[jira] [Updated] (MATH-1390) LUDecomposition slow on larger matrices
[ https://issues.apache.org/jira/browse/MATH-1390?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Gilles Sadowski updated MATH-1390: -- Fix Version/s: (was: 4.0) 4.X > LUDecomposition slow on larger matrices > --- > > Key: MATH-1390 > URL: https://issues.apache.org/jira/browse/MATH-1390 > Project: Commons Math > Issue Type: Improvement >Affects Versions: 4.0, 3.7 >Reporter: Wilhelm Burger >Priority: Minor > Labels: performance > Fix For: 4.X > > Original Estimate: 6h > Remaining Estimate: 6h > > Commons-math LUDecomposition runs ca. 10 times slower than the original > (referenced) JAMA implementation for a matrix of size 1600 x 1600, slowdown > is noticable above size 750 x 750, regardless of matrix type. > It is suggested to revert to the proven (and fast) JAMA implementation and > overhaul the LUDecomposition class (and related classes) in the 'linear' > package. -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Updated] (MATH-1390) LUDecomposition slow on larger matrices
[ https://issues.apache.org/jira/browse/MATH-1390?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Rob Tompkins updated MATH-1390: --- Fix Version/s: (was: 3.7) > LUDecomposition slow on larger matrices > --- > > Key: MATH-1390 > URL: https://issues.apache.org/jira/browse/MATH-1390 > Project: Commons Math > Issue Type: Improvement >Affects Versions: 4.0, 3.7 >Reporter: Wilhelm Burger >Priority: Minor > Labels: performance > Fix For: 4.0 > > Original Estimate: 6h > Remaining Estimate: 6h > > Commons-math LUDecomposition runs ca. 10 times slower than the original > (referenced) JAMA implementation for a matrix of size 1600 x 1600, slowdown > is noticable above size 750 x 750, regardless of matrix type. > It is suggested to revert to the proven (and fast) JAMA implementation and > overhaul the LUDecomposition class (and related classes) in the 'linear' > package. -- This message was sent by Atlassian JIRA (v6.3.15#6346)
