Hyunsik Choi created TAJO-1041:
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Summary: Change tuple-at-a-time execution model to block iteration.
Key: TAJO-1041
URL: https://issues.apache.org/jira/browse/TAJO-1041
Project: Tajo
Issue Type: Improvement
Reporter: Hyunsik Choi
Currently, our physical executor is based on a tuple-at-a-time model. It is a
traditional model and is well known that it is not inefficient in terms of CPU
costs.
Also, I think that we can design integrated interface for row block with
considering row block and vectorized row block. I'll add some possibility to
extend row block iteration model to be vectorized.
This is an umbrella issue, which is to change current execution model to block
iteration model.
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