COMPMID-511: Port FixedPoint arithmetic to new validation

Change-Id: Iae85c195a4ecdaf6df1d0055f3ad09582d128dc1
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/88669
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>

2 files changed, 227 insertions, 0 deletions

diff --git a/tests/validation/CL/FixedPoint/FixedPointTarget.h b/tests/validation/CL/FixedPoint/FixedPointTarget.h
new file mode 100644
index 0000000000..38473545d9
--- /dev/null
+++ b/tests/validation/CL/FixedPoint/FixedPointTarget.h
@@ -0,0 +1,131 @@
+/*
+ * 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.
+ */
+#ifndef ARM_COMPUTE_TEST_FIXED_POINT_CL_TARGET
+#define ARM_COMPUTE_TEST_FIXED_POINT_CL_TARGET
+
+#include "arm_compute/runtime/CL/CLScheduler.h"
+
+#include "tests/Globals.h"
+#include "tests/Types.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace
+{
+template <typename TensorType, typename AccessorType, typename T>
+void compute_target_impl(const TensorShape &shape, DataType dt, FixedPointOp op, int fixed_point_position, TensorType &src, TensorType &dst)
+{
+    std::string fixed_point_operation_kernel;
+#ifndef EMBEDDED_KERNELS
+    std::cout << "EMBEDDED_KERNELS NOT DEFINED" << std::endl;
+
+    fixed_point_operation_kernel += "#include \"fixed_point.h\"\n";
+#endif /* EMBEDDED_KERNELS */
+    fixed_point_operation_kernel +=
+        "__kernel void fixed_point_operation_qs8(                                                                 \n"
+        "   __global char* src,                                                                                   \n"
+        "   __global char* dst)                                                                                   \n"
+        "{                                                                                                        \n"
+        "   char16 in = vload16(0, src + get_global_id(0) * 16);                                                  \n"
+        "   if(FIXED_POINT_OP == 0)                                                                               \n"
+        "   {                                                                                                     \n"
+        "       vstore16(EXP_OP_EXPAND(in, DATA_TYPE, 16, FIXED_POINT_POS), 0, dst + get_global_id(0) * 16);      \n"
+        "   }                                                                                                     \n"
+        "   else if(FIXED_POINT_OP == 1)                                                                          \n"
+        "   {                                                                                                     \n"
+        "       vstore16(INVSQRT_OP_EXPAND(in, DATA_TYPE, 16, FIXED_POINT_POS), 0, dst + get_global_id(0) * 16);  \n"
+        "   }                                                                                                     \n"
+        "   else                                                                                                  \n"
+        "   {                                                                                                     \n"
+        "       vstore16(LOG_OP_EXPAND(in, DATA_TYPE, 16, FIXED_POINT_POS), 0, dst + get_global_id(0) * 16);      \n"
+        "   }                                                                                                     \n"
+        "}                                                                                                        \n"
+        "\n";
+
+    // Set build options
+    std::string build_opts = "-DFIXED_POINT_POS=" + support::cpp11::to_string(fixed_point_position);
+    build_opts += " -DDATA_TYPE=qs8";
+
+    // Fill tensors.
+    int min = 0;
+    int max = 0;
+    switch(op)
+    {
+        case(FixedPointOp::EXP):
+            min = -(1 << (fixed_point_position - 1));
+            max = (1 << (fixed_point_position - 1));
+            build_opts += " -DFIXED_POINT_OP=0";
+            break;
+        case(FixedPointOp::INV_SQRT):
+            min = 1;
+            max = (dt == DataType::QS8) ? 0x7F : 0x7FFF;
+            build_opts += " -DFIXED_POINT_OP=1";
+            break;
+        case(FixedPointOp::LOG):
+            min = (1 << (fixed_point_position - 1));
+            max = (dt == DataType::QS8) ? 0x3F : 0x3FFF;
+            build_opts += " -DFIXED_POINT_OP=2";
+            break;
+        default:
+            ARM_COMPUTE_ERROR("Fixed point operation not supported");
+            break;
+    }
+
+    std::uniform_int_distribution<> distribution(min, max);
+    library->fill(AccessorType(src), distribution, 0);
+
+    std::vector<std::string> sources;
+
+#ifndef EMBEDDED_KERNELS
