Pull correct linux arch for stanc3

[andrjohns]

Submisison Checklist

• Run tests: ./runCmdStanTests.py src/test
• Declare copyright holder and open-source license: see below

Summary:

This PR adds the functionality for downloading the stanc3 for additional architectures on linux. The following architectures are now supported:

• arm64
• armel
• armhf
• mips64el
• ppc64el
• s390x

I've tested this under QEMU, and the correct stanc3 binary is downloaded and the bernoulli model compiles and runs under all architectures

Intended Effect:

Automatic support for cmdstan across more linux architectures

How to Verify:

Call make build on a non-x86 linux system

Side Effects:

N/A

Documentation:

N/A

Copyright and Licensing

Please list the copyright holder for the work you are submitting (this will be you or your assignee, such as a university or company): Andrew Johnson

By submitting this pull request, the copyright holder is agreeing to license the submitted work under the following licenses:

• Code: BSD 3-clause (https://opensource.org/licenses/BSD-3-Clause)
• Documentation: CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/)

[stan-buildbot]

---

Name	Old Result	New Result	Ratio	Performance change( 1 - new / old )
gp_pois_regr/gp_pois_regr.stan	2.88	2.97	0.97	-3.29% slower
low_dim_corr_gauss/low_dim_corr_gauss.stan	0.02	0.02	0.98	-2.47% slower
eight_schools/eight_schools.stan	0.1	0.1	1.02	1.79% faster
gp_regr/gp_regr.stan	0.15	0.15	0.99	-0.81% slower
irt_2pl/irt_2pl.stan	5.84	5.83	1.0	0.11% faster
performance.compilation	89.01	86.8	1.03	2.48% faster
low_dim_gauss_mix_collapse/low_dim_gauss_mix_collapse.stan	8.61	8.53	1.01	0.92% faster
pkpd/one_comp_mm_elim_abs.stan	30.62	29.02	1.05	5.21% faster
sir/sir.stan	141.63	124.25	1.14	12.27% faster
gp_regr/gen_gp_data.stan	0.03	0.03	1.0	-0.43% slower
low_dim_gauss_mix/low_dim_gauss_mix.stan	3.02	3.0	1.01	0.68% faster
pkpd/sim_one_comp_mm_elim_abs.stan	0.39	0.41	0.95	-5.02% slower
arK/arK.stan	2.54	1.87	1.36	26.41% faster
arma/arma.stan	0.76	0.83	0.91	-9.82% slower
garch/garch.stan	0.67	0.71	0.96	-4.68% slower
Mean result: 1.02430466089

---

Jenkins Console Log
Blue Ocean
Commit hash: efc8b65

---

Machine information

ProductName: Mac OS X ProductVersion: 10.11.6 BuildVersion: 15G22010

CPU:
Intel(R) Xeon(R) CPU E5-1680 v2 @ 3.00GHz

G++:
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 7.0.2 (clang-700.1.81)
Target: x86_64-apple-darwin15.6.0
Thread model: posix

Clang:
Apple LLVM version 7.0.2 (clang-700.1.81)
Target: x86_64-apple-darwin15.6.0
Thread model: posix

[rok-cesnovar]

Will take a look a bit later. What do you think would be the best way of providing the tarballs at release time?

A separate tarball for each arch? I guess a single tarball would be huge.

And the names of the tarballs would be the same as the ARCH_TAG you use here? That would mean

cmdstan-2.28.0-linux-mips64el.tar.gz
cmdstan-2.28.0-linux-ppc64el.tar.gz
cmdstan-2.28.0-linux-s390x.tar.gz
cmdstan-2.28.0-linux-arm64.tar.gz // exists already
cmdstan-2.28.0-linux-armel.tar.gz
cmdstan-2.28.0-linux-armhf.tar.gz

Does that work for you?

[andrjohns]

Yeah a separate tarball for each with the ARCH_TAG would be best (if that's not too many tarballs!). Is that build process somewhere? I can make those changes as well, if it's easier

[stan-buildbot]

---

Name	Old Result	New Result	Ratio	Performance change( 1 - new / old )
gp_pois_regr/gp_pois_regr.stan	2.9	2.91	1.0	-0.38% slower
low_dim_corr_gauss/low_dim_corr_gauss.stan	0.02	0.02	0.98	-1.74% slower
eight_schools/eight_schools.stan	0.1	0.1	1.02	2.3% faster
gp_regr/gp_regr.stan	0.16	0.16	1.0	0.29% faster
irt_2pl/irt_2pl.stan	5.89	5.83	1.01	1.01% faster
performance.compilation	89.2	86.81	1.03	2.67% faster
low_dim_gauss_mix_collapse/low_dim_gauss_mix_collapse.stan	8.73	8.58	1.02	1.66% faster
pkpd/one_comp_mm_elim_abs.stan	30.41	31.59	0.96	-3.89% slower
sir/sir.stan	139.63	123.67	1.13	11.43% faster
gp_regr/gen_gp_data.stan	0.03	0.03	0.99	-1.31% slower
low_dim_gauss_mix/low_dim_gauss_mix.stan	3.04	3.0	1.01	1.09% faster
pkpd/sim_one_comp_mm_elim_abs.stan	0.39	0.39	1.01	0.65% faster
arK/arK.stan	2.51	1.87	1.34	25.26% faster
arma/arma.stan	0.76	0.83	0.91	-9.38% slower
garch/garch.stan	0.67	0.71	0.94	-6.32% slower
Mean result: 1.02327422656

---

Jenkins Console Log
Blue Ocean
Commit hash: 69b7947

---

Machine information

ProductName: Mac OS X ProductVersion: 10.11.6 BuildVersion: 15G22010

CPU:
Intel(R) Xeon(R) CPU E5-1680 v2 @ 3.00GHz

G++:
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 7.0.2 (clang-700.1.81)
Target: x86_64-apple-darwin15.6.0
Thread model: posix

Clang:
Apple LLVM version 7.0.2 (clang-700.1.81)
Target: x86_64-apple-darwin15.6.0
Thread model: posix

[rok-cesnovar]

Is that build process somewhere? I can make those changes as well, if it's easier

@serban-nicusor-toptal does the tarball packaging and can tell you more about that, but I guess that is just a bash script that lives in some other repository?

[rok-cesnovar]

Looks great to me!

[serban-nicusor-toptal]

For the cmdstan tarball I have a 3 line script locally that just archives it (after release) and removes the weird files mac adds.
The original release script can be found here, hope that helps. If you need any help with this please let me know!