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stream_model.hpp 1.59 KB
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Paul Fultz II's avatar
Add parallel stream analysis (#629)  
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#ifndef MIGRAPHX_GUARD_STREAM_MODEL_HPP
#define MIGRAPHX_GUARD_STREAM_MODEL_HPP

#include <cassert>
#include <string>
#include <functional>
#include <memory>
#include <type_traits>
#include <utility>

#include <migraphx/config.hpp>
#include <migraphx/instruction_ref.hpp>
#include <vector>

namespace migraphx {
inline namespace MIGRAPHX_INLINE_NS {

#ifdef DOXYGEN

/// An interface for target-dependent model for the scheduler
struct stream_model
{
    /// Get the number of streams used in the program
    std::size_t get_nstream() const;
    /// Get stream for instruction
    std::size_t get_stream(instruction_ref ins) const;
    /// Get unique event id for instruction
    std::size_t get_event_id(instruction_ref ins) const;
    /// Returns true if instruction has a stream assignment
    bool has_stream(instruction_ref ins) const;
    /// Returns true if the instruction records the event
    bool is_record(instruction_ref ins) const;
    /// Returns true if the instruction wait on the event
    bool is_wait(instruction_ref ins) const;
};

#else

<%
interface('stream_model',
    virtual('get_nstream', returns='std::size_t', const=True),
    virtual('get_stream', ins='instruction_ref', returns='std::size_t', const=True),
    virtual('get_event_id', ins='instruction_ref', returns='std::size_t', const=True),
    virtual('has_stream', ins='instruction_ref', returns='bool', const=True),
    virtual('is_record', ins='instruction_ref', returns='bool', const=True),
    virtual('is_wait', ins='instruction_ref', returns='bool', const=True)
)
%>

#endif

} // namespace MIGRAPHX_INLINE_NS
} // namespace migraphx

#endif