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[diderot] Diff of /trunk/src/compiler/README
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Diff of /trunk/src/compiler/README

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revision 325, Wed Aug 18 17:07:16 2010 UTC revision 430, Mon Oct 18 22:26:52 2010 UTC
# Line 27  Line 27 
27          (see basis, high-il, IL, simplify, translation)          (see basis, high-il, IL, simplify, translation)
28    
29      5) HighIL optimization      5) HighIL optimization
30          *** Not implemented yet ***          The HighIL optimization phase is mostly a normalization phase that
31            lifts static computations to the global level and eliminates
32            dynamic field, kernel, and image values (i.e., statically resolves
33            them).
34          (see high-il, high-il-opt, IL)          (see high-il, high-il-opt, IL)
35    
36      6) Translation to MidIL      6) Translation to MidIL
37          *** Not implemented yet ***          This pass translates the HighIL representation to MidIL.  The main
38            purpose of this step is to replace fields with convolved images.
39            The MidIL includes operations to transform world-space positions
40            to image-space, to load voxels from images, and to evaluate kernels.
41            The MidIL representation supports vector operations, but tensors
42            with order > 1 are flattened.
43          (see high-il, high-to-mid, IL, mid-il)          (see high-il, high-to-mid, IL, mid-il)
44    
45      7) MidIL optimization      7) MidIL optimization
# Line 48  Line 56 
56    
57      8) Code generation      8) Code generation
58          *** Not implemented yet ***          *** Not implemented yet ***
59            (see IL, low-il, c-target, codegen)
60    
61  And here is a roadmap of the subdirectories:  And here is a roadmap of the subdirectories:
62    
# Line 56  Line 65 
65      IL/gen              - A simple program generator for the IL modules.      IL/gen              - A simple program generator for the IL modules.
66      ast                 - The typed AST representation      ast                 - The typed AST representation
67      basis               - The definition of the Diderot Basis environment      basis               - The definition of the Diderot Basis environment
68        c-target            - Backend support for generating C code.
69        codegen             - Generic code-generation infrastructure
70      common              - Various miscellaneous utility modules      common              - Various miscellaneous utility modules
71      driver              - The driver glues the various phases together      driver              - The driver glues the various phases together
72      env                 - The environment representation used in typechecking      env                 - The environment representation used in typechecking
# Line 65  Line 76 
76      high-to-mid         - The HighIL to MidIL translation phase      high-to-mid         - The HighIL to MidIL translation phase
77      low-il              - The LowIL representation      low-il              - The LowIL representation
78      mid-il              - The MidIL representation      mid-il              - The MidIL representation
79        mid-to-low          - The MidIL to LowIL translation phase
80      parser              - The parser, scanner, and parse-tree representation.      parser              - The parser, scanner, and parse-tree representation.
81      simplify            - Contains the Simple AST representation and the      simplify            - Contains the Simple AST representation and the
82                            simplification phase.                            simplification phase.

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