Injecting a Chess Engine into Amazon RedshiftAmazon Redshift is a SQL-based database with a frontend similar to PostgreSQL. The backend compiles queries to C++ code, which execute against a columnnar datastore. When I last benchmarked it for a former employer, well-tuned queries were about 3-5x slower than hand-rolled C++. But I also uncovered an interesting technique that lets you close that gap for CPU-bound queries. This article will cove
