Go versus C# .NET 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
C# .NET #8	2.23	31,164	1485	8.60
Go #3	8.33	19,664	975	33.25
C# .NET #6	8.65	30,684	1075	34.32
C# .NET #9	9.07	32,108	1232	35.94
Go	11.74	19,664	906	46.77
Go #2	11.79	19,664	903	46.97
C# .NET #7		Bad Output
n-body
source	secs	mem	gz	cpu secs
C# .NET #9	3.16	30,044	2480	3.15
C# .NET #4	3.79	30,088	2137	3.77
C# .NET #7	4.79	30,216	1715	4.77
C# .NET #6	4.82	30,196	1754	4.80
Go #3	6.37	19,808	1207	6.38
C# .NET #3	6.64	31,212	1311	6.62
C# .NET #2	6.82	31,168	1350	6.81
C# .NET #8	6.82	31,208	1339	6.81
Go	7.00	19,680	1316	7.02
Go #2	7.02	19,680	1222	7.03
spectral-norm
source	secs	mem	gz	cpu secs
C# .NET #5	0.93	36,020	776	3.34
Go	5.32	19,824	417	5.33
Go #2	1.53	19,824	674	5.67
Go #4	1.44	19,824	555	5.67
C# .NET #3	1.56	33,348	890	5.85
mandelbrot
source	secs	mem	gz	cpu secs
C# .NET	3.23	66,812	1980	12.56
C# .NET #9	3.23	66,560	822	12.59
Go #4	3.76	35,328	912	14.92
Go #3	3.76	35,456	900	14.94
C# .NET #5	4.02	64,276	851	15.75
Go	5.01	33,408	829	19.98
Go #2	6.85	33,152	843	27.29
Go #6	6.89	32,768	707	27.40
pidigits
source	secs	mem	gz	cpu secs
C# .NET #5	0.92	34,692	990	0.94
C# .NET #6	0.96	32,836	1182	0.94
Go #4	0.95	19,808	689	0.97
C# .NET #4	1.36	33,556	1135	1.35
Go	1.35	19,696	715	1.37
Go #3	1.58	19,824	610	1.62
Go #2	2.13	19,824	740	2.19
Go #8	2.49	19,696	727	2.50
Go #7	5.12	19,824	702	5.88
C# .NET #7	6.49	53,064	579	7.05
regex-redux
source	secs	mem	gz	cpu secs
C# .NET #8	1.36	388,756	1881	2.60
Go #5	3.17	320,972	817	5.38
C# .NET #5	2.07	861,292	679	6.28
Go #4	14.51	368,680	832	34.26
Go	25.58	345,472	749	61.95
Go #3	25.72	402,968	836	62.19
fasta
source	secs	mem	gz	cpu secs
Go	3.73	19,804	1055	3.74
Go #2	1.26	19,672	1405	4.03
Go #3	1.50	19,664	1362	4.08
C# .NET #5	1.48	49,500	1702	5.38
C# .NET	1.83	52,060	2113	6.61
k-nucleotide
source	secs	mem	gz	cpu secs
C# .NET #6	4.89	187,780	1615	12.63
Go #7	7.52	162,944	1613	28.68
Go #6	8.17	145,152	1596	29.90
Go #3	8.38	145,152	1729	30.32
Go #4	9.07	139,904	1552	30.33
C# .NET		Make Error
reverse-complement
source	secs	mem	gz	cpu secs
C# .NET #8	0.55	718,428	2641	1.30
Go #2	2.21	802,176	614	2.30
Go #3	2.47	802,048	609	2.56
Go #6	1.84	1,249,840	1340	3.30
C# .NET #5	2.60	1,026,320	1620	3.58
C# .NET #6	1.58	1,027,952	1627	3.80
C# .NET #7	1.53	942,900	1312	4.16
Go #5		Bad Output
Go		Failed
binary-trees
source	secs	mem	gz	cpu secs
C# .NET #2	4.48	1,624,564	717	14.25
C# .NET #7	4.54	1,608,796	706	14.53
C# .NET #3	4.84	2,089,712	688	15.89
C# .NET	5.08	2,046,692	668	16.32
Go #6	27.61	404,608	618	29.03
Go #2	13.87	601,252	672	55.04
Go #5	14.37	308,092	957	56.80
Go #3	14.86	323,544	806	57.39
Go	30.97	262,396	488	57.95
Go #7	33.10	292,588	531	61.68
Go	go version go1.22.0 linux/amd64 GOAMD64=v2
C# .NET	.NET SDK 8.0.200 Host Version: 8.0.2 Commit: 1381d5ebd2 <ServerGarbageCollection>true