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Wavestep.cu
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#include "XBeachGPU.h"
void CUDA_CHECK(cudaError CUDerr)
{
if (cudaSuccess != CUDerr) {
write_text_to_log_file("Cuda error in file " + std::string(__FILE__) + " in line " + std::to_string(__LINE__) + " " + std::string(cudaGetErrorString(CUDerr)));
fprintf(stderr, "Cuda error in file '%s' in line %i : %s.\n", __FILE__, __LINE__, cudaGetErrorString(CUDerr));
write_text_to_log_file("Cuda error in file " + std::string(__FILE__) + " in line " + std::to_string(__LINE__) + " " + std::string(cudaGetErrorString(CUDerr)));
exit(EXIT_FAILURE);
}
}
XBGPUParam waveinitGPU(XBGPUParam Param, std::vector<Wavebndparam> wavebnd)
{
// Initialize wave model
int nx, ny;
nx = Param.nx;
ny = Param.ny;
if (Param.dtheta > 0.0)
{
Param.ntheta = round((Param.thetamax - Param.thetamin) / Param.dtheta);
}
else
{
if (Param.ntheta == 0)
{
Param.ntheta = 1;
}
Param.dtheta = (Param.thetamax - Param.thetamin) / Param.ntheta;
}
ntheta = Param.ntheta;
dtheta = Param.dtheta;
printf("ntheta=%d\tdtheta=%f\n", ntheta, dtheta);
write_text_to_log_file("ntheta=" + std::to_string(ntheta) + "\t dtheta=" + std::to_string(dtheta));
//printf("nwavbnd=%d\n", nwavbnd);
if (Param.wavebndtype == 1)
{
nwavbnd = wavebnd.size(); // one Stfile/qfile will be used throughout the simulation
}
if (Param.wavebndtype >= 2)
{
nwavbnd = ceil(Param.rtlength / Param.dtbc)+1; // +1 needed here
}
theta = (DECNUM *)malloc(ntheta*sizeof(DECNUM));
Stfile = (double *)malloc(ntheta*ny*nwavbnd*sizeof(double));
qfile = (double *)malloc(4 * ny*nwavbnd*sizeof(double));
Tpfile = (double *)malloc(nwavbnd*sizeof(double));
//dummy=(double *)malloc(1000*sizeof(double));
qbndnew = (DECNUM *)malloc(4 * ny*sizeof(DECNUM));
qbndold = (DECNUM *)malloc(4 * ny*sizeof(DECNUM));
St = (DECNUM *)malloc(ntheta*ny*sizeof(DECNUM));
Stold = (DECNUM *)malloc(ntheta*ny*sizeof(DECNUM));
Stnew = (DECNUM *)malloc(ntheta*ny*sizeof(DECNUM));
cxsth = (DECNUM *)malloc(ntheta*sizeof(DECNUM));
sxnth = (DECNUM *)malloc(ntheta*sizeof(DECNUM));
for (int i = 0; i < ntheta; i++)
{
theta[i] = i*(Param.dtheta)+Param.thetamin + 0.5f*Param.dtheta;
cxsth[i] = cos(theta[i]);
sxnth[i] = sin(theta[i]);
//printf("theta=%f\tcxsth=%f\tsxnth=%f\n", theta[i], cxsth[i], sxnth[i]);
}
dang = theta[1] - theta[0];
//dtheta=dang;
ee = (DECNUM *)malloc(nx*ny*ntheta*sizeof(DECNUM));
dd = (DECNUM *)malloc(nx*ny*ntheta*sizeof(DECNUM));
wete = (DECNUM *)malloc(nx*ny*ntheta*sizeof(DECNUM));
rr = (DECNUM *)malloc(nx*ny*ntheta*sizeof(DECNUM));
cgx = (DECNUM *)malloc(nx*ny*ntheta*sizeof(DECNUM));
cgy = (DECNUM *)malloc(nx*ny*ntheta*sizeof(DECNUM));
cx = (DECNUM *)malloc(nx*ny*ntheta*sizeof(DECNUM));
cy = (DECNUM *)malloc(nx*ny*ntheta*sizeof(DECNUM));
ctheta = (DECNUM *)malloc(nx*ny*ntheta*sizeof(DECNUM));
thet = (DECNUM *)malloc(nx*ny*ntheta*sizeof(DECNUM));
//drr=(DECNUM *)malloc(nx*ny*ntheta*sizeof(DECNUM));
printf("Generating initial wave bnd data\n");
write_text_to_log_file("Generating initial wave bnd data");
if (Param.wavebndtype == 1)
{
//GenCstWave(Param, wavebnd, Stfile, qfile, Tpfile);
GenCstWave(Param, wavebnd, theta, Stfile, qfile, Tpfile);
Trep = Tpfile[0];
//readStatbnd(nx, ny, ntheta, Param.rho, Param.g, Param.wavebndfile.c_str(), Tpfile, Stfile);
//Trepold = Tpfile[0];
//Trepnew = Tpfile[1];
//rt = dtwavbnd;
}
if (Param.wavebndtype == 2)
{
//readXbbndstep(nx, ny, ntheta, Param.wavebndfile.c_str(), 1, Trepold, qfile, Stfile);
readXbbndstep(Param, wavebnd, 0, Trep, qfile, Stfile);
