gpt-2-medium/host_opencl.h

/*******************************************************************************
Vendor: Xilinx
Associated Filename: vadd.h
Purpose: VITIS vector addition
Revision History: January 28, 2016

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#pragma once

#define CL_HPP_CL_1_2_DEFAULT_BUILD
#define CL_HPP_TARGET_OPENCL_VERSION 120
#define CL_HPP_MINIMUM_OPENCL_VERSION 120
#define CL_HPP_ENABLE_PROGRAM_CONSTRUCTION_FROM_ARRAY_COMPATIBILITY 1

#include <CL/cl2.hpp>

//Customized buffer allocation for 4K boundary alignment
template <typename T>
struct aligned_allocator
{
  using value_type = T;
  T* allocate(std::size_t num)
  {
    void* ptr = nullptr;
    if (posix_memalign(&ptr,4096,num*sizeof(T)))
      throw std::bad_alloc();
    return reinterpret_cast<T*>(ptr);
  }
  void deallocate(T* p, std::size_t num)
  {
    free(p);
  }
};