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	2.14	30,496	1473	8.33
C# .NET #9	8.06	31,844	1225	31.90
Go #3	8.25	10,936	969	32.92
C# .NET #6	9.16	30,572	1068	36.34
Go	11.83	11,128	900	47.26
Go #2	11.89	12,708	896	47.47
C# .NET #7		Bad Output
n-body
source	secs	mem	gz	cpu secs
C# .NET #9	3.14	30,200	2467	3.13
C# .NET #4	3.78	30,120	2125	3.76
C# .NET #7	4.79	30,184	1704	4.78
C# .NET #6	4.81	30,192	1742	4.80
Go #3	6.36	11,244	1200	6.37
Go	6.55	11,244	1310	6.56
C# .NET #3	6.89	30,564	1305	6.87
Go #2	6.94	11,244	1215	6.95
C# .NET #8	7.13	30,596	1332	7.12
C# .NET #2	7.14	30,532	1343	7.12
spectral-norm
source	secs	mem	gz	cpu secs
C# .NET #5	0.90	34,704	764	3.27
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
C# .NET #3	1.54	32,804	878	5.84
mandelbrot
source	secs	mem	gz	cpu secs
C# .NET	3.17	65,512	1974	12.37
C# .NET #9	3.17	65,492	816	12.37
Go #3	3.73	36,140	894	14.86
Go #4	3.73	36,116	905	14.87
C# .NET #5	4.12	63,172	839	16.13
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
C# .NET #6	0.94	31,888	1168	0.92
C# .NET #5	0.93	33,596	977	0.94
Go #4	1.01	11,244	683	1.02
C# .NET #4	1.35	31,700	1121	1.34
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
C# .NET #7	6.72	53,020	567	7.28
regex-redux
source	secs	mem	gz	cpu secs
C# .NET #8	1.44	389,260	1869	2.67
C# .NET #5	2.50	1,056,900	673	5.81
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
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
C# .NET #5	1.49	52,708	1691	5.45
C# .NET	1.57	51,912	2098	5.78
k-nucleotide
source	secs	mem	gz	cpu secs
C# .NET	3.60	184,024	2044	11.81
C# .NET #6	5.98	190,172	1603	15.84
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
reverse-complement
source	secs	mem	gz	cpu secs
C# .NET #8	0.55	926,208	2637	1.26
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
C# .NET #5	2.81	1,025,440	1613	3.76
C# .NET #6	1.58	1,026,664	1621	3.78
C# .NET #7	1.92	954,396	1310	5.06
Go #5		Bad Output
Go		Failed
binary-trees
source	secs	mem	gz	cpu secs
C# .NET #7	4.83	1,605,316	694	15.63
C# .NET #2	4.90	1,757,904	705	15.94
C# .NET #3	5.25	2,092,160	676	16.83
C# .NET	5.28	2,145,644	657	17.22
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
C# .NET	.NET SDK 7.0.200 Host Version: 7.0.3 Commit: 0a2bda10e8 <ServerGarbageCollection>true