}
if (Param.wavebndtype == 3)
{
// Reuse XBeach_GPU style wave boundary. same as normal XBeach but as a self documented netcdf file
read_reuse_bndnc(Param, 0, Trep, qfile, Stfile);
}
if (Param.wavebndtype == 4)
{
//JONSWAP
//First generate a Highres 2D spec
double * HRfreq;
double * HRdir;
double * HRSpec;
int nfHR, ndHR;
makjonswap(Param, wavebnd, 0, nfHR, ndHR, HRfreq, HRdir, HRSpec);
//create2dnc(nfHR, ndHR, HRfreq[1] - HRfreq[0], HRdir[1] - HRdir[0], 0.0, HRfreq, HRdir, HRSpec);
//Then generate wave group timeseries based on that spectra
//void GenWGnLBW(XBGPUParam Param, int nf, int ndir, double * HRfreq, double * HRdir, double * HRSpec, float Trep, double * qfile, double * Stfile)
GenWGnLBW(Param, nfHR, ndHR, HRfreq, HRdir, HRSpec, Trep, qfile, Stfile);
//create2dnc(nfHR, ndHR, HRfreq[1] - HRfreq[0], HRdir[1] - HRdir[0], 0.0, HRfreq, HRdir, HRSpec);
//////////////////////////////////////
//Save to Netcdf file
//////////////////////////////////////
double * yyfx, *ttfx, *thetafx;
double * qxtemp, *qytemp, *eetemp;
int tslenbc = nwavbnd;
qxtemp = (double *)malloc(ny*tslenbc*sizeof(double));
qytemp = (double *)malloc(ny*tslenbc*sizeof(double));
eetemp = (double *)malloc(ny*Param.ntheta*tslenbc*sizeof(double));
yyfx = (double *)malloc(ny*sizeof(double));
ttfx = (double *)malloc(tslenbc*sizeof(double));
thetafx = (double *)malloc(Param.ntheta*sizeof(double));
for (int j = 0; j < Param.ny; j++)
{
yyfx[j] = j*Param.dx;
}
for (int m = 0; m < tslenbc; m++)
{
ttfx[m] = m*Param.dtbc;
}
for (int itheta = 0; itheta < Param.ntheta; itheta++)
{
thetafx[itheta] = itheta*(Param.dtheta) + Param.thetamin + 0.5f*Param.dtheta;
}
//for Debugging
//create2dnc(ny, tslen, Param.dx, dtin, 0.0, yyfx, tin, qx);
//create3dnc(ny, Param.ntheta, tslen, Param.dx, Param.dtheta, dtin, 0.0, yyfx, thetafx, tin, zeta);
for (int j = 0; j < Param.ny; j++)
{
for (int m = 0; m < tslenbc; m++)
{
qxtemp[m + j*tslenbc] = qfile[j + 0 * ny + m*ny * 4];
qytemp[m + j*tslenbc] = qfile[j + 1 * ny + m*ny * 4];
for (int itheta = 0; itheta < Param.ntheta; itheta++)
{
eetemp[m + j*tslenbc + itheta*ny*tslenbc] = Stfile[j + itheta*ny + m*ny*Param.ntheta];
}
}
}
createbndnc(tslenbc, ny, Param.ntheta, Param.dx, Param.dtheta, 0.0, wavebnd[0].Hs, Trep, wavebnd[0].Tp, wavebnd[0].Dp, ttfx, yyfx, thetafx, eetemp, qxtemp, qytemp);
//void createbndnc(int tslen, int ny, int ntheta, double dy, double dtheta, double totaltime, double Hs, double Trep, double Tp, double Dp, double * timevec, double *yy, double *theta, double * ee, double * qx, double * qy)
//Trep = 15.0;//
free(HRSpec);
free(HRfreq);
free(HRdir);
free(qxtemp);
free(qytemp);
free(eetemp);
free(yyfx);
free(ttfx);
free(thetafx);
}
if (Param.wavebndtype == 5)
{
//
//SWAN spectrum
//First read in the 2D spec
double * HRfreq;
double * HRdir;
double * HRSpec;
int nfHR, ndHR;
readSWANSPEC(Param, wavebnd, 0, nfHR, ndHR, HRfreq, HRdir, HRSpec);
//create2dnc(nfHR, ndHR, HRfreq[1] - HRfreq[0], HRdir[1] - HRdir[0], 0.0, HRfreq, HRdir, HRSpec);
//Then generate wave group timeseries based on that spectra
//void GenWGnLBW(XBGPUParam Param, int nf, int ndir, double * HRfreq, double * HRdir, double * HRSpec, float Trep, double * qfile, double * Stfile)
GenWGnLBW(Param, nfHR, ndHR, HRfreq, HRdir, HRSpec, Trep, qfile, Stfile);
//create2dnc(nfHR, ndHR, HRfreq[1] - HRfreq[0], HRdir[1] - HRdir[0], 0.0, HRfreq, HRdir, HRSpec);
//////////////////////////////////////
//Save to Netcdf file
//////////////////////////////////////
double * yyfx, *ttfx, *thetafx;
double * qxtemp, *qytemp, *eetemp;
