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soleil-desugared.rg
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soleil-desugared.rg
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import "regent"
-------------------------------------------------------------------------------
-- IMPORTS
-------------------------------------------------------------------------------
local C = regentlib.c
local MAPPER = terralib.includec("soleil_mapper.h")
local SCHEMA = terralib.includec("config_schema.h")
local UTIL = require 'util-desugared'
local acos = regentlib.acos(double)
local ceil = regentlib.ceil(double)
local cos = regentlib.cos(double)
local exp = regentlib.exp(double)
local fabs = regentlib.fabs(double)
local floor = regentlib.floor(double)
local fmod = regentlib.fmod(double)
local pow = regentlib.pow(double)
local sin = regentlib.sin(double)
local sqrt = regentlib.sqrt(double)
local log = regentlib.log(double)
-------------------------------------------------------------------------------
-- COMPILE-TIME CONFIGURATION
-------------------------------------------------------------------------------
local MAX_ANGLES_PER_QUAD = 44
-------------------------------------------------------------------------------
-- DATA STRUCTURES
-------------------------------------------------------------------------------
local Config = SCHEMA.Config
local MultiConfig = SCHEMA.MultiConfig
local struct Particles_columns {
cell : int3d;
position : double[3];
velocity : double[3];
temperature : double;
diameter : double;
density : double;
deltaVelocityOverRelaxationTime : double[3];
deltaTemperatureTerm : double;
position_old : double[3];
velocity_old : double[3];
temperature_old : double;
position_new : double[3];
velocity_new : double[3];
temperature_new : double;
velocity_t : double[3];
temperature_t : double;
__valid : bool;
__xfer_dir : int8;
__xfer_slot : int64;
}
local Particles_primitives = terralib.newlist({
'position',
'velocity',
'temperature',
'diameter',
'density',
'__valid',
})
local Particles_derived = terralib.newlist({
'cell',
'deltaVelocityOverRelaxationTime',
'deltaTemperatureTerm',
})
local Particles_iterTemp = terralib.newlist({
'position_old',
'velocity_old',
'temperature_old',
'position_new',
'velocity_new',
'temperature_new',
})
local Particles_subStepTemp = terralib.newlist({
'velocity_t',
'temperature_t',
'__xfer_dir',
'__xfer_slot',
})
for _,e in ipairs(Particles_columns.entries) do
local fld,_ = UTIL.parseStructEntry(e)
assert(Particles_primitives:find(fld) or
Particles_derived:find(fld) or
Particles_iterTemp:find(fld) or
Particles_subStepTemp:find(fld))
end
local Particles_subStepConserved =
UTIL.setToList(
UTIL.setSubList(
UTIL.listToSet(UTIL.fieldNames(Particles_columns)),
Particles_subStepTemp))
local TradeQueue_columns =
UTIL.deriveStruct('TradeQueue_columns',
Particles_columns,
Particles_subStepConserved)
local CopyQueue_columns =
UTIL.deriveStruct('CopyQueue_columns',
Particles_columns,
Particles_primitives)
local struct Fluid_columns {
rho : double;
pressure : double;
velocity : double[3];
centerCoordinates : double[3];
velocityGradientX : double[3];
velocityGradientY : double[3];
velocityGradientZ : double[3];
temperature : double;
rhoVelocity : double[3];
rhoEnergy : double;
rho_old : double;
rhoVelocity_old : double[3];
rhoEnergy_old : double;
rho_new : double;
rhoVelocity_new : double[3];
rhoEnergy_new : double;
rho_t : double;
rhoVelocity_t : double[3];
rhoEnergy_t : double;
rhoFluxX : double;
rhoVelocityFluxX : double[3];
rhoEnergyFluxX : double;
rhoFluxY : double;
rhoVelocityFluxY : double[3];
rhoEnergyFluxY : double;
rhoFluxZ : double;
rhoVelocityFluxZ : double[3];
rhoEnergyFluxZ : double;
dissipation : double;
dissipationFlux : double;
to_Radiation : int3d;
dudtBoundary : double;
dTdtBoundary : double;
velocity_old_NSCBC : double[3];
temperature_old_NSCBC : double;
velocity_inc : double[3];
temperature_inc : double;
}
local Fluid_primitives = terralib.newlist({
