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Questions tagged
performance
1195 questions · page 2 of 24
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9
votes
5
answers
What is the most efficient way in JavaScript to parse huge amounts of data from a file
javascript
json
performance
asked 2013-04-02T11:19:37.343
42
votes
2
answers
Guava ImmutableMap has noticeably slower access than HashMap
java
performance
hashmap
benchmarking
guava
asked 2013-04-02T05:40:48.650
14
votes
2
answers
Performance of Func<T> and inheritance
c#
.net
performance
generics
inheritance
asked 2013-03-27T20:59:32.513
8
votes
1
answers
Performance between "from package import *" and "import package"
python
performance
python-import
asked 2013-03-27T09:14:46.507
27
votes
11
answers
How to speed up an AngularJS Application?
angularjs
performance
asked 2013-03-26T17:19:04.680
9
votes
3
answers
Java Character vs char: what about memory usage?
java
performance
memory
asked 2013-03-22T09:38:11.907
49
votes
2
answers
How are Java threads heavy compared to Scala / Akka actors?
java
multithreading
performance
scala
akka
asked 2013-03-21T17:09:58.123
20
votes
2
answers
What causes the extreme slowness when changing from rails 3.2.12 to 3.2.13
ruby-on-rails
ruby
view
ruby-on-rails-3.2
performance
asked 2013-03-19T13:51:01.460
17
votes
3
answers
MySQL: Dramatically slower query execution if use LIMIT 1 instead of LIMIT 5
mysql
performance
indexing
limit
asked 2013-03-17T11:14:58.780
8
votes
8
answers
"Atomically" update an entire array
java
performance
data-structures
concurrency
locking
asked 2013-03-15T23:51:45.620
13
votes
1
answers
Do new browsers optimize for loops differently?
javascript
performance
asked 2013-03-15T17:07:18.837
41
votes
5
answers
What is the fastest way to output large DataFrame into a CSV file?
python
performance
pandas
output
asked 2013-03-14T18:40:11.043
14
votes
6
answers
Why Getting Http Request and Response too late
c#
.net
performance
http
buffer
asked 2013-03-14T16:52:38.487
8
votes
3
answers
Prevent images from being downloaded to page on mobile site
html
css
performance
mobile
asked 2013-03-13T22:28:03.053
16
votes
4
answers
In C#, is it more performant to use fully qualified names vs the 'using' directive?
c#
.net
performance
using-directives
asked 2013-03-13T17:50:23.867
11
votes
5
answers
How can I Subtract these lists faster?
java
android
performance
arraylist
asked 2013-03-12T20:32:18.717
15
votes
3
answers
How can I determine what core a Java thread is running on?
java
multithreading
performance
cpu-cores
asked 2013-03-11T22:49:22.067
10
votes
2
answers
Slow loading of layout
performance
android-layout
android
slidingmenu
asked 2013-03-11T08:28:59.700
8
votes
2
answers
Problematic Random Forest training runtime when using formula interface
r
performance
machine-learning
formula
asked 2013-03-10T11:58:29.870
9
votes
2
answers
doing better than numpy's in1d mask function: ordered arrays?
python
performance
sorting
numpy
mask
asked 2013-03-07T19:18:15.343
9
votes
1
answers
How is the number of views limited?
android
performance
android-layout
android-view
asked 2013-03-06T05:59:50.040
16
votes
2
answers
C# - For vs Foreach - Huge performance difference
c#
performance
for-loop
foreach
asked 2013-03-04T15:23:50.283
27
votes
8
answers
AngularJS really slow at rendering with about 2000 elements?
javascript
angularjs
performance
pageload
ng-bind
asked 2013-03-03T06:33:03.120
11
votes
1
answers
what is the expected performance of ZeroMQ?
javascript
performance
coffeescript
message-queue
zeromq
asked 2013-03-01T14:22:28.967
19
votes
5
answers
AtomicInteger implementation and code duplication
java
performance
jvm
asked 2013-02-28T18:07:30.077
8
votes
2
answers
Performance impact of DefaultTraceListener
c#
performance
trace
system.diagnostics
asked 2013-02-27T18:43:02.227
15
votes
1
answers
Most efficient way to seek around in a large file
performance
haskell
io
asked 2013-02-24T14:51:43.770
87
votes
7
answers
What is the best way to read last lines (i.e. "tail") from a file using PHP?
php
performance
logging
asked 2013-02-22T13:59:03.117
20
votes
3
answers
Why ASP.NET MVC default Model Binder is slow? It's taking a long time to do its work
asp.net-mvc
performance
post
data-binding
ienumerable
asked 2013-02-19T15:36:58.627
41
votes
1
answers
Python fastest way to read a large text file (several GB)
python
performance
optimization
line
chunking
asked 2013-02-18T19:50:35.203
23
votes
4
answers
Java String.split pass in precompiled regex for performance reasons
java
regex
performance
asked 2013-02-15T19:03:00.383
11
votes
3
answers
Is Android garbage collector pausing other apps while running?
android
performance
garbage-collection
asked 2013-02-12T19:54:19.913
8
votes
1
answers
Difference in performance: loadNibNamed vs. programmatically
ios
performance
interface-builder
loadnibnamed
asked 2013-02-11T08:33:48.483
28
votes
2
answers
Why does changing `const ull` to `const ull&` in function parameter result in performance gain?
c++
performance
optimization
gcc
c++11
asked 2013-02-11T03:53:12.447
120
votes
8
answers
visibility:hidden vs display:none vs opacity:0
javascript
css
performance
animation
render
asked 2013-02-06T14:07:40.480
8
votes
1
answers
websocket scalability
performance
websocket
cluster-computing
asked 2013-02-05T19:02:35.770
8
votes
2
answers
What's the fastest way to read a large file in Ruby?
ruby-on-rails
ruby
performance
file
io
asked 2013-02-01T20:38:20.437
8
votes
4
answers
oracle improve query performance
sql
performance
oracle-database
select
asked 2013-02-01T15:46:19.737
39
votes
5
answers
Performance of jQuery.grep vs. Array.filter
javascript
jquery
performance
asked 2013-02-01T13:34:36.547
12
votes
6
answers
Java VM memory performance - Are Array writes faster than Array reads?
java
performance
memory
asked 2013-01-31T22:04:26.533
8
votes
3
answers
Liferay startup takes way too long
performance
liferay
startup
asked 2013-01-30T09:10:00.087
12
votes
3
answers
Why does Ruby on Rails take so long to start?
ruby-on-rails-3
performance
asked 2013-01-28T12:58:46.567
17
votes
3
answers
CPU cache critical stride test giving unexpected results based on access type
c++
performance
c++11
cpu-cache
asked 2013-01-27T02:52:46.497
16
votes
3
answers
My FB HackerCup code too slow of large inputs
python
performance
optimization
asked 2013-01-26T11:14:56.443
26
votes
3
answers
Strange BufferStrategy issue - Game runs fast only on Intel GPUs
java
performance
buffer
intel
asked 2013-01-25T19:04:57.533
10
votes
3
answers
Performance issue when hosting a WPF form in a native C++ application
c++
wpf
performance
native
asked 2013-01-22T19:45:17.603
9
votes
1
answers
Should one store a search_data tsvector in the same table or external table?
performance
postgresql
full-text-search
asked 2013-01-21T00:27:53.840
9
votes
4
answers
Is std::unordered_set contiguous (like std::vector)?
c++
performance
vector
c++11
unordered-set
asked 2013-01-17T17:25:32.580
11
votes
3
answers
How to profile inconsistent H12 timeouts on Heroku
ruby-on-rails
performance
heroku
newrelic
asked 2013-01-17T10:34:49.690
31
votes
4
answers
Examples where compiler-optimized functional code performs better than imperative code
performance
haskell
optimization
functional-programming
imperative-programming
asked 2013-01-16T11:57:39.987
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