arch: switch amd openmp offload to native offload arch

Author: mloubout

devito/arch/compiler.py

@@ -563,7 +563,7 @@ def __init_finalize__(self, **kwargs):
             if language in ['C', 'openmp']:
                 self.ldflags += ['-target', 'x86_64-pc-linux-gnu']
                 self.ldflags += ['-fopenmp']
-                self.ldflags += ['--offload-arch=%s' % platform.march]
+                self.ldflags += ['--offload-arch=native']
         elif platform in [POWER8, POWER9]:
             # It doesn't make much sense to use AOMP on Power, but it should work
             self.cflags.append('-mcpu=native')

tests/test_gpu_common.py

@@ -643,6 +643,7 @@ def test_streaming_multi_input(self, opt, ntmps):
 
         assert np.all(grad.data == grad1.data)
 
+    @switchconfig(safe_math=True)
     def test_streaming_multi_input_conddim_foward(self):
         nt = 10
         grid = Grid(shape=(4, 4))
@@ -671,6 +672,7 @@ def test_streaming_multi_input_conddim_foward(self):
 
         assert np.all(v.data == v1.data)
 
+    @switchconfig(safe_math=True)
     def test_streaming_multi_input_conddim_backward(self):
         nt = 10
         grid = Grid(shape=(4, 4))