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CoreML: Add ML Program ConvTranspose #21416

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merged 11 commits into from
Jul 24, 2024

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skottmckay
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Description

Add ML Program ConvTranspose

  • some limitations to simplify the implementation for now
  • some limitations due to flaky CoreML output

Added support for non-contiguous MLMultiArray output as we see that with some unit tests when the CPU-only flag is not set (e.g. innermost dim has min size of 16 but test output only has 8 values).

  • support only one non-contiguous dim to keep it simple
  • manually tested as we don't have a setup that can test objective-c code
  • test code is in model.mm and can be enabled via ifdef if we need to validate any future changes

Motivation and Context

Address operator gaps in high priority model.

- some limitations to simplify the implementation for now
- some limitations due to flaky CoreML output

Added support for non-contiguous MLMultiArray output as we see that with some unit tests when the CPU-only flag is not set (e.g. innermost dim has min size of 16 but test output only has 8 values).
- support only one non-contiguous dim to keep it simple
- manually tested as we don't have a setup that can test objective-c code
 - test code is in model.mm and can be enabled via ifdef if we need to validate any future changes
@skottmckay
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For reference, here are the bugs I logged for the CoreML behavior with output_shape being inconsistent

apple/coremltools#2281 - closed as not an issue with the coremltools python

https://feedbackassistant.apple.com/feedback/14400036

@skottmckay skottmckay merged commit 2580d93 into main Jul 24, 2024
97 of 99 checks passed
@skottmckay skottmckay deleted the skottmckay/CoreML_MLProgram_ConvTranspose_PR branch July 24, 2024 06:08
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2 participants