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schedule_code_generator_for_code_with_subsystem [2014/07/07 14:46] yun [TargetMapping for the Matrix Multiplication Example] |
schedule_code_generator_for_code_with_subsystem [2017/04/19 13:31] (current) |
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The following code is the alpha program for matrix matrix multiplication with dot-product subsystem. | The following code is the alpha program for matrix matrix multiplication with dot-product subsystem. | ||
- | <sxh alphabets; gutter:false> | + | <sxh alphabets; gutter:true> |
affine matrix_product_SubSyst {N,K,M | N>0 && K>0 && M > 0} // Product between a N*K matrix and a K*M matrix | affine matrix_product_SubSyst {N,K,M | N>0 && K>0 && M > 0} // Product between a N*K matrix and a K*M matrix | ||
input | input | ||
Line 41: | Line 41: | ||
The following command set the SpaceTimeMap for the (n)th input/ | The following command set the SpaceTimeMap for the (n)th input/ | ||
- | < | + | < |
setSpaceTimeMapForUseEquationOptimization(program, | setSpaceTimeMapForUseEquationOptimization(program, | ||
- | <\sxh> | + | </sxh> |
The parameter isInput sepcifies whether the SpaceTimeMap is specified for input or not, and the last three prarameter specifies the space time map for the three special statement attached to the current input/ | The parameter isInput sepcifies whether the SpaceTimeMap is specified for input or not, and the last three prarameter specifies the space time map for the three special statement attached to the current input/ | ||
- | < | + | < |
setSpaceTimeMapForMemoryAllocation(program, | setSpaceTimeMapForMemoryAllocation(program, | ||
setSpaceTimeMapForValueCopy(program, | setSpaceTimeMapForValueCopy(program, | ||
setSpaceTimeMapForMemoryFree(program, | setSpaceTimeMapForMemoryFree(program, | ||
- | <\sxh> | + | </sxh> |
+ | The following script consists all the commands that specifies the TargetMapping for the matrix multiplication example and generates the code. | ||
+ | <sxh cs; gutter: | ||
+ | prog = ReadAlphabets(" | ||
+ | rootSystem = " | ||
+ | subSystem = " | ||
+ | outDir = " | ||
+ | CheckProgram(prog); | ||
+ | |||
+ | #set the spacetimeMap for the subSystem first | ||
+ | setSpaceTimeMap(prog, | ||
+ | setSpaceTimeMap(prog, | ||
+ | |||
+ | #the identification lable for the useEquation | ||
+ | label = " | ||
+ | |||
+ | #set the spacetimeMap for the rootSystem | ||
+ | #set the spacetimeMap for the main subsystem call | ||
+ | setSpaceTimeMap(prog, | ||
+ | |||
+ | #set the SpaceTimeMap for the first input of the useEquation | ||
+ | setSpaceTimeMapForMemoryAllocation(prog, | ||
+ | setSpaceTimeMapForValueCopy(prog, | ||
+ | setSpaceTimeMapForMemoryFree(prog, | ||
+ | |||
+ | #set the SpaceTimeMap for the second input of the useEquation | ||
+ | setSpaceTimeMapForUseEquationOptimization(prog, | ||
+ | |||
+ | #set the spaceTimeMap for the first output of the useEquation | ||
+ | setSpaceTimeMapForUseEquationOptimization(prog, | ||
+ | |||
+ | #command for generating the code | ||
+ | generateScheduledCode(prog, | ||
+ | generateWrapper(prog, | ||
+ | generateMakefile(prog, | ||
+ | </ | ||
+ | |||
+ | ====TargetMapping for Optimization==== | ||
+ | The schedule code generator generates three special statements for each input/ | ||
+ | by the <iP, jP>th instance of the use equation. Assume that the memory for matrix A, B and C are all allocated in row-wise major, the < | ||
+ | |||
+ | The following command is the command that specifies the optimization for the first input of the useEquation C. | ||
+ | <sxh cs; gutter: | ||
+ | setMemorySpaceForUseEuqationOptimization(prog, | ||
+ | </ | ||
+ | The code generated passes the corresponding pointer of A is passed into the function call. | ||