'rho',
'pressure',
'velocity',
'temperature',
})
struct Radiation_columns {
G : double;
S : double;
Ib : double;
sigma : double;
acc_d2 : double;
acc_d2t4 : double;
}
-------------------------------------------------------------------------------
-- EXTERNAL MODULE IMPORTS
-------------------------------------------------------------------------------
local DOM = (require 'dom-desugared')(MAX_ANGLES_PER_QUAD, Radiation_columns, SCHEMA)
local HDF_FLUID = (require 'hdf_helper')(int3d, int3d, Fluid_columns,
Fluid_primitives,
{timeStep=int,simTime=double})
local HDF_PARTICLES = (require 'hdf_helper')(int1d, int3d, Particles_columns,
Particles_primitives,
{timeStep=int,simTime=double})
local ID_HELPER = (require 'id_euler_tasks_soleil')('rho', Fluid_columns)
local ID_LA = (require 'id_linear_alg_soleil')
-------------------------------------------------------------------------------
-- CONSTANTS
-------------------------------------------------------------------------------
local PI = 3.1415926535898
local SB = 5.67e-08
local DBL_DECIMAL_DIG = 17 -- HACK: normally defined in float.h
local DBL_FORMAT = '%.'..tostring(DBL_DECIMAL_DIG)..'e'
local RK_MIN_ORDER = 2
local RK_MAX_ORDER = 4
-- We only support methods with C[i+1] = A[i+1,i] and A[i,j] = 0 for i != j+1
local RK_B = { -- B[1] B[2] ... B[s]
[2] = { 0.0, 1.0},
[3] = {1.0/4.0, 0.0, 3.0/4.0},
[4] = {1.0/6.0, 1.0/3.0, 1.0/3.0, 1.0/6.0},
}
local RK_C = { -- C[2] ... C[s]
[2] = {1.0/2.0},
[3] = {1.0/3.0, 2.0/3.0},
[4] = {1.0/2.0, 1.0/2.0, 1.0},
}
-------------------------------------------------------------------------------
-- MACROS
-------------------------------------------------------------------------------
local __demand(__inline)
task is_xNegGhost(c : int3d, Grid_xBnum : int)
return c.x < Grid_xBnum
end
local __demand(__inline)
task is_yNegGhost(c : int3d, Grid_yBnum : int)
return c.y < Grid_yBnum
end
local __demand(__inline)
task is_zNegGhost(c : int3d, Grid_zBnum : int)
return c.z < Grid_zBnum
end
local __demand(__inline)
task is_xPosGhost(c : int3d, Grid_xBnum : int, Grid_xNum : int)
return c.x >= Grid_xNum + Grid_xBnum
end
local __demand(__inline)
task is_yPosGhost(c : int3d, Grid_yBnum : int, Grid_yNum : int)
return c.y >= Grid_yNum + Grid_yBnum
end
local __demand(__inline)
task is_zPosGhost(c : int3d, Grid_zBnum : int, Grid_zNum : int)
return c.z >= Grid_zNum + Grid_zBnum
end
local __demand(__inline)
task in_interior(c : int3d,
Grid_xBnum : int, Grid_xNum : int,
Grid_yBnum : int, Grid_yNum : int,
Grid_zBnum : int, Grid_zNum : int)
return
Grid_xBnum <= c.x and c.x < Grid_xNum + Grid_xBnum and
Grid_yBnum <= c.y and c.y < Grid_yNum + Grid_yBnum and
Grid_zBnum <= c.z and c.z < Grid_zNum + Grid_zBnum
end
local __demand(__inline)
task drand48_r(rngState : &C.drand48_data)
var res : double
C.drand48_r(rngState, &res)
return res
end
__demand(__inline)
task vs_mul(a : double[3], b : double)
return array(a[0] * b, a[1] * b, a[2] * b)
end
__demand(__inline)
task vs_div(a : double[3], b : double)
return array(a[0] / b, a[1] / b, a[2] / b)
end
__demand(__inline)
task dot(a : double[3], b : double[3])
return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]
end
__demand(__inline)
task vv_add(a : double[3], b : double[3])
return array(a[0] + b[0], a[1] + b[1], a[2] + b[2])
end
__demand(__inline)
task vv_sub(a : double[3], b : double[3])
return array(a[0] - b[0], a[1] - b[1], a[2] - b[2])
end
__demand(__inline)
task vv_mul(a : double[3], b : double[3])
return array(a[0] * b[0], a[1] * b[1], a[2] * b[2])
end
__demand(__inline)
task vv_div(a : double[3], b : double[3])
return array(a[0] / b[0], a[1] / b[1], a[2] / b[2])
end
-------------------------------------------------------------------------------
-- I/O ROUTINES
-------------------------------------------------------------------------------
-- regentlib.rexpr, regentlib.rexpr, regentlib.rexpr* -> regentlib.rquote
local function emitConsoleWrite(config, format, ...)
