COMPMID-592: Ported GEMMInterleave4x4 tests.

Change-Id: I161fa095b2b8a719bb152366294f62c1aad073ce
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/110463
Tested-by: BSG Visual Compute Jenkins server to access repositories on http://mpd-gerrit.cambridge.arm.com <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>

1 files changed, 89 insertions, 0 deletions

diff --git a/tests/validation/CPP/GEMMInterleave4x4.h b/tests/validation/CPP/GEMMInterleave4x4.h
new file mode 100644
index 0000000000..e6b09afb9a
--- /dev/null
+++ b/tests/validation/CPP/GEMMInterleave4x4.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "GEMM.h"
+
+#include "arm_compute/core/Types.h"
+#include "tests/validation/FixedPoint.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+template <typename T>
+SimpleTensor<T> gemm_interleave_4x4(const SimpleTensor<T> &in, SimpleTensor<T> &out)
+{
+    const T      *mtx_in     = reinterpret_cast<const T *>(in.data());
+    T            *mtx_ref    = reinterpret_cast<T *>(out.data());
+    const int32_t in_rows    = in.shape().y();
+    const int32_t in_cols    = in.shape().x();
+    const int32_t out_stride = out.shape().x();
+    int32_t       y          = 0;
+    for(; y <= (in_rows - 4); y += 4)
+    {
+        const T *in_ptr = &mtx_in[y * in_cols];
+
+        for(int32_t x = 0; x < in_cols; x++)
+        {
+            const T tmp[4] = { in_ptr[x + 0 * in_cols],
+                               in_ptr[x + 1 * in_cols],
+                               in_ptr[x + 2 * in_cols],
+                               in_ptr[x + 3 * in_cols]
+                             };
+
+            T *dst = &mtx_ref[static_cast<size_t>(x * 4.f) + static_cast<size_t>(std::ceil(y / 4.f)) * out_stride];
+            memcpy(dst, tmp, sizeof(T) * 4);
+        }
+    }
+
+    // Leftover along the Y direction
+    const int32_t leftover_y = in_rows - y;
+
+    if(leftover_y != 0)
+    {
+        const T *in_ptr = &mtx_in[y * in_cols];
+
+        for(int32_t x = 0; x < in_cols; x++)
+        {
+            T tmp[4] = { 0, 0, 0, 0 };
+
+            for(int32_t k = 0; k < leftover_y; k++)
+            {
+                tmp[k] = in_ptr[k * in_cols + x];
+            }
+            T *dst = &mtx_ref[static_cast<size_t>(x * 4.f) + static_cast<size_t>(std::ceil(y / 4.f)) * out_stride];
+            memcpy(dst, tmp, sizeof(T) * 4);
+        }
+    }
+
+    return out;
+}
+
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute