Questions tagged [performance]

15

votes

3

answers

why is integer factorization a non-polynomial time?

asked 2012-09-28T09:47:19.597

13

votes

3

answers

Build times increase substantially when switching to Java 7

java performance build

asked 2012-09-26T15:36:22.993

27

votes

4

answers

Quicksort: Iterative or Recursive

algorithm performance recursion iteration quicksort

asked 2012-09-23T14:41:01.043

10

votes

4

answers

Switch() { case: } performance in C

c performance switch-statement

asked 2012-09-21T12:55:28.937

13

votes

2

answers

Is there a performance difference between i++ and ++i in JavaScript?

javascript performance operators post-increment pre-increment

asked 2012-09-20T00:45:38.887

30

votes

8

answers

PHPStorm exceptionally slow while editing Javascript

javascript performance phpstorm

asked 2012-09-17T08:05:27.880

14

votes

2

answers

Why is Python faster than C when concatenating two strings?

python c string performance

asked 2012-09-14T17:10:38.237

18

votes

3

answers

Why are C# compiled regular expressions faster than equivalent string methods?

c# .net regex string performance

asked 2012-09-14T16:48:50.750

16

votes

5

answers

Which is faster, pointer access or reference access?

c++ performance pointers reference

asked 2012-09-13T14:08:34.567

13

votes

3

answers

Is it crucial for performance to have ViewHolder as static in a ViewHolder pattern?

android listview performance

asked 2012-09-11T11:06:28.707

9

votes

2

answers

Object orientation, data orientation, cache pollution and cache obviousness

performance oop caching memory-efficient data-oriented-design

asked 2012-09-11T08:20:10.223

14

votes

1

answers

Reliable information about x86 string instruction performance?

performance optimization assembly x86

asked 2012-09-10T20:48:20.380

26

votes

4

answers

Resources for Understanding C++ Performance?

c++ performance

asked 2012-09-10T17:17:08.940

24

votes

6

answers

MySQL: Very slow update/insert/delete queries hanging on "query end" step

mysql performance replication innodb

asked 2012-09-07T10:16:06.870

8

votes

3

answers

BUSTED How to speed up a byte[] lookup to be faster using sun.misc.Unsafe?

java performance unsafe

asked 2012-09-01T08:17:19.060

9

votes

2

answers

Experience with PHP QuickHash for large arrays

php arrays performance memory

asked 2012-08-29T08:24:34.927

10

votes

5

answers

Efficiently multiply (n-1) elements of an array

c++ c performance

asked 2012-08-26T11:52:00.457

13

votes

2

answers

measure performance of a common-lisp program

performance common-lisp

asked 2012-08-26T08:57:58.947

59

votes

9

answers

jQuery appending an array of elements

javascript jquery arrays performance append

asked 2012-08-24T14:50:55.097

16

votes

6

answers

What to use ? time() function or $_SERVER['REQUEST_TIME'] ? Which is better?

php performance time reliability

asked 2012-08-24T10:32:01.440

94

votes

26

answers

Visual Studio Build Very Slow

visual-studio performance build

asked 2012-08-23T16:01:00.017

15

votes

3

answers

Performance and memory usage in Java arrays vs C++ arrays

java c++ database arrays performance

asked 2012-08-22T12:36:44.970

8

votes

2

answers

JavaFX TableView performance issue

java performance javafx javafx-2 tableview

asked 2012-08-22T08:12:05.720

10

votes

2

answers

Why is there such a large difference in the performance of different ways to pass delegates?

c# .net performance delegates

asked 2012-08-21T21:12:36.557

22

votes

5

answers

Is there ever a reason to not use the final keyword when catching an exception?

java performance exception final

asked 2012-08-21T09:19:47.323

13

votes

4

answers

Oracle <> , != , ^= operators

sql database performance oracle-database query-optimization

asked 2012-08-17T09:22:16.937

10

votes

2

answers

Why does my .NET start-up time increase with pre-generated serialization assemblies?

c# winforms performance serialization .net-4.0

asked 2012-08-14T23:41:36.587

13

votes

4

answers

Postgres performance issues

performance postgresql

asked 2012-08-13T18:55:54.123

15

votes

4

answers

Read and parse perf.data

linux performance parsing profiling performancecounter

asked 2012-08-12T11:34:57.370

54

votes

2

answers

Regular Expression Vs. String Parsing

regex string performance parsing language-agnostic

asked 2012-08-10T16:14:02.253

8

votes

3

answers

java performance Windows vs Linux

java windows linux performance

asked 2012-08-09T08:38:31.683

24

votes

5

answers

Runtime.getRuntime().availableProcessors()

java windows performance runtime

asked 2012-08-09T06:34:23.933

10

votes

1

answers

Avoiding powers of 2 for cache friendliness

c performance caching optimization memory

asked 2012-08-08T15:34:30.063

11

votes

1

answers

Which bottleneck is hit using printf on > 65KB strings?

c performance caching printf benchmarking

asked 2012-08-07T19:01:02.940

11

votes

1

answers

Why are my tests slow after upgrading rails from 3.1.0 to 3.2.0?

ruby-on-rails performance ruby-on-rails-3.1 upgrade ruby-on-rails-3.2

asked 2012-08-04T01:22:36.207

265

votes

8

answers

Getting HTTP code in PHP using curl

php performance curl http-headers

asked 2012-08-03T14:27:34.000

30

votes

5

answers

Performance of wkhtmltopdf

html performance pdf xhtml wkhtmltopdf

asked 2012-07-24T04:20:44.333

17

votes

8

answers

are arrays faster than arraylist?

java arrays performance arraylist

asked 2012-07-23T22:58:17.893

14

votes

1

answers

Python: List Comprehensions vs. map

python performance

asked 2012-07-23T16:28:22.943

24

votes

4

answers

Profiling a Haskell program

performance haskell strictness

asked 2012-07-21T17:42:48.180

38

votes

3

answers

State of SVG Performance on iOS and other Tablets?

ios performance svg d3.js

asked 2012-07-19T23:59:07.347

9

votes

4

answers

What does a hashset do with memory when initializing a collection?

c# performance memory collections hashset

asked 2012-07-19T08:43:39.977

11

votes

4

answers

has anyone benchmarked Excelsior JET compile-to-native against a standard java runtime?

java performance compilation

asked 2012-07-18T13:47:35.577

26

votes

2

answers

How much speed is gained with RequireJS/AMD in JS?

javascript performance asynchronous requirejs amd

asked 2012-07-17T21:23:23.053

21

votes

1

answers

javascript: 10 x speedup via loop inline?

javascript performance memory

asked 2012-07-16T11:56:17.977

19

votes

3

answers

Why is List<T>.Sort using Comparer<int>.Default more than twice as fast as an equivalent custom comparer?

c# performance sorting

asked 2012-07-11T19:27:45.447

11

votes

2

answers

Are DOM Mutation Observers slower than DOM Mutation Events?

javascript performance events observers mutation-events

asked 2012-07-11T03:43:10.157

12

votes

2

answers

Web inspector profiling with "Frames": finding the cause of performance problems when nothing appears in the timeline

performance google-chrome google-chrome-devtools web-inspector

asked 2012-07-10T23:10:02.710

49

votes

4

answers

How to reduce the image size without losing quality in PHP

php image performance compression google-pagespeed

asked 2012-07-10T17:22:51.400

8

votes

2

answers

DataTable reader loading is very slow

c# performance sqlite datatable loading

asked 2012-07-10T13:50:43.990

Questions tagged performance