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CAD tip CAD tip # 5847:

   
Question CAD 
 %  platform  category 
Q - question

An undocumented AutoCAD command sets CPU affinity.

A - answer The undocumented (and unsupported) AutoCAD command DUMPMEMALLOC offers among other the option Affinity which enables the so called "affinity" - an association of a Windows process (ACAD.EXE in this case) with a specific processor (or CPU core) on multi-processor and multi-core (dual-core, quad-core) computers. After enabling this option, AutoCAD will run on a single (the first) CPU/core only.

A similar function can be set in the Windows Task manager.

ACAD
100% *  CAD 
8.11.2007    14168×  
Prices - CAD eShop:
applies to: AutoCAD ·

See also:
Tip 12127:AutoCAD slower after obeying the recommendation from DELL Precision Optimizer.
Tip 10881:What is the process acwebbrowser.exe resp. Chromium host executable?
Tip 10219:Can Autodesk Fusion 360 make use of multicore CPUs?
Tip 8529:How to use CUDA GPU to accelerate rendering in 3ds Max?
Tip 4905:Using multiprocessing in AutoCAD (how many cores can AutoCAD use?)


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