Break up core/Utils.h to reduce unused code being included everywhere

Makes a small difference to compile times and opens up other opportunities
to simplify code.

Change-Id: I232876910bbe4fa9719f4a0ce4a54c090faeb5ef
Signed-off-by: Matthew Bentham <Matthew.Bentham@arm.com>
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/c/VisualCompute/ComputeLibrary/+/532429
Tested-by: bsgcomp <bsgcomp@arm.com>
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/9856
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>

6 files changed, 345 insertions, 0 deletions

diff --git a/src/core/utils/ActivationFunctionUtils.cpp b/src/core/utils/ActivationFunctionUtils.cpp
new file mode 100644
index 0000000000..4854b8eb0b
--- /dev/null
+++ b/src/core/utils/ActivationFunctionUtils.cpp
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2016-2023 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 "arm_compute/core/utils/ActivationFunctionUtils.h"
+
+#include <map>
+
+namespace arm_compute
+{
+const std::string &string_from_activation_func(const ActivationFunction& act)
+{
+    static std::map<ActivationFunction, const std::string> act_map =
+    {
+        { ActivationFunction::ABS, "ABS" },
+        { ActivationFunction::LINEAR, "LINEAR" },
+        { ActivationFunction::LOGISTIC, "LOGISTIC" },
+        { ActivationFunction::RELU, "RELU" },
+        { ActivationFunction::BOUNDED_RELU, "BRELU" },
+        { ActivationFunction::LU_BOUNDED_RELU, "LU_BRELU" },
+        { ActivationFunction::LEAKY_RELU, "LRELU" },
+        { ActivationFunction::SOFT_RELU, "SRELU" },
+        { ActivationFunction::ELU, "ELU" },
+        { ActivationFunction::SQRT, "SQRT" },
+        { ActivationFunction::SQUARE, "SQUARE" },
+        { ActivationFunction::TANH, "TANH" },
+        { ActivationFunction::IDENTITY, "IDENTITY" },
+        { ActivationFunction::HARD_SWISH, "HARD_SWISH" },
+        { ActivationFunction::SWISH, "SWISH" },
+        { ActivationFunction::GELU, "GELU" }
+
+    };
+
+    return act_map[act];
+}
+
+} // namespace arm_compute
diff --git a/src/core/utils/DataLayoutUtils.cpp b/src/core/utils/DataLayoutUtils.cpp
new file mode 100644
index 0000000000..4919b79a42
--- /dev/null
+++ b/src/core/utils/DataLayoutUtils.cpp
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2016-2023 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 "arm_compute/core/utils/DataLayoutUtils.h"
+
+namespace arm_compute
+{
+
+const std::string &string_from_data_layout(DataLayout dl)
+{
+    static std::map<DataLayout, const std::string> dl_map =
+    {
+        { DataLayout::UNKNOWN, "UNKNOWN" },
+        { DataLayout::NCHW, "NCHW" },
+        { DataLayout::NHWC, "NHWC" },
+    };
+
+    return dl_map[dl];
+}
+
+} // namespace arm_compute
diff --git a/src/core/utils/DataTypeUtils.cpp b/src/core/utils/DataTypeUtils.cpp
new file mode 100644
index 0000000000..07999354d9
--- /dev/null
+++ b/src/core/utils/DataTypeUtils.cpp
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2016-2023 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 "arm_compute/core/utils/DataTypeUtils.h"
+
+#include <map>
+
+namespace arm_compute
+{
+const std::string &string_from_data_type(DataType dt)
+{
+    static std::map<DataType, const std::string> dt_map =
+    {
+        { DataType::UNKNOWN, "UNKNOWN" },
+        { DataType::S8, "S8" },
+        { DataType::U8, "U8" },
+        { DataType::S16, "S16" },
+        { DataType::U16, "U16" },
+        { DataType::S32, "S32" },
+        { DataType::U32, "U32" },
+        { DataType::S64, "S64" },
+        { DataType::U64, "U64" },
+        { DataType::F16, "F16" },
+        { DataType::F32, "F32" },
+        { DataType::F64, "F64" },
+        { DataType::SIZET, "SIZET" },
+        { DataType::QSYMM8, "QSYMM8" },
+        { DataType::QSYMM8_PER_CHANNEL, "QSYMM8_PER_CHANNEL" },
+        { DataType::QASYMM8, "QASYMM8" },
+        { DataType::QASYMM8_SIGNED, "QASYMM8_SIGNED" },
+        { DataType::QSYMM16, "QSYMM16" },
