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dnn(ocl): don't try KERNEL_TYPE_GEMM_LIKE with kernel_w > 16

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- OpenCL kernel code doesn't support that
This commit is contained in:
Alexander Alekhin 2023-12-21 13:16:22 +00:00
parent 8fc31ee9df
commit 99c94d3d83
1 changed files with 10 additions and 0 deletions
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10
modules/dnn/src/ocl4dnn/src/ocl4dnn_conv_spatial.cpp
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@ -1462,6 +1462,16 @@ void OCL4DNNConvSpatial<float>::generate_gemmlike_tuneritems(std::vector< cv::Pt
return;
}
// issue #24734
// OpenCL 1.2: https://registry.khronos.org/OpenCL/specs/opencl-1.2.pdf
// section 6.1.2 page 200: "Supported values of n are 2, 3, 4, 8, and 16 for all vector data types."
// besides of builtin types, kernel code defines extra types up to float15 (see float15 definition)
if (kernel_w_ > 16)
{
CV_LOG_DEBUG(NULL, "DNN/OCL: skip KERNEL_TYPE_GEMM_LIKE with blockMKN=[" << blockM << ", " << blockK << ", " << blockN << "] kernel=" << kernel_w_ << " x " << kernel_h_);
return;
}
tunerItems.push_back(makePtr<tunerParam>(KERNEL_TYPE_GEMM_LIKE, blockM, blockK, blockN));
}