Remove the buffer functionality for GpuCommCliqueId since it crashes hard in some case and isn't necessary.

Author: abergeron

pygpu/collectives.pyx

@@ -38,41 +38,6 @@ cdef class GpuCommCliqueId:
         if comm_id is not None:
             self.comm_id = comm_id
 
-    def __getbuffer__(self, Py_buffer* buffer, int flags):
-        if buffer == NULL:
-            raise BufferError, "NULL buffer view in getbuffer"
-
-        buffer.buf = <char*>self.c_comm_id.internal
-        buffer.obj = self
-        buffer.len = GA_COMM_ID_BYTES * sizeof(char)
-        buffer.readonly = 0
-        buffer.itemsize = sizeof(char)
-        if flags & PyBUF_FORMAT == PyBUF_FORMAT:
-            buffer.format = 'B'
-        else:
-            buffer.format = NULL
-        buffer.ndim = 1
-        if flags & PyBUF_ND == PyBUF_ND:
-            buffer.shape = <Py_ssize_t*>calloc(1, sizeof(Py_ssize_t))
-            buffer.shape[0] = GA_COMM_ID_BYTES
-        else:
-            buffer.shape = NULL
-        if flags & PyBUF_STRIDES == PyBUF_STRIDES:
-            buffer.strides = &buffer.itemsize
-        else:
-            buffer.strides = NULL
-        buffer.suboffsets = NULL
-        buffer.internal = NULL
-        Py_INCREF(self)
-
-    def __releasebuffer__(self, Py_buffer* buffer):
-        if buffer == NULL:
-            raise BufferError, "NULL buffer view in releasebuffer"
-
-        if buffer.shape != NULL:
-            free(buffer.shape)
-        Py_DECREF(self)
-
     def __richcmp__(this, that, int op):
         if type(this) != type(that):
             raise TypeError, "Cannot compare %s with %s" % (type(this), type(that))

pygpu/tests/test_collectives.py

@@ -88,13 +88,6 @@ def test_richcmp(self):
         with self.assertRaises(TypeError):
             a = cid2 > "asdfasfa"
 
-    def test_as_buffer(self):
-        a = np.asarray(self.cid)
-        assert np.allclose(a, self.cid.comm_id)
-        a[:] = [ord(b'a')] * COMM_ID_BYTES
-        assert np.allclose(a, self.cid.comm_id)
-
-
 @unittest.skipUnless(MPI_IMPORTED, "Needs mpi4py module")
 @unittest.skipIf(get_user_gpu_rank() == -1, "Collective operations supported on CUDA devices only")
 class TestGpuComm(unittest.TestCase):