Matmul_nbits kernel for mlas sqnbits to support Fp16 inputs #21807
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Signed-off-by: Liqun Fu <liqfu@microsoft.com>
Signed-off-by: Liqun Fu <liqfu@microsoft.com>
Signed-off-by: Liqun Fu <liqfu@microsoft.com>
Signed-off-by: liqunfu <liqun.fu@microsoft.com>
Signed-off-by: liqunfu <liqun.fu@microsoft.com>
Signed-off-by: Liqun Fu <liqfu@microsoft.com>
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Signed-off-by: Liqun Fu <liqfu@microsoft.com>
Signed-off-by: Liqun Fu <liqfu@microsoft.com>
Signed-off-by: Liqun Fu <liqfu@microsoft.com>
Signed-off-by: Liqun Fu <liqfu@microsoft.com>
Signed-off-by: Liqun Fu <liqfu@microsoft.com>
yufenglee
reviewed
Sep 10, 2024
yufenglee
reviewed
Sep 10, 2024
Signed-off-by: liqunfu <liqun.fu@microsoft.com>
Signed-off-by: Liqun Fu <liqfu@microsoft.com>
Signed-off-by: Liqun Fu <liqfu@microsoft.com>
Signed-off-by: Liqun Fu <liqfu@microsoft.com>
Signed-off-by: Liqun Fu <liqfu@microsoft.com>
Signed-off-by: Liqun Fu <liqfu@microsoft.com>
Signed-off-by: Liqun Fu <liqfu@microsoft.com>
fajin-corp
reviewed
Sep 13, 2024
| bias_data_v.resize((const unsigned int)(bias->Shape().Size())); | ||
| ConvertFp16ToFp32(bias_data, &bias_data_v[0], bias_data_v.size()); | ||
| } | ||
| std::vector<float> C_v((const unsigned int)(y->Shape().Size())); |
axodox
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to axodox/onnxruntime
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this pull request
Sep 22, 2024
…icrosoft#21807)" This reverts commit a89bddd.
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Description
There are 2 ways to support Fp16:
At low level to use fp16 specific instructions:
Matmul-nbit to support fp16 activation #21760
This requires instruction support and, in case of avx, halfgemm support which is missing.
this PR can complete after blksum compute is moved away from sgemm (https://github.com/microsoft/onnxruntime/tree/liqun/blksum)
Convert Fp16 to Fp32 and use the mlas Fp32 version.
This PR is to implement the second approach.
Motivation and Context
support Fp16