Implementation notes: amd64, samba, crypto_hash/syconhash256v1

Computer: samba
Microarchitecture: amd64; Skylake (506e3)
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_hash
Primitive: syconhash256v1

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
366518	4205 0 0	18652 860 928	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
368199	4573 0 0	19316 860 960	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
795674	8056 0 0	21148 860 896	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
1949421	3253 0 0	14732 844 960	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
2295436	3943 0 0	14741 868 896	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
2744707	3615 0 0	15468 812 960	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
3457456	2858 0 0	13344 796 928	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
3968333	3729 0 0	15236 812 960	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625

Compiler output

sycon.c: sycon.c: In function 'left_cyclic_shift16':
sycon.c: sycon.c:76:27: warning: 'tmp' may be used uninitialized [-Wmaybe-uninitialized]
sycon.c:    76 |                         t = tmp[2*i];
sycon.c:       |                         ~~^~~~~~~~~~
sycon.c: sycon.c:55:35: note: 'tmp' declared here
sycon.c:    55 |         unsigned char i, u, v, t, tmp[8];
sycon.c:       |                                   ^~~
sycon.c: sycon.c:77:39: warning: 'tmp' may be used uninitialized [-Wmaybe-uninitialized]
sycon.c:    77 |                         tmp[2*i] = tmp[2*i+1];
sycon.c:       |                                    ~~~^~~~~~~
sycon.c: sycon.c:55:35: note: 'tmp' declared here
sycon.c:    55 |         unsigned char i, u, v, t, tmp[8];
sycon.c:       |                                   ^~~
sycon.c: sycon.c:76:27: warning: 'tmp' may be used uninitialized [-Wmaybe-uninitialized]
sycon.c:    76 |                         t = tmp[2*i];
sycon.c:       |                         ~~^~~~~~~~~~
sycon.c: sycon.c:55:35: note: 'tmp' declared here
sycon.c:    55 |         unsigned char i, u, v, t, tmp[8];
sycon.c:       |                                   ^~~
sycon.c: sycon.c:77:39: warning: 'tmp' may be used uninitialized [-Wmaybe-uninitialized]
sycon.c:    77 |                         tmp[2*i] = tmp[2*i+1];
sycon.c:       |                                    ~~~^~~~~~~
sycon.c: sycon.c:55:35: note: 'tmp' declared here
sycon.c:    55 |         unsigned char i, u, v, t, tmp[8];
sycon.c:       |                                   ^~~
sycon.c: ...

Number of similar (implementation,compiler) pairs: 1, namely:

Implementation	Compiler
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`