feat(quantization): add activation export handler hook - #81
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- Let an out-of-tree package register a per-granularity activation export handler for graph or eager mode, so a granularity the built-in Core AI path cannot express (per-block, dynamic qparams) can be exported without patching this repo. - Allow an e8m0 `scale_dtype` on integer dtypes, gated in `QuantizationSpec.validate_scale_dtype` to `PerBlockGranularity` + `SYMMETRIC` + `ZP`, with `E8M0_TARGET_MAX_POW2` as the single source of truth for which dtypes have an e8m0 target exponent. - Extract the export test workflow into `export_utils.run_export_test`, a common function now shared by the eager-MIL, eager-MLIR and graph-mode-MLIR test files; it reads the execution mode from the config, so one helper covers both modes. - Also reject an e8m0 scale on integer weights in `finalize`, and share the qparam extraction and activation validation between the eager and graph export paths.
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Will create a new one after addressing some comments offline with @vineet-g |
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scale_dtypeon integer dtypes, gated inQuantizationSpec.validate_scale_dtypetoPerBlockGranularity+SYMMETRIC+ZP, withE8M0_TARGET_MAX_POW2as the single source of truth for which dtypes have an e8m0 target exponent.export_utils.run_export_test, a common function now shared by the eager-MIL, eager-MLIR and graph-mode-MLIR test files; it reads the execution mode from the config, so one helper covers both modes.finalize, and share the qparam extraction and activation validation between the eager and graph export paths.