EfficientDynamoDb
EfficientDynamoDb is a high-performance C library for Amazon DynamoDB focused on efficient resource utilization. It supports zero-allocation deserialization, allocating up to 26 times less memory and running up to 21 times faster than the official AWS SDK for .NET. The library provides both high-level and low-level APIs, with the high-level API offering comparable performance to the low-level option while remaining easier to use. It supports core DynamoDB operations including GetItem for retrieving single items, Query for fetching items matching key and filter conditions, and UpdateItem for modifying existing attributes or inserting new items. EfficientDynamoDb is designed for backend services needing to maximize throughput and minimize CPU overhead when working with DynamoDB, particularly at scale. It is distributed as a NuGet package and targets .NET Core.