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prometeo_rhs.cu
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// Copyright (c) "2019, by Stanford University
// Developer: Mario Di Renzo
// Affiliation: Center for Turbulence Research, Stanford University
// URL: https://ctr.stanford.edu
// Citation: Di Renzo, M., Lin, F., and Urzay, J. (2020).
// HTR solver: An open-source exascale-oriented task-based
// multi-GPU high-order code for hypersonic aerothermodynamics.
// Computer Physics Communications 255, 107262"
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "prometeo_rhs.hpp"
#include "prometeo_rhs.inl"
#include "cuda_utils.hpp"
// Declare a constant memory that will hold the Mixture struct (initialized in prometeo_mixture.cu)
extern __device__ __constant__ Mix mix;
//-----------------------------------------------------------------------------
// KERNELS FOR UpdateUsingHybridEulerFluxTask
//-----------------------------------------------------------------------------
template<direction dir>
__global__
void UpdateRHSUsingHybridFlux_kernel(const AccessorRW<VecNEq, 3> Conserved_t,
const AccessorRO<double, 3> m_e,
const AccessorRO<VecNEq, 3> Conserved,
#if (nSpec > 1)
const AccessorRO<VecNEq, 3> Conserved_old,
#endif
const AccessorRO<double, 3> rho,
const AccessorRO<double, 3> SoS,
const AccessorRO<VecNSp, 3> MassFracs,
const AccessorRO< Vec3, 3> velocity,
const AccessorRO<double, 3> pressure,
const AccessorRO< int, 3> nType,
const AccessorRO< bool, 3> shockSensor,
#if (nSpec > 1)
const double RK_coeffs0,
const double RK_coeffs1,
const double deltaTime,
#endif
const Rect<3> Flux_bounds,
const Rect<3> Fluid_bounds,
const coord_t size_x,
const coord_t size_y,
const coord_t size_z)
{
int x = blockIdx.x * blockDim.x + threadIdx.x;
int y = blockIdx.y * blockDim.y + threadIdx.y;
int z = blockIdx.z * blockDim.z + threadIdx.z;
if (isThreadInCrossPlane<dir>(size_x, size_y, size_z)) {
const coord_t span_size = getSize<dir>(Flux_bounds);
const coord_t firstIndex = firstIndexInSpan<dir>(span_size);
if (firstIndex < span_size) {
const coord_t lastIndex = lastIndexInSpan<dir>(span_size);
// Allocate a buffer for the summations of the KG scheme of size (3 * (3+1)/2 * (nEq+1)) for each thread
double KGSum[6*(nEq+1)];
// Launch the loop for the span
UpdateUsingHybridEulerFluxTask<dir>::updateRHSSpan(
KGSum,
Conserved_t, m_e, nType, shockSensor, Conserved,
#if (nSpec > 1)
Conserved_old,
#endif
rho, SoS,
MassFracs, velocity, pressure,
#if (nSpec > 1)
RK_coeffs0, RK_coeffs1, deltaTime,
#endif
firstIndex, lastIndex,
x, y, z,
Flux_bounds, Fluid_bounds, mix);
}
}
}
template<direction dir>
__host__
void UpdateUsingHybridEulerFluxTask<dir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime)
{
assert(regions.size() == 4);
assert(futures.size() == 1);
// Accessors for variables in the Flux stencil
const AccessorRO<VecNEq, 3> acc_Conserved (regions[0], FID_Conserved);
#if (nSpec > 1)
const AccessorRO<VecNEq, 3> acc_Conserved_old(regions[0], FID_Conserved_old);
#endif
const AccessorRO<double, 3> acc_SoS (regions[0], FID_SoS);
const AccessorRO<double, 3> acc_rho (regions[0], FID_rho);
const AccessorRO<VecNSp, 3> acc_MassFracs (regions[0], FID_MassFracs);
const AccessorRO< Vec3, 3> acc_velocity (regions[0], FID_velocity);
const AccessorRO<double, 3> acc_pressure (regions[0], FID_pressure);
// Accessors for shock sensor
const AccessorRO< bool, 3> acc_shockSensor (regions[1], FID_shockSensor);
// Accessors for metrics
const AccessorRO<double, 3> acc_m_e (regions[1], FID_m_e);
// Accessors for node types
const AccessorRO< int, 3> acc_nType (regions[2], FID_nType);
// Accessors for RHS
const AccessorRW<VecNEq, 3> acc_Conserved_t (regions[3], FID_Conserved_t);
// Extract execution domains
const Rect<3> r_MyFluid = runtime->get_index_space_domain(ctx,