local args = terralib.newlist{...}
return rquote
var consoleFile = [&int8](C.malloc(256))
C.snprintf(consoleFile, 256, '%s/console.txt', config.Mapping.outDir)
var console = UTIL.openFile(consoleFile, 'a')
C.free(consoleFile)
C.fprintf(console, format, [args])
C.fflush(console)
C.fclose(console)
end
end
__demand(__leaf) -- MANUALLY PARALLELIZED, NO CUDA, NO OPENMP
task Console_WriteHeader(_ : int,
config : Config)
[emitConsoleWrite(config, 'Iteration\t'..
'Sim Time\t'..
'Wall Time\t'..
'Delta Time\t'..
'Avg Press\t'..
'Avg Temp\t'..
'Avg KE\t'..
'Particle Num\t'..
'Avg Particle T\n')];
return _
end
__demand(__leaf) -- MANUALLY PARALLELIZED, NO CUDA, NO OPENMP
task Console_Write(config : Config,
Integrator_timeStep : int,
Integrator_simTime : double,
startTime : uint64,
Integrator_deltaTime : double,
Flow_averagePressure : double,
Flow_averageTemperature : double,
Flow_averageKineticEnergy : double,
Particles_number : int64,
Particles_averageTemperature : double)
var currTime = C.legion_get_current_time_in_micros() / 1000;
[emitConsoleWrite(config, '%d\t'..
DBL_FORMAT..'\t'..
'%llu.%03llu\t'..
DBL_FORMAT..'\t'..
DBL_FORMAT..'\t'..
DBL_FORMAT..'\t'..
DBL_FORMAT..'\t'..
'%lld\t'..
DBL_FORMAT..'\n',
Integrator_timeStep,
Integrator_simTime,
rexpr (currTime - startTime) / 1000 end,
rexpr (currTime - startTime) % 1000 end,
Integrator_deltaTime,
Flow_averagePressure,
Flow_averageTemperature,
Flow_averageKineticEnergy,
Particles_number,
Particles_averageTemperature)];
end
-- regentlib.rexpr, regentlib.rexpr, regentlib.rexpr, regentlib.rexpr*
-- -> regentlib.rquote
local function emitProbeWrite(config, probeId, format, ...)
local args = terralib.newlist{...}
return rquote
var filename = [&int8](C.malloc(256))
C.snprintf(filename, 256, '%s/probe%d.csv', config.Mapping.outDir, probeId)
var file = UTIL.openFile(filename, 'a')
C.free(filename)
C.fprintf(file, format, [args])
C.fflush(file)
C.fclose(file)
end
end
__demand(__leaf, __parallel, __cuda)
task Probe_AvgFluidT(Fluid : region(ispace(int3d), Fluid_columns),
probe : SCHEMA.Volume,
totalCells : int)
where
reads(Fluid.temperature)
do
var fromCell = probe.fromCell
var uptoCell = probe.uptoCell
var acc = 0.0
__demand(__openmp)
for c in Fluid do
if fromCell[0] <= c.x and c.x <= uptoCell[0] and
fromCell[1] <= c.y and c.y <= uptoCell[1] and
fromCell[2] <= c.z and c.z <= uptoCell[2] then
acc += Fluid[c].temperature / totalCells
end
end
return acc
end
__demand(__leaf, __parallel, __cuda)
task Probe_CountParticles(Particles : region(ispace(int1d), Particles_columns),
probe : SCHEMA.Volume)
where
reads(Particles.{cell, __valid})
do
var fromCell = probe.fromCell
var uptoCell = probe.uptoCell
var acc = int64(0)
__demand(__openmp)
for p in Particles do
if Particles[p].__valid then
var cell = Particles[p].cell
if fromCell[0] <= cell.x and cell.x <= uptoCell[0] and
