This book constitutes the refereed post-conference proceedings from the 15th TPC Technology Conference on Performance Evaluation and Benchmarking, TPCTC 2023, held in Vancouver, British Columbia, Canada, during August 28 - September 1, 2023. The 9 full papers included in this book were carefully reviewed and selected from 17 submissions. These papers focus on various novel ideas and methodologies for Performance evaluation and Benchmarking in emerging technology areas.