Implementation notes: amd64, speed2supercop, crypto_kem/ledakem3264

Computer: speed2supercop
Microarchitecture: amd64; Haswell+AES (306c3)
Architecture: amd64
CPU ID: GenuineIntel-000306c3-1fc9cbf5
SUPERCOP version: 20240808
Operation: crypto_kem
Primitive: ledakem3264

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
6610932	81051 1306632 52	112021 1307432 1600	`T:portableopt`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240711	20240625
6796108	88790 1306632 52	119965 1307432 1600	`T:portableopt`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240711	20240625
7557200	66872 1306632 52	96767 1307400 1664	`T:portableopt`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240711	20240625
8893228	51011 1306632 52	78405 1307432 1600	`T:portableopt`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240711	20240625
10009888	47565 1306632 52	75223 1307424 1696	`T:portableopt`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240711	20240625
10163932	44617 1306632 52	72623 1307400 1664	`T:portableopt`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240711	20240625
11080776	41526 1306632 52	68989 1307392 1664	`T:portableopt`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240711	20240625
17437168	54619 72 52	84232 880 1600	`T:portableopt`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240711	20240625
24121860	28622 1306632 52	55125 1307384 1632	`T:portableopt`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240711	20240625

Compiler output

inverse_exp.c: inverse_exp.c:50:10: warning: unused function 'expand' [-Wunused-function]
inverse_exp.c: uint64_t expand(uint32_t x)  {
inverse_exp.c:          ^
inverse_exp.c: 1 warning generated.

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

Implementation	Compiler
`T:portableopt`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:portableopt`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:portableopt`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:portableopt`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`

Compiler output

niederreiter_decrypt.c: niederreiter_decrypt.c: In function 'decrypt_niederreiter_indcca2':
niederreiter_decrypt.c: niederreiter_decrypt.c:179:18: warning: array subscript '<unnamed-unsigned:256>[0]' is partly outside array bounds of 'unsigned char[2]' [-Warray-bounds=]
niederreiter_decrypt.c:   179 |                  tail[TRNG_BYTE_LENGTH] = {0};
niederreiter_decrypt.c:       |                  ^~~~

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

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