http://www.mapleprimes.com/posts/128588-OMPNUMTHREADS-And-64bit-Maple-On-Windows en-us 2026 Maplesoft, A Division of Waterloo Maple Inc. Maplesoft Document System Tue, 09 Jun 2026 14:16:02 GMT Tue, 09 Jun 2026 14:16:02 GMT The latest comments added to the Post, OMP_NUM_THREADS and 64bit Maple on Windows http://www.mapleprimes.com/images/mapleprimeswhite.jpg http://www.mapleprimes.com/posts/128588-OMPNUMTHREADS-And-64bit-Maple-On-Windows http://www.mapleprimes.com/posts/128588-OMPNUMTHREADS-And-64bit-Maple-On-Windows?ref=Feed:MaplePrimes:OMP_NUM_THREADS and 64bit Maple on Windows:Comments#comment128593 <p>I just want to point out that cpu times on hyperthreaded processors are generally nonsense. &nbsp;When the operating system runs two threads per core it bills all the cpu cycles to both threads, effectively double counting resources. &nbsp;I bet if you run that example with 8 threads on a hyperthreaded Core i7 you'll get a strange cpu time like 16 seconds, and a faster real time maybe 2 seconds. &nbsp;You should use hyperthreading on the Core i7 and Atom.</p> The latest comments added to the Post, OMP_NUM_THREADS and 64bit Maple on Windows 128593 Sat, 10 Dec 2011 14:12:23 Z roman_pearce roman_pearce