[CPU EP] Add blocked quantization to DequantizeLinear op kernel #20901
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fajin-corp
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Jun 3, 2024
fajin-corp
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Jun 4, 2024
yufenglee
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Jun 4, 2024
yufenglee
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Jun 4, 2024
yufenglee
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Jun 4, 2024
yufenglee
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Jun 4, 2024
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Description
Added blocked quantization to DequantizeLinear op kernel. All existing input types and output types are supported. All axes are supported.
The implementation in the PR is naive - single thread and scalar instructions. Multi-threading and vector instructions are planned in the future based on the needs.
Motivation and Context
onnx introduced blocked quantization in opset 21 for DequantizeLinear. This PR adds the spec support in onnx runtime.