Use size_t to fix hiprtc compile errors (#2477)

src/targets/gpu/kernels/include/migraphx/kernels/gathernd.hpp

@@ -53,35 +53,35 @@ __device__ void gathernd(const T& data_t, const U& indices_t, const V& output_t,
     auto indices_shape_lens = indices_shape.lens;
     auto data_shape_lens    = data_shape.lens;
     auto num_slice_dims     = indices_shape_lens.back();
-    std::size_t num_slices =
+    size_t num_slices =
         accumulate(indices_shape_lens.begin(), indices_shape_lens.end() - 1, 1, op::product{});
-    std::size_t slice_size = accumulate(data_shape_lens.begin() + num_slice_dims + batch_dims,
+    size_t slice_size = accumulate(data_shape_lens.begin() + num_slice_dims + batch_dims,
                                    data_shape_lens.end(),
                                    1,
                                    op::product{});
-    const std::size_t num_batches =
+    const size_t num_batches =
         accumulate(data_shape_lens.begin(), data_shape_lens.begin() + batch_dims, 1, op::product{});
-    const std::size_t data_batch_stride =
+    const size_t data_batch_stride =
         accumulate(data_shape_lens.begin() + batch_dims, data_shape_lens.end(), 1, op::product{});
     const auto num_slices_per_batch = num_slices / num_batches;
 
     ind.global_stride(output_shape.elements(), [&](auto i) {
         const auto* indices_ptr     = indices_t.data();
-        const std::size_t j         = i / slice_size;
-        const std::size_t batch_idx = j / num_slices_per_batch;
+        const size_t j              = i / slice_size;
+        const size_t batch_idx      = j / num_slices_per_batch;
 
         auto* slice_indices               = indices_ptr + (j * num_slice_dims);
-        std::size_t relative_slice_offset = 0;
-        for(std::size_t idx = 0; idx < num_slice_dims; ++idx)
+        size_t relative_slice_offset      = 0;
+        for(size_t idx = 0; idx < num_slice_dims; ++idx)
         {
             int64_t index                   = slice_indices[idx];
-            const std::size_t input_dim_idx = batch_dims + idx;
+            const size_t input_dim_idx      = batch_dims + idx;
             const auto input_dim            = data_shape_lens[input_dim_idx];
             MIGRAPHX_ASSERT(index >= -static_cast<int64_t>(input_dim) and
                             index < static_cast<int64_t>(input_dim));
             if(index < 0)
                 index += input_dim;
-            std::size_t size_from_slice_dims =
+            size_t size_from_slice_dims =
                 accumulate(data_shape_lens.begin() + batch_dims + idx + 1,
                            data_shape_lens.begin() + batch_dims + num_slice_dims,
                            slice_size,

test/gpu/jit.cpp

@@ -139,7 +139,8 @@ const std::string math_template = R"__migraphx__(
 #include <migraphx/kernels/pointwise.hpp>
 #include <migraphx/kernels/math.hpp>
 #include <migraphx/kernels/types.hpp>
-using namespace migraphx;
+
+namespace migraphx {
 extern "C" {
 __global__ void kernel(${type}* p) 
 {
@@ -148,6 +149,7 @@ __global__ void kernel(${type}* p)
 
 }
 }
+}
 
 int main() {}