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lat-lara-autotuning-tool's Introduction

LAT - LARA Autotuning Tool

(Ongoing project)

What is Lat

Lat is a tool for code autotuning, built using LARA (a Javascript based language that supports source code transformations) and applied using the Clava tool . It is designed for C/C++. With it, coders may test multilple variants of their code dynamically and then choose the best variant to ship their code.

Lat mimics Intel Software Autotuning Tool (ISAT) behaviour for testing multiple instances of the same code. However, it is build entirely on LARA. Because of this it is platform agnostic and can be more flexible and easier to expand, both in functionalities and languages (not only C and C++).

For details and instructions visit the 📓 Lat Wiki

Folder Structure:

  • 📁 aspects - contains LARA aspects that Lat uses to manipulate the source code AST;
  • 📁 examples - a list of ISAT examples implemented with LAT;
  • 📁 lat - the source code of Lat, implementation of all the Javascript classes and core functions;
  • 📁 templates - html, css and js (extensionless) files that Lat uses to produce the LatReport;
  • 📁 tests - LARA aspect files that contain some tests for lat methods and properties

Presentation on Lat

lat-lara-autotuning-tool's People

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lat-lara-autotuning-tool's Issues

aspectdef getJoinpointsToChangeForLatVarOmp push multiple `$pragma`s sets undefined for next values

if this code in the aspectdef getJoinpointsToChangeForLatVarOmp

select pragma end
apply
    if(latvarOut.name == $pragma.name){
        latvarOut.pragmas.push($pragma);
        break;
    }
end

is changed to (notice the break), to insert multiple pragmas in the LatVarOmp.pragmas:

select pragma end
apply
    if(latvarOut.name == $pragma.name){
        latvarOut.pragmas.push($pragma);
    }
end

the value of the first item in latvarOut.pragmas is correct but, if there are more #pragmas in the source code with the same name, the value of the items in latvarOut.pragmas is undefined, except for the first one

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