Add put example

example/50_put_element/CMakeLists.txt

+add_example_executable(example_put_element_fp16 put_element_fp16.cpp)

example/50_put_element/put_element_fp16.cpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2023, Advanced Micro Devices, Inc. All rights reserved.
+
+#include <iostream>
+
+#include "ck/ck.hpp"
+#include "ck/tensor_operation/gpu/device/tensor_layout.hpp"
+#include "ck/tensor_operation/gpu/device/impl/device_put_element_impl.hpp"
+#include "ck/tensor_operation/gpu/element/element_wise_operation.hpp"
+
+#include "ck/library/utility/check_err.hpp"
+#include "ck/library/utility/device_memory.hpp"
+#include "ck/library/utility/host_tensor.hpp"
+#include "ck/library/utility/host_tensor_generator.hpp"
+
+using XDataType     = ck::half_t;
+using YDataType     = ck::half_t;
+using IndexDataType = int32_t;
+
+using YElementwiseOp = ck::tensor_operation::element_wise::PassThrough;
+
+using DeviceInstance =
+    ck::tensor_operation::device::DevicePutElementImpl<XDataType,     // XDataType
+                                                       IndexDataType, // IndexDataType
+                                                       YDataType,     // YDataType
+                                                       YElementwiseOp,
+                                                       ck::InMemoryDataOperationEnum::Set,
+                                                       1>;
+
+int main()
+{
+    bool do_verification = true;
+    bool time_kernel     = false;
+
+    int N = 1024;
+
+    Tensor<XDataType> x(HostTensorDescriptor{N, 1});
+    Tensor<IndexDataType> indices(HostTensorDescriptor{N, 1});
+    Tensor<YDataType> y(HostTensorDescriptor{N, 1});
+
+    x.GenerateTensorValue(GeneratorTensor_3<XDataType>{-1.0, 1.0});
+    for(int i = 0; i < N; ++i)
+        indices(i) = i;
+
+    DeviceMem x_device_buf(sizeof(XDataType) * x.mDesc.GetElementSpaceSize());
+    DeviceMem y_device_buf(sizeof(YDataType) * y.mDesc.GetElementSpaceSize());
+    DeviceMem indices_device_buf(sizeof(IndexDataType) * indices.mDesc.GetElementSpaceSize());
+
+    x_device_buf.ToDevice(x.mData.data());
+    indices_device_buf.ToDevice(indices.mData.data());
+
+    auto put_instance     = DeviceInstance{};
+    auto put_invoker_ptr  = put_instance.MakeInvokerPointer();
+    auto put_argument_ptr = put_instance.MakeArgumentPointer(
+        static_cast<XDataType*>(x_device_buf.GetDeviceBuffer()),
+        static_cast<IndexDataType*>(indices_device_buf.GetDeviceBuffer()),
+        static_cast<YDataType*>(y_device_buf.GetDeviceBuffer()),
+        N,
+        N,
+        YElementwiseOp{});
+
+    if(!put_instance.IsSupportedArgument(put_argument_ptr.get()))
+    {
+        throw std::runtime_error("argument is not supported!");
+    }
+
+    float ave_time =
+        put_invoker_ptr->Run(put_argument_ptr.get(), StreamConfig{nullptr, time_kernel});
+
+    std::cout << "perf: " << ave_time << " ms" << std::endl;
+
+    bool pass = true;
+    if(do_verification)
+    {
+        Tensor<YDataType> y_host(HostTensorDescriptor{N, 1});
+
+        for(int i = 0; i < N; ++i)
+        {
+            IndexDataType idx = indices(i);
+            y_host(idx)       = x(i);
+        }
+
+        y_device_buf.FromDevice(y.mData.data());
+        pass = ck::utils::check_err(y, y_host);
+    }
+
+    return pass;
+}

include/ck/host_utility/stream_utility.hpp

@@ -8,7 +8,7 @@
 #include "ck/stream_config.hpp"
 #include "ck/host_utility/hip_check_error.hpp"
 
-static int getAvailableComputeUnitCount(const StreamConfig& stream_config)
+static inline int getAvailableComputeUnitCount(const StreamConfig& stream_config)
 {
     constexpr int MAX_MASK_DWORDS = 64;