Add OpenCL testing to Cmdstan

[rok-cesnovar]

Submisison Checklist

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

Summary:

Adds a stage for running cmdstan interface tests with STAN_OPENCL=true which we dont currently run.
This let a small bug get through that was caused by me not pushing all the changes to the repo.

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): Rok Češnovar

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]

(stat_comp_benchmarks/benchmarks/gp_pois_regr/gp_pois_regr.stan, 1.0)
(stat_comp_benchmarks/benchmarks/low_dim_corr_gauss/low_dim_corr_gauss.stan, 0.99)
(stat_comp_benchmarks/benchmarks/irt_2pl/irt_2pl.stan, 0.99)
(stat_comp_benchmarks/benchmarks/pkpd/one_comp_mm_elim_abs.stan, 0.96)
(stat_comp_benchmarks/benchmarks/eight_schools/eight_schools.stan, 1.02)
(stat_comp_benchmarks/benchmarks/gp_regr/gp_regr.stan, 1.01)
(stat_comp_benchmarks/benchmarks/arK/arK.stan, 1.0)
(performance.compilation, 1.02)
(stat_comp_benchmarks/benchmarks/low_dim_gauss_mix_collapse/low_dim_gauss_mix_collapse.stan, 1.0)
(stat_comp_benchmarks/benchmarks/low_dim_gauss_mix/low_dim_gauss_mix.stan, 0.99)
(stat_comp_benchmarks/benchmarks/sir/sir.stan, 1.0)
(stat_comp_benchmarks/benchmarks/pkpd/sim_one_comp_mm_elim_abs.stan, 0.96)
(stat_comp_benchmarks/benchmarks/garch/garch.stan, 0.98)
(stat_comp_benchmarks/benchmarks/gp_regr/gen_gp_data.stan, 1.01)
(stat_comp_benchmarks/benchmarks/arma/arma.stan, 1.0)
Result: 0.99628026025
Commit hash: efb72b2

[stan-buildbot]

(stat_comp_benchmarks/benchmarks/gp_pois_regr/gp_pois_regr.stan, 1.0)
(stat_comp_benchmarks/benchmarks/low_dim_corr_gauss/low_dim_corr_gauss.stan, 1.02)
(stat_comp_benchmarks/benchmarks/irt_2pl/irt_2pl.stan, 0.99)
(stat_comp_benchmarks/benchmarks/pkpd/one_comp_mm_elim_abs.stan, 1.01)
(stat_comp_benchmarks/benchmarks/eight_schools/eight_schools.stan, 0.98)
(stat_comp_benchmarks/benchmarks/gp_regr/gp_regr.stan, 0.98)
(stat_comp_benchmarks/benchmarks/arK/arK.stan, 1.02)
(performance.compilation, 1.02)
(stat_comp_benchmarks/benchmarks/low_dim_gauss_mix_collapse/low_dim_gauss_mix_collapse.stan, 1.0)
(stat_comp_benchmarks/benchmarks/low_dim_gauss_mix/low_dim_gauss_mix.stan, 1.0)
(stat_comp_benchmarks/benchmarks/sir/sir.stan, 1.03)
(stat_comp_benchmarks/benchmarks/pkpd/sim_one_comp_mm_elim_abs.stan, 1.11)
(stat_comp_benchmarks/benchmarks/garch/garch.stan, 1.01)
(stat_comp_benchmarks/benchmarks/gp_regr/gen_gp_data.stan, 1.01)
(stat_comp_benchmarks/benchmarks/arma/arma.stan, 1.0)
Result: 1.01180724259
Commit hash: efb72b2

[rok-cesnovar]

@seantalts @serban-nicusor-toptal Is adding another step ok, or should I join the GPU with the mac interface tests?

[serban-nicusor-toptal]

From my pov creating a new step as it is now it's better then complicate an existing one. Better for tracking errors too.

[stan-buildbot]

(stat_comp_benchmarks/benchmarks/gp_pois_regr/gp_pois_regr.stan, 1.02)
(stat_comp_benchmarks/benchmarks/low_dim_corr_gauss/low_dim_corr_gauss.stan, 1.0)
(stat_comp_benchmarks/benchmarks/irt_2pl/irt_2pl.stan, 1.0)
(stat_comp_benchmarks/benchmarks/pkpd/one_comp_mm_elim_abs.stan, 1.06)
(stat_comp_benchmarks/benchmarks/eight_schools/eight_schools.stan, 0.98)
(stat_comp_benchmarks/benchmarks/gp_regr/gp_regr.stan, 1.01)
(stat_comp_benchmarks/benchmarks/arK/arK.stan, 0.98)
(performance.compilation, 1.03)
(stat_comp_benchmarks/benchmarks/low_dim_gauss_mix_collapse/low_dim_gauss_mix_collapse.stan, 1.0)
(stat_comp_benchmarks/benchmarks/low_dim_gauss_mix/low_dim_gauss_mix.stan, 1.0)
(stat_comp_benchmarks/benchmarks/sir/sir.stan, 1.01)
(stat_comp_benchmarks/benchmarks/pkpd/sim_one_comp_mm_elim_abs.stan, 0.97)
(stat_comp_benchmarks/benchmarks/garch/garch.stan, 1.0)
(stat_comp_benchmarks/benchmarks/gp_regr/gen_gp_data.stan, 0.97)
(stat_comp_benchmarks/benchmarks/arma/arma.stan, 1.0)
Result: Regex did not match anything
Commit hash: 6c166a6

[rok-cesnovar]

Closing for now, will reopen once we fix stan-dev/math#1528