While there is no single academic "paper" that compares as a primary subject, the definitive technical documentation and comparative analysis can be found in the official xxHash Specification and various performance white papers Key Comparison Sources Official Specification & Benchmarks xxHash fast digest algorithm (IETF Draft) provides a formal description and technical benchmarks. Technical White Paper QuickAssist Technology White Paper
Are you planning to use these hashes for or for database indexing ?
You are working with massive datasets where hashing time is a bottleneck. You need a fast hash for a hash map or lookup table.