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Memory Bandwidth Limited Kernels - GPU Technology Conference

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Caching Load• All threads in a warp request the same 4-byte word• Addresses fall within a single cache-line• Warp needs 4 bytes• 128 bytes move across the bus on a miss• Bus utilization: 3.125%addresses from a warp...032 64 96 128 160 192 224 256 288 320 352 384 416 448<strong>Memory</strong> addresses© NVIDIA Corporation 2011

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