slow

Very slow guards in my monadic random implementation (haskell)

Hi! I was tried to write one random number generator implementation, based on number class. I also add there Monad and MonadPlus instance. What mean "MonadPlus" and why I add this instance? Because of I want to use guards like here: -- test.hs -- import RandomMonad import Control.Monad import System.Random x = Rand (randomR ...

CUDA: Memory copy to GPU 1 is slower in multi-GPU

My company has a setup of two GTX 295, so a total of 4 GPUs in a server, and we have several servers. We GPU 1 specifically was slow, in comparison to GPU 0, 2 and 3 so I wrote a little speed test to help find the cause of the problem. //#include <stdio.h> //#include <stdlib.h> //#include <cuda_runtime.h> #include <iostream> #include <f...

mpmovieplayercontroller sometimes has slow load time, what can be the reason? (iPhone)

mpmovieplayercontroller sometimes has slow load time, what can be the reason? thanks ...

Why is IE developer tools so slow?

I've used the developer tools on Chrome, FF and IE, and on IE, it's extremely slow. I was trying to debug iGoogle and it took about 3 minutes to even open the tools page. Can anyone confirm that it's that slow? It works fine on small websites though. ...

ASP.NET site sometimes freezing up and/or showing odd text at top of the page while loading, on load balanced servers

I have various servers (dev, 2 x test, 2 x prod) running the same asp.net site. The test and prod servers are in load-balanced pairs (prod1 with prod2, and test1 with test2). The test server pair is exhibiting some kind of (super) slowdown or freezing during about one in ten page loads. Sometimes a line of text appears at the very top...

Tiled Image for background of DIV is making IE sllllowww when scrolling

Take a look at http://www.pmverge.com at the "We're in Bootstrap Mode" DIV on the right-hand side. Having that background tile image is causing the IE browser (all versions) to drag when scrolling. What can I do to keep that tiled style but not have it slow down IE. background-image: url(http://blog.pmverge.com/assets/images/backgroun...

Why are my basic Heroku Apps Taking 2 seconds to load?

I have created two very simple heroku apps to test out the service, but it's often taking several seconds to load the page when I first visit them: Cropify - Basic Sinatra App (on github) Textile2HTML - Even more basic Sinatra App (on github) All I did was create a simple sinatra app and deploy it. I haven't done anything to mess wi...

Using gmail as SMTP server in Java web app is slow

Hi, I was wondering if anyone might be able to explain to me why it's taking nearly 30 seconds each time my Java web app sends an email using Gmail's SMTP server? See the following timestamps: 13/04/2010-22:24:27:281 DEBUG test.service.impl.SynchronousEmailService - Before sending mail. 13/04/2010-22:24:52:625 DEBUG test.service.impl.S...

Performance of map overlay in conjunction with ItemizedOverlay is very poor

I am trying to display one png (drawable) on a map in about 300 points. I am retrieving the coordinates from a Sqlite table, dumping them in a cursor. When I try to display them by parsing through the cursor, it takes for ever for the images to be drawn, about .5 second per image. I find that to be suspiciously slow, so some insight on h...

WCF Sporadically slow with small data

I have a WCF Service that is hosted through a custom application, as well as a custom client application that talks to the service. The client itself deals with "customers", which are large blocks of information, as well as "comments" which are very small blocks of information. There are approximately 40 people using the client and ser...

Recommend a remote java debugger for slow connections

I tried to find some debugger capable of beeing used on slow networks, like those established via VPN connections. I ended up with doing ssh and starting jdb on remote server. Using IDE debugger in this case (like Eclipse or JSwat) ended up with hangs and timeouts. I think it was because those debuggers register to too much events. Ho...

Slow motion tween text isn't smooth

Hi! i have to create a movie where a text string move in horizontal. the problem is that in the movie (800px wide) the text should go from right to left in about 7 seconds (so it have to go about 400px to the left in 7 sec). i created a motion-tween with ease for my "text" and the tween is long (at 30fps) 30*7=210 frames. the result i...

ColdFusion 8 Slow Performance

We have started a new CF8 app and it is running dog slow. A test where we go around ColdFusion (queries within a database utility) show normal speed (80ms). CF8 returns the same query in something like 60 to 80 seconds! I have been looking online and seeing lots of posts about CF8 and performance problems, but don't get any overall se...

Append in Dom taking more time in IE than Firefox or any other browser.

Hi , I m working on .net framework 3.0 visual studio 08 and Testing it in IE8 and other browsers. Whenever I m inserting new elements in DOM (ex. 300 divs at one time) than I m getting the performance very slow in IE . Why?. If its a javascript debugging which is taking time or what else. Is it really true that IE Dom Append takes much t...

Anyone experiencing slow WPF application with RDLC reports?

Hi guys I have an WPF application for 60 users tops. Some of they are cashier users, and I use RDLC reports to show customer orders. The problem is, users are telling that application is getting slow or hanging. This WPF application uses most up-to-date Enterprise Library. Connection pooling is handled by default, there's no customiz...

ASP SaveToDisk method takes an incredible amount of time

This is a method in ASP Classic that saves a file to disk. It takes a very long time but I'm not sure why. Normally, I wouldn't mind so much, but the files it handles are pretty large so need this needs to faster than 100kB a second save. Seriously slow. (old legacy system, band aid fix till it gets replaced...) Public Sub SaveToDisk(sP...

App is fast on 3GS but slow on 3G

Hi all, I'm new to computer coding and have just finished coding an app and tested it on both 3G and 3GS. On 3GS, it worked as normal as on the simulator. However, when I tried to run it on 3G, the app becomes extremely slow. I'm not sure what's the reason and I hope someone could shed some light on me. Generally, my app has a coupl...

rails using jruby 1.5 - slow!!

Hi! I'm currently using passenger with ree 1.8.7 in production for a rails 2.3.5 project using postgresql as a database. ab -n 10000 -c 100: 285.69 [#/sec] (mean) I read jruby should be the fastest solution, so I installed jruby-1.5.0.rc2 together with jdbc postgres adapter and glassfish. As the performance is really poor, I also sta...

Slow MySQL Query not using filesort

I have a query on my homepage that is getting slower and slower as my database table grows larger. tablename = tweets_cache rows = 572,327 this is the query I'm currently using that is slow, over 5 seconds. SELECT * FROM tweets_cache t WHERE t.province='' AND t.mp='0' ORDER BY t.published DESC LIMIT 50; If I take out either the WHER...

How can I speed up Subversion checkins? (Using ANKH, latest, Visual Studio 2010)

I've started working on a new web project with some friends... we are using the latest Subversion server (installed last week), the latest version of ANKH. My web project is a whapping 1.5 megabytes (that's with all images, css files, dll's after compiling, pdb files... etc). Checking in even super small changes (literally adding the l...