Stefano Tommesani

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Results 61 - 80 of 114

Programming/SIMD
These instructions support packed and scalar conversions between 128-bit SIMD floating-point registers and either 64-bit integer MMX registers or 32-bit integer x86 registers. CVTPI2PS converts two 32-bit signed integers in an MMX register...
Friday, 26 April 2013 | Print | PDF |  E-mail | Report | More...
Programming/SIMD
ANDPS returns a bitwise AND between the two operands. ANDNPS returns a bitwise AND NOT between the two operands. ORPS returns a bitwise OR between the two operands. XORPS returns a bitwise XOR between the two operands. ...
Friday, 26 April 2013 | Print | PDF |  E-mail | Report | More...
Programming/SIMD
The basic single precision FP comparison instruction is similar to existing MMX instruction variants: it produces a redundant mask per float of all 1’s or all 0’s, depending upon the result of the comparison. This approach allows the mask to...
Friday, 26 April 2013 | Print | PDF |  E-mail | Report | More...
Programming/SIMD
SHUFPS is able to shuffle any of the numbers from one source operand to the lower two destination fields; the upper two destination fields are generated from a shuffle of any of the four SP FP numbers from the second source operand. By using...
Thursday, 25 April 2013 | Print | PDF |  E-mail | Report | More...
Programming/SIMD
ADDPS (parallel) and ADDSS (scalar) add the pair of operands. SUBPS (parallel) and SUBSS (scalar) subtract the pair of operands. MULPS (parallel) and MULSS (scalar) multiply the pair of operands. DIVPS (parallel) and DIVSS (scalar)...
Thursday, 25 April 2013 | Print | PDF |  E-mail | Report | More...
Programming/SIMD
MOVAPS transfers 128 bits of packed data from memory to SIMD floating-point registers and vice versa, or between SIMD floating-point registers, while MOVUPS makes no assumption for alignment. MOVHPS transfers 64 bits of packed data from...
Thursday, 25 April 2013 | Print | PDF |  E-mail | Report | More...
Programming/Testing
The article related to multi-threading and SSE2 optimizations (you can find it here) uses a quick-and-dirty way to check if the optimized code is correct, i.e. it runs an iteration on a given input image with a reference serial code, stores the...
Thursday, 25 April 2013 | Print | PDF |  E-mail | Report | More...
Programming/Multi-thread
In a previous article named "Easy multi-thread programming Delphi", the AsyncCalls library was used to process multiple images at the same time. However, the processing of every single image was still strictly serial, even if image processing...
Monday, 22 April 2013 | Print | PDF |  E-mail | Report | More...
Programming/Multi-thread
In the AltaPixShare software app, when the user drags a group of images to the target location, the following code iterates over the list of images, and for each image creates the destination file: for i := 0 to Pred(ActiveImages.Count) do begin ...
Saturday, 20 April 2013 | Print | PDF |  E-mail | Report | More...
Programming/Software
This article is a description of the integration of Facebook authentication inside Friend Watchdog. It is not meant to be an introduction or a description of Friend Watchdog's features. Please click here for more information about Friend Watchdog....
Monday, 15 April 2013 | Print | PDF |  E-mail | Report | More...
Programming/Web
The Flash library by Mikal Hart is a wonderful piece of software for improving simple web server apps built on the Arduino: the main problem when designing such apps is that the limited number of RAM available forces the designer either to use an SD...
Thursday, 21 March 2013 | Print | PDF |  E-mail | Report | More...
Programming/Web
At the time of writing, the SkyDrive client application on Windows does not support bandwidth throttling on uploads, so if you start uploading a large number of files, it will try to use all the available bandwidth, and this behaviour has an impact...
Wednesday, 20 February 2013 | Print | PDF |  E-mail | Report | More...
Various/Audio
Kimber SÃO TRÊS MOTIVOS PARA VOCÊ COMPRAR MENOR PREÇO DO MERCADO EXCELENTE CUSTO BENEFÍCIO PRODUTO PRONTA ENTREGA - ORIGINAL. Seu som está com desempenho limitado? Hoje em dia é muito comum que o desempenho de um...
Saturday, 16 February 2013 | Print | PDF |  E-mail | Report | More...
Programming/Software
  The AltaLux image enhancement filter is now available in the popular IrfanView image viewer! Now you can enjoy AltaLux technology inside an advanced image viewer and editor, so trying how AltaLux can effectively enhance your photos...
Sunday, 04 November 2012 | Print | PDF |  E-mail | Report | More...
Programming/Video
Here is video footage from a real-life scene: it's a windy day, so the camera is slightly shaking, and there is a lot of action happening in the road below. This video sequence is useful for the following tests: - checking the direction...
Thursday, 13 September 2012 | Print | PDF |  E-mail | Report | More...
Various/Racing
"Costruito nel 1961, questo tracciato rappresenta uno dei kartodromi più famosi d'Italia, su questo validissimo tracciato, riconosciuto ancora oggi come uno dei piu' tecnici e selettivi d'Europa, hanno mosso i primi passi piloti ormai affermati...
Sunday, 29 July 2012 | Print | PDF |  E-mail | Report | More...
Programming/Web
The Contact form in Joomla! uses the mail server settings to send the contact request email to the site administrator. However, when using SMTP servers (I've tried both Yahoo! and GMail SMTP servers), it does not work, as the email address of the...
Friday, 27 July 2012 | Print | PDF |  E-mail | Report | More...
Programming/Web
  Table of contents 1 - Introduction to Amazon SimpleDB 2 - SimpleDB and Delphi 3 - Extending Data.Cloud.AmazonAPI Download SimpleDBExplorer project files and executable Introduction to Amazon SimpleDB The best...
Friday, 27 July 2012 | Print | PDF |  E-mail | Report | More...
Programming/Video
An application of mine uses DirectDraw to draw video frames on multiple screens, and so far the visualization pipeline used a group of off-screen YUV surfaces that, at the end of the process, are drawn into the primary surface. So this is the code...
Friday, 27 July 2012 | Print | PDF |  E-mail | Report | More...
Programming/Software
The AltaLux image enhancement filter is now available in the popular XnView image viewer! Now you can enjoy AltaLux technology inside an advanced image viewer and editor, so trying how AltaLux can effectively enhance your photos is just a click...
Friday, 14 October 2011 | Print | PDF |  E-mail | Report | More...

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