[ONNX] Handle dynamic input axes for prim_ConstantChunk #48176
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💊 CI failures summary and remediationsAs of commit 1929925 (more details on the Dr. CI page):
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zhangguanheng66
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module: onnx
BowenBao
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Nov 19, 2020
BowenBao
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Nov 23, 2020
Codecov Report
@@ Coverage Diff @@
## master #48176 +/- ##
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- Coverage 80.92% 80.92% -0.01%
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Files 1855 1855
Lines 200195 200224 +29
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+ Hits 162009 162025 +16
- Misses 38186 38199 +13 |
bzinodev
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When converting a model that uses
torch.chunk, it does not work when we have a dynamic input axes, becauseSplitsplit attr is static for opset 11. Therefore, we convert it usingSlice(support opset 11+). This PR also handles the cases that the input axes cannot be divided by the number of outputs. Pytorch works a way that fit the first (n-1) outputs for the same dim, and remaining for the last one. Added UT for it.The existing code on
sequencesplitcannot be leveraged here, becausestart,endofSliceare static there, but dynamic here.