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utility.cuh
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#pragma once
#include<iostream>
#include<assert.h>
#include "rtree.h"
static void HandleError( cudaError_t err,
const char *file,
int line ) {
if (err != cudaSuccess) {
printf( "%s in %s at line %d\n", cudaGetErrorString( err ),
file, line );
exit( EXIT_FAILURE );
}
}
#define HANDLE_ERROR( err ) (HandleError( err, __FILE__, __LINE__ ))
template<typename T>
void box_d2h(BBOX<T>& h_box,const BBOX<T>& d_box)
{
int sz=d_box.sz;
h_box.sz=sz;
h_box.xmin=new T[sz];
assert(h_box.xmin!=NULL);
HANDLE_ERROR( cudaMemcpy( h_box.xmin,d_box.xmin, sz* sizeof(T), cudaMemcpyDeviceToHost ) );
h_box.ymin=new T[sz];
assert(h_box.ymin!=NULL);
HANDLE_ERROR( cudaMemcpy( h_box.ymin,d_box.ymin, sz* sizeof(T), cudaMemcpyDeviceToHost ) );
h_box.xmax=new T[sz];
assert(h_box.xmax!=NULL);
HANDLE_ERROR( cudaMemcpy( h_box.xmax,d_box.xmax, sz* sizeof(T), cudaMemcpyDeviceToHost ) );
h_box.ymax=new T[sz];
assert(h_box.ymax!=NULL);
HANDLE_ERROR( cudaMemcpy( h_box.ymax,d_box.ymax, sz* sizeof(T), cudaMemcpyDeviceToHost ) );
h_box.id=new int[sz];
assert(h_box.id!=NULL);
HANDLE_ERROR( cudaMemcpy( h_box.id,d_box.id, sz* sizeof(int), cudaMemcpyDeviceToHost ) );
}
template<typename T>
void box_h2d(BBOX<T>& d_box,const BBOX<T>& h_box)
{
int sz=h_box.sz;
d_box.sz=sz;
HANDLE_ERROR( cudaMalloc( (void**)&d_box.xmin,sz* sizeof(T)));
assert(d_box.xmin!=NULL);
HANDLE_ERROR( cudaMemcpy( d_box.xmin,h_box.xmin, sz* sizeof(T), cudaMemcpyHostToDevice ) );
HANDLE_ERROR( cudaMalloc( (void**)&d_box.ymin,sz* sizeof(T)));
assert(d_box.ymin!=NULL);
HANDLE_ERROR( cudaMemcpy( d_box.ymin,h_box.ymin, sz* sizeof(T), cudaMemcpyHostToDevice ) );
HANDLE_ERROR( cudaMalloc( (void**)&d_box.xmax,sz* sizeof(T)));
assert(d_box.xmax!=NULL);
HANDLE_ERROR( cudaMemcpy( d_box.xmax,h_box.xmax, sz* sizeof(T), cudaMemcpyHostToDevice ) );
HANDLE_ERROR( cudaMalloc( (void**)&d_box.ymax,sz* sizeof(T)));
assert(d_box.ymax!=NULL);
HANDLE_ERROR( cudaMemcpy( d_box.ymax,h_box.ymax, sz* sizeof(T), cudaMemcpyHostToDevice ) );
HANDLE_ERROR( cudaMalloc( (void**)&d_box.id,sz* sizeof(int)));
assert(d_box.id!=NULL);
HANDLE_ERROR( cudaMemcpy( d_box.id,h_box.id, sz* sizeof(int), cudaMemcpyHostToDevice ) );
}
template<typename T>
void box_d_free(BBOX<T>& box)
{
assert(box.xmin!=NULL);
cudaFree(box.xmin);
box.xmin=NULL;
