ippsConvolve_32f take about 5 times longer on AVX2 compared to AVX.
Hello All,We measured time that takes to perform ippsConvolve_32f on i5-4402E processor and have seen that ippsConvolve_32f takes about 5 times longer when we using avx2 compared to avx.We tried to use...
View ArticleTexture Compression Functions IPP 8.0
Hi eveyone,İ downloaded the trial edition of IPP 8.0 , i can not find Texture Compression Functions in ippj.h I looked from manual reference 8.0 whether named different but it is like in 7 version,...
View Articleipp installation under linux
After running ipp setup software is installed inside /opt/intelTo add the library to my programming IDE (QT), I added this path to the project...
View ArticleIPP 8.0 problem linking threaded libraries
When compiling using the IPP threaded libraries I receive the linker error message:“LINK : fatal error LNK1104: cannot open file 'threaded/ippcoremt.lib“I have installed 'Intel C++ Studio XE 2013 SP1'...
View ArticleI can not decode MP4A-LATM stream with using UMC::AACDecode.
I use Live555 library for receiving RTSP streams. A lot of RTSP streams contains audio stream with SDP strings:m=audio 0 RTP/AVP 96a=rtpmap:96 MP4A-LATM/48000/2a=fmtp:96...
View ArticleI can not decode MP4A-LATM stream with using UMC::AACDecode.
I use Live555 library for receiving RTSP streams. A lot of RTSP streams contains audio stream with SDP strings:m=audio 0 RTP/AVP 96a=rtpmap:96 MP4A-LATM/48000/2a=fmtp:96...
View ArticleIntegral image for Ipp32f image
Is it possible anyhow to compute an integral image for an image w/ pixels of type Ipp32f (i.e. float) with use of Intel IPP?
View ArticleIPP 7.1 update
I'm trying to find out if there is more than 1 update for IPP 7.1. if so, can you tell me a location. thanks.
View ArticleVS2012 support for IPP 7.0 or 7.1
Hello,I have got reference to the IPP libraries within my software project, which I would like to adapt for Visual Studio 2012 now. This means that the IPP libraries have to be built with VS2012, too....
View ArticleMulScale very slow
Hi all,I found out that some functions are very slow, for example the function ippiMulScale_8u_C3IR takes up to 4ms by using 1920x1080 image on Intel Core i5 CPU, 8GB RAM. (I'm using IPP 7.0 static...
View ArticleippsFIR_Direct
I'm looking at using IPP to optimize a 1024 point FIR filter. For my application I need to update the coefficients every sample, so that the coefficients are smoothly interpolated between different...
View ArticleAsynchronous C/C++ GPU optimization
Hi!If I need to handle quite big image (for example, 4k), could it be efficient to split input image into tiles (tile size can be based on number of GMA cores, to provide full GPU utilzation) and...
View ArticleUsing Intel IPP with pjsip (PJMEDIA)
I want to use Intel IPP with pjsip to provide support for G.729 audio codec. I'm working on OS K 10.8.5. I found a tutorial here but I think it is outdated because the link in step 2 is broken. And the...
View ArticlePorting Ipp6 to Ipp8
Hi all, I am new to Ipp and have tiny experience with ImageProcessing. I need to port old code which is using Ipp6 to our new project. I need some help with ippiResize_8u_C1R function (IPPI_INTER_CUBIC...
View Article[H.264] lossless mode ?
Dear allPlease teach the way to encode with h264 lossless mode.According to the UMC manual, the following parameters are related. profile_idc = HIGH444 (244?) rate_controls.method =...
View ArticleCopying cv::Mat to Ipp
I was wondering if anyone had quick example code for this, I couldn't find any examples in this forum or OpenCV's website. If not, I have a few questions where I am most confused on.OpenCV is...
View Articlehow to decode g729b stream?
hi, everybody! I need to decode g729b stream from rtp. but I do not know how to do this. I try to use USC_G729A_Fxns and USC_G729I_Fxns, even USC_G7291_Fxns, but none of this can work...
View ArticleUIC Multithreading
Hi All,I've been looking into JPEG decoding performance via UIC. I've tried:1) ippSetNumThreads() called with 1, 42) SetThreadingMode() called with JT_OLD, JT_RSTI3) SetNOfThreads() called with...
View ArticleConvert FFT to IPP
I want to convert a source script in c/c++ to IPP, but output's not right. [cpp]void four1(double data[], int nn, int isign){ int n, mmax, m, j, istep, i; double wtemp, wr, wpr, wpi, wi, theta; double...
View Articleno matching version of IPP for crypto library
Hello,I see there was an update posted for the crypto library (8.0.1.139) on 10/15/2013. I have two questions:1) I don't see any matching IPP download that matches this version. Does one exist? 2)...
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