Test results for amd64, nucnuc, crypto_hash/blake2s

[Page version: 20250929 19:02:51]

Measurements for amd64, nucnuc, crypto_hash Test results for amd64, nucnuc, crypto_hash Test results for crypto_hash/blake2s

Computer: nucnuc
Microarchitecture: amd64; Airmont (406c3)
Architecture: amd64
CPU ID: GenuineIntel-000406c3-bfebfbff
SUPERCOP version: 20250922
Operation: crypto_hash
Primitive: blake2s

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
15619	6995 0 0	18568 812 888	`T:xmm`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
15619	6995 0 0	20216 812 888	`T:xmm`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
15621	6925 0 0	16990 804 888	`T:xmm`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
15756	6993 0 0	17566 804 888	`T:xmm`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
17703	1890 0 0	14112 780 952	`T:moon/sse2/64`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250519	20250415
17705	1882 0 0	13496 812 888	`T:moon/sse2/64`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250519	20250415
17705	1882 0 0	15160 812 888	`T:moon/sse2/64`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250519	20250415
17706	1898 0 0	12960 780 952	`T:moon/sse2/64`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250519	20250415
17707	1882 0 0	12014 804 888	`T:moon/sse2/64`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250519	20250415
17708	1882 0 0	14720 812 888	`T:moon/sse2/64`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250519	20250415
17709	1882 0 0	12478 804 888	`T:moon/sse2/64`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250519	20250415
17720	1906 0 0	12439 772 952	`T:moon/sse2/64`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250519	20250415
17775	1879 0 0	11475 756 920	`T:moon/sse2/64`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250519	20250415
17860	7632 0 0	18191 772 952	`T:xmm`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
18540	9786 0 0	22608 812 888	`T:xmm`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
18640	7689 0 0	18720 780 952	`T:xmm`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
18640	7689 0 0	19904 780 952	`T:xmm`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
18781	6883 0 0	16443 756 920	`T:xmm`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
20088	1914 0 0	13528 812 888	`T:moon/ssse3/64`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250519	20250415
20088	1914 0 0	15192 812 888	`T:moon/ssse3/64`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250519	20250415
20089	1922 0 0	14144 780 952	`T:moon/ssse3/64`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250519	20250415
20091	1914 0 0	12510 804 888	`T:moon/ssse3/64`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250519	20250415
20095	1914 0 0	14752 812 888	`T:moon/ssse3/64`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250519	20250415
20097	1914 0 0	12046 804 888	`T:moon/ssse3/64`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250519	20250415
20098	1930 0 0	12992 780 952	`T:moon/ssse3/64`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250519	20250415
20101	1938 0 0	12471 772 952	`T:moon/ssse3/64`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250519	20250415
20160	1911 0 0	11507 756 920	`T:moon/ssse3/64`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250519	20250415
22300	9182 0 0	21392 780 952	`T:regs`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
22315	9187 0 0	20192 780 952	`T:regs`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
22456	8423 0 0	17971 756 920	`T:regs`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
22985	9722 0 0	22528 812 888	`T:regs`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
23044	9979 0 0	21544 812 888	`T:regs`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
23115	9979 0 0	23192 812 888	`T:regs`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
23870	10072 0 0	20126 804 888	`T:regs`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
24788	6752 0 0	19008 780 952	`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
25689	6328 0 0	17384 780 952	`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
26788	9281 0 0	19815 772 952	`T:regs`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
28110	8501 0 0	21784 812 888	`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
28503	7914 0 0	19552 812 888	`T:ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
28887	5365 0 0	14963 756 920	`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
29429	7210 0 0	17342 804 888	`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
29706	9875 0 0	20454 804 888	`T:regs`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
30216	8440 0 0	21312 812 888	`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
34356	6497 0 0	17184 780 952	`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922
78121	15280 0 0	25982 804 888	`T:ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20250923	20250922

Test failure

error 132
Illegal instruction

Number of similar (implementation,compiler) pairs: 27, namely:

Implementation	Compiler
`T:avxicc`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:avxicc`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:avxicc`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:avxicc`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:avxicc`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:avxicc`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:avxicc`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:avxicc`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:avxicc`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:moon/avx/64`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/avx/64`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/avx/64`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/avx/64`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/avx/64`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/avx/64`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:moon/avx/64`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:moon/avx/64`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:moon/avx/64`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:moon/xop/64`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/xop/64`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/xop/64`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/xop/64`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/xop/64`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/xop/64`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:moon/xop/64`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:moon/xop/64`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:moon/xop/64`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Compiler output

try.c: /usr/bin/ld: libcrypto_hash_blake2s.a(blake2s.o): warning: relocation in read-only section `.eh_frame'
try.c: /usr/bin/ld: warning: creating DT_TEXTREL in a PIE

