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To: PMS Witch who wrote (17956)	3/24/2001 6:33:01 PM
From: bosquedog	Read Replies (1) of 110653

Why using two CPUs? Many people still think that using two CPUs in a dual motherboard doubles the performance. But don't be disappointed if you won't notice any obvious performance gain. The magic word is 'multitasking' and requires Windows NT. Didn`t you ever try to open an application like Corel Draw while your computer was zipping some files or was playing a DVD or CDI movie? Two performance-hungry tasks are usually enough to slow down your system considerably. Here's a way of benefiting from two CPUs: The system shares the load to both processors and makes the applications really run parallel. So it's no problem to work on a Corel Draw project while rendering an overkill scene in 3D Studio Max. You can even write a CD while processing large images with Photoshop. The second way of benefiting from a dual processor system is using multi-threaded applications, which have been optimized for multiprocessor environments. 3D Studio Max is one of the best examples, using two CPUs reduces the rendering time by almost 50%. www6.tomshardware.com Conclusion: Dual CPU boards Only For Special Applications To keep it short: Dual CPU motherboards can only perform up to capacity in special applications. Included herein are rendering and animation programs that spread their processing load rather evenly on both CPUs. This fact is reflected impressively by our benchmark results from 3D Studio Max R3 and Cinema 4D XL 5.3. Otherwise, the utilization of a second CPU in daily operation falls short of the expectations. Even software for video editing - such as the popular Adobe Premiere - uses the capacity of two processors only minimally. An operating system supporting dual processor platforms is necessary in any case: Windows 2000 Pro and Windows NT 4.0 as well as Linux support this function. Nevertheless, the user profits from the application of a dual CPU system: A dual system shows significant advantages over the single system particularly when running several tasks simultaneously. The system load is much lower. Summary: Motherboards with two processors enable higher performance with specially adapted software under Windows 2000 Pro or Windows NT 4.0. However, the applications optimised for multi-threading can rarely be found since programming takes much more effort than that of a single CPU platform. www6.tomshardware.com

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