fromCell[1] <= cell.y and cell.y <= uptoCell[1] and
fromCell[2] <= cell.z and cell.z <= uptoCell[2] then
acc += 1
end
end
end
return acc
end
__demand(__leaf, __parallel, __cuda)
task Probe_AvgParticleT(Particles : region(ispace(int1d), Particles_columns),
probe : SCHEMA.Volume,
totalParticles : int64)
where
reads(Particles.{cell, temperature, __valid})
do
var fromCell = probe.fromCell
var uptoCell = probe.uptoCell
var acc = 0.0
__demand(__openmp)
for p in Particles do
if Particles[p].__valid then
var cell = Particles[p].cell
if fromCell[0] <= cell.x and cell.x <= uptoCell[0] and
fromCell[1] <= cell.y and cell.y <= uptoCell[1] and
fromCell[2] <= cell.z and cell.z <= uptoCell[2] then
acc += Particles[p].temperature / totalParticles
end
end
end
return acc
end
__demand(__leaf, __parallel, __cuda)
task Probe_AvgCellOfParticleT(Fluid : region(ispace(int3d), Fluid_columns),
Particles : region(ispace(int1d), Particles_columns),
probe : SCHEMA.Volume,
totalParticles : int64)
where
reads(Particles.{cell, temperature, __valid}),
reads(Fluid.temperature)
do
var fromCell = probe.fromCell
var uptoCell = probe.uptoCell
var acc = 0.0
__demand(__openmp)
for p in Particles do
if Particles[p].__valid then
var cell = Particles[p].cell
if fromCell[0] <= cell.x and cell.x <= uptoCell[0] and
fromCell[1] <= cell.y and cell.y <= uptoCell[1] and
fromCell[2] <= cell.z and cell.z <= uptoCell[2] then
acc += Fluid[cell].temperature / totalParticles
end
end
end
return acc
end
__demand(__leaf) -- MANUALLY PARALLELIZED, NO CUDA, NO OPENMP
task Probe_WriteHeader(_ : int,
config : Config,
probeId : int)
[emitProbeWrite(config, probeId, 'Iter\t'..
'AvgFluidT\t'..
'AvgParticleT\t'..
'AvgCellOfParticleT\n')];
return _
end
__demand(__leaf) -- MANUALLY PARALLELIZED, NO CUDA, NO OPENMP
task Probe_Write(_ : int,
config : Config,
probeId : int,
Integrator_timeStep : int,
avgFluidT : double,
avgParticleT : double,
avgCellOfParticleT : double)
[emitProbeWrite(config, probeId, '%d\t'..
DBL_FORMAT..'\t'..
DBL_FORMAT..'\t'..
DBL_FORMAT..'\n',
Integrator_timeStep,
avgFluidT,
avgParticleT,
avgCellOfParticleT)];
return _
end
__demand(__leaf) -- MANUALLY PARALLELIZED, NO CUDA, NO OPENMP
task IO_CreateDir(_ : int,
dirname : regentlib.string)
UTIL.createDir(dirname)
return _
end
-------------------------------------------------------------------------------
-- OTHER ROUTINES
-------------------------------------------------------------------------------
__demand(__inline)
task locate(pos : double[3],
Grid_xBnum : int32, Grid_xNum : int32, Grid_xOrigin : double, Grid_xWidth : double,
Grid_yBnum : int32, Grid_yNum : int32, Grid_yOrigin : double, Grid_yWidth : double,
Grid_zBnum : int32, Grid_zNum : int32, Grid_zOrigin : double, Grid_zWidth : double)
var xcw = Grid_xWidth/Grid_xNum
var xro = Grid_xOrigin-Grid_xBnum*xcw
var xpos = int(floor((pos[0]-xro)/xcw))
