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. 2010 Aug 23;1(2):658–675. doi: 10.1364/BOE.1.000658

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©2010 Optical Society of America

This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 Unported License, which permits download and redistribution, provided that the original work is properly cited. This license restricts the article from being modified or used commercially.

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Fig. 2. — Simplified representation of the GPU architecture for NVIDIA GTX 280 (left) and GTX 480 (right). Each GPU consists of a number of streaming multiprocessors (SMs), each of which has a number of scalar processors (SPs). GTX 280 has 16KB of shared memory per SM, while GTX 480 has up to 48KB.