int tslenbc = nwavbnd;
qxtemp = (double *)malloc(ny*tslenbc*sizeof(double));
qytemp = (double *)malloc(ny*tslenbc*sizeof(double));
eetemp = (double *)malloc(ny*Param.ntheta*tslenbc*sizeof(double));
yyfx = (double *)malloc(ny*sizeof(double));
ttfx = (double *)malloc(tslenbc*sizeof(double));
thetafx = (double *)malloc(Param.ntheta*sizeof(double));
for (int j = 0; j < Param.ny; j++)
{
yyfx[j] = j*Param.dx;
}
for (int m = 0; m < tslenbc; m++)
{
ttfx[m] = m*Param.dtbc;
}
for (int itheta = 0; itheta < Param.ntheta; itheta++)
{
thetafx[itheta] = itheta*(Param.dtheta) + Param.thetamin + 0.5f*Param.dtheta;
}
//for Debugging
//create2dnc(ny, tslen, Param.dx, dtin, 0.0, yyfx, tin, qx);
//create3dnc(ny, Param.ntheta, tslen, Param.dx, Param.dtheta, dtin, 0.0, yyfx, thetafx, tin, zeta);
for (int j = 0; j < Param.ny; j++)
{
for (int m = 0; m < tslenbc; m++)
{
qxtemp[m + j*tslenbc] = qfile[j + 0 * ny + m*ny * 4];
qytemp[m + j*tslenbc] = qfile[j + 1 * ny + m*ny * 4];
for (int itheta = 0; itheta < Param.ntheta; itheta++)
{
eetemp[m + j*tslenbc + itheta*ny*tslenbc] = Stfile[j + itheta*ny + m*ny*Param.ntheta];
}
}
}
createbndnc(tslenbc, ny, Param.ntheta, Param.dx, Param.dtheta, 0.0, wavebnd[0].Hs, Trep, wavebnd[0].Tp, wavebnd[0].Dp, ttfx, yyfx, thetafx, eetemp, qxtemp, qytemp);
//void createbndnc(int tslen, int ny, int ntheta, double dy, double dtheta, double totaltime, double Hs, double Trep, double Tp, double Dp, double * timevec, double *yy, double *theta, double * ee, double * qx, double * qy)
//Trep = 15.0;//
free(HRSpec);
free(HRfreq);
free(HRdir);
free(qxtemp);
free(qytemp);
free(eetemp);
free(yyfx);
free(ttfx);
free(thetafx);
}
nwbndstep = 0;
for (int ni = 0; ni < ny; ni++)
{
for (int itheta = 0; itheta < ntheta; itheta++)
{
Stold[ni + itheta*ny] = Stfile[ni + itheta*ny + nwbndstep*ny*ntheta];
Stnew[ni + itheta*ny] = Stfile[ni + itheta*ny + (nwbndstep + 1)*ny*ntheta];
}
for (int xi = 0; xi < 4; xi++)
{
qbndold[ni + xi*ny] = qfile[ni + xi*ny + nwbndstep*ny * 4];
qbndnew[ni + xi*ny] = qfile[ni + xi*ny + (nwbndstep + 1)*ny * 4];
}
}
//fscanf(fwav,"%f\t%f\t%f\t%f\t%f\t%f",&hm0gew,&fp,&mainang,&scoeff,&gam,&rt);
//mainang=(1.5*pi-grdalpha)-mainang*pi/180;
//fp=1/fp;
//printf("init rt=%f\n",rt);
//makjonswap(hm0gew,fp,mainang,rt,scoeff,gam,theta,ntheta,Trepnew, Stnew);
//Clac Stat
for (int i = 0; i < ntheta; i++) //! Fill St
{
//St[i]=Stold[i];
//printf("St[%d]=%f\n",i,St[i]);
for (int ii = 0; ii < ny; ii++)
{
St[ii + i*ny] = Stold[ii + i*ny];
}
}
//printf("hh=%f\n",hh[0]);
// Apply bnd on CPU side
for (int ii = 0; ii < nx; ii++)
{
for (int jj = 0; jj < ny; jj++)
{
for (int nt = 0; nt < ntheta; nt++)
{
if (ii == 0)
{
ee[0 + jj*nx + nt*nx*ny] = St[jj + nt*ny];// not on gpu since it is a bank conflicting problem
}
else
{
ee[ii + jj*nx + nt*nx*ny] = 0.0f;
}
rr[ii + jj*nx + nt*nx*ny] = 0.0f;
}
}
}
//run dispersion relation
return Param;
}
void wavebndOLD(XBGPUParam Param)
{
int nx, ny;
nx = Param.nx;
ny = Param.ny;
if (totaltime >= dtwavbnd*(nwavbnd*wxstep - 1))//The -1 here is so that we read the next file before the last step of the previous file runs out
{
if (Param.wavebndtype == 2)
{
//readXbbndstep(nx, ny, ntheta, Param.wavebndfile.c_str(), wxstep, Trep, qfile, Stfile);
}
nwbndstep = 0;
for (int ni = 0; ni < ny; ni++)
{
for (int itheta = 0; itheta < ntheta; itheta++)
{
Stold[ni + itheta*ny] = Stfile[ni + itheta*ny + nwbndstep*ny*ntheta];
Stnew[ni + itheta*ny] = Stfile[ni + itheta*ny + (nwbndstep + 1)*ny*ntheta];
}
if (Param.wavebndtype == 2)
{
for (int xi = 0; xi < 4; xi++)
