Questions tagged [performance]

13

votes

1

answers

PHP 5.3 Namespaces should i use every PHP function with backslash?

asked 2010-04-25T18:29:06.383

9

votes

3

answers

What is the performance cost of calling Thread.isInterrupted()?

java performance multithreading

asked 2010-04-25T09:12:06.297

21

votes

4

answers

List comprehension, map, and numpy.vectorize performance

python performance numpy list-comprehension

asked 2010-04-24T05:16:33.770

19

votes

9

answers

Performance concern when using LINQ "everywhere"?

c# .net linq performance resharper

asked 2010-04-20T11:24:21.617

24

votes

8

answers

integer division in php

php performance math

asked 2010-04-20T08:58:11.470

90

votes

7

answers

What is the fastest (to access) struct-like object in Python?

python performance data-structures

asked 2010-04-15T14:29:29.157

9

votes

6

answers

How to find root cause for "too many connections" error in MySQL/PHP

php mysql performance

asked 2010-04-15T09:33:09.770

113

votes

10

answers

fastest (low latency) method for Inter Process Communication between Java and C/C++

java c++ performance ipc latency

asked 2010-04-14T06:23:02.407

24

votes

5

answers

SQL indexing on varchar

sql performance postgresql indexing

asked 2010-04-13T18:56:20.950

23

votes

3

answers

Changing POST data used by Apache Bench per iteration

performance apache benchmarking apachebench

asked 2010-04-08T19:35:07.923

30

votes

3

answers

MongoDB's performance on aggregation queries

performance mongodb

asked 2010-04-08T12:56:29.083

23

votes

1

answers

MySQL index cardinality - performance vs storage efficiency

mysql indexing performance cardinality

asked 2010-04-08T02:23:03.197

22

votes

4

answers

Is there any super fast algorithm for finding LINES on picture?

algorithm performance image-processing line straight-line-detection

asked 2010-04-08T00:06:19.677

89

votes

10

answers

What is more efficient: System.arraycopy or Arrays.copyOf?

java arrays performance

asked 2010-04-07T03:00:22.127

10

votes

4

answers

Looking for a fast hash-function

hash random performance

asked 2010-04-04T20:29:59.227

13

votes

10

answers

How to keep only duplicates efficiently?

c++ algorithm stl performance unique

asked 2010-03-31T03:05:31.173

30

votes

9

answers

Python if statement efficiency

python performance

asked 2010-03-29T15:25:38.537

112

votes

4

answers

What is the cost of atomic operations?

performance atomic cpu-architecture lock-free

asked 2010-03-29T13:11:25.180

193

votes

14

answers

Why do people say that Ruby is slow?

ruby performance

asked 2010-03-27T15:40:06.533

24

votes

3

answers

Fastest way to uniqify a list in Python

python performance list

asked 2010-03-26T23:17:37.940

13

votes

3

answers

SQL INSERT performance omitting field names?

sql performance

asked 2010-03-24T18:20:53.653

66

votes

5

answers

The cost of passing by shared_ptr

c++ performance shared-ptr

asked 2010-03-23T18:03:59.310

9

votes

10

answers

When is performance gain significant enough to implement that optimization?

performance language-agnostic optimization

asked 2010-03-23T00:37:21.643

34

votes

9

answers

Is str.replace(..).replace(..) ad nauseam a standard idiom in Python?

python performance replace idioms

asked 2010-03-20T18:11:12.900

16

votes

3

answers

How well does Scala perform compared to Java?

performance scala

asked 2010-03-19T18:47:14.280

16

votes

7

answers

Detecting when Javascript is performing poorly

javascript jquery performance

asked 2010-03-19T07:57:04.903

130

votes

4

answers

Using lambda expressions for event handlers

c# performance events lambda

asked 2010-03-17T18:56:40.543

12

votes

4

answers

Explanation of sqlite_stat1 table

sql sqlite indexing performance

asked 2010-03-16T16:33:56.527

30

votes

7

answers

is there a performance hit when using enum.values() vs. String arrays?

java performance enums

asked 2010-03-15T09:42:40.353

18

votes

6

answers

Java Performance measurement

java performance multithreading

asked 2010-03-14T03:24:05.697

139

votes

11

answers

Python vs Bash - In which kind of tasks each one outruns the other performance-wise?

python performance bash

asked 2010-03-11T12:42:52.783

27

votes

5

answers

Any recommended Java profiling tutorial?

java performance profiling

asked 2010-03-11T03:15:31.027

21

votes

5

answers

How to populate an array with recordset data

performance ms-access

asked 2010-03-08T22:18:37.263

53

votes

16

answers

' ... != null' or 'null != ....' best performance?

java performance micro-optimization

asked 2010-03-08T00:14:11.900

72

votes

22

answers

C# quickest way to shift array

c# arrays performance

asked 2010-03-04T17:13:51.860

9

votes

3

answers

Python: Fast querying in a big dbf (xbase) file

python performance python-3.x dbf xbase

asked 2010-03-03T16:38:47.493

114

votes

11

answers

UUID performance in MySQL?

mysql performance innodb sequence uuid

asked 2010-03-02T17:14:44.267

11

votes

5

answers

C/C++ versus Java/C# in high-performance applications

java c performance

asked 2010-02-27T21:02:01.197

132

votes

10

answers

SQL SELECT speed int vs varchar

sql performance postgresql select

asked 2010-02-27T10:02:53.540

16

votes

4

answers

Persistent SMTP connection in PHPMailer

php performance smtp phpmailer persistent-connection

asked 2010-02-25T12:30:29.500

15

votes

1

answers

Oracle number and varchar join

performance oracle-database join to-char ora-01722

asked 2010-02-24T23:19:25.893

13

votes

7

answers

Why is 'join' faster than normal concatenation?

javascript python performance string-concatenation

asked 2010-02-24T09:44:23.927

14

votes

3

answers

SqlAlchemy optimizations for read-only object models

python performance sqlalchemy readonly

asked 2010-02-23T23:01:10.263

16

votes

4

answers

Performance of DrawingVisual vs Canvas.OnRender for lots of constantly changing shapes

wpf performance

asked 2010-02-23T15:36:47.927

9

votes

7

answers

Which has been the most reliable, fastest Windows C++ profiler that you have used?

c++ windows visual-studio profiler performance

asked 2010-02-21T23:59:21.587

87

votes

18

answers

Fast query runs slow in SSRS

performance reporting-services report reportingservices-2005

asked 2010-02-17T19:55:31.207

43

votes

5

answers

Do C# static functions perform better than nonstatic functions, beyond reduced memory usage?

c# performance optimization static keyword

asked 2010-02-16T17:32:02.103

43

votes

5

answers

C# FindAll VS Where Speed

c# performance where-clause findall

asked 2010-02-14T05:23:58.057

9

votes

2

answers

Impact of 'instanceof' in Android Java code

android performance garbage-collection dalvik instanceof

asked 2010-02-13T23:10:34.443

50

votes

17

answers

Does using large libraries inherently make slower code?

c++ c performance boost glib

asked 2010-02-11T20:23:53.170

Questions tagged performance