Merge branch 'develop' into amd-develop

.clang-tidy

 CheckOptions:
   - key: bugprone-reserved-identifier.AllowedIdentifiers
-    value: '__HIP_PLATFORM_HCC__;__HIP_ROCclr__'
+    value: '__HIP_PLATFORM_HCC__;__HIP_PLATFORM_AMD__;__HIP_ROCclr__'

CMakeLists.txt

@@ -61,6 +61,7 @@ endif()
 
 #for f8/bf8_t type
 add_compile_options(-Wno-bit-int-extension)
+add_compile_options(-Wno-pass-failed)
 
 if(DL_KERNELS)
     add_definitions(-DDL_KERNELS)
@@ -243,7 +244,11 @@ if( DEFINED CK_OVERRIDE_HIP_VERSION_PATCH )
 endif()
 message(STATUS "Build with HIP ${HIP_VERSION}")
 link_libraries(hip::device)
-add_compile_definitions(__HIP_PLATFORM_HCC__=1)
+if(CK_hip_VERSION VERSION_GREATER_EQUAL 6.0.23494)
+    add_compile_definitions(__HIP_PLATFORM_AMD__=1)
+else()
+    add_compile_definitions(__HIP_PLATFORM_HCC__=1)
+endif()
 
 ## tidy
 include(EnableCompilerWarnings)

client_example/01_gemm/gemm.cpp

@@ -185,6 +185,7 @@ int main(int argc, char* argv[])
               << best_gb_per_sec << " GB/s, " << best_op_name << std::endl;
 
     // run the best intance
+    if(found)
     {
         auto& op_ptr = op_ptrs[best_op_id];
 

client_example/02_gemm_add_add_fastgelu/gemm_add_add_fastgelu.cpp

@@ -204,6 +204,7 @@ int main(int argc, char* argv[])
               << best_gb_per_sec << " GB/s, " << best_op_name << std::endl;
 
     // run the best intance
+    if(found)
     {
         auto& op_ptr = op_ptrs[best_op_id];
 

client_example/02_gemm_add_add_fastgelu/gemm_add_fastgelu.cpp

@@ -197,6 +197,7 @@ int main(int argc, char* argv[])
               << best_gb_per_sec << " GB/s, " << best_op_name << std::endl;
 
     // run the best intance
+    if(found)
     {
         auto& op_ptr = op_ptrs[best_op_id];
 

client_example/02_gemm_add_add_fastgelu/gemm_fastgelu.cpp

@@ -190,6 +190,7 @@ int main(int argc, char* argv[])
               << best_gb_per_sec << " GB/s, " << best_op_name << std::endl;
 
     // run the best intance
+    if(found)
     {
         auto& op_ptr = op_ptrs[best_op_id];
 

client_example/03_gemm_layernorm/gemm_add_relu_add_layernorm_welford.cpp

@@ -200,6 +200,7 @@ int main(int argc, char* argv[])
               << best_op_name << std::endl;
 
     // run the best intance
+    if(found)
     {
         auto& op_ptr = op_ptrs[best_op_id];
 

client_example/05_layernorm/CMakeLists.txt

+add_executable(client_layernorm2d_bwd_data layernorm2d_bwd_data.cpp)
+target_link_libraries(client_layernorm2d_bwd_data PRIVATE composable_kernel::device_other_operations)
+
 add_executable(client_layernorm2d_fwd layernorm2d_fwd.cpp)
 target_link_libraries(client_layernorm2d_fwd PRIVATE composable_kernel::device_other_operations)
 

