OpenACC Tutorial - Profiling: Difference between revisions

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|make  
|make  
|result=
|result=
pgc++ -fast  -c -o main.o main.cpp
nvc++   -c -o main.o main.cpp
"vector.h", line 30: warning: variable "vcoefs" was declared but never
nvc++ main.o -o cg.x
      referenced
      double *vcoefs=v.coefs;
                    ^
 
pgc++ main.o -o cg.x -fast
}}
}}


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}}
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== Compiler Feedback  == <!--T:16-->
== Compiler Feedback  == <!--T:16-->
Before working on the routine, we need to understand what the compiler is actually doing by asking ourselves the following questions:
Before working on the routine, we need to understand what the compiler is actually doing by asking ourselves the following questions:
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