icc 17.0.1 miscompiles valid C code at -O3 on x86_64-linux-gnu
Compiler version and platform: Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64, Version 17.0.1.132 Build 20161005 $ icc -O2 small.c; ./a.out; echo $? 8 $ $ icc -O3 small.c;...
View Articleicc 17.0.1 crashes on valid C code at -Os and above on x86_64-linux-gnu
Compiler version and platform: Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64, Version 17.0.1.132 Build 20161005 $ icc -O1 -c small.c $ $ icc -Os -c small.c": internal error:...
View Articleicc 17.0.1 miscompiles valid C code (compiled code segfaults) at -Os and...
Compiler version and platform: Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64, Version 17.0.1.132 Build 20161005 $ cat small.c struct { int f0:24; volatile int f1; } a = {-8,...
View Articleicc 17.0.1 miscompiles valid C code (compiled code SIGFPE) at -Os and above...
Compiler version and platform: Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64, Version 17.0.1.132 Build 20161005 $ icc -O1 small.c; ./a.out $ $ icc -Os small.c $ ./a.out...
View Articleicc 17.0.1 miscompiles valid C code (compiled code SIGFPE) at -O1 and above...
Compiler version and platform: Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64, Version 17.0.1.132 Build 20161005 $ icc -O0 small.c; ./a.out $ $ icc -O1 small.c $ ./a.out...
View Articleicc 17.0.1 miscompiles valid C code at -O3 on x86_64-linux-gnu
Compiler version and platform: Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64, Version 17.0.1.132 Build 20161005 $ icc -O2 small.c; ./a.out; echo $? 1 $ $ icc -O3 small.c;...
View Articleicc 17.0.1 miscompiles valid C code at -O1 and above on x86_64-linux-gnu
Compiler version and platform: Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64, Version 17.0.1.132 Build 20161005 $ icc -O0 small.c; ./a.out 1 $ $ icc -O1 small.c; ./a.out 0 $ $...
View Articleicc 17.0.1 miscompiles valid C code at -Os and above on x86_64-linux-gnu
Compiler version and platform: Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64, Version 17.0.1.132 Build 20161005 $ icc -O1 small.c; ./a.out; echo $? 0 $ $ icc -Os small.c;...
View Articleicc 17.0.1 miscompiles valid C code at -O1 and above on x86_64-linux-gnu
Compiler version and platform: Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64, Version 17.0.1.132 Build 20161005 $ icc -O0 small.c; ./a.out; echo $? 1 $ $ icc -O1 small.c;...
View Articleicc 17.0.1 miscompiles valid C code at -O2 and -O3 on x86_64-linux-gnu
Compiler version and platform: Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64, Version 17.0.1.132 Build 20161005 $ icc -Os small.c; ./a.out; echo $? 1 $ $ icc -O2 small.c;...
View ArticleMemset/cpy slower in icpc-17 than icpc-12
Hi all, We've noticed some strange behaviour with the Intel C++ compiler that we cannot explain. Our project is currently compiled with the Intel Compiler 12.1.0258 and we are looking at making...
View ArticleMemory leak in ICC 17?
Today I decided to try ICC 2017 Update 1. Halfway into my project the build computer seemed to hang up. I figured out that icpc allocates all RAM (24 GB) even when running with one thread. I restarted...
View Articleicc 17.0.1 miscompiles valid C code at -O1 and above on x86_64-linux-gnu
Compiler version and platform: Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64, Version 17.0.1.132 Build 20161005 $ icc -O0 small.c; ./a.out 0 $ $ icc -O1 small.c; ./a.out 1 $ $...
View Articleicc 17.0.1 miscompiles valid C code at -O1 and above on x86_64-linux-gnu
Compiler version and platform: Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64, Version 17.0.1.132 Build 20161005 $ icc -O0 small.c; ./a.out 0 $ $ icc -O1 small.c; ./a.out 1 $ $...
View Articleicc 17.0.1 miscompiles valid C code at -Os and above on x86_64-linux-gnu
Compiler version and platform: Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64, Version 17.0.1.132 Build 20161005 $ icc -O1 small.c; ./a.out; echo $? 0 $ $ icc -Os small.c;...
View Articleicc 17.0.1 miscompiles valid C code at -O3 on x86_64-linux-gnu
Compiler version and platform: Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64, Version 17.0.1.132 Build 20161005 $ icc -O2 small.c; ./a.out 0 $ $ icc -O3 small.c; ./a.out -1 $...
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Parallel Studio XE Installer PATH environment variable size has exceeded its...
I get the following error trying to install Parallel Studiobut my PATH looks like this
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FFT Compilation Error
Hi .I am trying to run benchfft with linking Intel-mkl but I am getting error with ” undefined reference to `zfft1d_'System Details:OS: Ubuntu 16.04GCC: gcc version 5.4.0 20160609ICC: icc version...
View ArticleUsing Intel-compiled libraries in non-Intel-Compiled projects
Hi,I have been given a few libraries for Windows and OSX that have been compiled using the Intel C++ compiler (both statically and dynamically linked versions are available). I am using MSVC 2012 on...
View ArticleIntel(R) Parallel Studio XE 2017 emulator for linux (SDE)
Hi all,I am a newbe for Parallel Studio,I Trying to understand if there is a emulator that i can use and download that emulates the use of Xeon Phi Coprocessors.As far as i know, I had found that there...
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