Support Forums: Message List - Stop Handling Exceptions: Your Code Will Run Faster http://www.theserverside.com Most recent forum messages en Jive Forums Silver 5.5.30 (www.jivesoftware.com) Tue, 21 May 2013 00:04:21 -0400 As for performance... http://www.theserverside.com/discussions/thread.tss?thread_id=62168 ...]]> Wed, 27 Apr 2011 09:00:26 -0400 Wed, 27 Apr 2011 09:00:26 -0400 Wed, 27 Apr 2011 09:00:26 -0400 Apr 27, 2011 Lautaro Brasseur 0 How to measure properly http://www.theserverside.com/discussions/thread.tss?thread_id=62168 Alois here is an article that will help you to understand how better to measure overhead.

...]]> Fri, 22 Apr 2011 02:35:00 -0400 Fri, 22 Apr 2011 02:35:00 -0400 Fri, 22 Apr 2011 02:35:00 -0400 Apr 22, 2011 wlouth 0 So what we are trying to demonstrate ? http://www.theserverside.com/discussions/thread.tss?thread_id=62168 It's in the compiler theory, if anybody would bother to remember / read: Exception handling mechanism is slow compared with return values. It is the compromise between readability and machine. It is normally aggravated by reading activation records...]]> Thu, 21 Apr 2011 05:02:17 -0400 Thu, 21 Apr 2011 05:02:17 -0400 Thu, 21 Apr 2011 05:02:17 -0400 Apr 21, 2011 Radu Dumitriu 0 Too many exceptions being thrown is the problem http://www.theserverside.com/discussions/thread.tss?thread_id=62168 Ok, so dumping a stack trace may be slow but if your app is throwing a sufficient number of exceptions to make this anything but totally insignificant then you've either written your app in a very bad way (to rely on exceptions being thrown via the...]]> Wed, 20 Apr 2011 07:02:04 -0400 Wed, 20 Apr 2011 07:02:04 -0400 Wed, 20 Apr 2011 07:02:04 -0400 Apr 20, 2011 Chris Golfman 0 Stop Handling Exceptions: Are you achieving something? http://www.theserverside.com/discussions/thread.tss?thread_id=62168 Handling exception is within the tenets of application programming. You can't just run away from it. I guess the important concern is how to "manage" the exception in such way that your performance is not impacted so much.

...]]> Wed, 20 Apr 2011 00:22:48 -0400 Wed, 20 Apr 2011 00:22:48 -0400 Wed, 20 Apr 2011 00:22:48 -0400 Apr 20, 2011 TheFollower 0 Stop Handling Exceptions: Your Code Will Run Faster http://www.theserverside.com/discussions/thread.tss?thread_id=62168 That's definitely an issue, if not done properly. I was just measuring our web application and was wondering why the cpus where spinning at 80-90% (testing just with 15 threads with lot of waiting for queries). I found out that for a single page there...]]> Tue, 19 Apr 2011 15:47:57 -0400 Tue, 19 Apr 2011 15:47:57 -0400 Tue, 19 Apr 2011 15:47:57 -0400 Apr 19, 2011 Philip Herbst 0 Stop Handling Exceptions: Your Code Will Run Faster http://www.theserverside.com/discussions/thread.tss?thread_id=62168 You learned 

...]]> Mon, 18 Apr 2011 12:55:49 -0400 Mon, 18 Apr 2011 12:55:49 -0400 Mon, 18 Apr 2011 12:55:49 -0400 Apr 18, 2011 wlouth 0 Stop Handling Exceptions: Your Code Will Run Faster http://www.theserverside.com/discussions/thread.tss?thread_id=62168 So, what did we learn "Stop Handling Exceptions" OR "Handling Exceptions, but avoid using too many stack trace calls"? As per my practical experience, it is later. 

]]> Mon, 18 Apr 2011 02:28:21 -0400 Mon, 18 Apr 2011 02:28:21 -0400 Mon, 18 Apr 2011 02:28:21 -0400 Apr 18, 2011 Shahzad Masud 1 I disagree http://www.theserverside.com/discussions/thread.tss?thread_id=62168 ...]]> Mon, 18 Apr 2011 00:41:15 -0400 Mon, 18 Apr 2011 00:41:15 -0400 Mon, 18 Apr 2011 00:41:15 -0400 Apr 18, 2011 Ramasubramanian Sankar 0 Will we ever learn http://www.theserverside.com/discussions/thread.tss?thread_id=62168 Its funny to hear this discussion from time to time. It is popping up in different shapes now and then. Some developers like to discuss perfomance and long ago this was relevant. CPU-cycles used to be expensive but that was long ago. CPU is cheap...]]> Fri, 15 Apr 2011 14:52:49 -0400 Fri, 15 Apr 2011 14:52:49 -0400 Fri, 15 Apr 2011 14:52:49 -0400 Apr 15, 2011 Curt Johansson 0 Absurd, but true http://www.theserverside.com/discussions/thread.tss?thread_id=62168 ...]]> Fri, 15 Apr 2011 06:56:42 -0400 Fri, 15 Apr 2011 06:56:42 -0400 Fri, 15 Apr 2011 06:56:42 -0400 Apr 15, 2011 pellep 1 An exceptionally bad start - in numbers? http://www.theserverside.com/discussions/thread.tss?thread_id=62168 The article I referenced shows JBoss AS creating more than 21,000 exceptions just in starting up.

...]]> Thu, 14 Apr 2011 16:07:07 -0400 Thu, 14 Apr 2011 16:07:07 -0400 Thu, 14 Apr 2011 16:07:07 -0400 Apr 14, 2011 wlouth 0 An exceptionally bad start - in numbers? http://www.theserverside.com/discussions/thread.tss?thread_id=62168 50 ms for a single database call is a ridiculously slow operation. The banks we work with have queries performed in single digits. And lets not forget that not every single enterprise Java application out there uses a database in its critical...]]> Thu, 14 Apr 2011 15:47:13 -0400 Thu, 14 Apr 2011 15:47:13 -0400 Thu, 14 Apr 2011 15:47:13 -0400 Apr 14, 2011 wlouth 0 An exceptionally bad start - in numbers? http://www.theserverside.com/discussions/thread.tss?thread_id=62168 ...]]> Thu, 14 Apr 2011 14:11:24 -0400 Thu, 14 Apr 2011 14:11:24 -0400 Thu, 14 Apr 2011 14:11:24 -0400 Apr 14, 2011 Pavel Grushetzky 2 An exceptionally bad start http://www.theserverside.com/discussions/thread.tss?thread_id=62168 I was too quick with my previous post.

I got the same value for 300 methods: 0.27ms, the 0.03ms is when you just throw it without getStacktrace().

 

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