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

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

Compiler output

blake2s-ref.c: blake2s-ref.c:63:19: warning: unused function 'blake2s_clear_lastblock' [-Wunused-function]
blake2s-ref.c: static inline int blake2s_clear_lastblock( blake2s_state *S )
blake2s-ref.c:                   ^
blake2s-ref.c: blake2s-ref.c:79:19: warning: unused function 'blake2s_param_set_digest_length' [-Wunused-function]
blake2s-ref.c: static inline int blake2s_param_set_digest_length( blake2s_param *P, const uint8_t digest_length )
blake2s-ref.c:                   ^
blake2s-ref.c: blake2s-ref.c:85:19: warning: unused function 'blake2s_param_set_fanout' [-Wunused-function]
blake2s-ref.c: static inline int blake2s_param_set_fanout( blake2s_param *P, const uint8_t fanout )
blake2s-ref.c:                   ^
blake2s-ref.c: blake2s-ref.c:91:19: warning: unused function 'blake2s_param_set_max_depth' [-Wunused-function]
blake2s-ref.c: static inline int blake2s_param_set_max_depth( blake2s_param *P, const uint8_t depth )
blake2s-ref.c:                   ^
blake2s-ref.c: blake2s-ref.c:97:19: warning: unused function 'blake2s_param_set_leaf_length' [-Wunused-function]
blake2s-ref.c: static inline int blake2s_param_set_leaf_length( blake2s_param *P, const uint32_t leaf_length )
blake2s-ref.c:                   ^
blake2s-ref.c: blake2s-ref.c:103:19: warning: unused function 'blake2s_param_set_node_offset' [-Wunused-function]
blake2s-ref.c: static inline int blake2s_param_set_node_offset( blake2s_param *P, const uint64_t node_offset )
blake2s-ref.c:                   ^
blake2s-ref.c: blake2s-ref.c:109:19: warning: unused function 'blake2s_param_set_node_depth' [-Wunused-function]
blake2s-ref.c: static inline int blake2s_param_set_node_depth( blake2s_param *P, const uint8_t node_depth )
blake2s-ref.c:                   ^
blake2s-ref.c: blake2s-ref.c:115:19: warning: unused function 'blake2s_param_set_inner_length' [-Wunused-function]
blake2s-ref.c: static inline int blake2s_param_set_inner_length( blake2s_param *P, const uint8_t inner_length )
blake2s-ref.c:                   ^
blake2s-ref.c: blake2s-ref.c:121:19: warning: unused function 'blake2s_param_set_salt' [-Wunused-function]
blake2s-ref.c: ...

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

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

Compiler output

blake2s.c: blake2s.c:796:11: warning: implicit conversion from 'unsigned long' to 'uint32_t' (aka 'unsigned int') changes value from 18446744073180816980 to 3766232660 [-Wconstant-conversion]
blake2s.c:     v14 = ~0x1F83D9ABUL;
blake2s.c:         ~ ^~~~~~~~~~~~~
blake2s.c: 1 warning generated.

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

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

Compiler output

blake2s.c: blake2s.c: In function 'crypto_hash_blake2s_regs_timingleaks':
blake2s.c: blake2s.c:796:11: warning: conversion from 'long unsigned int' to 'uint32_t' {aka 'unsigned int'} changes value from '18446744073180816980' to '3766232660' [-Woverflow]
blake2s.c:   796 |     v14 = ~0x1F83D9ABUL;
blake2s.c:       |           ^

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

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

Namespace violations

blake2s.o _blake2s_blocks_sse2 T
blake2s.o blake2s_blocks_sse2 T

Number of similar (implementation,compiler) pairs: 9, namely:

Implementation	Compiler
`T:moon/sse2/64`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/sse2/64`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/sse2/64`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/sse2/64`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/sse2/64`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/sse2/64`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:moon/sse2/64`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:moon/sse2/64`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:moon/sse2/64`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Namespace violations

blake2s.o _blake2s_blocks_ssse3 T
blake2s.o blake2s_blocks_ssse3 T

Number of similar (implementation,compiler) pairs: 9, namely:

Implementation	Compiler
`T:moon/ssse3/64`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/ssse3/64`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/ssse3/64`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/ssse3/64`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/ssse3/64`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:moon/ssse3/64`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:moon/ssse3/64`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:moon/ssse3/64`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:moon/ssse3/64`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Namespace violations

blake2s-ref.o blake2s T
blake2s-ref.o blake2s_final T
blake2s-ref.o blake2s_init T
blake2s-ref.o blake2s_init_key T
blake2s-ref.o blake2s_init_param T
blake2s-ref.o blake2s_update T

Number of similar (implementation,compiler) pairs: 9, namely:

Implementation	Compiler
`T:ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`