Go versus C gcc 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 gcc #6	2.16	19,516	1582	8.53
C gcc #4	14.20	19,516	1190	14.20
C gcc #5	6.91	19,644	917	27.13
Go #3	8.33	19,664	975	33.25
C gcc #3	39.57	19,516	574	39.57
C gcc	42.24	19,640	514	42.24
C gcc #2	11.16	19,644	1563	43.66
Go	11.74	19,664	906	46.77
Go #2	11.79	19,664	903	46.97
n-body
source	secs	mem	gz	cpu secs
C gcc #9	2.10	19,520	1639	2.10
C gcc #8	3.70	19,520	1398	3.69
C gcc #4	4.30	19,520	1496	4.30
C gcc #6	4.96	19,520	1186	4.96
C gcc	5.18	19,520	1179	5.18
C gcc #2	5.18	19,520	1270	5.18
C gcc #3	5.24	19,520	1214	5.24
C gcc #5	5.41	19,648	1436	5.41
Go #3	6.37	19,808	1207	6.38
C gcc #7	6.81	19,520	1250	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 gcc #6	0.41	19,760	1203	1.61
C gcc #5	0.72	19,520	576	2.84
C gcc #7	0.73	19,520	906	2.84
C gcc #4	0.72	19,520	1145	2.84
Go	5.32	19,824	417	5.33
C gcc	5.39	19,520	390	5.39
Go #2	1.53	19,824	674	5.67
Go #4	1.44	19,824	555	5.67
C gcc #3	1.43	19,520	470	5.68
C gcc #8		Make Error
mandelbrot
source	secs	mem	gz	cpu secs
C gcc #6	1.28	33,280	1141	5.11
C gcc #8	1.63	33,536	788	6.30
C gcc #4	3.48	33,152	805	13.85
C gcc	3.49	32,896	828	13.88
C gcc #7	3.49	33,152	1000	13.89
C gcc #3	3.54	32,768	769	14.07
Go #4	3.76	35,328	912	14.92
Go #3	3.76	35,456	900	14.94
C gcc #9	4.22	33,280	700	16.30
Go	5.01	33,408	829	19.98
C gcc #2	24.97	19,520	412	24.97
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 gcc #2	0.81	19,520	422	0.81
C gcc	0.88	19,520	459	0.88
Go #4	0.95	19,808	689	0.97
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
regex-redux
source	secs	mem	gz	cpu secs
C gcc #5	0.80	152,388	1403	2.03
C gcc #2	3.23	103,296	1121	3.23
C gcc #4	0.96	152,256	1237	3.27
C gcc #3	1.72	103,680	1273	3.29
Go #5	3.17	320,972	817	5.38
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
C gcc #9	0.78	19,520	1469	0.78
C gcc #5	1.24	19,520	1286	1.24
C gcc #6	0.93	19,648	1936	2.73
C gcc #8	2.79	19,520	1299	2.79
C gcc #4	3.02	19,520	1244	3.02
C gcc #2	0.83	19,520	2270	3.26
C gcc #7	0.85	19,648	2018	3.29
C gcc	3.74	19,520	1209	3.73
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 gcc #3	4.49	19,520	825	4.48
k-nucleotide
source	secs	mem	gz	cpu secs
C gcc	3.80	130,432	1512	12.64
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
reverse-complement
source	secs	mem	gz	cpu secs
C gcc #7	0.43	499,872	1899	0.58
C gcc #8	0.50	499,872	1551	0.86
C gcc #6	0.96	703,064	828	1.37
C gcc #5	1.50	994,176	654	1.50
C gcc #2	1.05	994,432	757	1.55
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 gcc #4	3.66	500,480	716	3.66
Go #5		Bad Output
Go		Failed
binary-trees
source	secs	mem	gz	cpu secs
C gcc #2	1.51	169,088	816	4.17
C gcc #3	1.89	134,400	842	4.59
C gcc	20.83	264,192	660	20.83
Go #6	27.61	404,608	618	29.03
C gcc #5	8.27	351,232	914	30.31
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 gcc	13.2.0-4ubuntu3