsigned int' and 'int' [-Wsign-compare]
rng.c:    75 |         if ( xlen <= (16-ctx->buffer_pos) ) { // buffer has what we need
rng.c:       |              ~~~~~^~~~~~~~~~~~~~~~~~~~~~~
rng.c: rng.c: In function 'void AES256_ECB(unsigned char*, unsigned char*, unsigned char*)':
rng.c: rng.c:123:9: warning: variable 'ciphertext_len' set but not used [-Wunused-but-set-variable]
rng.c:   123 |     int ciphertext_len;
rng.c:       |         ^~~~~~~~~~~~~~

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

Implementation	Compiler
`T:ref`	`g++ -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`g++ -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`g++ -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`g++ -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`