{
qbndold[ni + xi*ny] = qfile[ni + xi*ny + nwbndstep*ny * 4];
qbndnew[ni + xi*ny] = qfile[ni + xi*ny + (nwbndstep + 1)*ny * 4];
}
}
}
wxstep = wxstep + 1;
}
//if ((nstep==1 || nstep==nwstp) && (imodel==1 || imodel>=3))
//{
//update wave bnd
if (totaltime >= wavbndtime /*&& wavebndtype==2*/)
{
for (int i = 0; i < ntheta; i++) //! Fill Stold
{
for (int ni = 0; ni < ny; ni++)
{
Stold[ni + i*ny] = Stfile[ni + i*ny + nwbndstep*ntheta*ny];
}
}
//fscanf(fwav,"%f\t%f\t%f\t%f\t%f\t%f",&hm0gew,&fp,&mainang,&scoeff,&gam,&rt);
//mainang=(1.5*pi-grdalpha)-mainang*pi/180;
//printf("rt=%f\n",rt);
//fp=1/fp;
//fscanf(fwav,"%f\t%f",&rt,&Trepnew);
nwbndstep = nwbndstep + 1;
for (int i = 0; i < ntheta; i++) //! Fill St
{
for (int ni = 0; ni < ny; ni++)
{
Stnew[ni + i*ny] = Stfile[ni + i*ny + nwbndstep*ntheta*ny];
if (Param.wavebndtype == 1)
{
Trep = Tpfile[nwbndstep];
}
}
}
if (Param.wavebndtype == 2)
{
for (int ni = 0; ni < ny; ni++)
{
for (int xi = 0; xi < 4; xi++)
{
qbndold[ni + xi*ny] = qbndnew[ni + ny*xi];
qbndnew[ni + xi*ny] = qfile[ni + xi*ny + nwbndstep*ny * 4];
}
}
if (Param.GPUDEVICE >= 0)
{
CUDA_CHECK(cudaMemcpy(qbndold_g, qbndold, 4 * ny*sizeof(DECNUM), cudaMemcpyHostToDevice));
CUDA_CHECK(cudaMemcpy(qbndnew_g, qbndnew, 4 * ny*sizeof(DECNUM), cudaMemcpyHostToDevice));
}
//printf("qbndold[300]=%f\n",qbndold[300]);
//printf("qbndnew[300]=%f\n",qbndnew[300]);
}
//printf("Stfile[0]=%f\n",Stfile[0]);
//makjonswap(hm0gew,fp,mainang,rt,scoeff,gam,theta,ntheta,Trepnew, Stnew);
//wavbndtime=wavbndtime+dtwavbnd;
wavbndtime = nwbndstep*dtwavbnd + (wxstep - 1)*nwavbnd*dtwavbnd; //should be better than above as it will not accumulate the rounbd off error
}
for (int i = 0; i < ntheta; i++) //! Fill St
{
for (int ni = 0; ni < ny; ni++)
{
St[ni + i*ny] = Stold[ni + i*ny] + (totaltime - wavbndtime + dtwavbnd)*(Stnew[ni + i*ny] - Stold[ni + i*ny]) / dtwavbnd;
}
//printf("St[%d]=%f\n",i,St[i*ny]);
}
//printf("Wave timestep:%f\n",wdt);
//Wave model step
//wavestep();
//nwstp = nstep + nstpw;
//wdt = dt;
//}
}
void wavebnd(XBGPUParam Param, std::vector<Wavebndparam> wavebndvec)
{
int nx, ny;
double timenext, timesincelast;
nx = Param.nx;
ny = Param.ny;
//update sl bnd
// find next timestep
double difft = wavebndvec[WAVstepinbnd].time - totaltime;
if (difft < 0.0)
{
WAVstepinbnd++;
if (Param.wavebndtype == 2)
{
//Read new STfile and qfile XBeach style
readXbbndstep(Param, wavebndvec, WAVstepinbnd - 1, Trep, qfile, Stfile);
}
if (Param.wavebndtype == 3)
{
// Reuse XBeach_GPU style wave boundary. same as normal XBeach but as a self documented netcdf file
read_reuse_bndnc(Param, WAVstepinbnd - 1, Trep, qfile, Stfile);
}
if (Param.wavebndtype == 4)
{
//JONSWAP
//First generate a Highres 2D spec
double * HRfreq;
double * HRdir;
double * HRSpec;
int nfHR, ndHR;
makjonswap(Param, wavebndvec, WAVstepinbnd - 1, nfHR, ndHR, HRfreq, HRdir, HRSpec);
//Then generate wave group timeseries based on that spectra
//void GenWGnLBW(XBGPUParam Param, int nf, int ndir, double * HRfreq, double * HRdir, double * HRSpec, float Trep, double * qfile, double * Stfile)
GenWGnLBW(Param, nfHR, ndHR, HRfreq, HRdir, HRSpec, Trep, qfile, Stfile);
//////////////////////////////////////
//Save to Netcdf file
//////////////////////////////////////
// Stfile is not ordered teh way we want to save it to file so we need a temporary storage to rearange
double * yyfx, *ttfx, *thetafx;
double * qxtemp, *qytemp, *eetemp;
int tslenbc = (int)ceil(Param.rtlength / Param.dtbc)+1;
qxtemp = (double *)malloc(ny*tslenbc*sizeof(double));