client_example/05_layernorm/layernorm2d_bwd_data.cpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2023, Advanced Micro Devices, Inc. All rights reserved.
+
+#include <iomanip>
+#include <vector>
+#include <iostream>
+
+#include "ck/ck.hpp"
+#include "ck/tensor_operation/gpu/device/tensor_layout.hpp"
+#include "ck/tensor_operation/gpu/device/device_normalization_bwd_data.hpp"
+#include "ck/tensor_operation/gpu/element/element_wise_operation.hpp"
+
+#include "ck/library/tensor_operation_instance/gpu/layernorm_bwd_data.hpp"
+
+using DYDataType         = float;
+using XDataType          = float;
+using GammaDataType      = float;
+using MeanInvStdDataType = float;
+using DXDataType         = float;
+
+constexpr int Rank         = 2;
+constexpr int NumReduceDim = 1;
+
+struct SimpleDeviceMem
+{
+    SimpleDeviceMem() = delete;
+
+    SimpleDeviceMem(std::size_t mem_size) : p_mem_{}
+    {
+        (void)hipMalloc(static_cast<void**>(&p_mem_), mem_size);
+    }
+
+    void* GetDeviceBuffer() { return p_mem_; }
+
+    ~SimpleDeviceMem() { (void)hipFree(p_mem_); }
+
+    void* p_mem_;
+};
+
+int main(int argc, char* argv[])
+{
+    ck::index_t M = 1024;
+    ck::index_t N = 1024;
+
+    SimpleDeviceMem dy_dev(sizeof(DYDataType) * M * N);
+    SimpleDeviceMem x_dev(sizeof(XDataType) * M * N);
+    SimpleDeviceMem gamma_dev(sizeof(GammaDataType) * N);
+    SimpleDeviceMem mean_dev(sizeof(MeanInvStdDataType) * M);
+    SimpleDeviceMem inv_std_dev(sizeof(MeanInvStdDataType) * M);
+    SimpleDeviceMem dx_dev(sizeof(DXDataType) * M * N);
+
+    using DeviceOp = ck::tensor_operation::device::DeviceNormalizationBwdData<DYDataType,
+                                                                              XDataType,
+                                                                              GammaDataType,
+                                                                              MeanInvStdDataType,
+                                                                              DXDataType,
+                                                                              Rank,
+                                                                              NumReduceDim>;
+
+    // get device op instances
+    const auto op_ptrs = ck::tensor_operation::device::instance::DeviceOperationInstanceFactory<
+        DeviceOp>::GetInstances();
+
+    std::cout << "found " << op_ptrs.size() << " instances" << std::endl;
+
+    std::string best_op_name;
+    bool found            = false;
+    int best_op_id        = -1;
+    float best_ave_time   = std::numeric_limits<float>::max();
+    float best_gb_per_sec = 0;
+
+    // profile device operation instances
+    std::cout << "Run all instances and do timing" << std::endl;
+
+    for(int i = 0; i < op_ptrs.size(); ++i)
+    {
+        auto& op_ptr = op_ptrs[i];
+
+        auto argument_ptr = op_ptr->MakeArgumentPointer({M, N}, // lengths
+                                                        {N, 1}, // dyStrides
+                                                        {N, 1}, // xStrides
+                                                        {0, 1}, // gammaStrides
+                                                        {1, 0}, // meanStrides
+                                                        {1, 0}, // invStdStrides
+                                                        {N, 1}, // dxStrides
+                                                        {1},    // reduceDims
+                                                        dy_dev.GetDeviceBuffer(),
+                                                        x_dev.GetDeviceBuffer(),
+                                                        gamma_dev.GetDeviceBuffer(),
+                                                        mean_dev.GetDeviceBuffer(),
+                                                        inv_std_dev.GetDeviceBuffer(),
+                                                        dx_dev.GetDeviceBuffer());
+
+        auto invoker_ptr = op_ptr->MakeInvokerPointer();
+
+        std::string op_name = op_ptr->GetTypeString();
+
+        if(op_ptr->IsSupportedArgument(argument_ptr.get()))
+        {
+            size_t workspace_sz = op_ptr->GetWorkSpaceSize(argument_ptr.get());
+            SimpleDeviceMem workspace(workspace_sz);
+            op_ptr->SetWorkSpacePointer(argument_ptr.get(), workspace.GetDeviceBuffer());
+
+            float ave_time = invoker_ptr->Run(argument_ptr.get(), StreamConfig{nullptr, true});
+
+            std::size_t num_byte = sizeof(DYDataType) * M * N + sizeof(XDataType) * M * N +
+                                   sizeof(GammaDataType) * N + sizeof(MeanInvStdDataType) * M * 2 +
+                                   sizeof(DXDataType) * M * N;
+
+            float gb_per_sec = num_byte / 1.E6 / ave_time;
+
+            std::cout << "Perf: " << std::setw(10) << ave_time << " ms, " << gb_per_sec << " GB/s, "
+                      << op_name << std::endl;
+
+            if(ave_time < best_ave_time)
+            {
+                found           = true;
+                best_op_id      = i;
+                best_op_name    = op_name;
+                best_ave_time   = ave_time;
+                best_gb_per_sec = gb_per_sec;
+            }
+        }
+        else
+        {
+            std::cout << op_name << " does not support this problem" << std::endl;
+        }
+    }
+
+    std::cout << "Best Perf: " << best_ave_time << " ms, " << best_gb_per_sec << " GB/s, "
+              << best_op_name << std::endl;
+
+    // run the best intance
+    if(found)
+    {
+        auto& op_ptr = op_ptrs[best_op_id];
+        std::cout << "Run the best instance without timing: " << op_ptr->GetTypeString()
+                  << std::endl;
+
+        auto argument_ptr = op_ptr->MakeArgumentPointer({M, N}, // lengths
+                                                        {N, 1}, // dyStrides
+                                                        {N, 1}, // xStrides
+                                                        {0, 1}, // gammaStrides
+                                                        {1, 0}, // meanStrides
+                                                        {1, 0}, // invStdStrides
+                                                        {N, 1}, // dxStrides
+                                                        {1},    // reduceDims
+                                                        dy_dev.GetDeviceBuffer(),
+                                                        x_dev.GetDeviceBuffer(),
+                                                        gamma_dev.GetDeviceBuffer(),
+                                                        mean_dev.GetDeviceBuffer(),
+                                                        inv_std_dev.GetDeviceBuffer(),
+                                                        dx_dev.GetDeviceBuffer());
+
+        auto invoker_ptr = op_ptr->MakeInvokerPointer();
+
+        if(op_ptr->IsSupportedArgument(argument_ptr.get()))
+        {
+            size_t workspace_sz = op_ptr->GetWorkSpaceSize(argument_ptr.get());
+            SimpleDeviceMem workspace(workspace_sz);
+            op_ptr->SetWorkSpacePointer(argument_ptr.get(), workspace.GetDeviceBuffer());
+
+            invoker_ptr->Run(argument_ptr.get(), StreamConfig{nullptr, false});
+        }
+
+        std::cout << "Done" << std::endl;
+    }
+
+    return 0;
+}