regions[3].get_logical_region().get_index_space());
const Rect<3> Fluid_bounds = args.Fluid_bounds;
#if (nSpec > 1)
// Wait for the deltaTime
const double deltaTime = futures[0].get_result<double>();
#endif
// Launch the kernel to update the RHS using the Euler fluxes reconstructed with hybrid scheme
const int threads_per_block = 256;
const dim3 TPB_3d = splitThreadsPerBlockSpan<dir>(threads_per_block, r_MyFluid);
const dim3 num_blocks_3d = numBlocksSpan<dir>(TPB_3d, r_MyFluid);
UpdateRHSUsingHybridFlux_kernel<dir><<<num_blocks_3d, TPB_3d>>>(
acc_Conserved_t, acc_m_e,
acc_Conserved,
#if (nSpec > 1)
acc_Conserved_old,
#endif
acc_rho, acc_SoS,
acc_MassFracs, acc_velocity, acc_pressure,
acc_nType, acc_shockSensor,
#if (nSpec > 1)
args.RK_coeffs[0], args.RK_coeffs[1], deltaTime,
#endif
r_MyFluid, Fluid_bounds,
getSize<Xdir>(r_MyFluid), getSize<Ydir>(r_MyFluid), getSize<Zdir>(r_MyFluid));
}
// Force the compiler to instanciate these functions
template void UpdateUsingHybridEulerFluxTask<Xdir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingHybridEulerFluxTask<Ydir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingHybridEulerFluxTask<Zdir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
//-----------------------------------------------------------------------------
// KERNELS FOR UpdateUsingTENOEulerFluxTask
//-----------------------------------------------------------------------------
template<direction dir, class Op>
__global__
void UpdateRHSUsingTENOFlux_kernel(const AccessorRW<VecNEq, 3> Conserved_t,
const AccessorRO<double, 3> m_e,
const AccessorRO<VecNEq, 3> Conserved,
#if (nSpec > 1)
const AccessorRO<VecNEq, 3> Conserved_old,
#endif
const AccessorRO<double, 3> SoS,
const AccessorRO<double, 3> rho,
const AccessorRO< Vec3, 3> velocity,
const AccessorRO<double, 3> pressure,
const AccessorRO<VecNSp, 3> MassFracs,
const AccessorRO< int, 3> nType,
#if (nSpec > 1)
const double RK_coeffs0,
const double RK_coeffs1,
const double deltaTime,
#endif
const Rect<3> Flux_bounds,
const Rect<3> Fluid_bounds,
const coord_t size_x,
const coord_t size_y,
const coord_t size_z)
{
int x = blockIdx.x * blockDim.x + threadIdx.x;
int y = blockIdx.y * blockDim.y + threadIdx.y;
int z = blockIdx.z * blockDim.z + threadIdx.z;
if (isThreadInCrossPlane<dir>(size_x, size_y, size_z)) {
const coord_t span_size = getSize<dir>(Flux_bounds);
const coord_t firstIndex = firstIndexInSpan<dir>(span_size);
if (firstIndex < span_size) {
const coord_t lastIndex = lastIndexInSpan<dir>(span_size);
// Launch the loop for the span
UpdateUsingTENOEulerFluxTask<dir, Op>::updateRHSSpan(
Conserved_t, m_e, nType, Conserved,
#if (nSpec > 1)
Conserved_old,
#endif
rho, SoS,
MassFracs, velocity, pressure,
#if (nSpec > 1)
RK_coeffs0, RK_coeffs1, deltaTime,
#endif
firstIndex, lastIndex,
x, y, z,
Flux_bounds, Fluid_bounds, mix);
}
}
}
template<direction dir, class Op>
__host__
void UpdateUsingTENOEulerFluxTask<dir, Op>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime)
{
assert(regions.size() == 4);
assert(futures.size() == 1);
// Accessors for variables in the Flux stencil
const AccessorRO<VecNEq, 3> acc_Conserved (regions[0], FID_Conserved);
#if (nSpec > 1)
const AccessorRO<VecNEq, 3> acc_Conserved_old(regions[0], FID_Conserved_old);
#endif
const AccessorRO<double, 3> acc_SoS (regions[0], FID_SoS);
const AccessorRO<double, 3> acc_rho (regions[0], FID_rho);
const AccessorRO< Vec3, 3> acc_velocity (regions[0], FID_velocity);
const AccessorRO<double, 3> acc_pressure (regions[0], FID_pressure);
// Accessors for quantities needed for the Roe averages
const AccessorRO<VecNSp, 3> acc_MassFracs (regions[1], FID_MassFracs);
// Accessors for metrics
const AccessorRO<double, 3> acc_m_e (regions[1], FID_m_e);
// Accessors for node types
