Go versus Rust fastest performance

How the programs are written matters! 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	3.92	19,072	1260	15.36
Rust #4	6.96	19,072	1026	27.18
Rust #5	7.72	19,072	1023	30.41
Go #3	8.36	19,656	975	33.34
Rust #2	9.42	19,072	1198	36.90
Go	11.77	19,656	906	46.92
Go #2	11.83	19,656	903	47.16
n-body
source	secs	mem	gz	cpu secs
Rust #9	2.17	19,072	1881	2.17
Rust #7	3.24	19,072	1759	3.24
Rust #2	3.94	19,072	1809	3.94
Rust #6	4.31	19,072	1796	4.30
Rust #8	4.49	19,072	1774	4.49
Rust #5	5.01	19,072	2224	5.01
Rust #4	5.17	19,072	1810	5.17
Rust	5.51	19,072	1483	5.51
Rust #3	5.55	19,072	1546	5.55
Go #3	6.38	19,688	1207	6.39
Go	7.00	19,688	1316	7.02
Go #2	7.03	19,688	1222	7.04
spectral-norm
source	secs	mem	gz	cpu secs
Rust #6	0.72	19,076	1132	2.85
Rust #4	0.72	19,076	823	2.85
Rust #5	0.72	19,076	1062	2.85
Rust #7	0.72	19,076	938	2.85
Rust #2	0.78	19,076	1117	3.03
Rust	0.79	19,076	1262	3.04
Rust #3	0.92	19,076	1060	3.57
Go	5.33	20,116	417	5.34
Go #4	1.43	20,340	555	5.68
Go #2	1.50	20,148	674	5.69
mandelbrot
source	secs	mem	gz	cpu secs
Rust #4	0.94	33,280	1301	3.73
Rust #6	1.08	34,048	1338	4.22
Rust #7	1.06	33,280	763	4.22
Rust #8	1.06	33,280	770	4.22
Rust #5	1.13	33,792	725	4.45
Rust #3	1.14	19,072	1013	4.54
Rust	2.03	39,168	874	7.89
Go #3	3.77	35,328	900	14.99
Go #4	3.77	35,328	912	15.00
Go	5.01	33,024	829	19.93
Go #2	6.86	33,152	843	27.28
Go #6	6.91	32,896	707	27.48
pidigits
source	secs	mem	gz	cpu secs
Rust #4	0.71	19,076	804	0.71
Rust #3	0.74	19,076	1373	0.74
Rust	0.74	19,076	1426	0.74
Rust #2	0.75	19,076	1312	0.75
Go #4	0.96	19,700	689	0.98
Go	1.34	19,700	715	1.36
Go #3	1.65	19,700	610	1.69
Go #2	2.18	19,700	740	2.23
Go #8	2.51	19,700	727	2.51
Go #7	5.19	19,700	702	5.98
regex-redux
source	secs	mem	gz	cpu secs
Rust #6	1.19	153,456	994	1.45
Rust #5	1.31	202,588	777	1.56
Rust	1.34	153,776	811	1.58
Rust #4	1.34	199,540	771	1.60
Rust #2	1.35	153,780	707	1.60
Rust #3	1.36	202,904	726	1.62
Rust #7	0.78	151,040	2464	1.99
Go #5	3.22	320,724	817	5.39
Go #4	14.78	397,240	832	36.01
Go #3	25.54	370,524	836	61.42
Go	25.87	311,444	749	64.23
fasta
source	secs	mem	gz	cpu secs
Rust #7	0.77	19,072	2533	1.54
Rust #3	1.99	19,072	1235	1.99
Rust #8	0.92	19,072	1952	3.11
Rust #5	0.93	19,072	1963	3.37
Rust #2	0.94	19,072	1910	3.37
Rust #6	3.47	123,656	959	3.46
Rust #4	3.58	123,656	944	3.58
Go	3.74	19,664	1055	3.74
Go #2	1.27	19,664	1405	4.07
Go #3	1.50	19,664	1362	4.08
Rust	4.21	19,072	1240	4.21
k-nucleotide
source	secs	mem	gz	cpu secs
Rust #7	2.84	133,808	1585	8.92
Rust #8	3.55	137,360	1549	10.66
Rust #6	3.00	159,596	1697	10.88
Rust #5	3.96	137,896	1745	11.92
Rust #2	6.37	137,736	1350	16.21
Rust #9	6.36	135,720	1850	17.37
Rust #4	6.64	137,260	1755	17.99
Go #7	7.53	162,816	1613	28.78
Go #6	8.26	145,152	1596	30.01
Go #3	8.29	145,152	1729	30.02
Go #4	9.22	139,776	1552	30.55
Rust	22.12	157,252	1086	66.01
reverse-complement
source	secs	mem	gz	cpu secs
Rust	0.53	498,816	2762	0.83
Rust #2	0.96	995,072	1332	1.59
Rust #3	0.98	995,200	1105	1.70
Go #2	2.24	800,512	614	2.34
Go #3	2.50	800,128	609	2.60
Go #6	1.93	1,246,404	1340	3.43
Go #5		Bad Output
Go		Failed
binary-trees
source	secs	mem	gz	cpu secs
Rust #5	1.05	198,528	771	3.67
Rust #2	1.20	199,556	729	4.26
Rust #4	1.35	198,900	765	4.88
Rust #3	1.43	193,728	762	5.15
Rust	2.07	132,736	760	7.36
Go #6	27.68	404,224	618	29.07
Go #2	13.86	594,740	672	55.04
Go #5	14.29	317,028	957	56.60
Go #3	14.72	343,248	806	57.03
Go	31.84	237,200	488	59.20
Go #7	31.79	250,476	531	59.90
Go	go version go1.22.3 linux/amd64 GOAMD64=v2
Rust	1.79.0 (129f3b996 2024-06-10) LLVM version: 18.1.7