From 299025a35f4349993547df88c8724a6049b7e10e Mon Sep 17 00:00:00 2001
From: Pablo Tello <pablo.tello@arm.com>
Date: Fri, 29 Sep 2017 11:30:12 +0100
Subject: COMPMID-417: Port GEMMLowp test to the new validation framework.

Change-Id: I7bbe0f19a7255a37a6b0ce8c4d0bb57cf21c4bfb
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/89677
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
---
 tests/validation/CPP/GEMMLowp.cpp | 78 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 tests/validation/CPP/GEMMLowp.cpp

(limited to 'tests/validation/CPP/GEMMLowp.cpp')

diff --git a/tests/validation/CPP/GEMMLowp.cpp b/tests/validation/CPP/GEMMLowp.cpp
new file mode 100644
index 0000000000..d172a773b6
--- /dev/null
+++ b/tests/validation/CPP/GEMMLowp.cpp
@@ -0,0 +1,78 @@
+/*
+ * 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> gemmlowp(const SimpleTensor<T> &a, const SimpleTensor<T> &b, SimpleTensor<T> &c,
+                         int32_t a_offset, int32_t b_offset, int32_t c_offset, int32_t c_mult_int, int32_t out_shift)
+{
+    const int            K       = a.shape().x();
+    const int            b_width = b.shape().x();
+    const int            rows    = c.shape().y(); //M
+    const int            cols    = c.shape().x(); //N
+    std::vector<int32_t> acc;
+    acc.resize(cols);
+    for(int i = 0; i < rows; ++i)
+    {
+        for(int j = 0; j < cols; ++j)
+        {
+            acc[j] = 0;
+        }
+        for(int k = 0; k < K; ++k)
+        {
+            const int32_t tmp_a = a_offset + static_cast<int32_t>(a[k + i * K]);
+            for(int j = 0; j < b_width; ++j)
+            {
+                const int32_t tmp_b       = b_offset + static_cast<int32_t>(b[j + k * b_width]);
+                const int32_t mult_as_int = tmp_a * tmp_b;
+                acc[j] += mult_as_int;
+            }
+        }
+        for(int j = 0; j < cols; ++j)
+        {
+            const int32_t result = ((c_offset + acc[j]) * c_mult_int) >> out_shift;
+            c[j + i * cols]      = static_cast<uint8_t>(std::min(255, std::max(0, result)));
+        }
+    }
+
+    return c;
+}
+
+template SimpleTensor<uint8_t> gemmlowp(const SimpleTensor<uint8_t> &a, const SimpleTensor<uint8_t> &b, SimpleTensor<uint8_t> &c,
+                                        int32_t a_offset, int32_t b_offset, int32_t c_offset, int32_t c_mult_int, int32_t out_shift);
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
-- 
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