155 lines
4.6 KiB
C++
155 lines
4.6 KiB
C++
/* Copyright 2015-2017 Philippe Tillet
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _ISAAC_SYMBOLIC_EXPRESSION_H
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#define _ISAAC_SYMBOLIC_EXPRESSION_H
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#include <utility>
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#include <vector>
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#include <list>
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#include "isaac/driver/backend.h"
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#include "isaac/driver/context.h"
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#include "isaac/driver/command_queue.h"
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#include "isaac/driver/event.h"
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#include "isaac/driver/kernel.h"
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#include "isaac/driver/ndrange.h"
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#include "isaac/driver/buffer.h"
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#include "isaac/jit/syntax/expression/operations.h"
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#include "isaac/tools/cpp/tuple.hpp"
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#include "isaac/types.h"
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#include "isaac/value_scalar.h"
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#include <memory>
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#include <iostream>
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namespace isaac
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{
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class array_base;
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struct invalid_node{};
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enum node_type
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{
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INVALID_SUBTYPE = 0,
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COMPOSITE_OPERATOR_TYPE,
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VALUE_SCALAR_TYPE,
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DENSE_ARRAY_TYPE,
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};
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union handle_t
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{
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cl_mem cl;
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CUdeviceptr cu;
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};
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struct array_holder
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{
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int_t start;
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handle_t handle;
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array_base* base;
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};
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class expression_tree
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{
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public:
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struct node
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{
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//Constructors
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node();
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node(invalid_node);
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node(value_scalar const & x);
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node(array_base const & x);
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node(int_t lhs, op_element op, int_t rhs, numeric_type dtype, tuple const & shape);
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//Common
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node_type type;
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numeric_type dtype;
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tuple shape;
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tuple ld;
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//Type-specific
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union
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{
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//Operator
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struct{
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int_t lhs;
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op_element op;
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int_t rhs;
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}binary_operator;
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//Scalar
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values_holder scalar;
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//Array
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array_holder array;
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};
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};
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typedef std::vector<node> data_type;
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public:
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expression_tree(node const & lhs, node const & rhs, op_element const & op, driver::Context const * context, numeric_type const & dtype, tuple const & shape);
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expression_tree(expression_tree const & lhs, node const & rhs, op_element const & op, driver::Context const * context, numeric_type const & dtype, tuple const & shape);
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expression_tree(node const & lhs, expression_tree const & rhs, op_element const & op, driver::Context const * context, numeric_type const & dtype, tuple const & shape);
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expression_tree(expression_tree const & lhs, expression_tree const & rhs, op_element const & op, driver::Context const * context, numeric_type const & dtype, tuple const & shape);
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tuple shape() const;
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int_t dim() const;
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data_type const & data() const;
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std::size_t root() const;
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driver::Context const & context() const;
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numeric_type const & dtype() const;
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node const & operator[](size_t) const;
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node & operator[](size_t);
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expression_tree operator-();
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expression_tree operator!();
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private:
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data_type tree_;
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std::size_t root_;
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driver::Context const * context_;
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};
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template<class T> typename std::enable_if<!std::is_arithmetic<T>::value, T const &>::type wrap_generic(T const & x){ return x;}
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template<class T> typename std::enable_if<std::is_arithmetic<T>::value, value_scalar>::type wrap_generic(T x) { return value_scalar(x); }
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template<typename T>
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ISAACAPI typename std::conditional<std::is_arithmetic<T>::value, value_scalar, T const &>::type make_tuple(driver::Context const &, T const & x)
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{ return wrap_generic(x); }
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template<typename T, typename... Args>
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ISAACAPI expression_tree make_tuple(driver::Context const & context, T const & x, Args... args)
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{ return expression_tree(wrap_generic(x), make_tuple(context, args...), op_element(BINARY_ARITHMETIC, PAIR_TYPE), &context, numeric_type_of(x), {1}); }
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//io
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std::string to_string(node_type const & f);
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std::string to_string(expression_tree::node const & e);
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std::ostream & operator<<(std::ostream & os, expression_tree::node const & s_node);
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std::string to_string(isaac::expression_tree const & s);
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}
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#endif
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