[performance] Forum Topics

I have two spare computers, one running Windows 7, the Other XP and my maim machine running Windows 7. This is not a networking question. Is it possible to link one or two of the spares to my main machine to harness their processing power and memory to the benefit …

hi, i am a python beginner, at the moment just playing_with/ testing/learning the language, and i must say that i love it. i intend to use it for a new project but i have a question about ... performance. for my project cpython is absolutely ok but, still, i have …

Very basic way to define the correct Internet Speed is utilize the rule of thumb: • 500 KBps is good, 5000 KBps is great, and 50 KBps is terrible. • We have definitely moved past the age of dial-up internet. • Have in mind at least ADSL internet, if not …

Hey guys i d like to pick your brains about something.. Suppose i want to create a database for storing, lets say computer stuff, parts, hardware, peripherals etc.... Which way would be better? 1 ------ Create a Basictable with all the common fields (like ProductName, Price,Guarantee....) and then create multiple …

Well first of all, I want to know if it is true, is Linq faster than default Collections methods like, contains(), size() etc... for example if I load a 3MB text list into a List<T> to find a specific string, will it be faster to use Linq or normal methos …

Hello, I have a problem, I'm interfacing C# with MySQL it seems to be that a lot of connections are left open even when the close() function and the dispose() functions are called. Also I've notice that the server only resists like 80 queryes at the time, then it halts …

[ATTACH=RIGHT]19382[/ATTACH]If you happen to be in the market for an all-in-one Windows PC, the Compaq 6000 Pro from Hewlett Packard is worth of serious consideration. This well-equipped, dual-core workstation performed well in benchmarks and our hands-on tests, and its integrated graphics circuitry drove a highly demanding single-shooter game smoothly, pegging …

We are a group of Stanford students hoping to build a tool that measures third-party plug-in performance. A mocked-up prototype of the tool can be found at [url]http://www.stanford.edu/~cliftonc/cgi-bin/[/url] It's becoming more and more popular for publishers of prominent sites, such as Mashable and many media sites, to include third party …

Ive been given a friends laptop to look at and suspect it has a virus on it as it is incredibly slow and some applications dont load, google chrome wont launch, windows live mail launches but when you try to send an email the program crashes.. and the laptop itself …

Hi, I'm writing a scientific application that has to store a large (1GB to 500GB+) amount of data on a hard drive, and then, once written, read it back sequentially to process it. The amount of data for a particular experiment is known in advance, exact to the byte. When …

Please advise me on any good performance monitoring softwares for Oracle Database. Budget is no issue. I want to find and fix performance bottlenecks in Oracle Database (Oracle 9i Rel2), as well as generate graphs on statistics collected over a period of time. At present I am evaluating: 1) Spotlight® …

Hi all, I've been developing a GoogleCal app for a month or so in my spare time. I've ended up with a shed full of session variables, just so I can keep all the data alive and create an import file for GoogleCal at the end of the process. I …

Rather than cover all the same ground again, may we take the liberty of referring you to [URL="http://www.daniweb.com/reviews/review280960.html"]our earlier review of System Mechanic 9.5[/URL] which provides all the basics of what the software is and what it does? In a nutshell though, System Mechanic is a collection of diagnostic, repair …

In a scenario that caller doesn't necessarily need callee to use memory of one of its local variables of a primitive type to track that variable later for anything, I know that when passing that variable to a callee function; it'd be done by value and that makes total sense …

Hi All, thanks in advance for any replies. Environment: PHP5, MySQL, Windows XP/Server 2000/Server 2003. Problem: Using shell_exec to run a small program connected to a database, waiting for it to finish and then outputting a file which was produced. All was fine until I got a new and larger …

I'm looking to write a program that should be capable of holding around 1000 records, each record will contain a varying number of fields and values. Usually, I'd create a list of dictionaries for something like this but wanted to know if that's the right way to go about it. …

I have this long winded query [code=sql]select i.id,i.name, i.item_type_id, (select it.name from items it, relations rel, relation_types relType where it.id=rel.to_id and rel.from_id=i.id and rel.relation_type_id=relType.id and relType.name='CityCtountry') as cityCountry from items i where i.item_type_id=2;[/code] Cut the long story short, we inherited database from customer that hasn't been happy with other company, …

Developing for the iPad.. I'm having significant scroll view performance issues after: 1. creating a full screen modal view with a scrollview subview with content using 2. a view controller with a view of about 1800 px of hight containing approximately 23 UISegmentedBars (loaded from a nib) This setup obviously …

I have a page with a lot of data validation on it (for a form). But the validation is not actually executed until the user hits Submit. The page loads really slow. Is there a way to control how a page loads so that, as I suspect, the validation Javascript …

First of all, I sincerely hope I have posted this in the appropriate forum. I did read the rules and am doing my best to follow them. I found this website years back when my browser was being redirected to go.google.com and here I found help in removing "unwanted" files, …

I have a listview control in my project, runs in Visual C++ 6.0, that I want to make a sort based on column click. It works good when I have <1000 entries but when it goes over 1000 entries the sorting performance goes down. It takes about 10-15 seconds to …

I optimized very carefully program I was producing by producing the main tight loop functions half a dozen times with various implementation styles. Also i considered amount of passing information in call hierarchy in parameters or letting functions to trust proper initialization of the global variables. I got few interesting …

Hi, While trying to debug some performance issues, we narrowed down the problem to calls to Entity Beans taking long time. Original design is nice and generic but does not scale up in this case. Here are the details: - J2EE application. - Oracle DB - Entity Beans used for …

How do you measure the performance of your C++ perf-critical code ? Are you relying on automatic profilers or do you resort, for particular reasons, to compile time methods ? If today, profiling is still an issue to you, then I would announce to you the availablity of easy profiler …

Thought you were bleeding edge with your quad-core PC? Think again. A company called Tilera today announced that it's working on a chip containing 100 processor cores, which it says could be seen by 2011. It's part of its new TILE-Gx line of 64-bit multi-core processors, the first of which--a …

hi all, I write this program under the C++ not C. But I heaively used the malloc() and free() functions in my code. In brief what my code does is just allocate memory for NFA transition table. It grows dynamically. When the number of transitions is a %4 then it …