assert(box.xmax!=NULL);
cudaFree(box.xmax);
box.xmax=NULL;
assert(box.ymin!=NULL);
cudaFree(box.ymin);
box.ymin=NULL;
assert(box.ymax!=NULL);
cudaFree(box.ymax);
box.ymax=NULL;
assert(box.id!=NULL);
cudaFree(box.id);
box.id=NULL;
}
template<typename T>
void box_h_free(BBOX<T>& box)
{
assert(box.xmin!=NULL);
free(box.xmin);
box.xmin=NULL;
assert(box.xmax!=NULL);
free(box.xmax);
box.xmax=NULL;
assert(box.ymin!=NULL);
free(box.ymin);
box.ymin=NULL;
assert(box.ymax!=NULL);
free(box.ymax);
box.ymax=NULL;
assert(box.id!=NULL);
free(box.id);
box.id=NULL;
}
template<typename T>
void rt_d_alloc(uint32_t sz,RTREE<T>& rt)
{
rt.sz=sz;
HANDLE_ERROR( cudaMalloc( (void**)&(rt.xmin),sz* sizeof(T)));
assert(rt.xmin!=NULL);
HANDLE_ERROR( cudaMalloc( (void**)&(rt.ymin),sz* sizeof(T)));
assert(rt.ymin!=NULL);
HANDLE_ERROR( cudaMalloc( (void**)&(rt.xmax),sz* sizeof(T)));
assert(rt.xmax!=NULL);
HANDLE_ERROR( cudaMalloc( (void**)&(rt.ymax),sz* sizeof(T)));
assert(rt.ymax!=NULL);
HANDLE_ERROR( cudaMalloc( (void**)&(rt.pos),sz* sizeof(int)));
assert(rt.pos!=NULL);
HANDLE_ERROR( cudaMalloc( (void**)&(rt.len),sz* sizeof(int)));
assert(rt.len!=NULL);
}
template<typename T>
void rt_d_free(RTREE<T>& rt)
{
assert(rt.xmin!=NULL);
cudaFree(rt.xmin);
rt.xmin=NULL;
assert(rt.ymin!=NULL);
cudaFree(rt.ymin);
rt.ymin=NULL;
assert(rt.xmax!=NULL);
cudaFree(rt.xmax);
rt.xmax=NULL;
assert(rt.ymax!=NULL);
cudaFree(rt.ymax);
rt.ymax=NULL;
assert(rt.len!=NULL);
cudaFree(rt.len);
rt.len=NULL;
assert(rt.pos!=NULL);
cudaFree(rt.pos);
rt.pos=NULL;
}
void idpair_d_alloc(uint32_t sz,IDPAIR& ft)
{
ft.sz=sz;
HANDLE_ERROR( cudaMalloc( (void**)&(ft.fid),sz* sizeof(int)));
assert(ft.fid!=NULL);
HANDLE_ERROR( cudaMalloc( (void**)&(ft.tid),sz* sizeof(int)));
assert(ft.tid!=NULL);
}
void idpair_d2h(IDPAIR& h_ft,const IDPAIR& d_ft)
{
int sz=d_ft.sz;
h_ft.sz=sz;
h_ft.fid=new int[sz];
assert(h_ft.fid!=NULL);
HANDLE_ERROR( cudaMemcpy( h_ft.fid, d_ft.fid,sz* sizeof(int), cudaMemcpyDeviceToHost ) );
h_ft.tid=new int[sz];
assert(h_ft.tid!=NULL);
HANDLE_ERROR( cudaMemcpy( h_ft.tid, d_ft.tid,sz* sizeof(int), cudaMemcpyDeviceToHost ) );
}
void idpair_d_free(IDPAIR& ft)
{
assert(ft.fid!=NULL);
cudaFree(ft.fid);
ft.fid=NULL;
assert(ft.tid!=NULL);
cudaFree(ft.tid);
ft.tid=NULL;
}
void idpair_h_free(IDPAIR& ft)
{
assert(ft.fid!=NULL);
free(ft.fid);
ft.fid=NULL;
assert(ft.tid!=NULL);
free(ft.tid);
ft.tid=NULL;
}