var xrnum = Grid_xNum+2*Grid_xBnum
var xidx = max(0, min(xrnum-1, xpos))
var ycw = Grid_yWidth/Grid_yNum
var yro = Grid_yOrigin-Grid_yBnum*ycw
var ypos = int(floor((pos[1]-yro)/ycw))
var yrnum = Grid_yNum+2*Grid_yBnum
var yidx = max(0, min(yrnum-1, ypos))
var zcw = Grid_zWidth/Grid_zNum
var zro = Grid_zOrigin-Grid_zBnum*zcw
var zpos = int(floor((pos[2]-zro)/zcw))
var zrnum = Grid_zNum+2*Grid_zBnum
var zidx = max(0, min(zrnum-1, zpos))
return int3d{xidx, yidx, zidx}
end
__demand(__inline)
task TrilinearInterpolateVelocity(xyz : double[3],
c000 : double[3],
c100 : double[3],
c010 : double[3],
c110 : double[3],
c001 : double[3],
c101 : double[3],
c011 : double[3],
c111 : double[3],
Grid_xCellWidth : double, Grid_xRealOrigin : double,
Grid_yCellWidth : double, Grid_yRealOrigin : double,
Grid_zCellWidth : double, Grid_zRealOrigin : double)
var dX = fmod((((xyz[0]-Grid_xRealOrigin)/Grid_xCellWidth)+0.5), 1.0)
var dY = fmod((((xyz[1]-Grid_yRealOrigin)/Grid_yCellWidth)+0.5), 1.0)
var dZ = fmod((((xyz[2]-Grid_zRealOrigin)/Grid_zCellWidth)+0.5), 1.0)
var oneMinusdX = (1.0-dX)
var oneMinusdY = (1.0-dY)
var oneMinusdZ = (1.0-dZ)
var weight00 = vv_add(vs_mul(c000, oneMinusdX), vs_mul(c100, dX))
var weight10 = vv_add(vs_mul(c010, oneMinusdX), vs_mul(c110, dX))
var weight01 = vv_add(vs_mul(c001, oneMinusdX), vs_mul(c101, dX))
var weight11 = vv_add(vs_mul(c011, oneMinusdX), vs_mul(c111, dX))
var weight0 = vv_add(vs_mul(weight00, oneMinusdY), vs_mul(weight10, dY))
var weight1 = vv_add(vs_mul(weight01, oneMinusdY), vs_mul(weight11, dY))
return vv_add(vs_mul(weight0, oneMinusdZ), vs_mul(weight1, dZ))
end
__demand(__inline)
task InterpolateTriVelocity(c : int3d,
xyz : double[3],
Fluid : region(ispace(int3d), Fluid_columns),
Grid_xCellWidth : double, Grid_xRealOrigin : double,
Grid_yCellWidth : double, Grid_yRealOrigin : double,
Grid_zCellWidth : double, Grid_zRealOrigin : double)
where
reads(Fluid.{centerCoordinates, velocity})
do
var i000 = Fluid[c].velocity
var i001 = Fluid[((c+{ 0, 0, 1})%Fluid.bounds)].velocity
var i00_ = Fluid[((c+{ 0, 0,-1})%Fluid.bounds)].velocity
var i010 = Fluid[((c+{ 0, 1, 0})%Fluid.bounds)].velocity
var i011 = Fluid[((c+{ 0, 1, 1})%Fluid.bounds)].velocity
var i01_ = Fluid[((c+{ 0, 1,-1})%Fluid.bounds)].velocity
var i0_0 = Fluid[((c+{ 0,-1, 0})%Fluid.bounds)].velocity
var i0_1 = Fluid[((c+{ 0,-1, 1})%Fluid.bounds)].velocity
var i0__ = Fluid[((c+{ 0,-1,-1})%Fluid.bounds)].velocity
var i100 = Fluid[((c+{ 1, 0, 0})%Fluid.bounds)].velocity
var i101 = Fluid[((c+{ 1, 0, 1})%Fluid.bounds)].velocity
var i10_ = Fluid[((c+{ 1, 0,-1})%Fluid.bounds)].velocity
var i110 = Fluid[((c+{ 1, 1, 0})%Fluid.bounds)].velocity
var i111 = Fluid[((c+{ 1, 1, 1})%Fluid.bounds)].velocity
var i11_ = Fluid[((c+{ 1, 1,-1})%Fluid.bounds)].velocity
var i1_0 = Fluid[((c+{ 1,-1, 0})%Fluid.bounds)].velocity
