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Diffstat (limited to 'src/gpu/cl/kernels/ClScatterKernel.cpp')
-rw-r--r--src/gpu/cl/kernels/ClScatterKernel.cpp114
1 files changed, 89 insertions, 25 deletions
diff --git a/src/gpu/cl/kernels/ClScatterKernel.cpp b/src/gpu/cl/kernels/ClScatterKernel.cpp
index c95e156679..9c25b63c72 100644
--- a/src/gpu/cl/kernels/ClScatterKernel.cpp
+++ b/src/gpu/cl/kernels/ClScatterKernel.cpp
@@ -27,17 +27,26 @@
#include "arm_compute/core/ITensorPack.h"
#include "arm_compute/core/TensorInfo.h"
#include "arm_compute/core/Utils.h"
+#include "arm_compute/core/utils/helpers/AdjustVecSize.h"
#include "src/common/utils/Log.h"
#include "src/core/helpers/WindowHelpers.h"
#include "support/Cast.h"
+#include <cstdint>
+
namespace arm_compute
{
namespace opencl
{
namespace kernels
{
+
+namespace
+{
+constexpr int max_index_length = 5;
+} // namespace
+
ClScatterKernel::ClScatterKernel()
{
}
@@ -47,21 +56,33 @@ Status ClScatterKernel::validate(const ITensorInfo *updates,
const ITensorInfo *dst,
const ScatterInfo &info)
{
- ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(updates, dst);
- ARM_COMPUTE_ERROR_ON_DATA_TYPE_NOT_IN(indices, DataType::S32);
- ARM_COMPUTE_ERROR_ON_DATA_TYPE_NOT_IN(dst, DataType::F32);
- ARM_COMPUTE_RETURN_ERROR_ON_MSG(dst->num_dimensions() > 1, "Only 1D output tensors are currently supported.");
- ARM_COMPUTE_RETURN_ERROR_ON_MSG(indices->num_dimensions() > 2, "Only 2D indices tensors are currently supported.");
- ARM_COMPUTE_RETURN_ERROR_ON_MSG(updates->num_dimensions() > 1, "Only 1D update tensors are currently supported.");
+ ARM_COMPUTE_UNUSED(info);
+
+ const TensorShape &ind_shape = indices->tensor_shape();
+ const TensorShape &upt_shape = updates->tensor_shape();
+ const TensorShape &dst_shape = dst->tensor_shape();
+
+ const int32_t upt_dims = upt_shape.num_dimensions();
+ const int32_t dst_dims = dst_shape.num_dimensions();
+ const int32_t ind_dims = ind_shape.num_dimensions();
+
+ const int32_t index_len = ind_shape[0];
+
+ ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(updates, dst);
+ ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_NOT_IN(indices, DataType::S32);
+ ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_NOT_IN(dst, DataType::F32);
+ ARM_COMPUTE_RETURN_ERROR_ON_MSG(ind_dims > 2, "Only 2D indices tensors are currently supported.");
ARM_COMPUTE_RETURN_ERROR_ON_MSG(
- indices->tensor_shape().y() != updates->tensor_shape()[updates->num_dimensions() - 1],
+ ind_shape[1] != upt_shape[upt_dims - 1],
"Height of indices tensor should match size of highest dimension in updates tensor.");
- ARM_COMPUTE_RETURN_ERROR_ON_MSG(updates->num_dimensions() > dst->num_dimensions(),
- "Update tensor cannot have more dims than output tensor.");
- ARM_COMPUTE_UNUSED(info);
+ ARM_COMPUTE_RETURN_ERROR_ON_MSG(upt_dims > dst_dims, "Update tensor cannot have more dims than output tensor.");
+
+ ARM_COMPUTE_RETURN_ERROR_ON_MSG(index_len > max_index_length, "Maximum supported index length is 5!");
+ ARM_COMPUTE_RETURN_ERROR_ON(index_len != dst_dims - upt_dims + 1);
return Status{};
}
+
void ClScatterKernel::configure(const ClCompileContext &compile_context,
const ITensorInfo *updates,
const ITensorInfo *indices,
@@ -71,22 +92,51 @@ void ClScatterKernel::configure(const ClCompileContext &compile_context,
ARM_COMPUTE_ERROR_ON_NULLPTR(updates, dst, indices);
ARM_COMPUTE_LOG_PARAMS(updates, indices, dst, info);
- // Configure kernel window
- const auto indices_shape = indices->tensor_shape();
- Window win = calculate_max_window(
- *indices, Steps(indices_shape.x(), indices_shape.y())); // Ensures single thread for deterministic output.
