Implementation notes: amd64, speed2supercop, crypto_kem/hqc192round4

Computer: speed2supercop
Microarchitecture: amd64; Haswell+AES (306c3)
Architecture: amd64
CPU ID: GenuineIntel-000306c3-1fc9cbf5
SUPERCOP version: 20240625
Operation: crypto_kem
Primitive: hqc192round4

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1438820	56322 8 147008	78759 816 148576	`T:avx`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240711	20240625
1451424	49671 8 147008	71983 816 148576	`T:avx`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240711	20240625
1589692	75482 8 147072	96565 768 148672	`T:avx`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240711	20240625
1657892	34414 8 147008	53311 800 148640	`T:avx`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240711	20240625
1781348	38074 8 147008	56655 816 148576	`T:avx`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240711	20240625
1894856	32777 8 147072	51365 768 148672	`T:avx`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240711	20240625

Test failure

error 111
crypto_kem_dec does not match k

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

Implementation	Compiler
`T:avx`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:avx`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`

Compiler output

gf.c: gf.c:91:19: error: '__builtin_ia32_pclmulqdq128' needs target feature pclmul
gf.c:     __m128i vab = _mm_clmulepi64_si128(va, vb, 0);
gf.c:                   ^
gf.c: /usr/lib/llvm-16/lib/clang/16/include/__wmmintrin_pclmul.h:45:13: note: expanded from macro '_mm_clmulepi64_si128'
gf.c:   ((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(X), \
gf.c:             ^
gf.c: 1 error generated.

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

Implementation	Compiler
`T:avx`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`

Compiler output

reed_muller.c: reed_muller.c: In function 'find_peaks':
reed_muller.c: reed_muller.c:247:37: warning: 'tmp' is used uninitialized [-Wuninitialized]
reed_muller.c:   247 |         result |= message_mask & ptr[i];
reed_muller.c:       |                                  ~~~^~~
reed_muller.c: reed_muller.c:208:13: note: 'tmp' was declared here
reed_muller.c:   208 |     __m256i tmp = (__m256i) {0ULL, 0ULL, 0ULL, 0ULL};
reed_muller.c:       |             ^~~

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

Implementation	Compiler
`T:avx`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:avx`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`

Compiler output

reed_muller.c: reed_muller.c: In function 'find_peaks':
reed_muller.c: reed_muller.c:247:37: warning: 'tmp' is used uninitialized [-Wuninitialized]
reed_muller.c:   247 |         result |= message_mask & ptr[i];
reed_muller.c:       |                                  ~~~^~~
reed_muller.c: reed_muller.c:208:13: note: 'tmp' declared here
reed_muller.c:   208 |     __m256i tmp = (__m256i) {0ULL, 0ULL, 0ULL, 0ULL};
reed_muller.c:       |             ^~~

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

Implementation	Compiler
`T:avx`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`