client_example/05_layernorm/layernorm2d_fwd.cpp

@@ -16,7 +16,7 @@ using XDataType              = ck::half_t;
 using GammaDataType          = ck::half_t;
 using BetaDataType           = ck::half_t;
 using YDataType              = ck::half_t;
-using SaveMeanInvStdDataType = float;
+using SaveMeanInvStdDataType = ck::half_t;
 using PassThrough            = ck::tensor_operation::element_wise::PassThrough;
 
 #define SAVE_MEAN_INV_STD
@@ -150,6 +150,7 @@ int main(int argc, char* argv[])
               << best_op_name << std::endl;
 
     // run the best intance
+    if(found)
     {
         auto& op_ptr = op_ptrs[best_op_id];
         std::cout << "Run the best instance without timing: " << op_ptr->GetTypeString()

client_example/05_layernorm/layernorm4d_fwd.cpp

@@ -16,7 +16,7 @@ using XDataType              = ck::half_t;
 using GammaDataType          = ck::half_t;
 using BetaDataType           = ck::half_t;
 using YDataType              = ck::half_t;
-using SaveMeanInvStdDataType = float;
+using SaveMeanInvStdDataType = ck::half_t;
 using PassThrough            = ck::tensor_operation::element_wise::PassThrough;
 
 #define SAVE_MEAN_INV_STD
@@ -155,6 +155,7 @@ int main(int argc, char* argv[])
               << best_op_name << std::endl;
 
     // run the best intance
+    if(found)
     {
         auto& op_ptr = op_ptrs[best_op_id];
         std::cout << "Run the best instance without timing: " << op_ptr->GetTypeString()

client_example/06_softmax/softmax4d.cpp

@@ -140,6 +140,7 @@ int main(int argc, char* argv[])
               << best_op_name << std::endl;
 
     // run the best intance
+    if(found)
     {
         auto& op_ptr = op_ptrs[best_op_id];
         std::cout << "Run the best instance without timing: " << op_ptr->GetTypeString()

client_example/12_elementwise_normalization/elementwise_layernorm2d.cpp

@@ -142,6 +142,7 @@ int main()
               << best_op_name << std::endl;
 
