Discover Scalability Of Your Software for Up To 8192 CPUs Using Intel® Advisor

Intel® Advisor helps developers discover what parts of their software programs scale well. Determining scalability of a piece of code is essential to determine if it is worth parallelizing and if so, the size of an actual machine which can exploit such scalable code.

Using Intel Advisor you can obtain scalability numbers for up to 8192 CPUs.

Obtaining this scalability number for up to 8192 CPUs requires you to set the "Maximum CPU Count:" setting in the "Options-> General" dialog (as shown below):

Once this setting is in place, you can begin to see the scalability (more specifically, the scalability of "Maximum Site Gain") numbers for up to 8192 CPUs. You can also select other values for the Target CPU Count in the "Suitability Report" up to the "Maximum CPU Count value" set in the "Options-> General" dialog above.

Understanding this enhanced scalability is an essential first step towards effectively parallelizing key portions of your code for machines which have more than 32 CPUs (for Intel® Xeon Phi™ processors, for instance).

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