const AccessorRO< int, 3> acc_nType (regions[2], FID_nType);
// Accessors for RHS
const AccessorRW<VecNEq, 3> acc_Conserved_t (regions[3], FID_Conserved_t);
// Extract execution domains
const Rect<3> r_MyFluid = runtime->get_index_space_domain(ctx,
regions[3].get_logical_region().get_index_space());
const Rect<3> Fluid_bounds = args.Fluid_bounds;
#if (nSpec > 1)
// Wait for the deltaTime
const double deltaTime = futures[0].get_result<double>();
#endif
// Launch the kernel to update the RHS using the Euler fluxes reconstructed with TENOA
const int threads_per_block = 256;
const dim3 TPB_3d = splitThreadsPerBlockSpan<dir>(threads_per_block, r_MyFluid);
const dim3 num_blocks_3d = numBlocksSpan<dir>(TPB_3d, r_MyFluid);
UpdateRHSUsingTENOFlux_kernel<dir, Op><<<num_blocks_3d, TPB_3d>>>(
acc_Conserved_t, acc_m_e,
acc_Conserved,
#if (nSpec > 1)
acc_Conserved_old,
#endif
acc_SoS, acc_rho,
acc_velocity, acc_pressure, acc_MassFracs,
acc_nType,
#if (nSpec > 1)
args.RK_coeffs[0], args.RK_coeffs[1], deltaTime,
#endif
r_MyFluid, Fluid_bounds,
getSize<Xdir>(r_MyFluid), getSize<Ydir>(r_MyFluid), getSize<Zdir>(r_MyFluid));
}
// Force the compiler to instanciate these functions
template void UpdateUsingTENOEulerFluxTask<Xdir, TENO_Op<> >::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingTENOEulerFluxTask<Ydir, TENO_Op<> >::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingTENOEulerFluxTask<Zdir, TENO_Op<> >::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingTENOEulerFluxTask<Xdir, TENOA_Op<> >::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingTENOEulerFluxTask<Ydir, TENOA_Op<> >::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingTENOEulerFluxTask<Zdir, TENOA_Op<> >::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingTENOEulerFluxTask<Xdir, TENOLAD_Op<> >::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingTENOEulerFluxTask<Ydir, TENOLAD_Op<> >::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingTENOEulerFluxTask<Zdir, TENOLAD_Op<> >::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
//-----------------------------------------------------------------------------
// KERNELS FOR UpdateUsingSkewSymmetricEulerFluxTask
//-----------------------------------------------------------------------------
template<direction dir>
__global__
void UpdateRHSUsingKGFlux_kernel(const AccessorRW<VecNEq, 3> Conserved_t,
const AccessorRO<double, 3> m_e,
const AccessorRO<VecNEq, 3> Conserved,
const AccessorRO<double, 3> rho,
const AccessorRO<VecNSp, 3> MassFracs,
const AccessorRO< Vec3, 3> velocity,
const AccessorRO<double, 3> pressure,
const AccessorRO< int, 3> nType,
const Rect<3> Flux_bounds,
const Rect<3> Fluid_bounds,
const coord_t size_x,
const coord_t size_y,
const coord_t size_z)
{
int x = blockIdx.x * blockDim.x + threadIdx.x;
int y = blockIdx.y * blockDim.y + threadIdx.y;
int z = blockIdx.z * blockDim.z + threadIdx.z;
if (isThreadInCrossPlane<dir>(size_x, size_y, size_z)) {
const coord_t span_size = getSize<dir>(Flux_bounds);
const coord_t firstIndex = firstIndexInSpan<dir>(span_size);
if (firstIndex < span_size) {
const coord_t lastIndex = lastIndexInSpan<dir>(span_size);
// Allocate a buffer for the summations of the KG scheme of size (3 * (3+1)/2 * (nEq+1)) for each thread
double KGSum[6*(nEq+1)];
// Launch the loop for the span
UpdateUsingSkewSymmetricEulerFluxTask<dir>::updateRHSSpan(
KGSum,
Conserved_t, m_e, nType,
Conserved, rho,
MassFracs, velocity, pressure,
firstIndex, lastIndex,
x, y, z,
Flux_bounds, Fluid_bounds);
}
}
}
template<direction dir>
__host__
void UpdateUsingSkewSymmetricEulerFluxTask<dir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime)
{
assert(regions.size() == 4);
assert(futures.size() == 0);
// Accessors for variables in the Flux stencil
