topic Re: how could I count big macro running time in SAS Programming

how could I count big macro running time

xiangpang — Sat, 17 Mar 2018 22:03:24 GMT

Hello,

I want to compare the running time difference of a large MACRO with several different small macro.

For example. one is %macro A and another is %micro B. what code I should use and where I should input?


%micro A;
  %micro bb;
        %micro ccc;
         %mend ccc;
  %mend bb;
%mend A;


%micro B;
  %micro bb;
        %micro ccc;
            %micro dddd;
            %mend dddd;
         %mend ccc;
  %mend bb;
%mend B;

Thanks a lot

Re: how could I count big macro running time

Reeza — Sat, 17 Mar 2018 22:48:11 GMT

https://blogs.sas.com/content/sgf/2015/01/21/sas-timer-the-key-to-writing-efficient-sas-code/

@xiangpang wrote:

Hello,

I want to compare the running time difference of a large MACRO with several different small macro.

For example. one is %macro A and another is %micro B. what code I should use and where I should input?
%micro A;
  %micro bb;
        %micro ccc;
         %mend ccc;
  %mend bb;
%mend A;


%micro B;
  %micro bb;
        %micro ccc;
            %micro dddd;
            %mend dddd;
         %mend ccc;
  %mend bb;
%mend B;
Thanks a lot

Re: how could I count big macro running time

xiangpang — Sat, 17 Mar 2018 23:01:50 GMT

Thank you very much.

Re: how could I count big macro running time

Tom — Mon, 19 Mar 2018 02:54:50 GMT

I think you got an answer to your question but the code you posted is very puzzling. It seems to show marco DEFINITIONS nested inside of each other.

You should NEVER do that.

You can call another macro inside of a macro, so that when it runs they are nested. But the store of compiled macros is a flat directory. At any point in time you can only have one macro named CCC. You cannot have one defined inside of A and a different one that is defined only when B is running. If you compile a new definition of CCC it overwrites the previous definition of CCC.

%macro A;
  %put Inside A;
  %bb;
  %put Back to A;
%mend A;
%macro bb;
  %put Inside BB;
  %ccc;
  %put Back to BB;
%mend bb;
%macro ccc;
  %put Inside CCC ;
%mend ccc;

317  %A;
Inside A
Inside BB
Inside CCC
MPRINT(BB):  ;
Back to BB
MPRINT(A):  ;
Back to A

Re: how could I count big macro running time

xiangpang — Mon, 19 Mar 2018 03:28:37 GMT

Sorry for the confuse. I run macroA and macroB in different dataset at different time. Thanks for the comment. I am still a beginner and thanks for teaching.