[MATH-745] up to 5x Performance Improvement on FasFourierTransformer.java by using a recursive iterative sumation Approach - ASF JIRA

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Type: Improvement
Status: Closed
Priority: Major
Resolution: Cannot Reproduce
Affects Version/s: 3.0
Fix Version/s: None
Component/s: None
Labels:
- FFT
- Fast
- Fourier
- Transform

Description

By swithinch form a loop iterative approach to a recursive iterative approach on fastFourierTransformer.java a Perfomance Improvement of up to 5x is gained.

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FastFourierTransformer.patch.txt
13/Feb/12 01:51
9 kB
Leandro Ariel Pezzente

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Assignee:: Unassigned

Reporter:: Leandro Ariel Pezzente

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Dates

Created:: 13/Feb/12 01:48

Updated:: 13/Feb/12 21:45

Resolved:: 13/Feb/12 21:44

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up to 5x Performance Improvement on FasFourierTransformer.java by using a recursive iterative sumation Approach

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