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Optimize the index by using a sorted list of threads instead of nodes.

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Only one call to Get.threadFromRoot() per thread now.
This commit is contained in:
Mayhem 2014-02-21 04:40:32 +01:00
parent 27fa3f2bf7
commit 49c9156c30
1 changed files with 19 additions and 20 deletions
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39
src/General/Index.coffee
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@ -345,7 +345,7 @@ Index =
else
Index.threadsNumPerPage
getPagesNum: ->
Math.ceil Index.sortedNodes.length / Index.getThreadsNumPerPage()
Math.ceil Index.sortedThreads.length / Index.getThreadsNumPerPage()
getMaxPageNum: ->
Math.max 0, Index.getPagesNum() - 1
togglePagelist: ->
@ -519,11 +519,10 @@ Index =
for i in [0...threadRoots.length] by 1
threadRoots.splice (i * 2) + 1, 0, $.el 'hr'
return
buildReplies: (threadRoots) ->
buildReplies: (threads) ->
return unless Conf['Show Replies']
posts = []
for threadRoot in threadRoots
thread = Get.threadFromRoot threadRoot
for thread in threads
i = Index.liveThreadIDs.indexOf thread.ID
continue unless lastReplies = Index.liveThreadData[i].last_replies
nodes = []
@ -540,17 +539,16 @@ Index =
errors.push
message: "Parsing of Post No.#{data.no} failed. Post will be skipped."
error: err
$.add threadRoot, nodes
$.add thread.OP.nodes.root.parentNode, nodes
Main.handleErrors errors if errors
Main.callbackNodes Post, posts
buildCatalogViews: ->
threads = Index.sortedNodes.map (threadRoot) -> Get.threadFromRoot threadRoot
catalogThreads = []
for thread in threads when !thread.catalogView
for thread in Index.sortedThreads when !thread.catalogView
catalogThreads.push new CatalogThread Build.catalogThread(thread), thread
Main.callbackNodes CatalogThread, catalogThreads
threads.map (thread) -> thread.catalogView.nodes.root
Index.sortedThreads.map (thread) -> thread.catalogView.nodes.root
sizeCatalogViews: (nodes) ->
# XXX When browsers support CSS3 attr(), use it instead.
size = if Conf['Index Size'] is 'small' then 150 else 250
@ -578,19 +576,19 @@ Index =
sortedThreadIDs = [Index.liveThreadData...].sort((a, b) -> b.replies - a.replies).map (data) -> data.no
when 'filecount'
sortedThreadIDs = [Index.liveThreadData...].sort((a, b) -> b.images - a.images).map (data) -> data.no
Index.sortedNodes = sortedThreadIDs
.map (threadID) -> Index.nodes[Index.liveThreadIDs.indexOf threadID]
.filter (threadRoot) -> Get.threadFromRoot(threadRoot).isHidden is Index.showHiddenThreads
Index.sortedThreads = sortedThreadIDs
.map (threadID) -> Get.threadFromRoot Index.nodes[Index.liveThreadIDs.indexOf threadID]
.filter (thread) -> thread.isHidden is Index.showHiddenThreads
if Index.isSearching
Index.sortedNodes = Index.querySearch(Index.searchInput.value) or Index.sortedNodes
Index.sortedThreads = Index.querySearch(Index.searchInput.value) or Index.sortedThreads
# Sticky threads
Index.sortOnTop (thread) -> thread.isSticky
# Highlighted threads
Index.sortOnTop (thread) -> thread.isOnTop or thread.isPinned
sortOnTop: (match) ->
offset = 0
for threadRoot, i in Index.sortedNodes when match Get.threadFromRoot threadRoot
Index.sortedNodes.splice offset++, 0, Index.sortedNodes.splice(i, 1)[0]
for thread, i in Index.sortedThreads when match thread
Index.sortedThreads.splice offset++, 0, Index.sortedThreads.splice(i, 1)[0]
return
buildIndex: ->
switch Conf['Index Mode']
@ -601,8 +599,9 @@ Index =
Index.pageNav Index.getMaxPageNum()
return
threadsPerPage = Index.getThreadsNumPerPage()
nodes = Index.sortedNodes[threadsPerPage * pageNum ... threadsPerPage * (pageNum + 1)]
Index.buildReplies nodes
threads = Index.sortedThreads[threadsPerPage * pageNum ... threadsPerPage * (pageNum + 1)]
nodes = threads.map (thread) -> thread.OP.nodes.root.parentNode
Index.buildReplies threads
Index.buildHRs nodes
Index.buildPagelist()
Index.setPage()
@ -610,8 +609,8 @@ Index =
nodes = Index.buildCatalogViews()
Index.sizeCatalogViews nodes
else
nodes = [Index.sortedNodes...]
Index.buildReplies nodes
nodes = Index.sortedThreads.map (thread) -> thread.OP.nodes.root.parentNode
Index.buildReplies Index.sortedThreads
Index.buildHRs nodes
$.rmAll Index.root
$.add Index.root, nodes
@ -650,8 +649,8 @@ Index =
return unless keywords = query.toLowerCase().match /\S+/g
Index.search keywords
search: (keywords) ->
Index.sortedNodes.filter (threadRoot) ->
Index.searchMatch Get.threadFromRoot(threadRoot), keywords
Index.sortedThreads.filter (thread) ->
Index.searchMatch thread, keywords
searchMatch: (thread, keywords) ->
{info, file} = thread.OP
text = []