const AccessorRO<VecNEq, 3> acc_Conserved(regions[0], FID_Conserved);
const AccessorRO<double, 3> acc_rho (regions[0], FID_rho);
const AccessorRO<VecNSp, 3> acc_MassFracs(regions[0], FID_MassFracs);
const AccessorRO< Vec3, 3> acc_velocity (regions[0], FID_velocity);
const AccessorRO<double, 3> acc_pressure (regions[0], FID_pressure);
// Accessors for node types
const AccessorRO< int, 3> acc_nType(regions[1], FID_nType);
// Accessors for metrics
const AccessorRO<double, 3> acc_m_e(regions[2], FID_m_e);
// Accessors for RHS
const AccessorRW<VecNEq, 3> acc_Conserved_t(regions[3], FID_Conserved_t);
// Extract execution domains
const Rect<3> r_MyFluid = runtime->get_index_space_domain(ctx, regions[3].get_logical_region().get_index_space());
const Rect<3> Fluid_bounds = args.Fluid_bounds;
// Launch the kernel to update the RHS using the Euler fluxes reconstructed with KG
const int threads_per_block = 256;
const dim3 TPB_3d = splitThreadsPerBlockSpan<dir>(threads_per_block, r_MyFluid);
const dim3 num_blocks_3d = numBlocksSpan<dir>(TPB_3d, r_MyFluid);
UpdateRHSUsingKGFlux_kernel<dir><<<num_blocks_3d, TPB_3d>>>(
acc_Conserved_t, acc_m_e,
acc_Conserved, acc_rho, acc_MassFracs,
acc_velocity, acc_pressure, acc_nType,
r_MyFluid, Fluid_bounds,
getSize<Xdir>(r_MyFluid), getSize<Ydir>(r_MyFluid), getSize<Zdir>(r_MyFluid));
}
// Force the compiler to instanciate these functions
template void UpdateUsingSkewSymmetricEulerFluxTask<Xdir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingSkewSymmetricEulerFluxTask<Ydir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingSkewSymmetricEulerFluxTask<Zdir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
//-----------------------------------------------------------------------------
// KERNELS FOR UpdateUsingDiffusionFluxTask
//-----------------------------------------------------------------------------
// Workaroud for Legion issue #879
struct UpdateRHSUsingDiffusionFlux_kernelArgs {
const AccessorRW<VecNEq, 3> Conserved_t;
const AccessorRO< int, 3> nType;
const AccessorRO< int, 3> nType1;
const AccessorRO< int, 3> nType2;
const AccessorRO<double, 3> m_s;
const AccessorRO<double, 3> m_d;
const AccessorRO<double, 3> m_d1;
const AccessorRO<double, 3> m_d2;
const AccessorRO<double, 3> rho;
const AccessorRO<double, 3> mu;
const AccessorRO<double, 3> lam;
const AccessorRO<VecNSp, 3> Di;
const AccessorRO<double, 3> temperature;
const AccessorRO< Vec3, 3> velocity;
const AccessorRO<VecNSp, 3> Xi;
const AccessorRO<VecNEq, 3> rhoYi;
};
template<direction dir>
__global__
#ifdef LEGION_BOUNDS_CHECKS
void UpdateRHSUsingDiffusionFlux_kernel(const DeferredBuffer<UpdateRHSUsingDiffusionFlux_kernelArgs, 1> buffer,
const Rect<3> Flux_bounds,
const Rect<3> Fluid_bounds,
const coord_t size_x,
const coord_t size_y,
const coord_t size_z)
#else
void UpdateRHSUsingDiffusionFlux_kernel(const UpdateRHSUsingDiffusionFlux_kernelArgs a,
const Rect<3> Flux_bounds,
const Rect<3> Fluid_bounds,
const coord_t size_x,
const coord_t size_y,
const coord_t size_z)
#endif
{
int x = blockIdx.x * blockDim.x + threadIdx.x;
int y = blockIdx.y * blockDim.y + threadIdx.y;
int z = blockIdx.z * blockDim.z + threadIdx.z;
#ifdef LEGION_BOUNDS_CHECKS
UpdateRHSUsingDiffusionFlux_kernelArgs a = buffer[0];
#endif
if (isThreadInCrossPlane<dir>(size_x, size_y, size_z)) {
const coord_t size = getSize<dir>(Fluid_bounds);
const coord_t span_size = getSize<dir>(Flux_bounds);
const coord_t firstIndex = firstIndexInSpan<dir>(span_size);
if (firstIndex < span_size) {
const coord_t lastIndex = lastIndexInSpan<dir>(span_size);
UpdateUsingDiffusionFluxTask<dir>::updateRHSSpan(
a.Conserved_t, a.m_s,
a.m_d, a.m_d1, a.m_d2,
a.nType, a.nType1, a.nType2,
a.rho, a.mu, a.lam, a.Di,
a.temperature, a.velocity, a.Xi, a.rhoYi,
firstIndex, lastIndex,
x, y, z,