+    build_opts += " -I" + CLKernelLibrary::get().get_kernel_path();
+#else  /* EMBEDDED_KERNELS */
+    sources.push_back(CLKernelLibrary::get().get_program_source("fixed_point.h"));
+#endif /* EMBEDDED_KERNELS */
+
+    sources.push_back(fixed_point_operation_kernel);
+
+    // Create program
+    ::cl::Program program(sources);
+
+    // Build program
+    program.build(build_opts.c_str());
+
+    ::cl::Kernel kernel(program, "fixed_point_operation_qs8", nullptr);
+
+    unsigned int idx = 0;
+    kernel.setArg(idx++, src.cl_buffer());
+    kernel.setArg(idx++, dst.cl_buffer());
+
+    ::cl::NDRange gws(shape[0] / 16, 1, 1);
+    CLScheduler::get().queue().enqueueNDRangeKernel(kernel, 0, gws);
+}
+} // namespace
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_TEST_FIXED_POINT_TARGET */
diff --git a/tests/validation/CL/FixedPoint/FixedPoint_QS8.cpp b/tests/validation/CL/FixedPoint/FixedPoint_QS8.cpp
new file mode 100644
index 0000000000..0fb464112a
--- /dev/null
+++ b/tests/validation/CL/FixedPoint/FixedPoint_QS8.cpp
@@ -0,0 +1,96 @@
+/*
+ * 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 "FixedPointTarget.h"
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+#include "arm_compute/runtime/CL/CLTensorAllocator.h"
+#include "tests/CL/CLAccessor.h"
+#include "tests/PaddingCalculator.h"
+#include "tests/datasets/ShapeDatasets.h"
+#include "tests/framework/Asserts.h"
+#include "tests/framework/Macros.h"
+#include "tests/framework/datasets/Datasets.h"
+#include "tests/validation/Validation.h"
+#include "tests/validation/fixtures/FixedPointFixture.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace
+{
+constexpr AbsoluteTolerance<float> tolerance_exp(1.0f);     /**< Tolerance value for comparing reference's output against implementation's output  (exponential)*/
+constexpr AbsoluteTolerance<float> tolerance_invsqrt(4.0f); /**< Tolerance value for comparing reference's output against implementation's output (inverse square-root) */
+constexpr AbsoluteTolerance<float> tolerance_log(5.0f);     /**< Tolerance value for comparing reference's output against implementation's output (logarithm) */
+} // namespace
+
+TEST_SUITE(CL)
+TEST_SUITE(FixedPoint)
+TEST_SUITE(QS8)
+
+template <typename T>
+using CLFixedPointFixture = FixedPointValidationFixture<CLTensor, CLAccessor, T>;
+
+TEST_SUITE(Exp)
+FIXTURE_DATA_TEST_CASE(RunSmall, CLFixedPointFixture<int8_t>, framework::DatasetMode::ALL, combine(combine(combine(datasets::Small1DShape(), framework::dataset::make("DataType",
+                                                                                                                   DataType::QS8)),
+                                                                                                           framework::dataset::make("FixedPointOp", FixedPointOp::EXP)),
+                                                                                                   framework::dataset::make("FractionalBits", 1, 6)))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference, tolerance_exp);
+}
+TEST_SUITE_END()
+
+TEST_SUITE(Log)
+FIXTURE_DATA_TEST_CASE(RunSmall, CLFixedPointFixture<int8_t>, framework::DatasetMode::ALL, combine(combine(combine(datasets::Small1DShape(), framework::dataset::make("DataType",
+                                                                                                                   DataType::QS8)),
+                                                                                                           framework::dataset::make("FixedPointOp", FixedPointOp::LOG)),
+                                                                                                   framework::dataset::make("FractionalBits", 3, 6)))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference, tolerance_log);
+}
+TEST_SUITE_END()
+
+TEST_SUITE(Invsqrt)
+FIXTURE_DATA_TEST_CASE(RunSmall, CLFixedPointFixture<int8_t>, framework::DatasetMode::ALL, combine(combine(combine(datasets::Small1DShape(), framework::dataset::make("DataType",
+                                                                                                                   DataType::QS8)),
+                                                                                                           framework::dataset::make("FixedPointOp", FixedPointOp::INV_SQRT)),
+                                                                                                   framework::dataset::make("FractionalBits", 1, 6)))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference, tolerance_invsqrt);
+}
+TEST_SUITE_END()
+
+TEST_SUITE_END()
+TEST_SUITE_END()
+TEST_SUITE_END()
+} // namespace validation
+} // namespace test
+} // namespace arm_compute