Changeset 5464d68 in sasmodels

Timestamp:

Mar 20, 2016 4:55:33 PM (8 years ago)

Author:

Paul Kienzle <pkienzle@…>

Branches:

master, core_shell_microgels, costrafo411, magnetic_model, release_v0.94, release_v0.95, ticket-1257-vesicle-product, ticket_1156, ticket_1265_superball, ticket_822_more_unit_tests

Children:

4f9d3fd

Parents:

cf52f9c

Message:

move opencl pragmas into kernelcl

File:

• sasmodels/kernelcl.py (modified) (2 diffs)

sasmodels/kernelcl.py

@@ -75 +75 @@
 
 
+# Pragmas for enable OpenCL features.  Be sure to protect them so that they
+# still compile even if OpenCL is not present.
+_F16_PRAGMA = """\
+#if defined(__OPENCL_VERSION__) // && !defined(cl_khr_fp16)
+#  pragma OPENCL EXTENSION cl_khr_fp16: enable
+#endif
+"""
+
+_F64_PRAGMA = """\
+#if defined(__OPENCL_VERSION__) // && !defined(cl_khr_fp64)
+#  pragma OPENCL EXTENSION cl_khr_fp64: enable
+#endif
+"""
+
+
 ENV = None
 def environment():
@@ -142 +157 @@
         raise RuntimeError("%s not supported for devices"%dtype)
 
-    source = generate.convert_type(source, dtype)
+    source_list = [generate.convert_type(source, dtype)]
+
+    if dtype == generate.F16:
+        source_list.insert(0, _F16_PRAGMA)
+    elif dtype == generate.F64:
+        source_list.insert(0, _F64_PRAGMA)
+
+
     # Note: USE_SINCOS makes the intel cpu slower under opencl
     if context.devices[0].type == cl.device_type.GPU:
-        source = "#define USE_SINCOS\n" + source
+        source_list.insert(0, "#define USE_SINCOS\n")
     options = (get_fast_inaccurate_build_options(context.devices[0])
                if fast else [])
+    source = "\n".join(source)
     program = cl.Program(context, source).build(options=options)
     return program