Revision 288526cf7500f496c36eb0e74500e4fd4547b6fb authored by Dillon Sharlet on 28 January 2021, 17:52:16 UTC, committed by GitHub on 28 January 2021, 17:52:16 UTC
* Encapsulate more symbols.
1 parent f427ad1
StorageFolding.h
#ifndef HALIDE_STORAGE_FOLDING_H
#define HALIDE_STORAGE_FOLDING_H
/** \file
* Defines the lowering optimization pass that reduces large buffers
* down to smaller circular buffers when possible
*/
#include <map>
#include <string>
#include "Expr.h"
namespace Halide {
namespace Internal {
class Function;
/** Fold storage of functions if possible. This means reducing one of
* the dimensions module something for the purpose of storage, if we
* can prove that this is safe to do. E.g consider:
*
\code
f(x) = ...
g(x) = f(x-1) + f(x)
f.store_root().compute_at(g, x);
\endcode
*
* We can store f as a circular buffer of size two, instead of
* allocating space for all of it.
*/
Stmt storage_folding(const Stmt &s, const std::map<std::string, Function> &env);
} // namespace Internal
} // namespace Halide
#endif
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