Implementation notes: amd64, cherry, crypto_hash/jh512

Computer: cherry
Microarchitecture: amd64; Silvermont (406c4)
Architecture: amd64
CPU ID: GenuineIntel-000406c4-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_hash
Primitive: jh512

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
41367	9324 0 0	21664 780 952	`T:bitslice_sse2_opt32`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
42031	7810 0 0	18968 780 952	`T:bitslice_sse2_opt32`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
43382	9228 0 0	21568 780 952	`T:bitslice_sse2_opt64`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
43535	7874 0 0	19032 780 952	`T:bitslice_sse2_opt64`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
44421	6828 0 0	16926 804 888	`T:bitslice_sse2_opt32`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
44426	6447 0 0	16051 756 920	`T:bitslice_sse2_opt32`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
44444	8437 0 0	21048 812 888	`T:bitslice_sse2_opt32`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
44546	8437 0 0	19400 812 888	`T:bitslice_sse2_opt32`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
45439	6889 0 0	16990 804 888	`T:bitslice_sse2_opt64`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
45508	8501 0 0	19464 812 888	`T:bitslice_sse2_opt64`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
45517	8501 0 0	21112 812 888	`T:bitslice_sse2_opt64`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
46536	6856 0 0	17438 804 888	`T:bitslice_sse2_opt32`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
48207	6340 0 0	15939 756 920	`T:bitslice_sse2_opt64`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
49638	6904 0 0	17486 804 888	`T:bitslice_sse2_opt64`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
50469	8456 0 0	20656 812 888	`T:bitslice_sse2_opt32`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
51582	8504 0 0	20704 812 888	`T:bitslice_sse2_opt64`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
59790	8134 0 0	18743 772 952	`T:bitslice_sse2_opt64`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
60495	8135 0 0	18743 772 952	`T:bitslice_sse2_opt32`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
84190	7716 0 0	20088 780 952	`T:bitslice_ref32`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
91196	7573 0 0	19896 780 952	`T:simple`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
93675	7304 0 0	16883 756 920	`T:simple`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
95112	7748 0 0	18335 772 952	`T:simple`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
95295	7845 0 0	18984 780 952	`T:simple`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
98642	8073 0 0	20872 812 888	`T:simple`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
105318	10670 0 0	23920 812 888	`T:bitslice_opt64`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
106052	10638 0 0	23480 812 888	`T:bitslice_opt64`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
106823	8873 0 0	20432 812 888	`T:simple`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
106849	8873 0 0	22080 812 888	`T:simple`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
106884	8736 0 0	18774 804 888	`T:simple`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
107246	8873 0 0	19414 804 888	`T:simple`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
121044	8366 0 0	19968 812 888	`T:bitslice_opt64`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
121076	7769 0 0	18383 772 952	`T:bitslice_opt64`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
122639	6896 0 0	17486 804 888	`T:bitslice_opt64`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
125197	6507 0 0	16606 804 888	`T:bitslice_opt64`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
125840	7784 0 0	18944 780 952	`T:bitslice_opt64`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
127396	6635 0 0	16243 756 920	`T:bitslice_opt64`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
131157	8276 0 0	20664 780 952	`T:bitslice_ref64`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
141429	7569 0 0	20440 812 888	`T:bitslice_ref64`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
142346	7569 0 0	20848 812 888	`T:bitslice_ref64`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
161068	7009 0 0	18640 812 888	`T:bitslice_ref64`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
184744	6232 0 0	17424 780 952	`T:bitslice_ref64`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
185431	4514 0 0	14638 804 888	`T:bitslice_ref64`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
188633	6026 0 0	16679 772 952	`T:bitslice_ref64`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
205169	8165 0 0	21424 812 888	`T:bitslice_opt32`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
207665	7525 0 0	19136 812 888	`T:bitslice_opt32`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
209283	5796 0 0	15902 804 888	`T:bitslice_opt32`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
210742	4787 0 0	14443 756 920	`T:bitslice_ref64`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
213794	8152 0 0	21000 812 888	`T:bitslice_opt32`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
214033	4960 0 0	15566 804 888	`T:bitslice_ref64`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
236826	7173 0 0	20448 812 888	`T:bitslice_ref32`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
239007	6323 0 0	15923 756 920	`T:bitslice_opt32`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
239335	6581 0 0	18208 812 888	`T:bitslice_ref32`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
240877	6656 0 0	17246 804 888	`T:bitslice_opt32`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
250415	7640 0 0	18800 780 952	`T:bitslice_opt32`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
251952	7666 0 0	18287 772 952	`T:bitslice_opt32`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
252982	7208 0 0	20072 812 888	`T:bitslice_ref32`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
256238	4352 0 0	14462 804 888	`T:bitslice_ref32`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
339005	4704 0 0	15310 804 888	`T:bitslice_ref32`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
341160	6008 0 0	17200 780 952	`T:bitslice_ref32`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
341193	5791 0 0	16439 772 952	`T:bitslice_ref32`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
360777	4444 0 0	14075 756 920	`T:bitslice_ref32`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625

