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Instrumented the reneighbor function in order to obtain runtimes of its compontents

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Martin Bauernfeind
2022-07-19 20:38:11 +02:00
parent 176de0525b
commit 7a61cbbabf
4 changed files with 24 additions and 12 deletions
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7
src/neighbor.cu
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@@ -33,6 +33,8 @@ extern "C" {
#include <parameter.h>
#include <allocate.h>
#include <atom.h>
#include <timing.h>
#include <timers.h>
#define SMALL 1.0e-6
#define FACTOR 0.999
@@ -609,7 +611,7 @@ void binatoms_cuda(Atom* c_atom, Binning* c_binning, int* c_resize_needed, Neigh
checkCUDAError( "DeviceSync sort_bin_contents kernel", cudaDeviceSynchronize() );
}
void buildNeighbor_cuda(Atom *atom, Neighbor *neighbor, Atom *c_atom, Neighbor *c_neighbor, const int num_threads_per_block)
void buildNeighbor_cuda(Atom *atom, Neighbor *neighbor, Atom *c_atom, Neighbor *c_neighbor, const int num_threads_per_block, double* timers)
{
int nall = atom->Nlocal + atom->Nghost;
c_neighbor->maxneighs = neighbor->maxneighs;
@@ -652,7 +654,10 @@ void buildNeighbor_cuda(Atom *atom, Neighbor *neighbor, Atom *c_atom, Neighbor *
}
/* bin local & ghost atoms */
double beforeBinning = getTimeStamp();
binatoms_cuda(c_atom, &c_binning, c_resize_needed, &np, num_threads_per_block);
double afterBinning = getTimeStamp();
timers[NEIGH_BINATOMS] += afterBinning - beforeBinning;
if(c_new_maxneighs == NULL){
checkCUDAError("c_new_maxneighs malloc", cudaMalloc((void**)&c_new_maxneighs, sizeof(int) ));