Fastest cpu secs Go versus C++ g++

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 cpu seconds, less gz source code.

fannkuch-redux
source	mem	gz	cpu
C++ g++ #6	2,000	1528	12.93
C++ g++ #7	992	1150	13.89
C++ g++ #5	2,000	980	29.40
Go #3	2,260	969	32.88
C++ g++ #4	2,216	1439	40.52
C++ g++ #3	988	593	40.55
C++ g++ #2	2,224	1440	42.64
C++ g++	2,164	1059	42.76
Go	2,956	900	47.36
Go #2	11,316	896	47.56
n-body
source	mem	gz	cpu
C++ g++ #0	964	1927	2.17
C++ g++ #2	1,944	1879	4.06
C++ g++ #7	1,976	1808	4.28
C++ g++ #9	1,260	1530	4.90
C++ g++ #6	1,300	1668	5.65
C++ g++ #4	1,040	1428	5.68
C++ g++ #3	1,280	1396	5.74
C++ g++	1,260	1659	5.93
C++ g++ #8	1,220	1517	6.08
C++ g++ #5	1,944	1749	6.11
Go #3	1,136	1200	6.38
Go	1,136	1310	6.58
Go #2	1,132	1215	6.94
spectral-norm
source	mem	gz	cpu
C++ g++ #6	1,348	1044	2.85
C++ g++ #5	2,048	1044	5.26
Go	2,452	411	5.33
C++ g++	1,964	452	5.36
Go #4	1,952	548	5.67
Go #2	1,420	668	5.68
C++ g++ #8	1,348	1278	6.09
mandelbrot
source	mem	gz	cpu
C++ g++ #4	34,720	3542	3.27
C++ g++	32,336	1791	3.48
C++ g++ #6	31,792	1002	3.88
C++ g++ #0	34,712	2739	4.06
C++ g++ #8	34,448	742	13.19
C++ g++ #5	33,640	590	13.37
C++ g++ #9	34,428	726	13.48
C++ g++ #7	34,392	1017	13.92
Go #4	33,812	905	14.85
Go #3	34,028	894	14.91
C++ g++ #2	34,176	692	17.47
Go	32,600	823	19.58
Go #2	33,196	837	27.07
Go #6	32,764	700	27.25
C++ g++ #3	1,976	414	28.53
pidigits
source	mem	gz	cpu
C++ g++ #4	4,220	513	0.71
C++ g++ #5	4,284	798	0.72
Go #4	8,732	683	0.87
Go #3	9,320	603	1.18
Go	9,496	708	1.21
Go #2	9,032	733	1.59
Go #8	9,924	720	2.54
Go #7	8,620	696	5.05
regex-redux
source	mem	gz	cpu
C++ g++ #6	275,924	2850	2.20
C++ g++ #4	203,888	1315	3.39
C++ g++	207,788	656	3.57
C++ g++ #2	198,316	700	3.69
C++ g++ #5	214,888	852	4.28
Go #5	306,476	810	5.97
C++ g++ #3	217,248	853	18.28
Go #4	355,844	829	34.99
Go #3	358,472	829	67.28
Go	297,048	741	68.45
fasta
source	mem	gz	cpu
C++ g++ #8	2,720	2751	1.52
C++ g++ #2	2,004	1127	1.85
C++ g++	2,000	1057	1.97
C++ g++ #3	1,964	1307	2.62
C++ g++ #4	1,016	1287	3.36
Go	1,112	1053	3.64
C++ g++ #5	4,540	2344	3.75
Go #2	10,980	1404	3.84
C++ g++ #6	4,564	2324	3.89
Go #3	3,168	1358	3.98
C++ g++ #7		Make Error
k-nucleotide
source	mem	gz	cpu
C++ g++ #2	156,416	1631	5.92
C++ g++ #3	165,588	1276	14.14
C++ g++	756,320	1446	14.54
Go #7	159,432	1607	28.49
Go #6	149,712	1590	29.40
Go #4	144,528	1543	30.22
Go #3	149,984	1722	30.25
reverse-complement
source	mem	gz	cpu
C++ g++ #2	499,708	2093	0.64
Go #2	826,796	611	1.94
Go #3	826,544	605	2.13
Go #5	1,483,756	996	2.26
Go #6	1,289,572	1338	2.48
C++ g++ #3	500,008	840	2.62
C++ g++ #6	1,513,136	1832	4.00
C++ g++	979,988	592	6.34
C++ g++ #5	765,148	720	34.88
Go		Failed
binary-trees
source	mem	gz	cpu
C++ g++ #7	168,192	890	3.38
C++ g++ #5	200,020	885	4.10
C++ g++ #9	135,652	809	4.16
C++ g++ #3	265,220	945	4.65
C++ g++ #6	265,784	844	4.72
C++ g++ #8	265,808	820	5.05
C++ g++	1,947,704	754	8.99
C++ g++ #2	265,180	508	22.61
Go #6	411,424	611	29.23
Go #2	632,396	666	48.67
Go #3	328,700	799	50.09
Go #5	394,800	950	50.52
Go	240,292	482	51.02
Go #7	259,088	525	51.41
C++ g++ #4		Make Error
Go	go version go1.18 linux/amd64
C++ g++	11.2.0-19ubuntu1