Viewing source code when compiling coarray code

Viewing source code when compiling coarray code

Bruce Weaver的头像
Bruce Weaver
星期六, 06/10/2012 - 16:02

Hi,

Compiling 2013 Fortran code with Coarrays, I can't get Amplifier to show the source code.  Has this not been developed yet?  Is there a workaround?  Or am I just missing something?  If it is coming soon, when is soon estimated to arrive?

thanks

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Peter Wang (Intel)的头像
Peter Wang (Intel)
星期一, 08/10/2012 - 01:41

I tried simple case coarray_samples from C:\Program Files (x86)\Intel\Composer XE 2013\Samples\en_US\Fortran, ran concurrency analysis with built application. Here are results:

Function / Call Stack CPU Time by Utilization Overhead Time Wait Time by Utilization Module Function (Full)
for_rtl_ICAF_FINALIZE 101.003s 7.781s 0.017s libicaf.dll for_rtl_ICAF_FINALIZE
for_rtl_ICAF_INIT 62.040s 13.917s 2.063s libicaf.dll for_rtl_ICAF_INIT
...

You can see that hot functions locate at module libicaf.dll, I suppose that the module was from Fortran compiler without source code. If you want to see hot source line, you may contact Fortran compiler support (but I am not sure if source code is open source). If you had much time spent in module coarray_samples.exe, where have your source - then you can navigate source with performance data.

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Bruce Weaver的头像
Bruce Weaver
星期一, 08/10/2012 - 12:48

Hi,

I ran the sample (hello_image.f90) and still had the same problem -- running a hotspot analysis, there is no source file available. What do I have to do to show the source file when doing the profiling of co-arrays? I can see the source files when I run the hotspot analysis on a serial program. I left all the settings that came with the sample alone and the source, when I go to compile it, is plainly visible.

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Bruce Weaver的头像
Bruce Weaver
星期一, 08/10/2012 - 12:48

Hi,

I ran the sample (hello_image.f90) and still had the same problem -- running a hotspot analysis, there is no source file available. What do I have to do to show the source file when doing the profiling of co-arrays? I can see the source files when I run the hotspot analysis on a serial program. I left all the settings that came with the sample alone and the source, when I go to compile it, is plainly visible.

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Bruce Weaver的头像
Bruce Weaver
星期一, 08/10/2012 - 13:12

Sorry about the repeated message. The message in hot spot results is 'unknown source file'. It does show the assembly code level.

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Peter Wang (Intel)的头像
Peter Wang (Intel)
星期一, 08/10/2012 - 19:17

As I explained last time, hot function for_rtl_ICAF_FINALIZE() is in module libicaf.dll come from Intel Fortran Compiler - which has no associated source files.

However I can't open source which is the caller of for_rtl_ICAF_FINALIZE () - main(), it should be navigated in source level.

I will talk with engineering, and post any resolution soon.

Thanks, Peter

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Peter Wang (Intel)的头像
Peter Wang (Intel)
星期一, 29/10/2012 - 20:35

Actualu this is Not a bug, VTune(TM) Amplifier XE shows the function from debug info – the main function auto-generated by compiler and it’s not a user’s main function. Most of CPU time was spent in libicaf.dll which has no source file, but assembly view works.

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