+        { DataType::QASYMM16, "QASYMM16" },
+    };
+
+    return dt_map[dt];
+}
+
+DataType data_type_from_name(const std::string &name)
+{
+    static const std::map<std::string, DataType> data_types =
+    {
+        { "f16", DataType::F16 },
+        { "f32", DataType::F32 },
+        { "qasymm8", DataType::QASYMM8 },
+        { "qasymm8_signed", DataType::QASYMM8_SIGNED },
+    };
+
+#ifndef ARM_COMPUTE_EXCEPTIONS_DISABLED
+    try
+    {
+#endif /* ARM_COMPUTE_EXCEPTIONS_DISABLED */
+        return data_types.at(utility::tolower(name));
+
+#ifndef ARM_COMPUTE_EXCEPTIONS_DISABLED
+    }
+    catch(const std::out_of_range &)
+    {
+        ARM_COMPUTE_ERROR_VAR("Invalid data type name: %s", name.c_str());
+    }
+#endif /* ARM_COMPUTE_EXCEPTIONS_DISABLED */
+}
+
+} // namespace arm_compute
diff --git a/src/core/utils/FormatUtils.cpp b/src/core/utils/FormatUtils.cpp
new file mode 100644
index 0000000000..05b649ded2
--- /dev/null
+++ b/src/core/utils/FormatUtils.cpp
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2016-2023 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 "arm_compute/core/utils/FormatUtils.h"
+
+#include <map>
+
+namespace arm_compute
+{
+const std::string &string_from_format(Format format)
+{
+    static std::map<Format, const std::string> formats_map =
+    {
+        { Format::UNKNOWN, "UNKNOWN" },
+        { Format::U8, "U8" },
+        { Format::S16, "S16" },
+        { Format::U16, "U16" },
+        { Format::S32, "S32" },
+        { Format::U32, "U32" },
+        { Format::F16, "F16" },
+        { Format::F32, "F32" },
+        { Format::UV88, "UV88" },
+        { Format::RGB888, "RGB888" },
+        { Format::RGBA8888, "RGBA8888" },
+        { Format::YUV444, "YUV444" },
+        { Format::YUYV422, "YUYV422" },
+        { Format::NV12, "NV12" },
+        { Format::NV21, "NV21" },
+        { Format::IYUV, "IYUV" },
+        { Format::UYVY422, "UYVY422" }
+    };
+
+    return formats_map[format];
+}
+} // namespace arm_compute
diff --git a/src/core/utils/InterpolationPolicyUtils.cpp b/src/core/utils/InterpolationPolicyUtils.cpp
new file mode 100644
index 0000000000..2d6cabe85e
--- /dev/null
+++ b/src/core/utils/InterpolationPolicyUtils.cpp
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2016-2023 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 "arm_compute/core/utils/InterpolationPolicyUtils.h"
+
+namespace arm_compute
+{
+
+const std::string &string_from_interpolation_policy(InterpolationPolicy policy)
+{
+    static std::map<InterpolationPolicy, const std::string> interpolation_policy_map =
+    {
+        { InterpolationPolicy::AREA, "AREA" },
+        { InterpolationPolicy::BILINEAR, "BILINEAR" },
+        { InterpolationPolicy::NEAREST_NEIGHBOR, "NEAREST_NEIGHBOUR" },
+    };
+
+    return interpolation_policy_map[policy];
+}
+
+} // namespace arm_compute
diff --git a/src/core/utils/StringUtils.cpp b/src/core/utils/StringUtils.cpp
new file mode 100644
index 0000000000..938ee09232
--- /dev/null
+++ b/src/core/utils/StringUtils.cpp
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2016-2023 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 "arm_compute/core/utils/StringUtils.h"
+
+#include <limits>
+#include <sstream>
+#include <algorithm>
+#include <cmath>
+#include <cstdint>
+#include <fstream>
+#include <map>
+#include <string>
+
+namespace arm_compute
+{
+std::string lower_string(const std::string &val)
+{
+    std::string res = val;
+    std::transform(res.begin(), res.end(), res.begin(), ::tolower);
+    return res;
+}
+
+std::string upper_string(const std::string &val)
+{
+    std::string res = val;
+    std::transform(res.begin(), res.end(), res.begin(), ::toupper);
+    return res;
+}
+
+std::string float_to_string_with_full_precision(float val)
+{
+    std::stringstream ss;
+    ss.precision(std::numeric_limits<float>::max_digits10);
+    ss << val;
+
+    if(val != static_cast<int>(val))
+    {
+        ss << "f";
+    }
+
+    return ss.str();
+}
+}