Implementation notes: amd64, alder, crypto_hash/cubehash81

Computer: alder
Microarchitecture: amd64; Golden Cove (90675-00)
Architecture: amd64
CPU ID: GenuineIntel-00090675-00-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_hash
Primitive: cubehash81

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
209072	1953 0 0	12494 804 888	`T:emmintrin4`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
210145	1974 0 0	12511 772 952	`T:emmintrin4`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
210160	1853 0 0	12126 804 888	`T:emmintrin4`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
210406	1457 0 0	11998 804 888	`T:emmintrin3`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
210885	1461 0 0	11999 772 952	`T:emmintrin3`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
210937	3573 0 0	16104 812 920	`T:emmintrin4`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
210958	3557 0 0	15944 812 920	`T:emmintrin4`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
211581	1364 0 0	11630 804 888	`T:emmintrin3`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
211854	2607 0 0	15632 780 952	`T:emmintrin4`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
212077	2661 0 0	15304 812 920	`T:emmintrin3`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
212094	2661 0 0	15448 812 920	`T:emmintrin3`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
212476	4085 0 0	16600 812 888	`T:emmintrin4`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
212506	1493 0 0	12496 780 952	`T:emmintrin3`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
212844	1926 0 0	12920 780 952	`T:emmintrin4`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
212888	1288 0 0	10835 756 920	`T:emmintrin3`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
213134	1797 0 0	14824 780 952	`T:emmintrin3`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
213175	1779 0 0	11331 756 920	`T:emmintrin4`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
213933	3087 0 0	15864 812 888	`T:emmintrin3`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
234550	1249 0 0	11774 804 888	`T:emmintrin`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
235836	1250 0 0	12224 780 952	`T:emmintrin`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
236628	1520 0 0	14536 780 952	`T:emmintrin`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
236701	1185 0 0	11726 804 888	`T:emmintrin2`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
236846	1584 0 0	14600 780 952	`T:emmintrin2`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
237221	1312 0 0	11839 772 952	`T:emmintrin`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
237254	1186 0 0	12176 780 952	`T:emmintrin2`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
237821	2819 0 0	15592 812 888	`T:emmintrin`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
238652	1279 0 0	11823 772 952	`T:emmintrin2`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
238918	2456 0 0	15096 812 920	`T:emmintrin`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
238928	2456 0 0	15240 812 920	`T:emmintrin`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
240460	2379 0 0	15032 812 920	`T:emmintrin2`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
240522	2757 0 0	15528 812 888	`T:emmintrin2`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
240824	1135 0 0	11406 804 888	`T:emmintrin2`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
240901	2379 0 0	15176 812 920	`T:emmintrin2`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
250998	1189 0 0	11438 804 888	`T:emmintrin`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
255574	1036 0 0	10595 756 920	`T:emmintrin2`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
286108	1128 0 0	10659 756 920	`T:emmintrin`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
331770	1489 0 0	14280 812 920	`T:unrolled`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
333516	1489 0 0	14152 812 920	`T:unrolled`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
334442	1162 0 0	11406 804 888	`T:unrolled`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
444014	2783 0 0	15808 780 952	`T:simple`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
475103	2943 0 0	15968 780 952	`T:unrolled`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
485351	2273 0 0	15072 812 920	`T:spec`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
495852	2135 0 0	14792 812 920	`T:spec`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
517467	2372 0 0	12887 772 952	`T:unrolled`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
519460	1883 0 0	14648 812 888	`T:simple`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
536238	2200 0 0	11731 756 920	`T:unrolled`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
536985	2467 0 0	15232 812 888	`T:unrolled`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
543047	2509 0 0	13488 780 952	`T:unrolled`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
578613	3786 0 0	16808 780 952	`T:spec`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
582373	1569 0 0	14216 812 920	`T:simple`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
599893	1569 0 0	14360 812 920	`T:simple`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
600738	2473 0 0	12982 804 888	`T:unrolled`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
834457	3257 0 0	16040 812 888	`T:spec`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
1664421	2413 0 0	13424 780 952	`T:spec`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
1756638	2265 0 0	12815 772 952	`T:spec`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
1809762	2113 0 0	11675 756 920	`T:spec`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
2204014	2031 0 0	12270 804 888	`T:spec`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
2246135	1247 0 0	11470 804 888	`T:simple`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
2554924	1345 0 0	11854 804 888	`T:simple`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
2951888	1426 0 0	12408 780 952	`T:simple`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
3586105	1297 0 0	11815 772 952	`T:simple`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
3758588	2801 0 0	13334 804 888	`T:spec`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
3801802	1137 0 0	10667 756 920	`T:simple`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625

Compiler output

cubehash.c: cubehash.c:26:11: warning: unused variable 'y4' [-Wunused-variable]
cubehash.c:   __m128i y4;
cubehash.c:           ^
cubehash.c: cubehash.c:27:11: warning: unused variable 'y5' [-Wunused-variable]
cubehash.c:   __m128i y5;
cubehash.c:           ^
cubehash.c: cubehash.c:28:11: warning: unused variable 'y6' [-Wunused-variable]
cubehash.c:   __m128i y6;
cubehash.c:           ^
cubehash.c: cubehash.c:29:11: warning: unused variable 'y7' [-Wunused-variable]
cubehash.c:   __m128i y7;
cubehash.c:           ^
cubehash.c: cubehash.c:96:7: warning: unused variable 'j' [-Wunused-variable]
cubehash.c:   int j;
cubehash.c:       ^
cubehash.c: 5 warnings generated.

