Fastest cpu secs Go versus Rust

Always look at the source code.

If the fastest programs are hand-written vector instructions, does the host language matter? You might be more interested in the less optimised programs — more cpu seconds, less gz source code.

fannkuch-redux
source	mem	gz	cpu
Rust #6	1,372	1253	14.15
Rust #4	1,372	1020	30.06
Rust #3	1,336	1020	30.07
Rust #5	1,368	1016	30.11
Go #3	2,260	969	32.88
Go	2,956	900	47.36
Go #2	11,316	896	47.56
Rust #2	1,232	1191	72.42
n-body
source	mem	gz	cpu
Rust #9	1,052	1874	2.89
Rust #7	1,052	1753	3.24
Rust #6	1,028	1790	4.05
Rust #3	1,108	1540	5.49
Rust #2	1,032	1805	5.67
Rust	1,044	1480	5.68
Rust #8	1,104	1767	5.78
Rust #5	1,104	2220	6.10
Rust #4	1,088	1803	6.25
Go #3	1,136	1200	6.38
Go	1,136	1310	6.58
Go #2	1,132	1215	6.94
spectral-norm
source	mem	gz	cpu
Rust #5	2,560	1055	2.84
Rust #6	2,432	1126	2.84
Rust #7	2,436	932	2.84
Rust #4	2,640	817	2.84
Rust #2	1,312	1110	2.87
Rust	1,276	1254	2.87
Rust #3	1,248	1053	2.98
Go	2,452	411	5.33
Go #4	1,952	548	5.67
Go #2	1,420	668	5.68
mandelbrot
source	mem	gz	cpu
Rust #6	33,872	1332	4.18
Rust #8	32,624	763	5.48
Rust #7	32,732	757	5.50
Rust #3	12,824	1007	5.52
Rust	38,672	868	6.87
Rust #5	33,948	719	10.40
Go #4	33,812	905	14.85
Go #3	34,028	894	14.91
Go	32,600	823	19.58
Go #2	33,196	837	27.07
Go #6	32,764	700	27.25
pidigits
source	mem	gz	cpu
Rust #4	2,624	799	0.71
Rust #2	2,924	1306	0.74
Rust	2,928	1420	0.74
Rust #3	2,960	1366	0.83
Go #4	8,732	683	0.87
Go #3	9,320	603	1.18
Go	9,496	708	1.21
Go #2	9,032	733	1.59
Go #8	9,924	720	2.54
Go #7	8,620	696	5.05
regex-redux
source	mem	gz	cpu
Rust #6	153,148	986	1.79
Rust #5	202,556	771	1.83
Rust	152,864	804	1.83
Rust #4	202,612	765	1.87
Rust #3	203,408	719	1.89
Rust #2	152,172	701	1.89
Rust #7	147,360	2458	1.99
Go #5	306,476	810	5.97
Go #4	355,844	829	34.99
Go #3	358,472	829	67.28
Go	297,048	741	68.45
fasta
source	mem	gz	cpu
Rust #7	2,052	2529	1.52
Rust #3	1,104	1233	2.03
Rust #5	2,580	1961	3.10
Rust #2	2,580	1906	3.18
Rust #8	2,596	1946	3.55
Rust #4	123,860	939	3.57
Rust #6	123,848	955	3.58
Go	1,112	1053	3.64
Go #2	10,980	1404	3.84
Go #3	3,168	1358	3.98
Rust	1,100	1237	4.45
k-nucleotide
source	mem	gz	cpu
Rust #7	131,236	1578	9.12
Rust #8	137,632	1543	10.39
Rust #6	159,088	1691	10.68
Rust #5	133,912	1739	12.23
Rust #2	137,896	1347	16.27
Rust #9	134,732	1841	18.77
Rust #4	136,216	1749	19.31
Go #7	159,432	1607	28.49
Go #6	149,712	1590	29.40
Go #4	144,528	1543	30.22
Go #3	149,984	1722	30.25
Rust	152,220	1078	70.04
reverse-complement
source	mem	gz	cpu
Rust	499,068	3040	0.76
Rust #2	995,032	1330	1.36
Rust #3	995,032	1097	1.52
Go #2	826,796	611	1.94
Go #3	826,544	605	2.13
Go #5	1,483,756	996	2.26
Go #6	1,289,572	1338	2.48
Go		Failed
binary-trees
source	mem	gz	cpu
Rust #5	198,536	765	3.60
Rust #2	200,024	721	4.17
Rust #4	181,444	756	4.40
Rust #3	163,904	754	4.87
Rust	132,604	751	7.70
Go #6	411,424	611	29.23
Go #2	632,396	666	48.67
Go #3	328,700	799	50.09
Go #5	394,800	950	50.52
Go	240,292	482	51.02
Go #7	259,088	525	51.41
Go	go version go1.18 linux/amd64
Rust	rustc 1.60.0 (7737e0b5c 2022-04-04) LLVM version: 14.0.0