Flux_bounds, Fluid_bounds, mix);
}
}
}
template<direction dir>
__host__
void UpdateUsingDiffusionFluxTask<dir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime)
{
assert(regions.size() == 5);
assert(futures.size() == 0);
// Accessors for DiffGhost region
const AccessorRO<VecNEq, 3> acc_Conserved (regions[0], FID_Conserved);
const AccessorRO<double, 3> acc_temperature(regions[0], FID_temperature);
const AccessorRO<VecNSp, 3> acc_MolarFracs (regions[0], FID_MolarFracs);
const AccessorRO<double, 3> acc_rho (regions[0], FID_rho);
const AccessorRO<double, 3> acc_mu (regions[0], FID_mu);
const AccessorRO<double, 3> acc_lam (regions[0], FID_lam);
const AccessorRO<VecNSp, 3> acc_Di (regions[0], FID_Di);
const AccessorRO< int, 3> acc_nType1 (regions[0], FID_nType1);
const AccessorRO< int, 3> acc_nType2 (regions[0], FID_nType2);
const AccessorRO<double, 3> acc_m_d1 (regions[0], FID_m_d1);
const AccessorRO<double, 3> acc_m_d2 (regions[0], FID_m_d2);
// Accessors for DiffGradGhost region
const AccessorRO< Vec3, 3> acc_velocity (regions[1], FID_velocity);
// Accessors for DivgGhost region
const AccessorRO< int, 3> acc_nType (regions[2], FID_nType);
const AccessorRO<double, 3> acc_m_s (regions[2], FID_m_s);
// Accessors for metrics
const AccessorRO<double, 3> acc_m_d (regions[3], FID_m_d);
// Accessors for RHS
const AccessorRW<VecNEq, 3> acc_Conserved_t(regions[4], FID_Conserved_t);
// Extract execution domains
const Rect<3> r_MyFluid = runtime->get_index_space_domain(ctx, regions[4].get_logical_region().get_index_space());
const Rect<3> Fluid_bounds = args.Fluid_bounds;
// Launch the kernel to update the RHS using the diffusion fluxes
const int threads_per_block = 256;
const dim3 TPB_3d = splitThreadsPerBlockSpan<dir>(threads_per_block, r_MyFluid);
const dim3 num_blocks_3d = numBlocksSpan<dir>(TPB_3d, r_MyFluid);
const UpdateRHSUsingDiffusionFlux_kernelArgs kArgs = {
.Conserved_t = acc_Conserved_t,
.nType = acc_nType,
.nType1 = acc_nType1,
.nType2 = acc_nType2,
.m_s = acc_m_s,
.m_d = acc_m_d,
.m_d1 = acc_m_d1,
.m_d2 = acc_m_d2,
.rho = acc_rho,
.mu = acc_mu,
.lam = acc_lam,
.Di = acc_Di,
.temperature = acc_temperature,
.velocity = acc_velocity,
.Xi = acc_MolarFracs,
.rhoYi = acc_Conserved
};
#ifdef LEGION_BOUNDS_CHECKS
DeferredBuffer<UpdateRHSUsingDiffusionFlux_kernelArgs, 1>
buffer(Rect<1>(Point<1>(0), Point<1>(1)), Memory::Z_COPY_MEM, &kArgs);
UpdateRHSUsingDiffusionFlux_kernel<dir><<<num_blocks_3d, TPB_3d>>>(buffer,
r_MyFluid, Fluid_bounds,
getSize<Xdir>(r_MyFluid), getSize<Ydir>(r_MyFluid), getSize<Zdir>(r_MyFluid));
#else
UpdateRHSUsingDiffusionFlux_kernel<dir><<<num_blocks_3d, TPB_3d>>>(kArgs,
r_MyFluid, Fluid_bounds,
getSize<Xdir>(r_MyFluid), getSize<Ydir>(r_MyFluid), getSize<Zdir>(r_MyFluid));
#endif
}
template void UpdateUsingDiffusionFluxTask<Xdir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingDiffusionFluxTask<Ydir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingDiffusionFluxTask<Zdir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
//-----------------------------------------------------------------------------
// KERNELS FOR UpdateUsingFluxNSCBCInflowMinusSideTask
//-----------------------------------------------------------------------------
template<direction dir>
__global__
void UpdateUsingFluxNSCBCInflowMinusSideTask_kernel(
const AccessorRW<VecNEq, 3> Conserved_t,
const AccessorRO<VecNSp, 3> MassFracs,
const AccessorRO<double, 3> pressure,
const AccessorRO<double, 3> SoS,
const AccessorRO<double, 3> rho,
const AccessorRO<double, 3> temperature,
const AccessorRO< Vec3, 3> velocity,
const AccessorRO< Vec3, 3> dudt,
const AccessorRO<double, 3> dTdt,
const AccessorRO< int, 3> nType,
const AccessorRO<double, 3> m_d,
const Rect<3> BC_bounds,
const coord_t size_x,
const coord_t size_y,
