S390x test fixes#27404

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tianleiwu merged 30 commits intomicrosoft:mainfrom

AlekseiNikiforovIBM:s390x_test_fixes

Mar 31, 2026

Commits on Mar 6, 2026

Fix build on s390x when training is disabled
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Fix byteswapping raw data stored in bigger data types
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Add byteswapping in all overloads of SetRawDataInTensorProto
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Fix SparseTensorConversionTests.TestConstantNodeConversion test on s390x
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Fix byte order in SparsifyGeneric function
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Fix test SparseTensorConversionTests.TestDenseToSparseConversion on s390x
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Remove excessive byteswapping in Graph::Graph
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Remove big-endian-specific exceptions
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Byteswap dimensions obtained from flatbuffer structures
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Add byteswapping in CopyTensorDataToByteSpan function
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Add byteswap after calling set_raw_data in various functions in MegatronTransformer class
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Replace most TensorProto::set_raw_data calls with SetRawDataInTensorProto
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Fix unpacking raw data in tests
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Apply lint fixes
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Byteswap external memory data too when saving ort model
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Byteswap data when saving it to external file
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Don't do excessive byteswapping in UnpackTensorWithExternalDataImpl function
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Write test file in little endian in SparseTensorConversionTests.TestConstantNodeConversion test
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Move byteswapping to saving tensor to file
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Commits on Mar 17, 2026

Fix byteswapping in TensorProtoWithExternalDataToTensorProto
AlekseiNikiforovIBM
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Commits on Mar 20, 2026

Commits on Mar 23, 2026

Split utils::kTensorProtoMemoryAddressTag
AlekseiNikiforovIBM
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Commits on Mar 25, 2026

Commits on Mar 26, 2026

Add missing headers
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Commits on Mar 27, 2026

Add missing casts when creating gls::span
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Commits on Mar 30, 2026