Checksum failure

29aea2cb2e947d7f9ec8d842a02a3f8d8eef722bf7dc6cda1a9857c343ce5a4b

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

Implementation	Compiler
`T:bitslice_opt32`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:bitslice_opt64`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Compiler output

nist.c: In file included from nist.c:2:
nist.c: ./jh_ansi_opt32.h:277:20: warning: unused variable 'i' [-Wunused-variable]
nist.c:       unsigned int i;
nist.c:                    ^
nist.c: 1 warning generated.

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

Implementation	Compiler
`T:bitslice_opt32`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:bitslice_opt32`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:bitslice_opt32`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:bitslice_opt32`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:bitslice_opt32`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

nist.c: In file included from nist.c:2:
nist.c: jh_ansi_opt32.h: In function 'Final':
nist.c: jh_ansi_opt32.h:277:20: warning: unused variable 'i' [-Wunused-variable]
nist.c:   277 |       unsigned int i;
nist.c:       |                    ^

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

Implementation	Compiler
`T:bitslice_opt32`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:bitslice_opt32`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:bitslice_opt32`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:bitslice_opt32`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Compiler output

nist.c: In file included from nist.c:2:
nist.c: ./jh_ansi_opt64.h:274:20: warning: unused variable 'i' [-Wunused-variable]
nist.c:       unsigned int i;
nist.c:                    ^
nist.c: 1 warning generated.

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

Implementation	Compiler
`T:bitslice_opt64`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:bitslice_opt64`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:bitslice_opt64`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:bitslice_opt64`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:bitslice_opt64`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

nist.c: In file included from nist.c:2:
nist.c: jh_ansi_opt64.h: In function 'Final':
nist.c: jh_ansi_opt64.h:274:20: warning: unused variable 'i' [-Wunused-variable]
nist.c:   274 |       unsigned int i;
nist.c:       |                    ^

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

Implementation	Compiler
`T:bitslice_opt64`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:bitslice_opt64`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:bitslice_opt64`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:bitslice_opt64`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Compiler output

nist.c: In file included from nist.c:2:
nist.c: ./jh_bitslice_ref32.h:267:20: warning: unused variable 'i' [-Wunused-variable]
nist.c:       unsigned int i;
nist.c:                    ^
nist.c: 1 warning generated.

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

Implementation	Compiler
`T:bitslice_ref32`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:bitslice_ref32`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:bitslice_ref32`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:bitslice_ref32`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:bitslice_ref32`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

nist.c: In file included from nist.c:2:
nist.c: jh_bitslice_ref32.h: In function 'Final':
nist.c: jh_bitslice_ref32.h:267:20: warning: unused variable 'i' [-Wunused-variable]
nist.c:   267 |       unsigned int i;
nist.c:       |                    ^

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

Implementation	Compiler
`T:bitslice_ref32`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:bitslice_ref32`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:bitslice_ref32`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:bitslice_ref32`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Compiler output

nist.c: In file included from nist.c:2:
nist.c: ./jh_bitslice_ref64.h:255:20: warning: unused variable 'i' [-Wunused-variable]
nist.c:       unsigned int i;
nist.c:                    ^
nist.c: 1 warning generated.

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

Implementation	Compiler
`T:bitslice_ref64`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:bitslice_ref64`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:bitslice_ref64`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:bitslice_ref64`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:bitslice_ref64`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

nist.c: In file included from nist.c:2:
nist.c: jh_bitslice_ref64.h: In function 'Final':
nist.c: jh_bitslice_ref64.h:255:20: warning: unused variable 'i' [-Wunused-variable]
nist.c:   255 |       unsigned int i;
nist.c:       |                    ^

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

Implementation	Compiler
`T:bitslice_ref64`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:bitslice_ref64`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:bitslice_ref64`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:bitslice_ref64`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Compiler output

hash.c: hash.c:202:7: warning: unused variable 'i' [-Wunused-variable]
hash.c:   int i;
hash.c:       ^
hash.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

hash.c: hash.c: In function 'crypto_hash_jh512_simple_timingleaks':
hash.c: hash.c:202:7: warning: unused variable 'i' [-Wunused-variable]
hash.c:   202 |   int i;
hash.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)`