qytemp = (double *)malloc(ny*tslenbc*sizeof(double));
eetemp = (double *)malloc(ny*Param.ntheta*tslenbc*sizeof(double));
yyfx = (double *)malloc(ny*sizeof(double));
ttfx = (double *)malloc(tslenbc*sizeof(double));
thetafx = (double *)malloc(Param.ntheta*sizeof(double));
for (int j = 0; j < Param.ny; j++)
{
yyfx[j] = j*Param.dx;
}
for (int m = 0; m < tslenbc; m++)
{
ttfx[m] = m*Param.dtbc;
}
for (int itheta = 0; itheta < Param.ntheta; itheta++)
{
thetafx[itheta] = itheta*(Param.dtheta) + Param.thetamin + 0.5f*Param.dtheta;
}
//for Debugging
//create2dnc(ny, tslen, Param.dx, dtin, 0.0, yyfx, tin, qx);
//create3dnc(ny, Param.ntheta, tslen, Param.dx, Param.dtheta, dtin, 0.0, yyfx, thetafx, tin, zeta);
for (int j = 0; j < Param.ny; j++)
{
for (int m = 0; m < tslenbc; m++)
{
qxtemp[m + j*tslenbc] = qfile[j + 0 * ny + m*ny * 4];
qytemp[m + j*tslenbc] = qfile[j + 1 * ny + m*ny * 4];
for (int itheta = 0; itheta < Param.ntheta; itheta++)
{
eetemp[m + j*tslenbc + itheta*ny*tslenbc] = Stfile[j + itheta*ny + m*ny*Param.ntheta];
}
}
}
writebndnc(tslenbc, ny, Param.ntheta, Param.dx, Param.dtheta, wavebndvec[WAVstepinbnd - 1].time, wavebndvec[WAVstepinbnd - 1].Hs, Trep, wavebndvec[WAVstepinbnd - 1].Tp, wavebndvec[WAVstepinbnd - 1].Dp, ttfx, yyfx, thetafx, eetemp, qxtemp, qytemp);
//void writebndnc(int tslen, int ny, int ntheta, double dy, double dtheta, double totaltime, double Hs, double Trep, double Tp, double Dp, double * timevec, double *yy, double *theta, double * ee, double * qx, double * qy)
//Trep = 15.0;//
free(HRSpec);
free(HRfreq);
free(HRdir);
}
if (Param.wavebndtype == 5)
{
//
//SWAN spectrum
//First read in the 2D spec
double * HRfreq;
double * HRdir;
double * HRSpec;
int nfHR, ndHR;
readSWANSPEC(Param, wavebndvec, WAVstepinbnd - 1, nfHR, ndHR, HRfreq, HRdir, HRSpec);
//create2dnc(nfHR, ndHR, HRfreq[1] - HRfreq[0], HRdir[1] - HRdir[0], 0.0, HRfreq, HRdir, HRSpec);
//Then generate wave group timeseries based on that spectra
//void GenWGnLBW(XBGPUParam Param, int nf, int ndir, double * HRfreq, double * HRdir, double * HRSpec, float Trep, double * qfile, double * Stfile)
GenWGnLBW(Param, nfHR, ndHR, HRfreq, HRdir, HRSpec, Trep, qfile, Stfile);
//create2dnc(nfHR, ndHR, HRfreq[1] - HRfreq[0], HRdir[1] - HRdir[0], 0.0, HRfreq, HRdir, HRSpec);
//////////////////////////////////////
//Save to Netcdf file
//////////////////////////////////////
double * yyfx, *ttfx, *thetafx;
double * qxtemp, *qytemp, *eetemp;
int tslenbc = nwavbnd;
qxtemp = (double *)malloc(ny*tslenbc*sizeof(double));
qytemp = (double *)malloc(ny*tslenbc*sizeof(double));
eetemp = (double *)malloc(ny*Param.ntheta*tslenbc*sizeof(double));
yyfx = (double *)malloc(ny*sizeof(double));
ttfx = (double *)malloc(tslenbc*sizeof(double));
thetafx = (double *)malloc(Param.ntheta*sizeof(double));
for (int j = 0; j < Param.ny; j++)
{
yyfx[j] = j*Param.dx;
}
for (int m = 0; m < tslenbc; m++)
{
ttfx[m] = m*Param.dtbc;
}
for (int itheta = 0; itheta < Param.ntheta; itheta++)
{
thetafx[itheta] = itheta*(Param.dtheta) + Param.thetamin + 0.5f*Param.dtheta;
}
//for Debugging
//create2dnc(ny, tslen, Param.dx, dtin, 0.0, yyfx, tin, qx);
//create3dnc(ny, Param.ntheta, tslen, Param.dx, Param.dtheta, dtin, 0.0, yyfx, thetafx, tin, zeta);
for (int j = 0; j < Param.ny; j++)
{
for (int m = 0; m < tslenbc; m++)
{
qxtemp[m + j*tslenbc] = qfile[j + 0 * ny + m*ny * 4];
qytemp[m + j*tslenbc] = qfile[j + 1 * ny + m*ny * 4];
for (int itheta = 0; itheta < Param.ntheta; itheta++)
{
eetemp[m + j*tslenbc + itheta*ny*tslenbc] = Stfile[j + itheta*ny + m*ny*Param.ntheta];