     // run the best intance
+    if(found)
     {
         auto& op_ptr = op_ptrs[best_op_id];
         std::cout << "Run the best instance without timing: " << op_ptr->GetTypeString()

client_example/15_gemm_add_multiply/gemm_add_multiply.cpp

@@ -204,6 +204,7 @@ int main(int argc, char* argv[])
               << best_gb_per_sec << " GB/s, " << best_op_name << std::endl;
 
     // run the best intance
+    if(found)
     {
         auto& op_ptr = op_ptrs[best_op_id];
 

client_example/18_groupnorm/CMakeLists.txt

-add_executable(client_groupnorm_swish groupnorm_swish.cpp)
-target_link_libraries(client_groupnorm_swish PRIVATE composable_kernel::device_other_operations)
+add_executable(client_groupnorm_bwd_data groupnorm_bwd_data.cpp)
+target_link_libraries(client_groupnorm_bwd_data PRIVATE composable_kernel::device_other_operations)
+
+add_executable(client_groupnorm_swish_fwd groupnorm_swish_fwd.cpp)
+target_link_libraries(client_groupnorm_swish_fwd PRIVATE composable_kernel::device_other_operations)

client_example/18_groupnorm/groupnorm_bwd_data.cpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2023, Advanced Micro Devices, Inc. All rights reserved.
+
+#include <iomanip>
+#include <vector>
+#include <iostream>
+
+#include "ck/ck.hpp"
+#include "ck/tensor_operation/gpu/device/tensor_layout.hpp"
+#include "ck/tensor_operation/gpu/device/device_normalization_bwd_data.hpp"
+#include "ck/tensor_operation/gpu/element/element_wise_operation.hpp"
+
+#include "ck/library/tensor_operation_instance/gpu/groupnorm_bwd_data.hpp"
+
+using DYDataType         = float;
+using XDataType          = float;
+using GammaDataType      = float;
+using MeanInvStdDataType = float;
+using DXDataType         = float;
+
+constexpr int Rank         = 5;
+constexpr int NumReduceDim = 3;
+
+struct SimpleDeviceMem
+{
+    SimpleDeviceMem() = delete;
+
+    SimpleDeviceMem(std::size_t mem_size) : p_mem_{}
+    {
+        (void)hipMalloc(static_cast<void**>(&p_mem_), mem_size);
+    }
+
+    void* GetDeviceBuffer() { return p_mem_; }
+
+    ~SimpleDeviceMem() { (void)hipFree(p_mem_); }
+
+    void* p_mem_;
+};
+
+int main(int argc, char* argv[])
+{
+    ck::index_t N = 32;
+    ck::index_t H = 16;
+    ck::index_t W = 16;
+    ck::index_t G = 64;
+    ck::index_t C = 128;
+
+    std::size_t length = N * H * W * G * C;
+
+    std::vector<ck::index_t> strideDy = {H * W * G * C, W * G * C, G * C, C, 1};
+    std::vector<ck::index_t> strideX  = strideDy;
+    std::vector<ck::index_t> strideDx = strideDy;
+
+    std::vector<ck::index_t> strideGamma      = {0, 0, 0, C, 1};
+    std::vector<ck::index_t> strideMeanInvStd = {G, 0, 0, 1, 0};
+
+    SimpleDeviceMem dy_dev(sizeof(DYDataType) * length);
+    SimpleDeviceMem x_dev(sizeof(XDataType) * length);
+    SimpleDeviceMem gamma_dev(sizeof(GammaDataType) * G * C);
+    SimpleDeviceMem mean_dev(sizeof(MeanInvStdDataType) * N * G);
+    SimpleDeviceMem inv_std_dev(sizeof(MeanInvStdDataType) * N * G);
+    SimpleDeviceMem dx_dev(sizeof(DXDataType) * length);
+
+    using DeviceOp = ck::tensor_operation::device::DeviceNormalizationBwdData<DYDataType,
+                                                                              XDataType,
+                                                                              GammaDataType,
+                                                                              MeanInvStdDataType,
+                                                                              DXDataType,
+                                                                              Rank,
+                                                                              NumReduceDim>;
+
+    // get device op instances
+    const auto op_ptrs = ck::tensor_operation::device::instance::DeviceOperationInstanceFactory<
+        DeviceOp>::GetInstances();
+
+    std::cout << "found " << op_ptrs.size() << " instances" << std::endl;
+
+    std::string best_op_name;
+    bool found            = false;
+    int best_op_id        = -1;
+    float best_ave_time   = std::numeric_limits<float>::max();
+    float best_gb_per_sec = 0;
+
+    // profile device operation instances
+    std::cout << "Run all instances and do timing" << std::endl;
+
+    for(int i = 0; i < op_ptrs.size(); ++i)
+    {
+        auto& op_ptr      = op_ptrs[i];
+        auto argument_ptr = op_ptr->MakeArgumentPointer({N, H, W, G, C},
+                                                        strideDy,
