View Single Post
  #1 (permalink)  
Old August 26th, 2008
mvchante mvchante is offline
Novicius
 
Join Date: August 26th, 2008
Posts: 2
mvchante is flying high
Default Download tab (perhaps others) - Sluggish response.

Soon after my initial install of phex 3.2.6.106 , I notice poor graphics performance while files were downloading. It makes the application very frustrating to use. This is most notable on the download tab.

Upon profiling during a `lag spike`, phex.download.DownloadScopeList.add occupied 15% of the processing time. An inner class of the above, DownloadScopeComparator, occupied a further 5%. (java.nio.chaneels.FileChannel.write also occupied 5%, but I doubt it is of significance.)


phex.download.DownloadScopeList.add appears to be an O(n^2) algorithm, and n seems to get very large. Has any work been made to make it more efficient?


Is there any background information available on this topic? Any advise as to other possible causes? Can you confirm that others are experiencing the same issue?




History with product: This is my first time using phex, and I haven't used any Gnutella client in a long while.


System: Quad Core Intel x64 running Vista x64. Java build 1.6.0_03-b05




Cheers,
M. V`Chante
Reply With Quote