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warpAffineLinear performance
I'm trying to convert an application built with Ipp 8.0.1 to Ipp 2017.1. Problem arises with function ippiResizeSqrPixel_16s_C1R removed from current library. I need precise scale factor and x and y...
View ArticleBGRtoLAB wrong formula specified?
HII have a question about the function BGRtoLABfor LAB, there is a case condition specified in the Manual:L = 903.3 * (Y/Yn)1/3. for Y/Yn≤ 0.008856Now, if I take the border case , 0.008856^(1/3) is...
View ArticleOpenCV is not showing improvement when running with IPP
Hi All,I installed latest IPP product and I have video processing code in OpenCV. I recompiled OpenCV with flag WITH_IPP however I don't see any performance improvement. What I'm missing ? How can I...
View ArticleHow to use ippiLUT8u_C3IR
Hi.I would like to use IppiLUT (ipp 9.0) to convert input rgb image (unsigned 8 bit) to different rgb image values.So i need LUT with input size of 256*256*256 = 16MB and output size of 16MB * 3 (16MB...
View ArticleLNK2005 error in VS2015
Hello,I'm upgrading to the latest version of IPP, v2017 update 1.When I build my C++ dll project in VS2015 in 32bit I get these link errors: 1>ippsmt.lib(psexpca_px---ippsExpOne.obj) : error...
View ArticleResamplePolyphaseFixed_32f crashes
I've been experimenting with using the polyphase resampler in IPP for resampling low sample rates without an integer resampling factor. (As an example, upsampling 400Hz to 480Hz).I've created a simple...
View ArticleMPEG-4
Is MPEG-4 encode and decode still supported by IPP [or any other Intel software product]? A search of the forum with keyword "MPEG" only shows messages that are ten years old. Thanks.Zone:...
View Articleippcp.h missing
I have a student license for Parallel Studio Windows and was trying to use the IPP crypto library.The headers seem to be missing (Haven't checked the libraries yet).Zone: Windows*Thread Topic: Help Me
View ArticleBigNum to byte stream
I am implementing an SGX Attestation Service Provider using IPP Crypto.I have derived a shared DH secret with the other party and now want to derive other keys from it using an AES CMAC.The DH secret...
View ArticleIntel IPP & Xeon PHi Coprocessor Multi-threading
Hello.How can I use multi threaded mode for Intel Integrated Performance Primitives 2017 Update 1 on Intel Xeon Phi Coprocessor? I use native mode program (not offload) and I compile project from...
View ArticleElliptic Curve Digital Signature: [message < G.ord]
When using ippsSignDSA, does the developer have to feed a message smaller than the order of the generator or does the function itself compute the modulus in case it is not?Thread Topic: Question
View ArticleThe example of FFT in IPP9.0 (2016XE)
hi ,I want to use FFT on the Xeon Phi ,but the MKL-FFT performance is not good.I want to try IPP ,but I can not find the FFT API in IPP guide .And the path which the guide mentioned...
View Articlealternative for IPP 6.1 method ippsNthMaxElement() in IPP 9.0
I am porting my code from IPP 6.1 to IPP 9.0. I need to calculate nth max value from a 32F image. As ippsNthMaxElement() from IPP 6.1 is deprecated, I tried writing my own method to get this...
View ArticleBad start - ipptest.cpp doesn't compile
I just installed the community version of ipp_2017.0.098. and am trying the ipptest.cpp sample code on the Getting Started page and I'm getting the following errors on Centos 6, with gcc 4.4:g++...
View Articleipp in nuget
Gergana S. from Intel recently posted a couple of articles on how to install ipp from apt/yum. It would be great if Intel added a nuget package for ipp as well, to ease installing in Windows/Visual...
View ArticleSoftware Manager not Working
Hi,I have Parallel Studio and the SGX SDK installed. But the Software Manager says I have nothing installed. I would like to update my IPP and Math Kernel libraries. What do you suggest I do?Thread...
View ArticleCan I get ipp for version 7.x ?
hello, I need an old version of ipp, 7.x, but I can not find it. Anybody can help me ? thanks a lot ...Thread Topic: How-To
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IPP 6.1 ResizeShift() equivalent in IPP 9.0
Hi,I need to get ResizeShift() method from IPP 6.1 replaced by IPP 9.0 equivalent method. Output for IPP 9.0 using the following code does not match with IPP 6.1.Input Parameters used:srcRoi = {8, 8};...
View ArticleWarp functions with antialiasing
I'm using warp functions to get correct chroma siting. RGBToYCbCr422() just averages the chroma of the 4 pixels, when the chroma should be between the leftmost two pixels for mpeg2 and avc....
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