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[ARROW-2542] [Plasma] Refactor object notification code - Arrow - [issue]
...Replace unique_ptr<uint8_t[]> with vector<uint8_t>...
http://issues.apache.org/jira/browse/ARROW-2542    Author: Philipp Moritz , 2019-04-17, 16:01
[ARROW-2127] [Plasma] Transfer of objects between CPUs and GPUs - Arrow - [issue]
...It should be possible to transfer an object that was created on the CPU to the GPU and vice versa. One natural implementation is to introduce a flag to plasma::Get that specifies where the o...
http://issues.apache.org/jira/browse/ARROW-2127    Author: Philipp Moritz , 2019-04-17, 16:01
[ARROW-3919] [Python] Support 64 bit indices for pyarrow.serialize and pyarrow.deserialize - Arrow - [issue]
...see https://github.com/modin-project/modin/issues/266...
http://issues.apache.org/jira/browse/ARROW-3919    Author: Philipp Moritz , 2019-04-17, 15:57
[ARROW-4452] [Python] Serializing sparse torch tensors - Arrow - [issue]
...Using the pytorch serialization handler on sparse Tensors:import torchi = torch.LongTensor([[0, 2], [1, 0], [1, 2]])v = torch.FloatTensor([3,      4,      5    ])tensor = torch.sparse.FloatT...
http://issues.apache.org/jira/browse/ARROW-4452    Author: Philipp Moritz , 2019-04-17, 15:57
[ARROW-4025] [Python] TensorFlow/PyTorch arrow ThreadPool workarounds not working in some settings - Arrow - [issue]
...See the bug report in https://github.com/ray-project/ray/issues/3520I wonder if we can revisit this issue and try to get rid of the workarounds we tried to deploy in the past.See also the di...
http://issues.apache.org/jira/browse/ARROW-4025    Author: Philipp Moritz , 2019-04-17, 15:55
[ARROW-1266] [Plasma] Move heap allocations to arrow memory pool - Arrow - [issue]
...At the moment we are allocating memory with std::vectors and even new in some places, this should be cleaned up....
http://issues.apache.org/jira/browse/ARROW-1266    Author: Philipp Moritz , 2019-04-17, 15:53
[ARROW-4757] [C++] Nested chunked array support - Arrow - [issue]
...Dear all,I'm currently trying to lift the 2GB limit on the python serialization. For this, I implemented a chunked union builder to split the array into smaller arrays.However, some of the c...
http://issues.apache.org/jira/browse/ARROW-4757    Author: Philipp Moritz , 2019-04-17, 15:52
[ARROW-1692] [Python, Java] UnionArray round trip not working - Arrow - [issue]
...I'm currently working on making pyarrow.serialization data available from the Java side, one problem I was running into is that it seems the Java implementation cannot read UnionArrays gener...
http://issues.apache.org/jira/browse/ARROW-1692    Author: Philipp Moritz , 2019-04-17, 15:50
[ARROW-5022] [C++] Implement more "Datum" types for AggregateKernel - Arrow - [issue]
...Currently it gives the following error if the datum isn't an array:AggregateKernel expects Array datum...
http://issues.apache.org/jira/browse/ARROW-5022    Author: Philipp Moritz , 2019-04-17, 15:49
[ARROW-5002] [C++] Implement GroupBy - Arrow - [issue]
...Dear all,I wonder what the best way forward is for implementing GroupBy kernels. Initially this was part ofhttps://issues.apache.org/jira/browse/ARROW-4124but is not contained in the current...
http://issues.apache.org/jira/browse/ARROW-5002    Author: Philipp Moritz , 2019-04-17, 15:48