Questions tagged [optimization]

21

votes

4

answers

When do we actually use a Trie?

asked 2012-05-22T07:32:08.213

15

votes

2

answers

Why is -freciprocal-math unsafe in GCC?

c math gcc optimization precision

asked 2012-05-21T03:18:33.780

9

votes

4

answers

How to avoid the performance cost of overflow:hidden?

html css performance optimization html-table

asked 2012-05-15T22:54:24.267

9

votes

3

answers

quadprog optimization

r optimization linear-algebra mathematical-optimization quadratic

asked 2012-05-10T01:05:04.393

8

votes

4

answers

N-Body problen: Efficient parallelization of the double for loop

math optimization parallel-processing

asked 2012-05-09T22:55:55.447

14

votes

2

answers

Leverage browser caching | modifying .htaccess file | - not working for javascript files

javascript .htaccess caching optimization browser-cache

asked 2012-05-09T06:46:33.703

24

votes

4

answers

effect of goto on C++ compiler optimization

c++ optimization compiler-optimization goto

asked 2012-04-30T15:21:57.007

16

votes

4

answers

Find the better intersection of two moving objects

javascript algorithm math optimization geometry

asked 2012-04-27T21:20:03.400

8

votes

3

answers

Logical operations on multiple modulus operations optimised?

c optimization gcc

asked 2012-04-18T18:58:34.037

23

votes

6

answers

Speed of cos() and sin() function in GLSL shaders?

optimization opengl glsl shader jogl

asked 2012-04-14T15:54:38.853

57

votes

8

answers

WHERE clause before INNER JOIN

mysql join optimization where-clause

asked 2012-04-12T23:39:35.260

10

votes

5

answers

Is this solvable in polynomial (or pseudo-polynomial) time?

algorithm optimization mathematical-optimization traveling-salesman np

asked 2012-04-12T16:53:50.757

26

votes

5

answers

Inline keyword vs header definition

c++ optimization inline

asked 2012-04-11T09:20:54.390

14

votes

6

answers

Too many Activities in Android?

android optimization android-activity

asked 2012-04-06T15:20:43.087

18

votes

4

answers

Dyamic vs Static Polymorphism in C++ : which is preferable?

c++ optimization polymorphism static-polymorphism

asked 2012-03-28T11:57:31.077

105

votes

6

answers

Field vs Property. Optimisation of performance

c# .net performance c#-4.0 optimization

asked 2012-03-23T16:30:01.390

9

votes

4

answers

What's the fastest way to do a right bit rotation/circular shift on a byte array

java performance optimization bit-manipulation

asked 2012-03-22T15:23:23.460

10

votes

6

answers

Computationally efficient C++ - general reading

c++ performance optimization

asked 2012-02-27T11:23:16.070

9

votes

4

answers

Fast float to int conversion (truncate)

c optimization floating-point data-conversion truncate

asked 2012-02-18T22:22:26.650

8

votes

4

answers

JVM option to optimize loop statements

java loops optimization jvm

asked 2012-02-17T23:06:54.177

11

votes

2

answers

Find out compilation optimization flag from executable

c++ c optimization gcc g++

asked 2012-02-16T08:40:13.257

15

votes

4

answers

efficiently find the first element matching a bit mask

algorithm search optimization data-structures bitmask

asked 2012-02-12T02:49:43.700

14

votes

5

answers

Fastest way to calculate the distance between two CGPoints?

objective-c math optimization euclidean-distance

asked 2012-02-02T06:44:21.537

9

votes

7

answers

Bit Aligning for Space and Performance Boosts

c++ performance visual-studio-2010 optimization

asked 2012-01-31T20:44:54.003

18

votes

4

answers

Will a good C++ compiler optimize a reference away?

c++ templates optimization argument-passing

asked 2012-01-26T04:40:45.803

20

votes

1

answers

Fastest way for line-by-line reading STDIN?

java performance optimization stdin

asked 2012-01-25T19:22:32.830

25

votes

1

answers

Is it possible to use branch prediction hinting in C#?

c# .net optimization clr

asked 2012-01-15T22:33:22.133

27

votes

6

answers

Why are complicated memcpy/memset superior?

c optimization assembly x86 64-bit

asked 2012-01-13T23:45:22.357

284

votes

20

answers

Declaring variables inside or outside of a loop

java optimization while-loop

asked 2012-01-10T13:01:15.730

67

votes

6

answers

Most efficient way to iterate over all DOM elements

javascript jquery performance dom optimization

asked 2012-01-05T17:42:45.063

12

votes

3

answers

largest possible rectangle of letters

algorithm optimization np-hard

asked 2011-12-14T21:50:34.803

36

votes

5

answers

Fastest way to sort 32bit signed integer arrays in JavaScript?

javascript performance algorithm optimization sorting

asked 2011-11-10T16:02:20.253

30

votes

3

answers

Does Google Closure Compiler ever decrease performance?

javascript optimization google-closure-compiler

asked 2011-11-09T13:45:01.323

14

votes

2

answers

Maximizing the number of combinations of a sum of integers

optimization combinatorics

asked 2011-10-28T06:27:07.920

14

votes

4

answers

How to optimize this short factorial function in scala? (Creating 50000 BigInts)

function scala optimization lazy-evaluation factorial

asked 2011-10-23T00:14:24.577

8

votes

2

answers

GCC optimization trick, does it really work?

c++ gcc optimization coding-style

asked 2011-10-14T00:03:50.997

12

votes

10

answers

Can I guarantee the C++ compiler will not reorder my calculations?

c++ optimization floating-point ieee-754 double-double-arithmetic

asked 2011-10-05T02:29:51.543

85

votes

8

answers

Why are operators so much slower than method calls? (structs are slower only on older JITs)

c# .net performance optimization jit

asked 2011-09-30T20:51:29.493

9

votes

4

answers

Two queries faster than than one?

mysql performance optimization

asked 2011-09-26T14:03:31.093

9

votes

1

answers

canonical file path in java - optimization problem?

java optimization

asked 2011-09-20T01:46:52.647

46

votes

57

answers

How to get second-highest salary employees in a table

sql sql-server t-sql optimization

asked 2011-09-14T13:48:58.323

284

votes

3

answers

Once upon a time, when > was faster than < ... Wait, what?

c optimization opengl cpu gpu

asked 2011-09-07T18:39:29.907

69

votes

2

answers

What is the advantage of GZIP vs DEFLATE compression?

asp.net html optimization http-headers

asked 2011-08-30T13:13:26.613

10

votes

2

answers

Java JIT loop unrolling policy?

java optimization jit loop-unrolling

asked 2011-08-30T12:35:41.780

9

votes

4

answers

InnoDB vs. MyISAM insert query time

mysql database optimization innodb myisam

asked 2011-08-27T21:32:01.883

12

votes

1

answers

Logging Django SQL queries with DEBUG set to False

sql django optimization django-orm

asked 2011-08-24T19:59:52.583

86

votes

8

answers

Fastest way to strip all non-printable characters from a Java String

java string performance optimization micro-optimization

asked 2011-08-23T13:10:54.123

81

votes

10

answers

How can I prevent GCC from optimizing out a busy wait loop?

c optimization gcc avr-gcc

asked 2011-08-16T18:55:02.783

10

votes

2

answers

Can a compiler inline a virtual function if I use a pointer in a clear situation?

c++ optimization inline virtual

asked 2011-07-26T20:46:18.680

22

votes

7

answers

Why is my recursive function so slow in R?

algorithm r optimization recursion fibonacci

asked 2011-07-24T13:33:50.273

Questions tagged optimization