const coord_t size_z)
{
int x = blockIdx.x * blockDim.x + threadIdx.x;
int y = blockIdx.y * blockDim.y + threadIdx.y;
int z = blockIdx.z * blockDim.z + threadIdx.z;
if ((x < size_x) && (y < size_y) && (z < size_z)) {
const Point<3> p = Point<3>(x + BC_bounds.lo.x,
y + BC_bounds.lo.y,
z + BC_bounds.lo.z);
UpdateUsingFluxNSCBCInflowMinusSideTask<dir>::addLODIfluxes(
Conserved_t[p],
MassFracs, pressure, velocity,
SoS[p], rho[p], temperature[p],
dudt[p], dTdt[p],
p, nType[p], m_d[p], mix);
}
}
template<direction dir>
__host__
void UpdateUsingFluxNSCBCInflowMinusSideTask<dir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime)
{
assert(regions.size() == 3);
assert(futures.size() == 0);
// Accessors for Fluid data
const AccessorRO<VecNSp, 3> acc_MassFracs (regions[0], FID_MassFracs);
const AccessorRO<double, 3> acc_pressure (regions[0], FID_pressure);
const AccessorRO< Vec3, 3> acc_velocity (regions[0], FID_velocity);
// Accessors for local data
const AccessorRO< int, 3> acc_nType (regions[1], FID_nType);
const AccessorRO<double, 3> acc_m_d (regions[1], FID_m_d);
const AccessorRO<double, 3> acc_rho (regions[1], FID_rho);
const AccessorRO<double, 3> acc_SoS (regions[1], FID_SoS);
const AccessorRO<double, 3> acc_temperature(regions[1], FID_temperature);
const AccessorRO< Vec3, 3> acc_dudt (regions[1], FID_dudtBoundary);
const AccessorRO<double, 3> acc_dTdt (regions[1], FID_dTdtBoundary);
// Accessors for RHS
const AccessorRW<VecNEq, 3> acc_Conserved_t(regions[2], FID_Conserved_t);
// Extract BC domain
const Rect<3> r_BC = runtime->get_index_space_domain(ctx,
regions[2].get_logical_region().get_index_space());
// Launch the kernel to update the RHS NSCBC nodes
const int threads_per_block = 256;
const dim3 TPB_3d = splitThreadsPerBlock<Xdir>(threads_per_block, r_BC);
const dim3 num_blocks_3d = dim3((getSize<Xdir>(r_BC) + (TPB_3d.x - 1)) / TPB_3d.x,
(getSize<Ydir>(r_BC) + (TPB_3d.y - 1)) / TPB_3d.y,
(getSize<Zdir>(r_BC) + (TPB_3d.z - 1)) / TPB_3d.z);
UpdateUsingFluxNSCBCInflowMinusSideTask_kernel<dir><<<num_blocks_3d, TPB_3d>>>(
acc_Conserved_t,
acc_MassFracs, acc_pressure, acc_SoS, acc_rho,
acc_temperature, acc_velocity,
acc_dudt, acc_dTdt,
acc_nType, acc_m_d,
r_BC,
getSize<Xdir>(r_BC), getSize<Ydir>(r_BC), getSize<Zdir>(r_BC));
}
template void UpdateUsingFluxNSCBCInflowMinusSideTask<Xdir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingFluxNSCBCInflowMinusSideTask<Ydir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingFluxNSCBCInflowMinusSideTask<Zdir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
//-----------------------------------------------------------------------------
// KERNELS FOR UpdateUsingFluxNSCBCInflowPlusSideTask
//-----------------------------------------------------------------------------
template<direction dir>
__global__
void UpdateUsingFluxNSCBCInflowPlusSideTask_kernel(
const AccessorRW<VecNEq, 3> Conserved_t,
const AccessorRO<VecNSp, 3> MassFracs,
const AccessorRO<double, 3> pressure,
const AccessorRO<double, 3> SoS,
const AccessorRO<double, 3> rho,
const AccessorRO<double, 3> temperature,
const AccessorRO< Vec3, 3> velocity,
const AccessorRO< Vec3, 3> dudt,
const AccessorRO<double, 3> dTdt,
const AccessorRO< int, 3> nType,
const AccessorRO<double, 3> m_d,
const Rect<3> BC_bounds,
const coord_t size_x,
const coord_t size_y,
const coord_t size_z)
{
int x = blockIdx.x * blockDim.x + threadIdx.x;
int y = blockIdx.y * blockDim.y + threadIdx.y;
int z = blockIdx.z * blockDim.z + threadIdx.z;
if ((x < size_x) && (y < size_y) && (z < size_z)) {
const Point<3> p = Point<3>(x + BC_bounds.lo.x,
y + BC_bounds.lo.y,
z + BC_bounds.lo.z);
UpdateUsingFluxNSCBCInflowPlusSideTask<dir>::addLODIfluxes(
Conserved_t[p],
MassFracs, pressure, velocity,
SoS[p], rho[p], temperature[p],
dudt[p], dTdt[p],
