Sysinternals: Supporting Systems That Have More Than 64 Processors

Guidelines for Developers

The 64-bit versions of Windows 7 support more than 64 logical processors on a single machine. This paper provides information about the changes that some applications and drivers that run on Windows require to support this expanded number of processors.

This information applies for the Windows 7, 64-bit edition, operating system.

Included in this white paper:

  • Terminology
  • Architectural Overview
  • Group Creation
  • Group, Process, and Thread Affinity
  • System Thread Pool
  • New and Changed Types and Macros
  • Application Modifications
  • Kernel-mode Driver Modifications

Download: MoreThan64proc.docx