benchmarking

How to calculate computer speed

I have a high-speed ADC data capture/analysis program which performs poorly on older computers. This was discovered in beta testing in my customer's lab when one test engineer reported the application was hanging. It turns out that she had an old computer in her lab (single core P4), and the 'hang' was the computer taking a very long tim...

Looking for .NET 3.5 (or upcoming 4.0) GUI Performance Benchmarks

Using ATL/COM-based technology as the basis of comparison, I'm looking for some recent and fairly in-depth benchmarks on .NET Windows forms & controls which compare the two frameworks (if any). For example: Application load/start-time. Resource usage (GDI handles, memory, etc.) Garbage collection pauses (obviously, applies to .NET onl...

web programming language benchmarks?

I'm thinking that as more and more programming moves to the web with similar and a variety of tools and techniques, has anyone come up with a good set of benchmarks for a programming language? I'm thinking server-side languages, like Java, PHP, ASP.net, and C# are the big ones. Though it could be anything like C or perl, I don't want t...

Server Benchmarking: What tools to use with my real-world test data

I want to benchmark a new server using historical HTTP-request data. I have a textfile that contains one day's worth of real historical requests to a production server. What is the best tool for sending that list of requests on the server I'm testing? The tool I use should be able to configure the following: Number of threads making th...

Benchmark website

How can i benchmark a website ? i want to define how many user can i handle simultaneously. Can you suggest me any read / tool that helps ? I don't think that matters but the site is a Flex application that consumes some services provided by tomcat's servlet ...

Trouble deciphering Autobench output

I'm trying to benchmark a simple webserver I wrote, but I'm having trouble deciphering what Autobench has outputted. I've been googling all over for help on this (even going through the autobench and httperf source code) but haven't been able to grok what's going on. I ran the following benchmark on my server: autobench --single_host ...

Is there any simple way to benchmark python script?

Usually I use shell command time. My purpose is to test if data is small, medium, large or very large set, how much time and memory usage will be. Any tools for linux or just python to do this? ...

Demonstrate the Power of a Linux based Load balancing cluster

I have to demonstrate the power of a cluster, i.e its advantage over a normal machine. Is there any way I can show,to the layman that "If this had been done on a normal workstation, it would have taken X hours and with this cluster its the nth fraction of the x hrs taken"? Please suggest some simulations/renders/computational tests tha...

Ruby Benchmark module: meanings of "user", "system", and "real"?

Experimenting with Ruby's Benchmark module... >> Benchmark.bm(7) { |b| b.report('Report:') { s = '' ; 10000.times { s += 'a' } } } user system total real Report: 0.150000 0.010000 0.160000 ( 0.156361) What are the meanings of "user", "system", and "real"? ...

Fastest PHP Type Jugling with settype() vs *val() functions?

I am trying to figure out the fastest way (in PHP 5) to check that a value is the type I need it to be. I created two lines of code which both do the same thing. The problem is that I can't figure out which is fastest based off of benchmarks. (is_scalar($value) ? intval($value) : 0); settype($value, 'integer'); I created the following...

Benchmarking method calls in C#

I'm looking for a way to benchmark method calls in C#. I have coded a data structure for university assignment, and just came up with a way to optimize a bit, but in a way that would add a bit of overhead in all situations, while turning a O(n) call into O(1) in some. Now I want to run both versions against the test data to see if it'...

gwt application logging, profiling, benchmarking

Is there a good methodology for logging/benchmarking/profiling a gwt application to identify bottlenecks? Something like a timing/logging framework or similar. ...

Information on client interrogation to determine execution ability?

I am looking for information concerning a proven process to interrogate the current user's client, and perhaps benchmark a code piece, to determine how effectively the client is executing certain types of code. Obviously writing code as efficiently as possibly is the constant goal. However certain features and effects tend to degrade th...

Apache Benchmark - Randomized querystrings?

heya, I need to benchmark a site, and was thinking of using ab (Apache Benchmark) to do it. We need to hammer it quite hard, and we're interested more in how our app will cope, as opposed to the network bandwidth, hence we're doing it from localhost. The other thing is, we need to pass in a random list of different query strings: i.e...

Speed of data access...

Which do you think would be faster: A) Reading a file 512 bytes in length on a solid state drive in a directory of 1 billion files B) Selecting a 512-byte column by unique indexed key from a database table containing 1 billion records EDIT: Would the OS, database, or file system really make the difference? Is it that close of a race?...

The choice of XML/XSL lib for Python 2.6.x

Currently I have 2 varieties, LXML and libXML2 that both seem to work. I have tried benchmarking both, specifically for parsing memory string and files into XML and importing XSLT stylesheets and applying them. While pure performance based tests indicate that LXML comes on top (applying stylesheets specifically) libxml2 seems to have bee...

Go language benchmarks?

I see the claims that Go is supposed to be almost comparable in speed to C, but are there any benchmarks available yet? ...

Anyone here has benchmarked Intel C++ compiler and GCC?

I am not sure whether I should post this question here, because this seems to be a programming-oriented website. Anyway, I think there must be some gurus here who knows this. Now I have a AMD Opteron server running CentOS 5. I want to have a compiler for a fairly large c++ Boost based program. Which compiler I should choose? ...

Benchmarking SSE instructions

I'm benchmarking some SSE code (multiplying 4 floats by 4 floats) against traditional C code doing the same thing. I think my benchmark code must be incorrect in some way because it seems to say that the non-SSE code is faster than the SSE by a factor of 2-3. Can someone tell me what is wrong with the benchmarking code below? And perhap...

Is there any benchmark which compares PHP and JSP?

I don't want to make a holy war. I just want to know if there is such benchmark? Or maybe you can say something about this thread from your experience? ...