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searching for Prefix sum 4 found (38 total)

alternate case: prefix sum

Order-independent transparency (1,108 words) [view diff] exact match in snippet view article find links to article

approaches to reducing this memory overhead exist. Packing the 3D array with a prefix sum scan, or linearizing, removed the unused memory issue but requires an

Elevator algorithm (1,221 words) [view diff] exact match in snippet view article find links to article

only five I/Os were actually done. The scan algorithm (often known as prefix sum algorithm) is commonly used in computer science for problems that involve

Samplesort (3,298 words) [view diff] exact match in snippet view article find links to article

While scanning, the size of each bucket is kept track of. Firstly, a prefix sum operation is performed that calculates the boundaries of the buckets.

Parallel algorithms for minimum spanning trees (3,068 words) [view diff] exact match in snippet view article find links to article

O ( n p + log ⁡ p ) {\displaystyle O({\frac {n}{p}}+\log p)} using a prefix sum. As we now have a new set of vertices and edges the adjacency array must