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/***************************************************************************************************
* Copyright (c) 2017 - 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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**************************************************************************************************/
/*! \file
\brief unit tests for tensor layout
*/
#include "../common/cutlass_unit_test.h"
#include "cutlass/layout/tensor.h"
#include "cutlass/tensor_coord.h"
/////////////////////////////////////////////////////////////////////////////////////////////////
namespace test {
namespace layout {
void test_NHWC_layout(int n_size, int h_size, int w_size, int c_size) {
int ldc = c_size + 1;
int ldw = ldc * (w_size + 2);
int ldh = ldw * (h_size + 3);
cutlass::layout::TensorNHWC::Stride tensor_stride({ ldc, ldw, ldh });
cutlass::layout::TensorNHWC tensor_nhwc(tensor_stride);
// test pointer offset
for (int n_idx = 0; n_idx < n_size; n_idx++) {
for (int h_idx = 0; h_idx < h_size; h_idx++) {
for (int w_idx = 0; w_idx < w_size; w_idx++) {
for (int c_idx = 0; c_idx < c_size; c_idx++) {
cutlass::Tensor4DCoord tensor_coord(n_idx, h_idx, w_idx, c_idx);
auto ptr_offset = tensor_nhwc(tensor_coord);
decltype(ptr_offset) reference_offset = c_idx +
w_idx * ldc +
h_idx * ldw +
n_idx * ldh;
EXPECT_EQ(ptr_offset, reference_offset);
}
}
}
}
// test stride
auto stride = tensor_nhwc.stride();
EXPECT_EQ(stride, tensor_stride);
// test capacity
auto capacity = tensor_nhwc.capacity(cutlass::Tensor4DCoord(n_size, h_size, w_size, c_size));
decltype(capacity) referece_capacity = ldh * n_size;
EXPECT_EQ(capacity, referece_capacity);
// test packed
auto packed_tensor_layout = tensor_nhwc.packed(cutlass::Tensor4DCoord(n_size, h_size, w_size, c_size));
auto packed_stride = packed_tensor_layout.stride();
EXPECT_EQ(packed_stride, cutlass::layout::TensorNHWC::Stride({ c_size, w_size * c_size, h_size * w_size * c_size }));
}
void test_NCHW_layout(int n_size, int c_size, int h_size, int w_size) {
int ldw = w_size + 1;
int ldh = ldw * (h_size + 2);
int ldc = ldh * (c_size + 1);
cutlass::layout::TensorNCHW::Stride tensor_stride({ ldw, ldh, ldc });
cutlass::layout::TensorNCHW tensor_nchw(tensor_stride);
// test pointer offset
for (int n_idx = 0; n_idx < n_size; n_idx++) {
for (int c_idx = 0; c_idx < c_size; c_idx++) {
for (int h_idx = 0; h_idx < w_size; h_idx++) {
for (int w_idx = 0; w_idx < c_size; w_idx++) {
// tensor4DCoord is always created in nhwc order
cutlass::Tensor4DCoord tensor_coord(n_idx, h_idx, w_idx, c_idx);
auto ptr_offset = tensor_nchw(tensor_coord);
decltype(ptr_offset) reference_offset = w_idx +
h_idx * ldw +
c_idx * ldh +
n_idx * ldc;
EXPECT_EQ(ptr_offset, reference_offset);
}
}
}
}
// test stride
auto stride = tensor_nchw.stride();
EXPECT_EQ(stride, tensor_stride);
// test capacity
auto capacity = tensor_nchw.capacity(cutlass::Tensor4DCoord(n_size, h_size, w_size, c_size));
decltype(capacity) referece_capacity = ldc * n_size;
EXPECT_EQ(capacity, referece_capacity);
// test packed
auto packed_tensor_layout = tensor_nchw.packed(cutlass::Tensor4DCoord(n_size, h_size, w_size, c_size));
auto packed_stride = packed_tensor_layout.stride();
EXPECT_EQ(packed_stride, cutlass::layout::TensorNHWC::Stride({ w_size, w_size * h_size, w_size * h_size * c_size }));
}
} // namespace layout
} // namespace test
/////////////////////////////////////////////////////////////////////////////////////////////////
TEST(Layout_Tensor, NHWC_32_12_10_14) {
int n_size = 32;
int h_size = 12;
int w_size = 10;
int c_size = 14;
test::layout::test_NHWC_layout(n_size, h_size, w_size, c_size);
}
/////////////////////////////////////////////////////////////////////////////////////////////////
TEST(Layout_Tensor, NCHW_32_12_10_14) {
int n_size = 32;
int c_size = 12;
int h_size = 10;
int w_size = 14;
test::layout::test_NCHW_layout(n_size, c_size, h_size, w_size);
}
/////////////////////////////////////////////////////////////////////////////////////////////////
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