'Bitonic sequence' diaporamas de présentation

Sorting Algorithms

Chapter 10 in textbook. Sorting Algorithms - Rearranging a list of numbers into increasing (strictly non-decreasing) order. Sorting number is important in applications as it can make subsequent operations more efficient. ITCS4145/5145, Parallel Programming B. Wilkinson March 19, 2013.

868 views • 71 slides

Parallel Analysis of Algorithms: PRAM + CGM

Parallel Analysis of Algorithms: PRAM + CGM. Outline. Parallel Performance Parallel Models Shared Memory (PRAM, SMP) Distributed Memory (BSP, CGM). Parallel Analysis of Algorithms. Question?.

854 views • 70 slides

Bitonic Sorting and Its Circuit Design

631 views • 44 slides

Bitonic Sorting and Its Circuit Design

491 views • 44 slides

Sorting Algorithms

Sorting Algorithms. Ananth Grama , Anshul Gupta, George Karypis , and Vipin Kumar Adapted for 3030 To accompany the text ``Introduction to Parallel Computing'', Addison Wesley, 2003. Topic Overview. Issues in Sorting on Parallel Computers Sorting Networks

454 views • 43 slides

Parallel Sorting

Parallel Sorting. Sathish Vadhiyar. Sorting. Sorting n keys over p processors Sort and move the keys to the appropriate processor so that every key on processor k is larger than every key on processor k-1 The number of keys on any processor should not be larger than (n/p + thres)

506 views • 41 slides

Parallel Sorting Algorithms

Parallel Sorting Algorithms. Potential Speedup. O( n log n ) optimal sequential sorting algorithm Best we can expect based upon a sequential sorting algorithm using n processors is:. Compare-and-Exchange Sorting Algorithms.

668 views • 29 slides

CS 584

CS 584. Sorting. One of the most common operations Definition: Arrange an unordered collection of elements into a monotonically increasing or decreasing order. Two categories of sorting internal (fits in memory) external (uses auxiliary storage). Sorting Algorithms. Comparison based

369 views • 23 slides

HYPERCUBE ALGORITHMS-2

HYPERCUBE ALGORITHMS-2. Merging. Odd Even Merge:: Step 0: Store X1 in first m rows of butterfly and X2 on next m rows. Step 1: Partition X1 into its odd and even parts, O1 and E1 and X2 to O2 and E2. This can be done in one step on Bd. Step 2: Interchange O2 with E1

237 views • 18 slides

Parallel Sorting Algorithms

Parallel Sorting Algorithms. Comparison Sorts if (A>B) { temp=A; A=B; B=temp; } Potential Speed-up Optimal Comparison Sort: O(N lg N) Optimal Parallel speed-up O(lg N) if P=N Huge Big Oh constant Source of problems Duplicate computations to reduce message passing

448 views • 13 slides