Implementation notes: amd64, jasper3, crypto_hash/cubehash81

Computer: jasper3
Microarchitecture: amd64; Tremont (906c0)
Architecture: amd64
CPU ID: GenuineIntel-000906c0-20-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_hash
Primitive: cubehash81

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
344917	2125 0 0	12695 772 952	`T:emmintrin4`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
346072	3001 0 0	15336 780 952	`T:emmintrin4`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
346534	2218 0 0	13344 780 952	`T:emmintrin4`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
346752	1801 0 0	11371 756 920	`T:emmintrin4`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
346992	2223 0 0	14560 780 952	`T:emmintrin3`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
347815	1799 0 0	12936 780 952	`T:emmintrin3`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
348038	1342 0 0	10907 756 920	`T:emmintrin3`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
348061	1524 0 0	11590 804 888	`T:emmintrin3`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
348352	4085 0 0	16624 812 888	`T:emmintrin4`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
348451	3154 0 0	17336 812 888	`T:emmintrin3`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
348643	4022 0 0	17944 812 888	`T:emmintrin4`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
349018	3087 0 0	15888 812 888	`T:emmintrin3`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
349083	2033 0 0	12598 804 888	`T:emmintrin4`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
349243	1985 0 0	12054 804 888	`T:emmintrin4`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
349308	4006 0 0	15624 812 888	`T:emmintrin4`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
350849	3154 0 0	15032 812 888	`T:emmintrin3`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
351255	1585 0 0	12150 804 888	`T:emmintrin3`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
358738	1610 0 0	12183 772 952	`T:emmintrin3`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
362888	1358 0 0	11927 772 952	`T:emmintrin2`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
362905	1221 0 0	11286 804 888	`T:emmintrin2`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
363546	2840 0 0	17016 812 888	`T:emmintrin2`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
364257	1281 0 0	11846 804 888	`T:emmintrin2`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
364292	2840 0 0	14712 812 888	`T:emmintrin2`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
364804	1385 0 0	11943 772 952	`T:emmintrin`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
364889	2757 0 0	15552 812 888	`T:emmintrin2`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
368339	2885 0 0	14760 812 888	`T:emmintrin`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
369497	2819 0 0	15616 812 888	`T:emmintrin`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
370424	2885 0 0	17064 812 888	`T:emmintrin`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
371369	1274 0 0	11334 804 888	`T:emmintrin`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
372829	1329 0 0	11878 804 888	`T:emmintrin`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
375769	1834 0 0	14160 780 952	`T:emmintrin2`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
377830	1422 0 0	12544 780 952	`T:emmintrin2`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
383003	1722 0 0	14056 780 952	`T:emmintrin`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
384524	1486 0 0	12592 780 952	`T:emmintrin`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
392224	1059 0 0	10635 756 920	`T:emmintrin2`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
415660	1156 0 0	10707 756 920	`T:emmintrin`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
459589	1368 0 0	11398 804 888	`T:unrolled`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
461544	1691 0 0	13576 812 888	`T:unrolled`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
461779	1691 0 0	15864 812 888	`T:unrolled`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
755376	2545 0 0	16736 812 888	`T:spec`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
799818	2399 0 0	14288 812 888	`T:spec`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
903584	2739 0 0	15072 780 952	`T:simple`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
953440	1883 0 0	14672 812 888	`T:simple`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
977211	1883 0 0	13752 812 888	`T:simple`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
980495	1883 0 0	16056 812 888	`T:simple`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
989100	2153 0 0	11715 756 920	`T:unrolled`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
990001	2545 0 0	13656 780 952	`T:unrolled`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
1029509	2843 0 0	15176 780 952	`T:unrolled`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
1086785	3748 0 0	16080 780 952	`T:spec`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
1178408	2161 0 0	12694 804 888	`T:unrolled`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
1185036	2309 0 0	12863 772 952	`T:unrolled`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
1223246	2467 0 0	15256 812 888	`T:unrolled`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
1494995	3257 0 0	16064 812 888	`T:spec`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
2982107	2125 0 0	11715 756 920	`T:spec`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
2993397	1321 0 0	11366 804 888	`T:simple`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
3129876	2433 0 0	13576 780 952	`T:spec`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
3344069	2288 0 0	12871 772 952	`T:spec`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
3531807	1393 0 0	11926 804 888	`T:simple`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
3953231	1558 0 0	12672 780 952	`T:simple`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
3989205	2042 0 0	12102 804 888	`T:spec`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
4151387	1291 0 0	11839 772 952	`T:simple`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
5068716	1137 0 0	10699 756 920	`T:simple`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
5836674	2833 0 0	13390 804 888	`T:spec`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-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)`