+ const TensorShape &dst_shape = dst->tensor_shape();
+
+ const bool is_scalar_block = updates->num_dimensions() == 1;
+ const int n0 = adjust_vec_size(16 / updates->element_size(), is_scalar_block ? 1 : updates->dimension(0));
+
+ const int partial_n0 = updates->dimension(0) % n0;
+
+ // The GWS will be 2D [x, y]
+ // x-dimension refers to the x coordinate of the dst tensor
+ // y-dimension refers to the collapsed y-coordinate of the data part of the dst tensor
+ Window win = calculate_max_window(dst_shape, Steps(n0));
+ const int index_len = indices->dimension(0);
+
+ // Collapse the dimensions corresponding to indices in the execution window
+ for (int i = 0; i < index_len; ++i)
+ {
+ win.set(dst->num_dimensions() - (i + 1), Window::Dimension(0, 1, 1));
+ }
+
+ win = win.collapse(win, 1);
// Set build options
CLBuildOptions build_opts;
build_opts.add_option("-DDATA_TYPE=" + get_cl_type_from_data_type(dst->data_type()));
- build_opts.add_option("-DINDICES_DIMS=" + support::cpp11::to_string(indices->num_dimensions()));
- build_opts.add_option("-DINDICES_SHAPE_Y=" + support::cpp11::to_string(indices_shape.y()));
- build_opts.add_option("-DOUT_SHAPE_X=" + support::cpp11::to_string(dst->tensor_shape().x()));
+
+ const int num_dims = dst->num_dimensions();
+
+ build_opts.add_option("-DNUM_INDICES=" + support::cpp11::to_string(indices->dimension(1)));
+ build_opts.add_option("-DINDEX_LENGTH=" + support::cpp11::to_string(index_len));
+
+ // We provide 5 variables to use in a constant array
+ for (int i = 1; i <= max_index_length; i++)
+ {
+ build_opts.add_option("-DOUT_SHAPE_N_MINUS_" + support::cpp11::to_string(i) + "=" +
+ support::cpp11::to_string(dst_shape[std::max(num_dims - i, 0)]));
+ }
+
+ build_opts.add_option("-DN0=" + support::cpp11::to_string(n0));
+ build_opts.add_option("-DPARTIAL_N0=" + support::cpp11::to_string(partial_n0));
switch (info.func)
{
case ScatterFunction::Update:
build_opts.add_option("-DSCATTER_FUNCTION=UPDATE_OP");
+ build_opts.add_option("-DSKIP_OUTPUT_READ");
break;
case ScatterFunction::Add:
build_opts.add_option("-DSCATTER_FUNCTION=ADD_OP");
@@ -105,9 +155,12 @@ void ClScatterKernel::configure(const ClCompileContext &compile_context,
}
// Create kernel
- std::string kernel_name("scatter1D");
+ std::string kernel_name = "scatter_mp1d_2d_mpnd";
+ build_opts.add_option("-D" + upper_string(kernel_name));
+
ICLKernel::configure_internal(win);
_kernel = create_kernel(compile_context, kernel_name, build_opts.options());
+
// Set config_id for enabling LWS tuning
_config_id = kernel_name;
_config_id += "_";
@@ -123,18 +176,29 @@ void ClScatterKernel::configure(const ClCompileContext &compile_context,
void ClScatterKernel::run_op(ITensorPack &tensors, const Window &window, cl::CommandQueue &queue)
{
- unsigned int idx = 0;
-
- Window window_collapsed = window.collapse_if_possible(ICLKernel::window(), Window::DimZ);
-
const auto updates =
utils::cast::polymorphic_downcast<const ICLTensor *>(tensors.get_const_tensor(TensorType::ACL_SRC_0));
const auto indices =
utils::cast::polymorphic_downcast<const ICLTensor *>(tensors.get_const_tensor(TensorType::ACL_SRC_1));
auto dst = utils::cast::polymorphic_downcast<ICLTensor *>(tensors.get_tensor(TensorType::ACL_DST));
- add_4D_tensor_argument(idx, updates, window_collapsed);
- add_4D_tensor_argument(idx, indices, window_collapsed);
- add_4D_tensor_argument(idx, dst, window_collapsed);
+
+ const ITensorInfo *dst_info = dst->info();
+ const int num_dims = dst_info->num_dimensions();
+
+ const int index_len = indices->info()->dimension(0);
+
+ // calculate m-dimensional data block strides in updates and destination tensors
+ const int upt_block_stride = updates->info()->strides_in_bytes()[updates->info()->num_dimensions() - 1];
+ const int out_block_stride = dst_info->strides_in_bytes()[num_dims - index_len];
+
+ unsigned int idx = 0;
+
+ add_2D_tensor_argument(idx, updates, window);
+ add_2D_tensor_argument(idx, indices, window);
+ add_2D_tensor_argument(idx, dst, window);
+
+ _kernel.setArg<cl_int>(idx++, upt_block_stride);
+ _kernel.setArg<cl_int>(idx++, out_block_stride);
enqueue(queue, *this, window, lws_hint());
}