var i1_1 = Fluid[((c+{ 1,-1, 1})%Fluid.bounds)].velocity
var i1__ = Fluid[((c+{ 1,-1,-1})%Fluid.bounds)].velocity
var i_00 = Fluid[((c+{-1, 0, 0})%Fluid.bounds)].velocity
var i_01 = Fluid[((c+{-1, 0, 1})%Fluid.bounds)].velocity
var i_0_ = Fluid[((c+{-1, 0,-1})%Fluid.bounds)].velocity
var i_10 = Fluid[((c+{-1, 1, 0})%Fluid.bounds)].velocity
var i_11 = Fluid[((c+{-1, 1, 1})%Fluid.bounds)].velocity
var i_1_ = Fluid[((c+{-1, 1,-1})%Fluid.bounds)].velocity
var i__0 = Fluid[((c+{-1,-1, 0})%Fluid.bounds)].velocity
var i__1 = Fluid[((c+{-1,-1, 1})%Fluid.bounds)].velocity
var i___ = Fluid[((c+{-1,-1,-1})%Fluid.bounds)].velocity
var v000 = array(0.0, 0.0, 0.0)
var v001 = array(0.0, 0.0, 0.0)
var v010 = array(0.0, 0.0, 0.0)
var v011 = array(0.0, 0.0, 0.0)
var v100 = array(0.0, 0.0, 0.0)
var v101 = array(0.0, 0.0, 0.0)
var v110 = array(0.0, 0.0, 0.0)
var v111 = array(0.0, 0.0, 0.0)
if (xyz[0]>Fluid[c].centerCoordinates[0]) then
if (xyz[1]>Fluid[c].centerCoordinates[1]) then
if (xyz[2]>Fluid[c].centerCoordinates[2]) then
v000 = i000
v001 = i001
v010 = i010
v011 = i011
v100 = i100
v101 = i101
v110 = i110
v111 = i111
else
v000 = i00_
v001 = i000
v010 = i01_
v011 = i010
v100 = i10_
v101 = i100
v110 = i11_
v111 = i110
end
else
if (xyz[2]>Fluid[c].centerCoordinates[2]) then
v000 = i0_0
v001 = i0_1
v010 = i000
v011 = i001
v100 = i1_0
v101 = i1_1
v110 = i100
v111 = i101
else
v000 = i0__
v001 = i0_0
v010 = i00_
v011 = i000
v100 = i1__
v101 = i1_0
v110 = i10_
v111 = i100
end
end
else
if (xyz[1]>Fluid[c].centerCoordinates[1]) then
if (xyz[2]>Fluid[c].centerCoordinates[2]) then
v000 = i_00
v001 = i_01
v010 = i_10
v011 = i_11
v100 = i000
v101 = i001
v110 = i010
v111 = i011
else
v000 = i_0_
v001 = i_00
v010 = i_1_
v011 = i_10
v100 = i00_
v101 = i000
v110 = i01_
v111 = i010
end
else
if (xyz[2]>Fluid[c].centerCoordinates[2]) then
v000 = i__0
v001 = i__1
v010 = i_00
v011 = i_01
v100 = i0_0
v101 = i0_1
v110 = i000
v111 = i001
else
v000 = i___
v001 = i__0
v010 = i_0_
v011 = i_00
v100 = i0__
v101 = i0_0
v110 = i00_
v111 = i000
end
end
end
return TrilinearInterpolateVelocity(xyz, v000, v100, v010, v110, v001, v101, v011, v111, Grid_xCellWidth, Grid_xRealOrigin, Grid_yCellWidth, Grid_yRealOrigin, Grid_zCellWidth, Grid_zRealOrigin)
end
__demand(__inline)
task TrilinearInterpolateTemp(xyz : double[3],
c000 : double,
c100 : double,
c010 : double,
c110 : double,
c001 : double,
c101 : double,
c011 : double,
c111 : double,
Grid_xCellWidth : double, Grid_xRealOrigin : double,
Grid_yCellWidth : double, Grid_yRealOrigin : double,
Grid_zCellWidth : double, Grid_zRealOrigin : double)
var dX = fmod((((xyz[0]-Grid_xRealOrigin)/Grid_xCellWidth)+0.5), 1.0)
var dY = fmod((((xyz[1]-Grid_yRealOrigin)/Grid_yCellWidth)+0.5), 1.0)
var dZ = fmod((((xyz[2]-Grid_zRealOrigin)/Grid_zCellWidth)+0.5), 1.0)
var oneMinusdX = (1.0-dX)
var oneMinusdY = (1.0-dY)
var oneMinusdZ = (1.0-dZ)
