All Articles Tagged IPO

Link/UrlTags
OpenMP and IPO[Forums]
I'm using MacOS 10.6.8 and Intel Fortran 11.1-046. I have a code that looks likereal aa(MM,NITS) !$omp parallel do  do it = 1,NITS    call mysub( aa(:,it) )  end do!$omp end parallel doIt...

Posted: 2012-03-09 14:26:23
IPO, OpenMP
IPO&PGO possibly take multiple function return value as constant[Forums]
Recently I try build Ruby 1.9.3 p0 with ICC PGO & IPO on.After clear known issues, whole stuff seems compiled out and tests working.But when I use Ruby's Gem to install something, the program just...

Posted: 2012-02-18 12:37:14
IPO, PGO
unexpected result about an array when ifort is used with -ipo option (possibly a bug)[Forums]
Hello gurus, experts, and fellows, I encountered unexpected results about the values of array elements when the following simple source codes were compiled by Intel ifort. As far as I have tried, I...

Posted: 2011-09-20 08:55:01
-ipo, array, bug, ifort 12.0, interprocedual optimization, IPO, linux
ipo: warning #11015: Warning unknown option -no_compact_unwind[Knowledgebase]
Reference Number : DPD200149444Version : 11.1.080Product : Intel Compiler for Mac OS* X version 11.1.080Operating System : Mac OS X 10.6.x and Xcode 3.2.xProblem Description : Intel Compiler 11.1.080...

Posted: 2010-03-10 21:00:00 by Qale (Intel)
-no_compac_unwind, IPO
/Qvec-reportN doesn't work with /Qipo in the IDE[Knowledgebase]
Reference Number : DPD200139993Version : 11.1Product : Intel® C++ and Visual Fortran Compilers for Windows* and Intel® Parallel ComposerOperating System : Windows*Problem Description : When...

Posted: 2010-01-31 21:00:00 by Brandon Hewitt (Intel)
/Qipo, /Qvec-report, IDE, IPO, Vectorizer
exclusive lock failed[Forums]
Hi everybody,I am trying to compile my code with the option -prof-use but I get a very strange error message from the icc compilermpicc -Wall -O3 -fPIC -xHost -ipo -prof-use -I./include -I../include/ -c...

Posted: 2009-10-14 09:06:26
IPO, profile guided
Intel C++ compiler 11.1.038 integrated to MSVC IDE IPO link phase internal error 0_1149[Forums]
Greetings, Previous version had not this bug. When I compile with "debug" profile (w/o IPO phase), all is OK. When I turn on optimizations in "release" profile, multi-file IPO link phase ends with internal...

Posted: 2009-08-13 05:17:00
0_1149, 11.1.038, code 4, ICC, internal error, internal error 0_1149, IPO, link error, MSVC project, multi-file optimization compilation, problem during multi-file optimization compilation, problem during multi-file optimization compilation (code 4)
ipo: warning #11010 file format not recognized for ... .o[Forums]
Dear ForumReaders, I just recently installed a new ubuntu 8.10 version on my mac via parallels and I am running into problems after installing ifort 11.074 on ubuntu. I did the same install of ubuntu...

Posted: 2009-03-21 19:13:06
IPO
Using xilink with /Qipo and /Qparallel options may cause an Internal compiler error[Knowledgebase]
Reference Number : DPD200110663Version : 11.0.066Operating System : Windows, LinuxProblem Description : When an application is compiled using /Qipo for Windows* (-ipo for Linux*) and /Qparallel...

Posted: 2009-06-22 21:00:00 by Wendy Doerner (Intel)
C++, ClosedSWDefect, compiler, Ice, intel, internal compiler error, IPO, parallel
ifort: -ipo-jobs uses less than n jobs, gives no speedup[Forums]
When I use -ipo-jobs4, hoping to speed up the link phase of my program, I get no speedup.  top shows only one ifort process, requiring 100% of cpu on an 8 core machine with no other programs loading the...

Posted: 2008-12-08 16:38:16
ifort, IPO, ipo-jobs, linking, speedup
Being Successful with the Intel® Compilers -- You Need to Know[Knowledgebase]
Introduction This article is intended to assist developers new to the Intel compilers on how to get maximum performance on IA-32, Intel® 64 and Itanium® processor platforms on the Microsoft Windows*,...

Posted: 2009-12-14 00:00:00 by Brandon Hewitt (Intel)
compiler, floating point, fp, interprocedural, IPO, O0, O1, O2, O3, Od, optimize, PGO, precision, profile guided, Vectorization, x87