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Performance

For those obsessed with speed and efficiency

Best this year

* Welcome Charlie Hunt, Monica Beckwith, Poonam Parhar, & Bengt Rutisson

17 replies 3

Algorithms v. "The Real World"

22 replies 1

* Welcome Jeremy Kubica

11 replies 1

* Winners: The Java Performance Companion

2 replies 2

Performance

What is the good practice of java heap ?

16 replies

ArrayList vs LinkedList Sorting

6 replies

LinkedList access speed

4 replies 1

Performance

read image in a RasberryPiZerro w take to long in java (BufferedImage)

9 replies

* Winners: The CS Detective: An Algorithmic Tale of Crime, Conspiracy, and Computation

2 replies 1

Cannot allocate heap space when 80% of RAM free

2 replies

Performance

Load testing on web service

2 replies

Trade offs

6 replies

Searching for algo and code improvement and performance

2 replies

For loop embedded taking 58890 ms to run

4 replies

Handling Large MQ objects in Java.

0 replies

Algorithmic Tale as the best preparation for interview in Google?

2 replies

Performance Differences in Exception Handling

3 replies

The CS Detective: Who is the target reader for The CS Detective ?

4 replies

The Java Performance Companion Question: Could bytecode be improved

7 replies

Performance

Block of code taking too much time on Server

2 replies

More »
Best this month

Performance

What is the good practice of java heap ?

16 replies

ArrayList vs LinkedList Sorting

6 replies

Performance

read image in a RasberryPiZerro w take to long in java (BufferedImage)

9 replies

Cannot allocate heap space when 80% of RAM free

2 replies

Searching for algo and code improvement and performance

2 replies

Handling Large MQ objects in Java.

0 replies

More »
Performance Forum at JavaRanch

Better way to process flat file and encrypt

4 years ago 24 replies

Fibonacii

4 years ago 6 replies

Login Module Implementation - Around 20k users for the application

4 years ago 2 replies

Advice on building HashMap

4 years ago 9 replies

Web application Error using Tomcat 7.0

4 years ago 0 replies

better option than TarInputStream to untar a tar file in terms of performance....anyone?

4 years ago 6 replies

Filter, Edit and Serve - Looking for the best approach

4 years ago 8 replies

Enhancing the performace of a batch job

4 years ago 1 reply

testing a single module using jmeter

4 years ago 7 replies

Processing Dump Event "gpf": java -version

4 years ago 0 replies

Processing Dump Event "gpf": java -version

4 years ago 0 replies

Hibernate Connection pooling error

4 years ago 1 reply

OutofMemory while reading JPEG file Using IMAGEIO

4 years ago 5 replies

Introduction to JCache JSR 107

4 years ago 0 replies

Bench Marking JSP

4 years ago 2 replies

Need help regarding multiple JVM in a single server

4 years ago 10 replies

Hey, I think I created the "almost" perfect hash function

4 years ago 8 replies

Code Effectiveness

4 years ago 2 replies

ArrayList vs Vector

4 years ago 21 replies

Which one should i use for a better performance generating reports Jasper Report or jXLS?

4 years ago 2 replies

Speed

4 years ago 3 replies

JProfiler & CPU Time vs. Response Time

4 years ago 1 reply

Problem with visualvm

4 years ago 1 reply

how to optimize this code (recursion and iteratorions)

4 years ago 6 replies

Query Optimization

4 years ago 5 replies

Storing data in session.

4 years ago 6 replies

Finding an optimal solution

4 years ago 2 replies

advice needed to translate bigger XML files above 2MB

4 years ago 3 replies

Servlets Vs JSP

4 years ago 11 replies

Unexpected Standard GC performance boost

4 years ago 10 replies

java.lang.OutOfMemoryError: Java heap space

4 years ago 6 replies

Solving linear equation systems including sparse matrices

4 years ago 2 replies

how about process large XML file(bigger than 1GB) in Java?

4 years ago 11 replies

Compare IP address in a range

4 years ago 6 replies

slow wage calculation

4 years ago 7 replies
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Performance

Best this year

* Welcome Charlie Hunt, Monica Beckwith, Poonam Parhar, & Bengt Rutisson

Algorithms v. "The Real World"

* Welcome Jeremy Kubica

* Winners: The Java Performance Companion

What is the good practice of java heap ?

ArrayList vs LinkedList Sorting

LinkedList access speed

read image in a RasberryPiZerro w take to long in java (BufferedImage)

* Winners: The CS Detective: An Algorithmic Tale of Crime, Conspiracy, and Computation

Cannot allocate heap space when 80% of RAM free

Load testing on web service

Trade offs

Searching for algo and code improvement and performance

For loop embedded taking 58890 ms to run

Handling Large MQ objects in Java.

Algorithmic Tale as the best preparation for interview in Google?

Performance Differences in Exception Handling

The CS Detective: Who is the target reader for The CS Detective ?

The Java Performance Companion Question: Could bytecode be improved

Block of code taking too much time on Server

Best this month

What is the good practice of java heap ?

ArrayList vs LinkedList Sorting

read image in a RasberryPiZerro w take to long in java (BufferedImage)

Cannot allocate heap space when 80% of RAM free

Searching for algo and code improvement and performance

Handling Large MQ objects in Java.

Performance Forum at JavaRanch

Better way to process flat file and encrypt

Fibonacii

Login Module Implementation - Around 20k users for the application

Advice on building HashMap

Web application Error using Tomcat 7.0

better option than TarInputStream to untar a tar file in terms of performance....anyone?

Filter, Edit and Serve - Looking for the best approach

Enhancing the performace of a batch job

testing a single module using jmeter

Processing Dump Event "gpf": java -version

Processing Dump Event "gpf": java -version

Hibernate Connection pooling error

OutofMemory while reading JPEG file Using IMAGEIO

Introduction to JCache JSR 107

Bench Marking JSP

Need help regarding multiple JVM in a single server

Hey, I think I created the "almost" perfect hash function

Code Effectiveness

ArrayList vs Vector

Which one should i use for a better performance generating reports Jasper Report or jXLS?

Speed

JProfiler & CPU Time vs. Response Time

Problem with visualvm

how to optimize this code (recursion and iteratorions)

Query Optimization

Storing data in session.

Finding an optimal solution

advice needed to translate bigger XML files above 2MB

Servlets Vs JSP

Unexpected Standard GC performance boost

java.lang.OutOfMemoryError: Java heap space

Solving linear equation systems including sparse matrices

how about process large XML file(bigger than 1GB) in Java?

Compare IP address in a range

slow wage calculation

Java