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-rw-r--r--src/runtime/heuristics/dwc_native/ClDWCNativeDefaultConfigValhall.cpp19
1 files changed, 17 insertions, 2 deletions
diff --git a/src/runtime/heuristics/dwc_native/ClDWCNativeDefaultConfigValhall.cpp b/src/runtime/heuristics/dwc_native/ClDWCNativeDefaultConfigValhall.cpp
index 49485c83a9..d0ade1bdd7 100644
--- a/src/runtime/heuristics/dwc_native/ClDWCNativeDefaultConfigValhall.cpp
+++ b/src/runtime/heuristics/dwc_native/ClDWCNativeDefaultConfigValhall.cpp
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2022 Arm Limited.
+ * Copyright (c) 2022-2023 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
@@ -283,15 +283,30 @@ DWCComputeKernelInfo ClDWCNativeDefaultConfigValhall::configure_G77_f16(const IT
desc.n0 = adjust_vec_size(desc.n0, kernel_c);
// Set m0 only if stride_x == 1 and dilation_x == 1
+ // m0 affects the number of rows to load from the input tensor. In fact, when depth_multiplier = 1, the number of rows
+ // loaded from the input tensors are -> kernel_width - (M0 - 1)
+ // The bigger the kernel_width, the smaller the M0 to avoid register spilling.
if(conv_info.stride().first == 1 && dilation.x() == 1)
{
+ // When the kernel width and kernel height are unit, it means that we have a pointwise multiplication. Therefore, M0 can be 1
if((kernel_w >= 9) || (kernel_w == 1))
{
desc.m0 = 1;
}
else
{
- desc.m0 = 2;
+ switch(kernel_w)
+ {
+ case 3:
+ desc.m0 = 4;
+ break;
+ case 5:
+ desc.m0 = 3;
+ break;
+ default:
+ desc.m0 = 2;
+ break;
+ }
}
}
else