Intel® IPP 2019 Update 1 - bzip2 optimization patch has problems
We are focusing in decompression functionality provided by bzip2 library. After intergration of IPP features into original bzip2, we encountered 20% performance boost on OSX and 30% on Linux in our...
View ArticleIs it possible to "force" the use of a specific SIMD?
Hi,is it possible with the awesome IPP library to force the dispatcher to only use a specific arch? Such as "IPP, please only use SSE2"?I'd like to test IPP against some mine intrinsics code, while...
View ArticleDIRECT DOWNLOADING LINKS FOR INTEL PERFORMANCE LIBRARIES FOR WINDOWS 10
The following products are supported with version 2019update 1 which is related to INTEL PERFORMANCE LIBRARIES FOR WINDOWS 1001. Intel Data Analytics Accelaration Library (intel DAAL) version...
View ArticleCalling ipp functions corrupts variables
I have picked up coding with IPP again after some time and an update from windows 7 to windows 10. But now it seems to corrupt the value of variables when I can an ipp malloc function.For instance this...
View ArticleLinking IPP with MinGW_64 for Windows undefined reference errors
We are using Qt 5.12.0 and MinGW 64bit for our Windows application. We statically link IPP libraries to perform FFTs.If I use MSVC2017 I get no link errors, however when I use mingw73_64 I get 234...
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IPP "Invalid Instruction" error on new machine
Hi,We getting alot of IPP runtime errors when running our code on our new machinehere is one example when we run the ippsSet_64fwhy is ippsk0 is loaded while our pc only support up to avx2we are using...
View ArticleippiAlphaCompC inplace
Hi,I have upgraded to newest IPP version and now I can't compile my source, because ippiAlphaCompC_8u_C3IR is missing from ippi.h, although C3IR mod is still specified in online help. In previous...
View ArticleHow can I get the old sample code of ipp8？
The oldest version which I can download is 9.0. I can't find the version 8.0 at the registration center. can anyone send the download url to me? thanks.
View ArticleDeconvLR
Hi,I've checked forum posts regarding Lucy-Richardson deconvolution, but I still can acquire "reasonable" results. An input image is 3-channels RGB image (output image is the same with same...
View ArticleippsFIRSRGetSize results in extremely large bufSize
Hi,Using IPPS version 2018 update 3 and 2019 update 1, both with the same result for the following call.ippsFIRSRGetSize (TAPS_LEN, ipp32f , &specSize, &bufSize );No matter what size TAPS_LEN...
View ArticleA problem with System.DllNotFoundException in the dll file created by...
I created a dll created using the IPP function ippiFFTGetSize_C_32fc (). Referencing this dll file from wpf project (c #) results in "System.DllNotFoundException: Unable to load DLL 'TEST.dll'" error....
View ArticleConcatenate images side by side
Hi, I am new to IPP libraries and I'd like to concatenate 4 images to get one bigger one. From 4 images of size 256*256, I'd like to make one of size 512*512. How is it possible? I guess that playing...
View ArticleDouble precision wavelet transform
Hi, I'd like to know if it was possible to use the wavelet transform in double precision (64bits).ThanksThomas
View ArticleSafety of LZ4 codec in IPP
Hi. I am very pleased to see a considerable boost in performance of the LZ4 codec in IPP. However, I am a bit perplex to not find a safe version for the LZ4 decoding functions, although there are...
View ArticleAccuracy 2D wavelet transform and reconstruction
Hi, I have been working on the implementation of the wavelet transform in 2D and I am quite surprised to see that the reconstruction does not give the same result as the original image when I do a...
View ArticlePossible bug in ippsDecodeLZ4_8u
Hi. I think there should be something that is not working correctly in the ippsDecodeLZ4_8u() function. For example, the next code work flawlessly:#ifdef HAVE_IPP int outlen; int inlen =...
View ArticleIPP Community License
HI, we've got some questions relating to the named-user licenses and their usage in build processes as well as questions regarding the FAQ's.1. relating to:...
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"a.out" received signal SIGILL, Illegal instruction. 0x000000000051a8d8 in...
Hello everyone,I am using canny edge detection function from intel IPP. Actually I am just using the sample code from documentation. I am reading a 8bit gray scale(.bmp) image and applying canny...
View ArticleCrossCorrNorm performance issues Ipp17 and Ipp9
Hello,i have the following performance issues with CrossCorrNorm function.The first issue is with different sizes of the src and template compared to the "old" version of the algorithm.If i use as...
View ArticleUniform Random Noise Generation problem
I'm trying to generate some random uniform noise using IPP but am stuck. The IppsRandUniState_64f is not fully defined, so I'm not sure how to allocate the necessary memory. In the past in IPP, one...
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