F# .NET 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	2.18	104,872	1473	8.37
C# .NET #9	8.10	106,224	1225	31.95
F# .NET #6	8.33	106,496	1097	32.25
C# .NET #6	9.23	104,932	1068	36.47
F# .NET #5	9.75	111,368	912	38.19
C# .NET #7		Bad Output
n-body
source	secs	mem	gz	cpu secs
C# .NET #9	3.18	104,576	2467	3.16
C# .NET #4	3.82	104,476	2125	3.80
C# .NET #7	4.83	104,640	1704	4.81
C# .NET #6	4.84	104,620	1742	4.83
F# .NET #6	5.02	108,192	1383	5.00
F# .NET #3	6.91	106,624	1617	6.90
C# .NET #3	6.93	104,984	1305	6.90
C# .NET #8	7.16	105,044	1332	7.15
C# .NET #2	7.17	104,984	1343	7.15
F# .NET #2	7.28	108,408	1381	7.26
F# .NET #4	7.40	108,620	1290	7.38
F# .NET #5	7.47	108,388	1351	7.45
F# .NET		Bad Output
spectral-norm
source	secs	mem	gz	cpu secs
C# .NET #5	0.94	109,316	764	3.30
F# .NET #4	1.60	110,572	732	5.86
C# .NET #3	1.59	107,244	878	5.88
F# .NET #2	1.63	109,184	853	5.90
mandelbrot
source	secs	mem	gz	cpu secs
C# .NET	3.20	139,968	1974	12.39
C# .NET #9	3.20	140,004	816	12.40
F# .NET #6	3.83	140,068	933	14.86
F# .NET	4.08	140,580	877	15.88
F# .NET #5	4.09	139,916	897	15.90
C# .NET #5	4.15	137,620	839	16.15
pidigits
source	secs	mem	gz	cpu secs
C# .NET #6	0.98	106,388	1168	0.97
C# .NET #5	0.97	108,208	977	0.97
F# .NET #6	0.99	105,584	905	0.98
C# .NET #4	1.38	106,156	1121	1.37
F# .NET #4	1.39	106,688	874	1.39
C# .NET #7	6.71	127,392	567	7.28
regex-redux
source	secs	mem	gz	cpu secs
C# .NET #8	1.48	463,764	1869	2.71
F# .NET #6	2.45	1,131,324	611	5.76
C# .NET #5	2.62	1,131,296	673	5.84
F# .NET #7	4.66	1,325,080	599	6.52
fasta
source	secs	mem	gz	cpu secs
F# .NET #3	1.16	137,720	1350	4.13
F# .NET #4	1.29	201,344	1342	4.54
C# .NET #5	1.55	125,204	1691	5.52
C# .NET	1.65	126,308	2098	5.95
k-nucleotide
source	secs	mem	gz	cpu secs
C# .NET	3.64	258,496	2044	11.97
F# .NET #6	4.11	260,772	1907	12.92
C# .NET #6	5.95	262,512	1603	15.73
F# .NET #2	4.54	272,540	1926	15.96
reverse-complement
source	secs	mem	gz	cpu secs
C# .NET #8	0.58	996,916	2637	1.29
C# .NET #5	2.80	1,100,032	1613	3.74
C# .NET #6	1.61	1,100,936	1621	3.82
C# .NET #7	1.86	1,042,272	1310	4.94
F# .NET #4		Timed Out
F# .NET #5		Timed Out
binary-trees
source	secs	mem	gz	cpu secs
C# .NET #2	4.84	1,592,704	705	15.66
C# .NET #3	5.04	2,060,704	676	15.93
C# .NET #7	4.98	1,788,072	694	16.08
F# .NET #7	5.39	1,718,280	516	16.69
C# .NET	5.34	2,185,096	657	17.27
F# .NET	.NET SDK 7.0.102 Host Version: 7.0.2 Commit: d037e070eb <ServerGarbageCollection>true
C# .NET	.NET SDK 7.0.102 Host Version: 7.0.2 Commit: d037e070eb <ServerGarbageCollection>true