p, nType[p], m_d[p], mix);
}
}
template<direction dir>
__host__
void UpdateUsingFluxNSCBCInflowPlusSideTask<dir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime)
{
assert(regions.size() == 3);
assert(futures.size() == 0);
// Accessors for Fluid data
const AccessorRO<VecNSp, 3> acc_MassFracs (regions[0], FID_MassFracs);
const AccessorRO<double, 3> acc_pressure (regions[0], FID_pressure);
const AccessorRO< Vec3, 3> acc_velocity (regions[0], FID_velocity);
// Accessors for local data
const AccessorRO< int, 3> acc_nType (regions[1], FID_nType);
const AccessorRO<double, 3> acc_m_d (regions[1], FID_m_d);
const AccessorRO<double, 3> acc_rho (regions[1], FID_rho);
const AccessorRO<double, 3> acc_SoS (regions[1], FID_SoS);
const AccessorRO<double, 3> acc_temperature(regions[1], FID_temperature);
const AccessorRO< Vec3, 3> acc_dudt (regions[1], FID_dudtBoundary);
const AccessorRO<double, 3> acc_dTdt (regions[1], FID_dTdtBoundary);
// Accessors for RHS
const AccessorRW<VecNEq, 3> acc_Conserved_t(regions[2], FID_Conserved_t);
// Extract BC domain
const Rect<3> r_BC = runtime->get_index_space_domain(ctx,
regions[2].get_logical_region().get_index_space());
// Launch the kernel to update the RHS NSCBC nodes
const int threads_per_block = 256;
const dim3 TPB_3d = splitThreadsPerBlock<Xdir>(threads_per_block, r_BC);
const dim3 num_blocks_3d = dim3((getSize<Xdir>(r_BC) + (TPB_3d.x - 1)) / TPB_3d.x,
(getSize<Ydir>(r_BC) + (TPB_3d.y - 1)) / TPB_3d.y,
(getSize<Zdir>(r_BC) + (TPB_3d.z - 1)) / TPB_3d.z);
UpdateUsingFluxNSCBCInflowPlusSideTask_kernel<dir><<<num_blocks_3d, TPB_3d>>>(
acc_Conserved_t,
acc_MassFracs, acc_pressure, acc_SoS, acc_rho,
acc_temperature, acc_velocity, acc_dudt, acc_dTdt,
acc_nType, acc_m_d,
r_BC,
getSize<Xdir>(r_BC), getSize<Ydir>(r_BC), getSize<Zdir>(r_BC));
}
template void UpdateUsingFluxNSCBCInflowPlusSideTask<Xdir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingFluxNSCBCInflowPlusSideTask<Ydir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingFluxNSCBCInflowPlusSideTask<Zdir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
//-----------------------------------------------------------------------------
// KERNELS FOR UpdateUsingFluxNSCBCOutflowMinusSideTask
//-----------------------------------------------------------------------------
// Workaroud for Legion issue #879
struct UpdateUsingFluxNSCBCOutflowTask_kernelArgs {
const AccessorRW<VecNEq, 3> Conserved_t;
const AccessorRO< int, 3> nType_N;
const AccessorRO< int, 3> nType_T1;
const AccessorRO< int, 3> nType_T2;
const AccessorRO<double, 3> m_d_N;
const AccessorRO<double, 3> m_d_T1;
const AccessorRO<double, 3> m_d_T2;
const AccessorRO<VecNSp, 3> MassFracs;
const AccessorRO<double, 3> pressure;
const AccessorRO<double, 3> SoS;
const AccessorRO<double, 3> rho;
const AccessorRO<double, 3> mu;
const AccessorRO<double, 3> temperature;
const AccessorRO< Vec3, 3> velocity;
const AccessorRO<VecNEq, 3> Conserved;
};
template<direction dir>
__global__
#ifdef LEGION_BOUNDS_CHECKS
void UpdateUsingFluxNSCBCOutflowMinusSideTask_kernel(
const DeferredBuffer<UpdateUsingFluxNSCBCOutflowTask_kernelArgs, 1> buffer,
const double MaxMach,
const double LengthScale,
const double PInf,
const Rect<3> BC_bounds,
const Rect<3> Fluid_bounds,
const coord_t size_x,
const coord_t size_y,
const coord_t size_z)
#else
void UpdateUsingFluxNSCBCOutflowMinusSideTask_kernel(
const UpdateUsingFluxNSCBCOutflowTask_kernelArgs a,
const double MaxMach,
const double LengthScale,
const double PInf,
const Rect<3> BC_bounds,
const Rect<3> Fluid_bounds,
const coord_t size_x,
const coord_t size_y,
const coord_t size_z)
#endif
{
int x = blockIdx.x * blockDim.x + threadIdx.x;
int y = blockIdx.y * blockDim.y + threadIdx.y;
int z = blockIdx.z * blockDim.z + threadIdx.z;