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

Implementation	Compiler
`T:emmintrin`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:emmintrin`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:emmintrin`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:emmintrin`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:emmintrin`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

cubehash.c: cubehash.c: In function 'transform':
cubehash.c: cubehash.c:29:11: warning: unused variable 'y7' [-Wunused-variable]
cubehash.c:    29 |   __m128i y7;
cubehash.c:       |           ^~
cubehash.c: cubehash.c:28:11: warning: unused variable 'y6' [-Wunused-variable]
cubehash.c:    28 |   __m128i y6;
cubehash.c:       |           ^~
cubehash.c: cubehash.c:27:11: warning: unused variable 'y5' [-Wunused-variable]
cubehash.c:    27 |   __m128i y5;
cubehash.c:       |           ^~
cubehash.c: cubehash.c:26:11: warning: unused variable 'y4' [-Wunused-variable]
cubehash.c:    26 |   __m128i y4;
cubehash.c:       |           ^~
cubehash.c: cubehash.c: In function 'Init':
cubehash.c: cubehash.c:96:7: warning: unused variable 'j' [-Wunused-variable]
cubehash.c:    96 |   int j;
cubehash.c:       |       ^

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

Implementation	Compiler
`T:emmintrin`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:emmintrin`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:emmintrin`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:emmintrin`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Compiler output

cubehash.c: cubehash.c:25:11: warning: unused variable 'y4' [-Wunused-variable]
cubehash.c:   __m128i y4;
cubehash.c:           ^
cubehash.c: cubehash.c:26:11: warning: unused variable 'y5' [-Wunused-variable]
cubehash.c:   __m128i y5;
cubehash.c:           ^
cubehash.c: cubehash.c:27:11: warning: unused variable 'y6' [-Wunused-variable]
cubehash.c:   __m128i y6;
cubehash.c:           ^
cubehash.c: cubehash.c:28:11: warning: unused variable 'y7' [-Wunused-variable]
cubehash.c:   __m128i y7;
cubehash.c:           ^
cubehash.c: cubehash.c:95:7: warning: unused variable 'j' [-Wunused-variable]
cubehash.c:   int j;
cubehash.c:       ^
cubehash.c: 5 warnings generated.

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

Implementation	Compiler
`T:emmintrin2`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:emmintrin2`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:emmintrin2`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:emmintrin2`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:emmintrin2`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

cubehash.c: cubehash.c: In function 'transform':
cubehash.c: cubehash.c:28:11: warning: unused variable 'y7' [-Wunused-variable]
cubehash.c:    28 |   __m128i y7;
cubehash.c:       |           ^~
cubehash.c: cubehash.c:27:11: warning: unused variable 'y6' [-Wunused-variable]
cubehash.c:    27 |   __m128i y6;
cubehash.c:       |           ^~
cubehash.c: cubehash.c:26:11: warning: unused variable 'y5' [-Wunused-variable]
cubehash.c:    26 |   __m128i y5;
cubehash.c:       |           ^~
cubehash.c: cubehash.c:25:11: warning: unused variable 'y4' [-Wunused-variable]
cubehash.c:    25 |   __m128i y4;
cubehash.c:       |           ^~
cubehash.c: cubehash.c: In function 'Init':
cubehash.c: cubehash.c:95:7: warning: unused variable 'j' [-Wunused-variable]
cubehash.c:    95 |   int j;
cubehash.c:       |       ^

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

Implementation	Compiler
`T:emmintrin2`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:emmintrin2`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:emmintrin2`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:emmintrin2`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Compiler output

cubehash.c: cubehash.c:37:7: warning: unused variable 'j' [-Wunused-variable]
cubehash.c:   int j;
cubehash.c:       ^
cubehash.c: 1 warning generated.

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

Implementation	Compiler
`T:simple`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:simple`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:simple`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:simple`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:simple`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

cubehash.c: cubehash.c: In function 'Init':
cubehash.c: cubehash.c:37:7: warning: unused variable 'j' [-Wunused-variable]
cubehash.c:    37 |   int j;
cubehash.c:       |       ^

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

Implementation	Compiler
`T:simple`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:simple`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:simple`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:simple`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Compiler output

cubehash.c: cubehash.c:154:7: warning: unused variable 'j' [-Wunused-variable]
cubehash.c:   int j;
cubehash.c:       ^
cubehash.c: 1 warning generated.

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

Implementation	Compiler
`T:unrolled`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:unrolled`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:unrolled`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:unrolled`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:unrolled`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

cubehash.c: cubehash.c: In function 'Init':
cubehash.c: cubehash.c:154:7: warning: unused variable 'j' [-Wunused-variable]
cubehash.c:   154 |   int j;
cubehash.c:       |       ^

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

Implementation	Compiler
`T:unrolled`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:unrolled`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:unrolled`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:unrolled`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`