Do not probe GPU interfaced with PoCL

silx-kit · Aug 22, 2023 · d521b25 · d521b25
1 parent 5e33cb6
commit d521b25
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/silx/opencl/atomic.py b/src/silx/opencl/atomic.py
@@ -69,6 +69,10 @@ def check_atomic64(device):
         return False, f"Unable to create context on {device}"
     else:
         queue = pyopencl.CommandQueue(ctx)
+    if device.platform.name == 'Portable Computing Language' and \
+       "GPU" in pyopencl.device_type.to_string(device.type).upper():
+        # this configuration is known to seg-fault
+        return False, "PoCL + GPU do not support atomic64"
     src = """
 #pragma OPENCL EXTENSION cl_khr_fp64: enable
 #pragma OPENCL EXTENSION cl_khr_int64_base_atomics : enable