}
}
}
writebndnc(tslenbc, ny, Param.ntheta, Param.dx, Param.dtheta, wavebndvec[WAVstepinbnd - 1].time, wavebndvec[WAVstepinbnd - 1].Hs, Trep, wavebndvec[WAVstepinbnd - 1].Tp, wavebndvec[WAVstepinbnd - 1].Dp, ttfx, yyfx, thetafx, eetemp, qxtemp, qytemp);
//void createbndnc(int tslen, int ny, int ntheta, double dy, double dtheta, double totaltime, double Hs, double Trep, double Tp, double Dp, double * timevec, double *yy, double *theta, double * ee, double * qx, double * qy)
//Trep = 15.0;//
free(HRSpec);
free(HRfreq);
free(HRdir);
free(qxtemp);
free(qytemp);
free(eetemp);
free(yyfx);
free(ttfx);
free(thetafx);
}
}
//spetial treatment when difft == 0.0
if (Param.wavebndtype == 1)
{
nwbndstep = WAVstepinbnd - 1;
timenext = wavebndvec[WAVstepinbnd].time - wavebndvec[WAVstepinbnd - 1].time;
timesincelast = (totaltime - wavebndvec[WAVstepinbnd - 1].time);
}
if (Param.wavebndtype >= 2)
{
nwbndstep = min(floor((totaltime - wavebndvec[WAVstepinbnd - 1].time) / Param.dtbc),ceil(Param.rtlength/Param.dtbc)-1);
//nwbndstep = nwbndstep + 1;// trying to solve discrepency between XB and XBGPU bnd
timenext = Param.dtbc;
timesincelast = totaltime - (nwbndstep*Param.dtbc + wavebndvec[WAVstepinbnd - 1].time);
//nwbndstep = nwbndstep + 1;//trying to solve discrepency between XB and XBGPU bnd
}
for (int ni = 0; ni < ny; ni++)
{
for (int itheta = 0; itheta < ntheta; itheta++)
{
Stold[ni + itheta*ny] = Stfile[ni + itheta*ny + nwbndstep*ny*ntheta];
Stnew[ni + itheta*ny] = Stfile[ni + itheta*ny + (nwbndstep + 1)*ny*ntheta];
}
for (int xi = 0; xi < 4; xi++)
{
qbndold[ni + xi*ny] = qfile[ni + xi*ny + nwbndstep*ny * 4];
qbndnew[ni + xi*ny] = qfile[ni + xi*ny + (nwbndstep + 1)*ny * 4];
}
}
for (int i = 0; i < ntheta; i++) //! Fill St
{
for (int ni = 0; ni < ny; ni++)
{
St[ni + i*ny] = interptime(Stnew[ni + i*ny], Stold[ni + i*ny], timenext, timesincelast);
}
}
if (Param.flow == 1)
{
CUDA_CHECK(cudaMemcpy(qbndold_g, qbndold, 4 * ny*sizeof(DECNUM), cudaMemcpyHostToDevice));
CUDA_CHECK(cudaMemcpy(qbndnew_g, qbndnew, 4 * ny*sizeof(DECNUM), cudaMemcpyHostToDevice));
}
}
void wavestep(XBGPUParam Param)
{
int nx, ny;
nx = Param.nx;
ny = Param.ny;
double dt = Param.dt;
ntheta = Param.ntheta;
//printf("ntheta=%d\t dtheta=%f\n", ntheta, Param.dtheta);
//Subroutine runs the wave model
dim3 blockDim(16, 16, 1);
dim3 gridDim(ceil((nx*1.0f) / blockDim.x), ceil((ny*1.0f) / blockDim.y), 1);
dim3 blockDim4(4, 4, 1);
dim3 gridDim4(ceil((nx*1.0f) / blockDim.x), ceil((ny*1.0f) / blockDim.y), 1);
//printf("All good until here");
CUDA_CHECK(cudaMemcpy(St_g, St, ny*ntheta*sizeof(DECNUM), cudaMemcpyHostToDevice));
//offshorebndWav(nx,ny,ntheta,totaltime,Trep,St_g,sigm_g,ee_g)
offshorebndWav << <gridDim, blockDim, 0 >> >(nx, ny, ntheta, totaltime, Trep, St_g, sigm_g, ee_g);
//CUT_CHECK_ERROR("Offshore Wave bnd execution failed\n");
CUDA_CHECK(cudaThreadSynchronize());
//printf("Trep=%f\n", Trep);
//Sanity check
sanity << <gridDim, blockDim, 0 >> >(nx, ny, Param.eps, hh_g, sigm_g, ntheta, ee_g);
//CUT_CHECK_ERROR("sanity execution failed\n");
CUDA_CHECK(cudaThreadSynchronize());
//CUDA_CHECK( cudaMalloc((void **)&cg_g, nx*ny*sizeof(DECNUM )) );
//CUDA_CHECK( cudaMalloc((void **)&cx_g, nx*ny*ntheta*sizeof(DECNUM )) );
// CUDA_CHECK( cudaMalloc((void **)&c_g, nx*ny*sizeof(DECNUM )) );
//CUDA_CHECK( cudaMalloc((void **)&cy_g, nx*ny*ntheta*sizeof(DECNUM )) );
//CUDA_CHECK( cudaMalloc((void **)&k_g, nx*ny*sizeof(DECNUM )) );
// not sure this is worth it we'd rather allocate from main and kill when it is all done...
