Merge branch 'topic/default/meson-multi-backends' into 'branch/default'

Try multi-backends

See merge request fluiddyn/fluidsim!347

fluidsim/base/output/meson.build

@@ -29,4 +29,7 @@ run_command(
   ['transonic', '--meson', '--backend', backend, 'increments.py', 'spatiotemporal_spectra.py'],
   check: true
 )
-subdir('__' + backend + '__')
+
+foreach be : backends
+  subdir('__' + be + '__')
+endforeach

fluidsim/base/time_stepping/meson.build

@@ -12,4 +12,7 @@ py.install_sources(
 )
 
 run_command(['transonic', '--meson', '--backend', backend, 'pseudo_spect.py'], check: true)
-subdir('__' + backend + '__')
+
+foreach be : backends
+  subdir('__' + be + '__')
+endforeach

fluidsim/operators/meson.build

@@ -18,4 +18,7 @@ py.install_sources(
 subdir('test')
 
 run_command(['transonic', '--meson', '--backend', backend, 'operators2d.py', 'operators3d.py'], check: true)
-subdir('__' + backend + '__')
+
+foreach be : backends
+  subdir('__' + be + '__')
+endforeach

fluidsim/solvers/ns2d/meson.build

@@ -19,4 +19,8 @@ subdir('output')
 subdir('strat')
 
 run_command(['transonic', '--meson', '--backend', backend, 'solver.py'], check: true)
-subdir('__' + backend + '__')
+
+foreach be : backends
+  subdir('__' + be + '__')
+endforeach
+

fluidsim/solvers/ns2d/output/meson.build

@@ -14,4 +14,7 @@ py.install_sources(
 )
 
 run_command(['transonic', '--meson', '--backend', backend, 'spatiotemporal_spectra.py'], check: true)
-subdir('__' + backend + '__')
+
+foreach be : backends
+  subdir('__' + be + '__')
+endforeach

fluidsim/solvers/ns3d/forcing/meson.build

@@ -10,4 +10,7 @@ py.install_sources(
 )
 
 run_command(['transonic', '--meson', '--backend', backend, 'watu.py'], check: true)
-subdir('__' + backend + '__')
+
+foreach be : backends
+  subdir('__' + be + '__')
+endforeach

fluidsim/solvers/ns3d/output/meson.build

@@ -13,4 +13,7 @@ py.install_sources(
 )
 
 run_command(['transonic', '--meson', '--backend', backend, 'spatiotemporal_spectra.py'], check: true)
-subdir('__' + backend + '__')
+
+foreach be : backends
+  subdir('__' + be + '__')
+endforeach

fluidsim/solvers/ns3d/strat/meson.build

@@ -13,4 +13,7 @@ py.install_sources(
 subdir('output')
 
 run_command(['transonic', '--meson', '--backend', backend, 'solver.py'], check: true)
-subdir('__' + backend + '__')
+
+foreach be : backends
+  subdir('__' + be + '__')
+endforeach

fluidsim/util/meson.build

@@ -17,4 +17,7 @@ subdir('console')
 subdir('scripts')
 
 run_command(['transonic', '--meson', '--backend', backend, 'mini_oper_modif_resol.py'], check: true)
-subdir('__' + backend + '__')
+
+foreach be : backends
+  subdir('__' + be + '__')
+endforeach

meson.build

@@ -16,7 +16,15 @@ py = py_mod.find_installation('python3', pure: false)
 py_dep = py.dependency()
 
 backend = get_option('transonic-backend')
-if backend == 'pythran'
+
+if backend.contains(',')
+    backends = backend.split(',')
+else
+    backends = [backend]
+endif
+
+use_pythran = backend.contains('pythran')
+if use_pythran
   incdir_numpy = run_command(
     py,
     [

meson.options

@@ -1,2 +1,7 @@
-option('transonic-backend', type: 'string', value: 'pythran', description: 'pythran(default), cython, numpy, numba')
+option(
+    'transonic-backend',
+    type: 'string',
+    value: 'pythran,python,numba',
+    description: 'pythran,python,numba (default), cython, numpy, numba, or comma separated value representing multi-backends'
+)
 option('use-xsimd', type: 'boolean', value: true, description: 'use xsimd')

pyproject.toml

@@ -90,7 +90,7 @@ dev = [
     "fluidsim[test]",
     "fluidsim[mpi]",
     "fluidsim[fft]",
-    "fluidsim[sphere]",
+    # "fluidsim[sphere]",
     "build",
     "twine",
 ]