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Rely on Dask's ability to serialize collections #307

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Jun 5, 2020
Merged

Rely on Dask's ability to serialize collections #307

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19 changes: 3 additions & 16 deletions dask_cuda/device_host_file.py
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Original file line number Diff line number Diff line change
Expand Up @@ -41,27 +41,14 @@ def __sizeof__(self):

@dask_serialize.register(DeviceSerialized)
def device_serialize(obj):
headers = []
all_frames = []
for part in obj.parts:
header, frames = serialize(part)
header["frame-start-stop"] = [len(all_frames), len(all_frames) + len(frames)]
headers.append(header)
all_frames.extend(frames)

headers, frames = serialize(obj.parts)
header = {"sub-headers": headers, "main-header": obj.header}

return header, all_frames
return header, frames


@dask_deserialize.register(DeviceSerialized)
def device_deserialize(header, frames):
parts = []
for sub_header in header["sub-headers"]:
start, stop = sub_header.pop("frame-start-stop")
part = deserialize(sub_header, frames[start:stop])
parts.append(part)

parts = deserialize(header["sub-headers"], frames)
return DeviceSerialized(header["main-header"], parts)


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