CUDA_CHECK(cudaMalloc((void **)&kh_g, nx*ny*sizeof(DECNUM)));
CUDA_CHECK(cudaMalloc((void **)&sinh2kh_g, nx*ny*sizeof(DECNUM)));
//dispersion
dispersion << <gridDim, blockDim, 0 >> >(nx, ny, twopi, Param.g, aphi, bphi, sigm_g, hh_g, k_g, c_g, kh_g, sinh2kh_g, cg_g);
//CUT_CHECK_ERROR("dispersion execution failed\n");
CUDA_CHECK(cudaThreadSynchronize());
//CUDA_CHECK( cudaMemcpy(C,kh_g, ny*nx*sizeof(DECNUM ), cudaMemcpyDeviceToHost) );
CUDA_CHECK(cudaMalloc((void **)&dhdx_g, nx*ny*sizeof(DECNUM)));
CUDA_CHECK(cudaMalloc((void **)&dhdy_g, nx*ny*sizeof(DECNUM)));
CUDA_CHECK(cudaMalloc((void **)&dudx_g, nx*ny*sizeof(DECNUM)));
CUDA_CHECK(cudaMalloc((void **)&dudy_g, nx*ny*sizeof(DECNUM)));
CUDA_CHECK(cudaMalloc((void **)&dvdx_g, nx*ny*sizeof(DECNUM)));
CUDA_CHECK(cudaMalloc((void **)&dvdy_g, nx*ny*sizeof(DECNUM)));
// Wave current interaction (i.e remove wci in shallow water)
calcwci << <gridDim, blockDim, 0 >> >(nx, ny, Param.wci, Param.hwci, hh_g, wci_g);
//CUT_CHECK_ERROR("calcwci execution failed\n");
CUDA_CHECK(cudaThreadSynchronize());
// // Slopes of water depth and velocities
slopes << <gridDim, blockDim, 0 >> >(nx, ny, Param.dx, hh_g, uu_g, vv_g, dhdx_g, dhdy_g, dudx_g, dudy_g, dvdx_g, dvdy_g);//
//CUT_CHECK_ERROR("slopes execution failed\n");
CUDA_CHECK(cudaThreadSynchronize());
//CUDA_CHECK( cudaMalloc((void **)&cgx_g, nx*ny*ntheta*sizeof(DECNUM )) );
//CUDA_CHECK( cudaMalloc((void **)&cgy_g, nx*ny*ntheta*sizeof(DECNUM )) );
//CUDA_CHECK( cudaMalloc((void **)&ctheta_g, nx*ny*ntheta*sizeof(DECNUM )) );
//CUDA_CHECK( cudaMemcpy(C,kh_g, ny*nx*sizeof(DECNUM ), cudaMemcpyDeviceToHost) );
//Propagation speed in theta space
propagtheta << <gridDim, blockDim, 0 >> >(nx, ny, ntheta, wci_g, ctheta_g,/*c_g,cx_g,cy_g,*/cxsth_g, sxnth_g,/*uu_g,vv_g,*/dhdx_g, dhdy_g, dudx_g, dudy_g, dvdx_g, dvdy_g, sigm_g, kh_g);//
//CUT_CHECK_ERROR("propagtheta execution failed\n");
CUDA_CHECK(cudaThreadSynchronize());
//////////
//CUDA_CHECK( cudaMemcpy(ctheta,ctheta_g, ny*nx*ntheta*sizeof(DECNUM ), cudaMemcpyDeviceToHost) );
//////////
CUDA_CHECK(cudaFree(dhdx_g));
CUDA_CHECK(cudaFree(dhdy_g));
CUDA_CHECK(cudaFree(dudx_g));
CUDA_CHECK(cudaFree(dudy_g));
CUDA_CHECK(cudaFree(dvdx_g));
CUDA_CHECK(cudaFree(dvdy_g));
//
//read3Dnc(nx,ny,ntheta,"eeX.nc",ee);
//CUDA_CHECK( cudaMemcpy(ee_g, ee, nx*ny*ntheta*sizeof(DECNUM ), cudaMemcpyHostToDevice) );
//
// transform to wave action
//
action << <gridDim, blockDim, 0 >> >(ntheta, nx, ny, ee_g, sigm_g);
//CUT_CHECK_ERROR("action execution failed\n");
CUDA_CHECK(cudaThreadSynchronize());
//
// Upwind Euler timestep propagation
//
CUDA_CHECK(cudaMalloc((void **)&xadvec_g, nx*ny*ntheta*sizeof(DECNUM)));
CUDA_CHECK(cudaMalloc((void **)&yadvec_g, nx*ny*ntheta*sizeof(DECNUM)));
CUDA_CHECK(cudaMalloc((void **)&thetaadvec_g, nx*ny*ntheta*sizeof(DECNUM)));
xadvecupwind2 << <gridDim, blockDim, 0 >> >(nx, ny, ntheta, Param.dtheta, Param.dx, dt, wci_g, ee_g, cg_g, cxsth_g, uu_g, xadvec_g);
//CUT_CHECK_ERROR("eulerupwind xadvec execution failed\n");
CUDA_CHECK(cudaThreadSynchronize());
yadvecupwind2 << <gridDim, blockDim, 0 >> >(nx, ny, ntheta, Param.dtheta, Param.dx, dt, wci_g, ee_g, cg_g, sxnth_g, vv_g, yadvec_g);
//CUT_CHECK_ERROR("eulerupwind yadvec execution failed\n");
CUDA_CHECK(cudaThreadSynchronize());
//CUDA_CHECK( cudaMalloc((void **)&eect_g, nx*ny*ntheta*sizeof(DECNUM )) );
//eectheta<<<gridDim, blockDim, 0>>>(nx,ny,ntheta,ee_g,ctheta_g,eect_g);
////CUT_CHECK_ERROR("eulerupwind eectheta execution failed\n");
//CUDA_CHECK( cudaThreadSynchronize() );
