java Programming Glossary: measuring

Java: `if` condition efficiency

http://stackoverflow.com/questions/13626659/java-if-condition-efficiency

The only good way to optimize for performance is by measuring the performance of a program using a profiler determining where..

Threads configuration based on no. of CPU-cores

http://stackoverflow.com/questions/13834692/threads-configuration-based-on-no-of-cpu-cores

you might also be interested in Amdahl's law which aims at measuring the maximum speed up you can expect from parallelising a program...

Is string concatenaion really that slow?

http://stackoverflow.com/questions/15177987/is-string-concatenaion-really-that-slow

as a very heavy difference. Am I doing something wrong in measuring this or is this supposed to happen java performance testing.. improve this question Am I doing something wrong in measuring this or is this supposed to happen It's supposed to happen...

How do I measure time elapsed in Java? [duplicate]

http://stackoverflow.com/questions/1770010/how-do-i-measure-time-elapsed-in-java

the ten answers posted so far are quite right. If you are measuring elapsed time and you want it to be correct you must use System.nanoTime..

Is there a memory-efficient replacement of java.lang.String?

http://stackoverflow.com/questions/231051/is-there-a-memory-efficient-replacement-of-java-lang-string

of java.lang.String After reading this old article measuring the memory consumption of several object types I was amazed..

How do I calculate the elapsed time of an event in java?

http://stackoverflow.com/questions/238920/how-do-i-calculate-the-elapsed-time-of-an-event-in-java

I would avoid using System.currentTimeMillis for measuring elapsed time. currentTimeMillis returns the 'wall clock' time..

Java loop for a certain duration

http://stackoverflow.com/questions/2550536/java-loop-for-a-certain-duration

do a for loop for a certain amount of time easily without measuring the time ourselves using System.currentTimeMillis I.e. I want..

What is microbenchmarking?

http://stackoverflow.com/questions/2842695/what-is-microbenchmarking

It means exactly what it says on the tin can it's measuring the performance of something small like a system call to the..

Why is my System.nanoTime() broken?

http://stackoverflow.com/questions/3274892/why-is-my-system-nanotime-broken

is intended for exactly the purpose we're using it measuring elapsed time more accurately than currentTimeMillis . Does anyone..

How to get link speed programmatically?

http://stackoverflow.com/questions/4429605/how-to-get-link-speed-programmatically

link speed this is only available at a high level actually measuring not the link speed but the speed between your phone and a server..

Is System.nanoTime() completely useless?

http://stackoverflow.com/questions/510462/is-system-nanotime-completely-useless

time1 Now in a multi core system it could be that after measuring time1 the thread is scheduled to a different processor whose..

How to prevent JComboBox from becoming unresponsive when using a custom ListCellRenderer

http://stackoverflow.com/questions/5896282/how-to-prevent-jcombobox-from-becoming-unresponsive-when-using-a-custom-listcell

size. You can prevent that by setting a prototypeValue for measuring then the size is measured once using that prototype comboBox.setPrototypeDisplayValue..

Really force file sync/flush in Java

http://stackoverflow.com/questions/730521/really-force-file-sync-flush-in-java

system also the specific Java version. How are you measuring this throughput You're correct that force sync should force..

Is there a stopwatch in java

http://stackoverflow.com/questions/8255738/is-there-a-stopwatch-in-java

Efficiency of Java “Double Brace Initialization”?

http://stackoverflow.com/questions/924285/efficiency-of-java-double-brace-initialization

and slow program startup slightly thanks to @coobird for measuring that . @Thilo pointed out that garbage collection can be affected..