Power Aware Computer Systems : First International Workshop PACS 2000 Cambridge MA USA November 12 2000 Revised Papers This book constitutes the thoroughly refereed post proceedings of the First International Workshop on Power Aware Computer Systems PACS 2000 held in Cambridge MA USA in November 2000. The 11 revised full papers presented were carefully reviewed selected and revised for inclusion in the book. This book addresses power energy awareness at all levels of computer systems. The papers are organized in sections on power aware microarchitectural circuit techniques application compiler optimization exploiting IPC memory slack and power performance models and tools