Go versus Rust fastest performance

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 seconds, less gz source code.

fannkuch-redux
source	secs	mem	gz	cpu secs
Rust #6	3.51	11,036	1253	13.93
Rust #4	7.21	10,932	1020	28.34
Rust #5	7.77	10,932	1016	30.49
Go #3	8.25	10,936	969	32.92
Go	11.83	11,128	900	47.26
Go #2	11.89	12,708	896	47.47
Rust #2	17.99	11,036	1191	70.95
n-body
source	secs	mem	gz	cpu secs
Rust #9	2.81	11,068	1874	2.81
Rust #7	3.27	11,068	1753	3.27
Rust #6	3.92	11,068	1790	3.92
Rust #3	5.63	11,068	1540	5.63
Rust	5.63	11,068	1480	5.63
Rust #2	5.98	11,068	1805	5.98
Rust #8	6.01	11,068	1767	6.01
Rust #5	6.12	11,068	2220	6.11
Rust #4	6.20	11,068	1803	6.20
Go #3	6.36	11,244	1200	6.37
Go	6.55	11,244	1310	6.56
Go #2	6.94	11,244	1215	6.95
spectral-norm
source	secs	mem	gz	cpu secs
Rust #6	0.71	11,124	1126	2.84
Rust #7	0.72	11,128	932	2.84
Rust #5	0.72	11,124	1055	2.84
Rust #4	0.72	11,124	817	2.84
Rust #2	0.72	11,124	1110	2.85
Rust	0.72	11,124	1254	2.85
Rust #3	0.78	11,124	1053	3.07
Go	5.31	11,244	411	5.32
Go #4	1.42	11,244	548	5.67
Go #2	1.44	11,244	668	5.67
mandelbrot
source	secs	mem	gz	cpu secs
Rust #4	1.01	32,380	1295	3.99
Rust #6	1.06	34,120	1332	4.18
Rust #5	1.12	33,868	719	4.41
Rust #3	1.15	13,452	1007	4.58
Rust #7	1.42	32,124	757	5.64
Rust #8	1.42	32,176	763	5.64
Rust	2.05	38,724	868	8.09
Go #3	3.73	36,140	894	14.86
Go #4	3.73	36,116	905	14.87
Go	4.92	33,624	823	19.65
Go #2	6.76	33,928	837	26.97
Go #6	6.83	33,632	700	27.22
pidigits
source	secs	mem	gz	cpu secs
Rust #4	0.71	11,068	799	0.71
Rust #2	0.88	11,068	1306	0.88
Rust #3	0.88	11,068	1366	0.88
Rust	0.89	11,068	1420	0.88
Go #4	1.01	11,244	683	1.02
Go	1.37	11,244	708	1.38
Go #3	1.63	11,244	603	1.66
Go #2	1.97	11,244	733	2.00
Go #8	2.46	11,244	720	2.46
Go #7	4.80	23,844	696	5.31
regex-redux
source	secs	mem	gz	cpu secs
Rust #6	1.34	152,724	986	1.80
Rust #5	1.40	204,604	771	1.82
Rust #4	1.43	204,656	765	1.85
Rust	1.46	153,312	804	1.87
Rust #3	1.42	205,228	719	1.88
Rust #2	1.50	153,320	701	1.90
Rust #7	0.78	149,524	2458	1.99
Go #5	4.14	302,280	810	6.25
Go #4	14.80	360,260	829	34.62
Go #3	27.89	368,528	829	67.15
Go	28.35	317,752	741	67.40
fasta
source	secs	mem	gz	cpu secs
Rust #7	0.76	11,068	2529	1.52
Rust #3	2.00	11,036	1233	2.00
Rust #5	0.90	11,060	1961	3.08
Rust #2	0.90	11,068	1906	3.16
Rust #4	3.46	123,660	939	3.46
Rust #6	3.50	123,660	955	3.50
Rust #8	0.92	11,068	1946	3.50
Go	3.78	11,128	1053	3.78
Go #3	1.49	11,136	1358	4.10
Go #2	1.26	11,136	1404	4.26
Rust	4.52	11,036	1237	4.52
k-nucleotide
source	secs	mem	gz	cpu secs
Rust #7	2.88	133,236	1578	9.14
Rust #8	3.56	137,632	1543	10.34
Rust #6	2.88	158,788	1691	10.48
Rust #5	4.08	137,648	1739	11.99
Rust #2	6.30	137,548	1347	16.69
Rust #9	6.54	136,008	1841	17.81
Rust #4	6.95	136,744	1749	18.88
Go #7	7.48	166,412	1607	28.68
Go #6	7.96	148,080	1590	29.25
Go #3	8.28	148,412	1722	29.93
Go #4	9.50	142,624	1543	31.55
Rust	21.93	155,840	1078	65.94
reverse-complement
source	secs	mem	gz	cpu secs
Rust	0.47	498,844	3040	0.77
Rust #2	0.80	995,004	1330	1.45
Rust #3	0.81	995,004	1097	1.50
Go #2	1.76	814,544	611	1.80
Go #3	1.96	814,352	605	2.00
Go #6	1.33	1,278,596	1338	2.46
Go #5		Bad Output
Go		Failed
binary-trees
source	secs	mem	gz	cpu secs
Rust #5	1.08	198,984	765	3.82
Rust #2	1.19	200,532	721	4.27
Rust #4	1.28	198,772	756	4.62
Rust #3	1.36	198,464	754	4.93
Rust	2.10	132,828	751	7.39
Go #6	27.82	410,808	611	28.59
Go #5	14.70	406,544	950	57.87
Go #2	14.69	642,688	666	58.49
Go #3	15.07	342,008	799	58.61
Go #7	33.37	247,824	525	60.85
Go	34.62	236,728	482	61.41
Go	go version go1.20 linux/amd64 GOAMD64=v2
Rust	1.67.0 (fc594f156 2023-01-24) LLVM version: 15.0.6