+                                                        strideX,
+                                                        strideGamma,
+                                                        strideMeanInvStd,
+                                                        strideMeanInvStd,
+                                                        strideDx,
+                                                        {1, 2, 4}, // reduceDims
+                                                        dy_dev.GetDeviceBuffer(),
+                                                        x_dev.GetDeviceBuffer(),
+                                                        gamma_dev.GetDeviceBuffer(),
+                                                        mean_dev.GetDeviceBuffer(),
+                                                        inv_std_dev.GetDeviceBuffer(),
+                                                        dx_dev.GetDeviceBuffer());
+
+        auto invoker_ptr = op_ptr->MakeInvokerPointer();
+
+        std::string op_name = op_ptr->GetTypeString();
+
+        if(op_ptr->IsSupportedArgument(argument_ptr.get()))
+        {
+            size_t workspace_sz = op_ptr->GetWorkSpaceSize(argument_ptr.get());
+            SimpleDeviceMem workspace(workspace_sz);
+            op_ptr->SetWorkSpacePointer(argument_ptr.get(), workspace.GetDeviceBuffer());
+
+            float ave_time = invoker_ptr->Run(argument_ptr.get(), StreamConfig{nullptr, true});
+
+            std::size_t num_byte = sizeof(DYDataType) * length + sizeof(XDataType) * length +
+                                   sizeof(GammaDataType) * G * C +
+                                   sizeof(MeanInvStdDataType) * N * G * 2 +
+                                   sizeof(DXDataType) * length;
+
+            float gb_per_sec = num_byte / 1.E6 / ave_time;
+
+            std::cout << "Perf: " << std::setw(10) << ave_time << " ms, " << gb_per_sec << " GB/s, "
+                      << op_name << std::endl;
+
+            if(ave_time < best_ave_time)
+            {
+                found           = true;
+                best_op_id      = i;
+                best_op_name    = op_name;
+                best_ave_time   = ave_time;
+                best_gb_per_sec = gb_per_sec;
+            }
+        }
+        else
+        {
+            std::cout << op_name << " does not support this problem" << std::endl;
+        }
+    }
+
+    // run the best intance
+    if(found)
+    {
+        std::cout << "Best Perf: " << best_ave_time << " ms, " << best_gb_per_sec << " GB/s, "
+                  << best_op_name << std::endl;
+
+        auto& op_ptr = op_ptrs[best_op_id];
+        std::cout << "Run the best instance without timing: " << op_ptr->GetTypeString()
+                  << std::endl;
+
+        auto argument_ptr = op_ptr->MakeArgumentPointer({N, H, W, G, C},
+                                                        strideDy,
+                                                        strideX,
+                                                        strideGamma,
+                                                        strideMeanInvStd,
+                                                        strideMeanInvStd,
+                                                        strideDx,
+                                                        {1, 2, 4}, // reduceDims
+                                                        dy_dev.GetDeviceBuffer(),
+                                                        x_dev.GetDeviceBuffer(),
+                                                        gamma_dev.GetDeviceBuffer(),
+                                                        mean_dev.GetDeviceBuffer(),
+                                                        inv_std_dev.GetDeviceBuffer(),
+                                                        dx_dev.GetDeviceBuffer());
+
+        auto invoker_ptr = op_ptr->MakeInvokerPointer();
+
+        if(op_ptr->IsSupportedArgument(argument_ptr.get()))
+        {
+            size_t workspace_sz = op_ptr->GetWorkSpaceSize(argument_ptr.get());
+            SimpleDeviceMem workspace(workspace_sz);
+            op_ptr->SetWorkSpacePointer(argument_ptr.get(), workspace.GetDeviceBuffer());
+
+            invoker_ptr->Run(argument_ptr.get(), StreamConfig{nullptr, false});
+        }
+
+        std::cout << "Done" << std::endl;
+    }
+
+    return 0;
+}

client_example/19_pool/avg_pool3d_fwd.cpp

@@ -94,7 +94,6 @@ int main(int argc, char* argv[])
 
