1 files changed, 121 insertions, 0 deletions
diff --git a/reference_model/src/verify/verify_utils.cc b/reference_model/src/verify/verify_utils.cc
new file mode 100644
index 0000000..bb4feaa
--- /dev/null
+++ b/reference_model/src/verify/verify_utils.cc
@@ -0,0 +1,121 @@
+
+// Copyright (c) 2023, ARM Limited.
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//         http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+
+#include "verify_utils.h"
+
+#include <nlohmann/json.hpp>
+
+#include <algorithm>
+#include <map>
+
+namespace tosa
+{
+
+NLOHMANN_JSON_SERIALIZE_ENUM(DType,
+                             {
+                                 { DType::DType_BOOL, "BOOL" },
+                                 { DType::DType_INT4, "INT4" },
+                                 { DType::DType_INT8, "INT8" },
+                                 { DType::DType_INT16, "INT16" },
+                                 { DType::DType_INT32, "INT32" },
+                                 { DType::DType_INT48, "INT48" },
+                                 { DType::DType_FP16, "FP16" },
+                                 { DType::DType_BF16, "BF16" },
+                                 { DType::DType_FP32, "FP32" },
+                             })
+
+}    // namespace tosa
+
+namespace TosaReference
+{
+
+NLOHMANN_JSON_SERIALIZE_ENUM(VerifyMode,
+                             {
+                                 { VerifyMode::Exact, "EXACT" },
+                                 { VerifyMode::Ulp, "ULP" },
+                                 { VerifyMode::DotProduct, "DOT_PRODUCT" },
+                                 { VerifyMode::ReduceProduct, "REDUCE_PRODUCT" },
+                                 { VerifyMode::FpSpecial, "FP_SPECIAL" },
+                             })
+
+void from_json(const nlohmann::json& j, UlpInfo& ulpInfo)
+{
+    j.at("ulp").get_to(ulpInfo.ulp);
+}
+
+void from_json(const nlohmann::json& j, DotProductVerifyInfo& dotProductInfo)
+{
+    j.at("data_type").get_to(dotProductInfo.dataType);
+    j.at("s").get_to(dotProductInfo.s);
+    j.at("ks").get_to(dotProductInfo.ks);
+}
+
+void from_json(const nlohmann::json& j, VerifyConfig& cfg)
+{
+    j.at("mode").get_to(cfg.mode);
+    if (j.contains("ulp_info"))
+    {
+        j.at("ulp_info").get_to(cfg.ulpInfo);
+    }
+    if (j.contains("dot_product_info"))
+    {
+        j.at("dot_product_info").get_to(cfg.dotProductInfo);
+    }
+}
+
+std::optional<VerifyConfig> parseVerifyConfig(const char* tensorName, const char* json)
+{
+    if (!tensorName)
+        return std::nullopt;
+
+    auto jsonCfg = nlohmann::json::parse(json, nullptr, /* allow exceptions */ false);
+
+    if (jsonCfg.is_discarded())
+        return std::nullopt;
+    if (!jsonCfg.contains("tensors"))
+        return std::nullopt;
+
+    const auto& tensors = jsonCfg["tensors"];
+    if (!tensors.contains(tensorName))
+        return std::nullopt;
+
+    const auto& namedTensor = tensors[tensorName];
+    return namedTensor.get<VerifyConfig>();
+}
+
+int64_t numElements(const std::vector<int32_t>& shape)
+{
+    return std::accumulate(std::begin(shape), std::end(shape), 1, std::multiplies<int64_t>());
+}
+
+DType mapToDType(tosa_datatype_t dataType)
+{
+    static std::map<tosa_datatype_t, DType> typeMap = {
+        { tosa_datatype_bool_t, DType_BOOL },   { tosa_datatype_int4_t, DType_INT4 },
+        { tosa_datatype_int8_t, DType_INT8 },   { tosa_datatype_uint16_t, DType_UINT16 },
+        { tosa_datatype_int16_t, DType_INT16 }, { tosa_datatype_int32_t, DType_INT32 },
+        { tosa_datatype_int48_t, DType_INT48 }, { tosa_datatype_fp16_t, DType_FP16 },
+        { tosa_datatype_bf16_t, DType_BF16 },   { tosa_datatype_fp32_t, DType_FP32 },
+        { tosa_datatype_shape_t, DType_SHAPE },
+    };
+
+    if (typeMap.count(dataType))
+    {
+        return typeMap[dataType];
+    }
+
+    return DType_UNKNOWN;
+}
+}    // namespace TosaReference