Chapel versus Intel Fortran fastest programs

Always look at the source code.

These are only the fastest programs. Do some of them use manually vectorized SIMD? Look at the other programs. They may seem more-like a fair comparison to you.

reverse-complement
source	secs	mem	gz	busy	cpu load
Chapel	1.65	1,882,564	755	3.51	96% 38% 38% 41%
Intel Fortran	3.90	985,352	1019	4.11	1% 100% 4% 1%
fasta
source	secs	mem	gz	busy	cpu load
Chapel	0.93	5,252	1391	3.36	100% 87% 88% 87%
Intel Fortran	2.06	12	1351	2.06	0% 0% 0% 100%
fannkuch-redux
source	secs	mem	gz	busy	cpu load
Chapel	9.35	4,288	731	37.30	100% 100% 100% 100%
Intel Fortran	10.16	11,048	1158	40.55	100% 100% 100% 100%
pidigits
source	secs	mem	gz	busy	cpu load
Chapel	0.75	6,516	512	0.75	99% 1% 0% 0%
Intel Fortran	0.74	4,004	981	0.75	0% 0% 100% 1%
n-body
source	secs	mem	gz	busy	cpu load
Chapel	6.79	5,388	971	7.09	100% 1% 0% 3%
Intel Fortran	4.22	12	1524	4.34	100% 1% 1% 2%
spectral-norm
source	secs	mem	gz	busy	cpu load
Chapel	1.46	5,204	310	5.80	99% 99% 99% 99%
Intel Fortran	0.72	1,776	638	2.85	100% 100% 99% 99%
mandelbrot
source	secs	mem	gz	busy	cpu load
Chapel	3.32	36,104	588	13.13	99% 98% 99% 99%
Intel Fortran	1.42	36,184	957	5.63	99% 100% 99% 99%
binary-trees
source	secs	mem	gz	busy	cpu load
Chapel	7.86	298,696	488	24.18	100% 57% 77% 74%
Intel Fortran	2.38	133,752	1148	7.45	100% 70% 70% 73%
regex-redux
source	secs	mem	gz	busy	cpu load
Chapel	4.29	486,708	493	6.81	99% 21% 21% 17%
Intel Fortran	0.99	176,200	2225	3.06	68% 73% 71% 98%
k-nucleotide
source	secs	mem	gz	busy	cpu load
Chapel	10.43	177,052	996	38.90	100% 90% 91% 92%
Intel Fortran		Make Error
Chapel	chpl version 1.23.0 Copyright 2020 Hewlett Packard Enterprise Development LP Copyright (c) 2004-2019, Cray Inc.
Intel Fortran	Intel(R) Fortran Intel(R) 64 Compiler for applications runn304 Build 20200925_0ing on Intel(R) 64, Version 19.1.3.304 Build 20200925_000000 Copyright (C) 1985-2020 Intel Corporation. All rights reserved. FOR NON-COMMERCIAL USE ONLY