Resize: Optimize block sizes, use dynamic amount of shared mem.

[mzient]

Category:

Other Optimization

Description:

This PR fixes the low GPU utilization issue in resize kernel.
It does 3 things:

• reduces the size of the logical block (more blocks = better occupancy)
• reduces the size of the physical block
• computes the amount of shared memory required dynamically instead of always requiring 32kB

Additional information:

Affected modules and functionalities:

Resize, operators derived from ResizeBase.

Key points relevant for the review:

Tests:

python/operator_2/resize_test.py
resampling kernel tests

• Existing tests apply
• New tests added
  • Python tests
  • GTests
  • Benchmark
  • Other
• N/A

Checklist

Documentation

• Existing documentation applies
• Documentation updated
  • Docstring
  • Doxygen
  • RST
  • Jupyter
  • Other
• N/A

DALI team only

Requirements

• Implements new requirements
• Affects existing requirements
• N/A

REQ IDs: N/A

JIRA TASK: DALI-3813

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