#ifdef LEGION_BOUNDS_CHECKS
UpdateUsingFluxNSCBCOutflowTask_kernelArgs a = buffer[0];
#endif
if ((x < size_x) && (y < size_y) && (z < size_z)) {
const Point<3> p = Point<3>(x + BC_bounds.lo.x,
y + BC_bounds.lo.y,
z + BC_bounds.lo.z);
UpdateUsingFluxNSCBCOutflowMinusSideTask<dir>::addLODIfluxes(
a.Conserved_t[p],
a.nType_N, a.nType_T1, a.nType_T2,
a.m_d_N, a.m_d_T1, a.m_d_T2,
a.MassFracs, a.rho, a.mu, a.pressure, a.velocity,
a.SoS[p], a.temperature[p], a.Conserved[p],
p, Fluid_bounds, MaxMach, LengthScale, PInf, mix);
}
}
template<direction dir>
__host__
void UpdateUsingFluxNSCBCOutflowMinusSideTask<dir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime)
{
assert(regions.size() == 4);
assert(futures.size() == 1);
// Accessors for ghost data
const AccessorRO< Vec3, 3> acc_velocity (regions[0], FID_velocity);
// Accessors for Fluid data
const AccessorRO< int, 3> acc_nType_N (regions[1], FID_nType_N);
const AccessorRO< int, 3> acc_nType_T1 (regions[1], FID_nType_T1);
const AccessorRO< int, 3> acc_nType_T2 (regions[1], FID_nType_T2);
const AccessorRO<double, 3> acc_m_d_N (regions[1], FID_m_d_N);
const AccessorRO<double, 3> acc_m_d_T1 (regions[1], FID_m_d_T1);
const AccessorRO<double, 3> acc_m_d_T2 (regions[1], FID_m_d_T2);
const AccessorRO<double, 3> acc_rho (regions[1], FID_rho);
const AccessorRO<double, 3> acc_mu (regions[1], FID_mu);
const AccessorRO<VecNSp, 3> acc_MassFracs (regions[1], FID_MassFracs);
const AccessorRO<double, 3> acc_pressure (regions[1], FID_pressure);
// Accessors for local data
const AccessorRO<double, 3> acc_SoS (regions[2], FID_SoS);
const AccessorRO<double, 3> acc_temperature(regions[2], FID_temperature);
const AccessorRO<VecNEq, 3> acc_Conserved (regions[2], FID_Conserved);
// Accessors for RHS
const AccessorRW<VecNEq, 3> acc_Conserved_t(regions[3], FID_Conserved_t);
// Wait for the maximum Mach number
const double MaxMach = futures[0].get_result<double>();
// Extract BC domain
const Rect<3> r_BC = runtime->get_index_space_domain(ctx,
regions[3].get_logical_region().get_index_space());
// Launch the kernel to update the RHS NSCBC nodes
const int threads_per_block = 256;
const dim3 TPB_3d = splitThreadsPerBlock<Xdir>(threads_per_block, r_BC);
const dim3 num_blocks_3d = dim3((getSize<Xdir>(r_BC) + (TPB_3d.x - 1)) / TPB_3d.x,
(getSize<Ydir>(r_BC) + (TPB_3d.y - 1)) / TPB_3d.y,
(getSize<Zdir>(r_BC) + (TPB_3d.z - 1)) / TPB_3d.z);
const UpdateUsingFluxNSCBCOutflowTask_kernelArgs kArgs = {
.Conserved_t = acc_Conserved_t,
.nType_N = acc_nType_N,
.nType_T1 = acc_nType_T1,
.nType_T2 = acc_nType_T2,
.m_d_N = acc_m_d_N,
.m_d_T1 = acc_m_d_T1,
.m_d_T2 = acc_m_d_T2,
.MassFracs = acc_MassFracs,
.pressure = acc_pressure,
.SoS = acc_SoS,
.rho = acc_rho,
.mu = acc_mu,
.temperature = acc_temperature,
.velocity = acc_velocity,
.Conserved = acc_Conserved
};
#ifdef LEGION_BOUNDS_CHECKS
DeferredBuffer<UpdateUsingFluxNSCBCOutflowTask_kernelArgs, 1>
buffer(Rect<1>(Point<1>(0), Point<1>(1)), Memory::Z_COPY_MEM, &kArgs);
UpdateUsingFluxNSCBCOutflowMinusSideTask_kernel<dir><<<num_blocks_3d, TPB_3d>>>(
buffer,
MaxMach, args.LengthScale, args.PInf, r_BC, args.Fluid_bounds,
getSize<Xdir>(r_BC), getSize<Ydir>(r_BC), getSize<Zdir>(r_BC));
#else
UpdateUsingFluxNSCBCOutflowMinusSideTask_kernel<dir><<<num_blocks_3d, TPB_3d>>>(
kArgs,
MaxMach, args.LengthScale, args.PInf, r_BC, args.Fluid_bounds,
getSize<Xdir>(r_BC), getSize<Ydir>(r_BC), getSize<Zdir>(r_BC));
#endif
}
template void UpdateUsingFluxNSCBCOutflowMinusSideTask<Xdir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingFluxNSCBCOutflowMinusSideTask<Ydir>::gpu_base_impl(
const Args &args,
const std::vector<PhysicalRegion> ®ions,
const std::vector<Future> &futures,
Context ctx, Runtime *runtime);
template void UpdateUsingFluxNSCBCOutflowMinusSideTask<Zdir>::gpu_base_impl(