     SimpleDeviceMem in_device_buf(sizeof(InDataType) * in_tensor_size);
     SimpleDeviceMem out_device_buf(sizeof(OutDataType) * out_tensor_size);
-    SimpleDeviceMem out_indices_device_buf(sizeof(IndexDataType) * out_tensor_size);
 
     using DeviceOp = ck::tensor_operation::device::DevicePoolFwd<InOutRank,
                                                                  WindowRank,
@@ -123,22 +122,22 @@ int main(int argc, char* argv[])
 
     for(int i = 0; i < op_ptrs.size(); ++i)
     {
-        auto& op_ptr      = op_ptrs[i];
-        auto argument_ptr = op_ptr->MakeArgumentPointer(
-            static_cast<InDataType*>(in_device_buf.GetDeviceBuffer()),
-            static_cast<OutDataType*>(out_device_buf.GetDeviceBuffer()),
-            static_cast<IndexDataType*>(out_indices_device_buf.GetDeviceBuffer()),
-            in_length,
-            window_spatial_lengths,
-            out_length,
-            in_tensor_stride,
-            out_tensor_stride,
-            out_tensor_stride,
-            window_strides,
-            window_dilations,
-            input_left_pads,
-            input_right_pads,
-            {2, 3, 4});
+        auto& op_ptr = op_ptrs[i];
+        auto argument_ptr =
+            op_ptr->MakeArgumentPointer(static_cast<InDataType*>(in_device_buf.GetDeviceBuffer()),
+                                        static_cast<OutDataType*>(out_device_buf.GetDeviceBuffer()),
+                                        nullptr,
+                                        in_length,
+                                        window_spatial_lengths,
+                                        out_length,
+                                        in_tensor_stride,
+                                        out_tensor_stride,
+                                        out_tensor_stride,
+                                        window_strides,
+                                        window_dilations,
+                                        input_left_pads,
+                                        input_right_pads,
+                                        {2, 3, 4});
 
         auto invoker_ptr = op_ptr->MakeInvokerPointer();
 
@@ -184,21 +183,21 @@ int main(int argc, char* argv[])
         std::cout << "Run the best instance without timing: " << op_ptr->GetTypeString()
                   << std::endl;
 
-        auto argument_ptr = op_ptr->MakeArgumentPointer(
-            static_cast<InDataType*>(in_device_buf.GetDeviceBuffer()),
-            static_cast<OutDataType*>(out_device_buf.GetDeviceBuffer()),
-            static_cast<IndexDataType*>(out_indices_device_buf.GetDeviceBuffer()),
-            in_length,
-            window_spatial_lengths,
-            out_length,
-            in_tensor_stride,
-            out_tensor_stride,
-            out_tensor_stride,
-            window_strides,
-            window_dilations,
-            input_left_pads,
-            input_right_pads,
-            {2, 3, 4});
+        auto argument_ptr =
+            op_ptr->MakeArgumentPointer(static_cast<InDataType*>(in_device_buf.GetDeviceBuffer()),
+                                        static_cast<OutDataType*>(out_device_buf.GetDeviceBuffer()),
+                                        nullptr,
+                                        in_length,
+                                        window_spatial_lengths,
+                                        out_length,
+                                        in_tensor_stride,
+                                        out_tensor_stride,
+                                        out_tensor_stride,
+                                        window_strides,
+                                        window_dilations,
+                                        input_left_pads,
+                                        input_right_pads,
+                                        {2, 3, 4});
 
         auto invoker_ptr = op_ptr->MakeInvokerPointer();
 

client_example/20_splitk_gemm/splitK_gemm_fp16_f8.cpp

@@ -191,6 +191,7 @@ int main(int argc, char* argv[])
               << best_gb_per_sec << " GB/s, " << best_op_name << std::endl;
 
     // run the best intance
+    if(found)
     {
         auto& op_ptr = op_ptrs[best_op_id];
 

client_example/23_elementwise_transpose/elementwise_transpose_3d.cpp

@@ -117,6 +117,7 @@ int main()
               << best_op_name << std::endl;
 
     // run the best intance
+    if(found)
     {
         auto& op_ptr = op_ptrs[best_op_id];
         std::cout << "Run the best instance without timing: " << op_ptr->GetTypeString()