add some fixes in SYCL memory assignmet from host (#905)

Author: shssf

dpnp/backend/kernels/dpnp_krnl_common.cpp

@@ -149,7 +149,7 @@ void dpnp_dot_c(void* result_out,
             std::reduce(policy, local_mem, local_mem + input1_size, _DataType_output(0), std::plus<_DataType_output>());
         policy.queue().wait();
 
-        result[0] = accumulator; // TODO use memcpy_c
+        dpnp_memory_memcpy_c(result, &accumulator, sizeof(_DataType_output)); // result[0] = accumulator;
 
         free(local_mem, DPNP_QUEUE);
     }

dpnp/backend/kernels/dpnp_krnl_linalg.cpp

@@ -360,7 +360,8 @@ void dpnp_matrix_rank_c(void* array1_in, void* result1, size_t* shape, size_t nd
     _DataType* result = reinterpret_cast<_DataType*>(result1);
 
     size_t elems = 1;
-    result[0] = 0;
+    const _DataType init_val = 0;
+    dpnp_memory_memcpy_c(result, &init_val, sizeof(_DataType)); // result[0] = 0;
     if (ndim > 1)
     {
         elems = shape[0];

dpnp/backend/kernels/dpnp_krnl_mathematical.cpp

@@ -459,7 +459,8 @@ void dpnp_trapz_c(
 
     if (array1_size < 2)
     {
-        result[0] = 0; // TODO make it on SYCL QUEUE via memcpy
+        const _DataType_output init_val = 0;
+        dpnp_memory_memcpy_c(result, &init_val, sizeof(_DataType_output)); // result[0] = 0;
         return;
     }
 

dpnp/backend/kernels/dpnp_krnl_reduction.cpp

@@ -79,7 +79,12 @@ void dpnp_sum_c(void* result_out,
 
     if (!input_shape && !input_shape_ndim)
     { // it is a scalar
-        result[0] = input[0];
+        //result[0] = input[0];
+        _DataType_input input_elem = 0;
+        _DataType_output result_elem = 0;
+        dpnp_memory_memcpy_c(&input_elem, input, sizeof(_DataType_input));
+        result_elem = input_elem;
+        dpnp_memory_memcpy_c(result, &result_elem, sizeof(_DataType_output));
 
         return;
     }
@@ -116,7 +121,7 @@ void dpnp_sum_c(void* result_out,
             policy, input_it.begin(output_id), input_it.end(output_id), init, std::plus<_DataType_output>());
         policy.queue().wait(); // TODO move out of the loop
 
-        result[output_id] = accumulator;
+        dpnp_memory_memcpy_c(&(result[output_id]), &accumulator, sizeof(_DataType_output)); // result[output_id] = accumulator;
     }
 
     return;
@@ -149,7 +154,12 @@ void dpnp_prod_c(void* result_out,
 
     if (!input_shape && !input_shape_ndim)
     { // it is a scalar
-        result[0] = input[0];
+        // result[0] = input[0];
+        _DataType_input input_elem = 0;
+        _DataType_output result_elem = 0;
+        dpnp_memory_memcpy_c(&input_elem, input, sizeof(_DataType_input));
+        result_elem = input_elem;
+        dpnp_memory_memcpy_c(result, &result_elem, sizeof(_DataType_output));
 
         return;
     }
@@ -167,7 +177,7 @@ void dpnp_prod_c(void* result_out,
             policy, input_it.begin(output_id), input_it.end(output_id), init, std::multiplies<_DataType_output>());
         policy.queue().wait(); // TODO move out of the loop
 
-        result[output_id] = accumulator;
+        dpnp_memory_memcpy_c(&(result[output_id]), &accumulator, sizeof(_DataType_output)); // result[output_id] = accumulator;
     }
 
     return;

dpnp/backend/kernels/dpnp_krnl_searching.cpp

@@ -44,7 +44,8 @@ void dpnp_argmax_c(void* array1_in, void* result1, size_t size)
     _DataType* res = std::max_element(policy, array_1, array_1 + size);
     policy.queue().wait();
 
-    result[0] = std::distance(array_1, res);
+    _idx_DataType result_val = std::distance(array_1, res);
+    dpnp_memory_memcpy_c(result, &result_val, sizeof(_idx_DataType)); // result[0] = std::distance(array_1, res);
 
     return;
 }
@@ -64,7 +65,8 @@ void dpnp_argmin_c(void* array1_in, void* result1, size_t size)
     _DataType* res = std::min_element(policy, array_1, array_1 + size);
     policy.queue().wait();
 
-    result[0] = std::distance(array_1, res);
+    _idx_DataType result_val = std::distance(array_1, res);
+    dpnp_memory_memcpy_c(result, &result_val, sizeof(_idx_DataType)); // result[0] = std::distance(array_1, res);
 
     return;
 }