//thetaadvecuw<<<gridDim, blockDim, 0>>>(nx,ny,ntheta,dtheta,eect_g,thetaadvec_g);
////CUT_CHECK_ERROR("eulerupwind thetaadvecuw execution failed\n");
//CUDA_CHECK( cudaThreadSynchronize() );
thetaadvecuw2ho << <gridDim, blockDim, 0 >> >(nx, ny, ntheta, Param.dtheta, Param.dx, dt, Param.wci, ee_g, ctheta_g, thetaadvec_g);
//CUT_CHECK_ERROR("eulerupwind thetaadvec execution failed\n");
CUDA_CHECK(cudaThreadSynchronize());
//CUDA_CHECK( cudaMemcpy(ctheta,yadvec_g, ny*nx*ntheta*sizeof(DECNUM ), cudaMemcpyDeviceToHost) );
//CUDA_CHECK( cudaMemcpy(ctheta,thetaadvec_g, ny*nx*ntheta*sizeof(DECNUM ), cudaMemcpyDeviceToHost) );
//read3Dnc(nx,ny,ntheta,"xadvecX.nc",ee);
//CUDA_CHECK( cudaMemcpy(xadvec_g, ee, nx*ny*sizeof(DECNUM ), cudaMemcpyHostToDevice) );
//read3Dnc(nx,ny,ntheta,"yadvecX.nc",ee);
//CUDA_CHECK( cudaMemcpy(yadvec_g, ee, nx*ny*sizeof(DECNUM ), cudaMemcpyHostToDevice) );
//read3Dnc(nx,ny,ntheta,"thetaadvecX.nc",ee);
//CUDA_CHECK( cudaMemcpy(thetaadvec_g, ee, nx*ny*sizeof(DECNUM ), cudaMemcpyHostToDevice) );
eulerupwind << <gridDim, blockDim, 0 >> >(nx, ny, ntheta, Param.dtheta, Param.dx, dt, Param.wci, ee_g, xadvec_g, yadvec_g, thetaadvec_g);
//CUT_CHECK_ERROR("eulerupwind execution failed\n");
CUDA_CHECK(cudaThreadSynchronize());
//CUDA_CHECK( cudaFree(cgx_g));
//CUDA_CHECK( cudaFree(cgy_g));
//Fix lateraL BND
rollerlatbnd << <gridDim, blockDim, 0 >> >(nx, ny, ntheta, Param.eps, hh_g, ee_g);
//CUT_CHECK_ERROR("energy latbnd execution failed\n");
CUDA_CHECK(cudaThreadSynchronize());
//
// transform back to wave energy
//
energy << <gridDim, blockDim, 0 >> >(nx, ny, ntheta, ee_g, sigm_g);
//CUT_CHECK_ERROR("energy execution failed\n");
CUDA_CHECK(cudaThreadSynchronize());
//CUDA_CHECK( cudaMemcpy(ctheta,ee_g, ny*nx*ntheta*sizeof(DECNUM ), cudaMemcpyDeviceToHost) );
//CUDA_CHECK( cudaMalloc((void **)&H_g, nx*ny*sizeof(DECNUM )) );
CUDA_CHECK(cudaMalloc((void **)&E_g, nx*ny*sizeof(DECNUM)));
//CUDA_CHECK( cudaMalloc((void **)&D_g, nx*ny*sizeof(DECNUM )) );
//CUDA_CHECK( cudaMemcpy(ctheta,ee_g, ny*nx*ntheta*sizeof(DECNUM ), cudaMemcpyDeviceToHost) );
//
// Energy integrated over wave directions,Hrms
//
energint << <gridDim, blockDim, 0 >> >(nx, ny, ntheta, Param.dtheta, Param.rho, Param.g, Param.gammax, E_g, H_g, hh_g, ee_g);
//CUT_CHECK_ERROR("energint execution failed\n");
CUDA_CHECK(cudaThreadSynchronize());
//
// calculate change in intrinsic frequency // removed because it is super slow and doesn't do much
//
// tm is thetamean and it is calculated in the mean dir scheme
// CUDA_CHECK( cudaMalloc((void **)&tm_g, nx*ny*sizeof(DECNUM )) );
// calctm<<<gridDim, blockDim, 0>>>(nx,ny,ntheta,tm_g,theta_g,ee_g);
// //CUT_CHECK_ERROR("energint execution failed\n");
// CUDA_CHECK( cudaThreadSynchronize() );
/*
//Change of intrinsec frequency
*/
//
// Total dissipation from breaking and bottom friction
//
if (Param.breakmodel == 1)
{
roelvink << <gridDim, blockDim, 0 >> >(nx, ny, Param.rho, Param.g, Param.gammaa, Param.alpha, Param.n, Trep, fwm_g, cfm_g, hh_g, H_g, E_g, D_g, k_g);
//CUT_CHECK_ERROR("roelvink execution failed\n");
CUDA_CHECK(cudaThreadSynchronize());
}
else
{
baldock << <gridDim, blockDim, 0 >> > (nx, ny, Param.rho, Param.g, Param.gammaa, Param.alpha, Param.n, Trep, fwm_g, cfm_g, hh_g, H_g, E_g, D_g, k_g);//Baldock more appropriate for pseudo stationary cases
//CUT_CHECK_ERROR("baldoc execution failed\n");
CUDA_CHECK(cudaThreadSynchronize());
}
//
// Calculate roller energy balance
//
//CUDA_CHECK( cudaMemcpy(hhmean,E_g, nx*ny*sizeof(DECNUM ), cudaMemcpyDeviceToHost) );