LS-Dyna mpp971 - Performance on Intel® Xeon® processor E5570 (code-named Nehalem) 2.93/2.80GHz vs Intel Xeon processor E5472 (code-named Harpertown) 3.GHz in SGI Altix ICE 8200EX.

LS-Dyna is up to 2x faster on Intel Xeon processor E5570 (code-named Nehalem) 2.93GHz than on Intel Xeon processor E5472 (code-named Harpertown) 3.0GHz in SGI Altix ICE 8200EX. Turbo ON provides 6% performance boost.

LS-Dyna mpp971 - Parallel Performance on Intel Xeon processor E5570 (code-named Nehalem) 2.93GHz vs Intel Xeon processor E5472 (code-named Harpertown) 3.GHz in SGI Altix ICE 8200EX.

LS-Dyna is 1.83x faster on Intel Xeon processor E5570 (code-named Nehalem) 2.93GHz than on Intel Xeon processor E5472 (code-named Harpertown) 3.0GHz on 8 cores in SGI Altix ICE 8200EX, but only 1.34x on 64 cores. As the domain size per core decreases, performance depends more on processor clock rather than memory BW.

LS-Dyna mpp971 - Parallel Performance on Intel Xeon processor E5570 (code-named Nehalem) 2.93GHz vs Intel Xeon processor E5472 (code-named Harpertown) 3.0GHz.

LS-Dyna is 1.98x better on Intel Xeon processor E5570 (code-named Nehalem) 2.93GHz than on Intel Xeon processor E5472 (code-named Harpertown) 3.0GHz at 8 cores in SGI Altix ICE 8200EX, but only 1.73x on 64 cores. As the domain size per core decreases the performance is more dependent on CPU rather than memory system.