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+   #[1]PDF version [2]alternate
+
+Re: BLOCK WAS VECTORIZED.
+     __________________________________________________________________
+
+     * From: Steve Lionel <[3]steve.lionel@xxxxxxxxxxxxx>
+     * Date: Sat, 20 Sep 2008 14:22:31 GMT
+     __________________________________________________________________
+
+   Fatemeh wrote:
+
+     Dear all
+     when I compile my code I see the following lines:
+     main-goodformat2.f90(71): (col. 7) remark: BLOCK WAS VECTORIZED.
+     main-goodformat2.f90(71): (col. 7) remark: BLOCK WAS VECTORIZED.
+     main-goodformat2.f90(82): (col. 8) remark: BLOCK WAS VECTORIZED.
+     main-goodformat2.f90(82): (col. 8) remark: BLOCK WAS VECTORIZED.
+     main-goodformat2.f90(143): (col. 7) remark: BLOCK WAS VECTORIZED.
+     main-goodformat2.f90(144): (col. 7) remark: BLOCK WAS VECTORIZED.
+     main-goodformat2.f90(144): (col. 7) remark: BLOCK WAS VECTORIZED.
+     main-goodformat2.f90(147): (col. 7) remark: BLOCK WAS VECTORIZED.
+     Can these lines cause error in the result?
+
+   No - they are optimization information messages from the compiler
+   letting you know that it figured out it could use vector instructions
+   to perform as many as four operations in one instruction. That they
+   appear by default is somewhat historical.
+   You are using the Intel compiler, which has offered vectorization for
+   many years, but in the past you had to explicitly specify an option to
+   request use of the vector instructions. As of version 10 on x64, and
+   the upcoming version 11 on IA-32, the compiler assumes it is ok to
+   generate SSE2 instructions which have been supported since the Pentium
+   4. All x64 processors and all Intel-based Mac processors support SSE2,
+   for IA-32 the compiler has a switch to restrict it to generic "Pentium"
+   instructions (-mia32 on Linux, /arch:ia32 on Windows.)
+   I can understand your surprise at seeing messages like this when the
+   normal course of events is no messages unless there is an error. I
+   expect we'll see more questions such as yours in the future and I'll
+   suggest to the product team that we turn off the vectorization messages
+   by default. If you want to turn them off, use -vec-report0 on Linux and
+   Mac, and /Qvec-report0 on Windows.
+   --
+   Steve Lionel
+   Developer Products Division
+   Intel Corporation
+   Nashua, NH
+   For email address, replace "invalid" with "com"
+   User communities for Intel Software Development Products
+   [4]http://softwareforums.intel.com/
+   Intel Fortran Support
+   [5]http://support.intel.com/support/performancetools/fortran
+   My Fortran blog
+   [6]http://www.intel.com/software/drfortran
+   .
+     __________________________________________________________________
+
+     * Follow-Ups:
+          + [7]Re: BLOCK WAS VECTORIZED.
+               o From: glen herrmannsfeldt
+
+     * References:
+          + [8]BLOCK WAS VECTORIZED.
+               o From: Fatemeh
+
+     * Prev by Date: [9]Re: Praise for Gfortran (finally)
+     * Next by Date: [10]Re: Praise for Gfortran (finally)
+     * Previous by thread: [11]BLOCK WAS VECTORIZED.
+     * Next by thread: [12]Re: BLOCK WAS VECTORIZED.
+     * Index(es):
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+     __________________________________________________________________
+
+Relevant Pages
+
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+     * [16]Re: Making a program quicker tips...
+       ... "Chris Mantoulidis" wrote in message ... compiler, a different
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+     * [17]Re: A fast way to get snapshot from matlab
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+       ... instructions for use embedded in it. ... sign is a "remark" and
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+       (Fedora)
+     * [19]Re: FizzBuzz (#126)
+       ... Not intended to be rude, but is just a little remark on how
+       much you ... should follow instructions when working. ... the
+       ability of the programmer, but it's important if you want to know
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+       (comp.lang.ruby)
+     __________________________________________________________________
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+References
+
+   1. http://coding.derkeiler.com/pdf/Archive/Fortran/comp.lang.fortran/2008-09/msg00427.pdf
+   2. http://coding.derkeiler.com/Archive/Fortran/comp.lang.fortran/rss.xml
+   3. mailto:steve.lionel@DOMAIN.HIDDEN
+   4. http://softwareforums.intel.com/
+   5. http://support.intel.com/support/performancetools/fortran
+   6. http://www.intel.com/software/drfortran
+   7. http://coding.derkeiler.com/Archive/Fortran/comp.lang.fortran/2008-09/msg00429.html
+   8. http://coding.derkeiler.com/Archive/Fortran/comp.lang.fortran/2008-09/msg00425.html
+   9. http://coding.derkeiler.com/Archive/Fortran/comp.lang.fortran/2008-09/msg00426.html
+  10. http://coding.derkeiler.com/Archive/Fortran/comp.lang.fortran/2008-09/msg00428.html
+  11. http://coding.derkeiler.com/Archive/Fortran/comp.lang.fortran/2008-09/msg00425.html
+  12. http://coding.derkeiler.com/Archive/Fortran/comp.lang.fortran/2008-09/msg00429.html
+  13. http://coding.derkeiler.com/Archive/Fortran/comp.lang.fortran/2008-09/maillist.html#00427
+  14. http://coding.derkeiler.com/Archive/Fortran/comp.lang.fortran/2008-09/threads.html#00427
+  15. http://www.tech-archive.net/Archive/SMS/microsoft.public.sms.admin/2006-06/msg00171.html
+  16. http://coding.derkeiler.com/Archive/C_CPP/comp.lang.cpp/2004-02/1388.html
+  17. http://newsgroups.derkeiler.com/Archive/Comp/comp.soft-sys.matlab/2007-06/msg03775.html
+  18. http://linux.derkeiler.com/Mailing-Lists/Fedora/2008-10/msg00677.html
+  19. http://newsgroups.derkeiler.com/Archive/Comp/comp.lang.ruby/2007-06/msg00457.html
+  20. http://www.9na.de/
+  21. http://coding.derkeiler.com/
+  22. http://www.derkeiler.com/
+  23. http://unix.derkeiler.com/
+  24. http://linux.derkeiler.com/
+  25. http://coding.derkeiler.com/
+  26. http://newsgroups.derkeiler.com/
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+  28. http://www.derkeiler.com/about/
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+  32. http://coding.derkeiler.com/
+  33. http://coding.derkeiler.com/Archive/
+  34. http://coding.derkeiler.com/Archive/Fortran/
+  35. http://coding.derkeiler.com/Archive/Fortran/comp.lang.fortran/
+  36. http://coding.derkeiler.com/Archive/Fortran/comp.lang.fortran/2008-09/
+  37. http://coding.derkeiler.com/pdf/Archive/Fortran/comp.lang.fortran/2008-09/msg00427.pdf
+  38. http://coding.derkeiler.com/Archive/Fortran/comp.lang.fortran/rss.xml
+  39. http://www.quantcast.com/p-abMz3F92T4IJ2