var weight00 = ((c000*oneMinusdX)+(c100*dX))
var weight10 = ((c010*oneMinusdX)+(c110*dX))
var weight01 = ((c001*oneMinusdX)+(c101*dX))
var weight11 = ((c011*oneMinusdX)+(c111*dX))
var weight0 = ((weight00*oneMinusdY)+(weight10*dY))
var weight1 = ((weight01*oneMinusdY)+(weight11*dY))
return ((weight0*oneMinusdZ)+(weight1*dZ))
end
__demand(__inline)
task InterpolateTriTemp(c : int3d,
xyz : double[3],
Fluid : region(ispace(int3d), Fluid_columns),
Grid_xCellWidth : double, Grid_xRealOrigin : double,
Grid_yCellWidth : double, Grid_yRealOrigin : double,
Grid_zCellWidth : double, Grid_zRealOrigin : double)
where
reads(Fluid.{centerCoordinates, temperature})
do
var i000 = Fluid[c].temperature
var i001 = Fluid[((c+{ 0, 0, 1})%Fluid.bounds)].temperature
var i00_ = Fluid[((c+{ 0, 0,-1})%Fluid.bounds)].temperature
var i010 = Fluid[((c+{ 0, 1, 0})%Fluid.bounds)].temperature
var i011 = Fluid[((c+{ 0, 1, 1})%Fluid.bounds)].temperature
var i01_ = Fluid[((c+{ 0, 1,-1})%Fluid.bounds)].temperature
var i0_0 = Fluid[((c+{ 0,-1, 0})%Fluid.bounds)].temperature
var i0_1 = Fluid[((c+{ 0,-1, 1})%Fluid.bounds)].temperature
var i0__ = Fluid[((c+{ 0,-1,-1})%Fluid.bounds)].temperature
var i100 = Fluid[((c+{ 1, 0, 0})%Fluid.bounds)].temperature
var i101 = Fluid[((c+{ 1, 0, 1})%Fluid.bounds)].temperature
var i10_ = Fluid[((c+{ 1, 0,-1})%Fluid.bounds)].temperature
var i110 = Fluid[((c+{ 1, 1, 0})%Fluid.bounds)].temperature
var i111 = Fluid[((c+{ 1, 1, 1})%Fluid.bounds)].temperature
var i11_ = Fluid[((c+{ 1, 1,-1})%Fluid.bounds)].temperature
var i1_0 = Fluid[((c+{ 1,-1, 0})%Fluid.bounds)].temperature
var i1_1 = Fluid[((c+{ 1,-1, 1})%Fluid.bounds)].temperature
var i1__ = Fluid[((c+{ 1,-1,-1})%Fluid.bounds)].temperature
var i_00 = Fluid[((c+{-1, 0, 0})%Fluid.bounds)].temperature
var i_01 = Fluid[((c+{-1, 0, 1})%Fluid.bounds)].temperature
var i_0_ = Fluid[((c+{-1, 0,-1})%Fluid.bounds)].temperature
var i_10 = Fluid[((c+{-1, 1, 0})%Fluid.bounds)].temperature
var i_11 = Fluid[((c+{-1, 1, 1})%Fluid.bounds)].temperature
var i_1_ = Fluid[((c+{-1, 1,-1})%Fluid.bounds)].temperature
var i__0 = Fluid[((c+{-1,-1, 0})%Fluid.bounds)].temperature
var i__1 = Fluid[((c+{-1,-1, 1})%Fluid.bounds)].temperature
var i___ = Fluid[((c+{-1,-1,-1})%Fluid.bounds)].temperature
var v000 = 0.0
var v001 = 0.0
var v010 = 0.0
var v011 = 0.0
var v100 = 0.0
var v101 = 0.0
var v110 = 0.0
var v111 = 0.0
if (xyz[0]>Fluid[c].centerCoordinates[0]) then
if (xyz[1]>Fluid[c].centerCoordinates[1]) then
if (xyz[2]>Fluid[c].centerCoordinates[2]) then
v000 = i000
v001 = i001
v010 = i010
v011 = i011
v100 = i100
v101 = i101
v110 = i110
v111 = i111
else
v000 = i00_
v001 = i000
v010 = i01_
v011 = i010
v100 = i10_
v101 = i100
v110 = i11_
v111 = i110
end
else
if (xyz[2]>Fluid[c].centerCoordinates[2]) then
v000 = i0_0
v001 = i0_1
v010 = i000
v011 = i001
v100 = i1_0
v101 = i1_1
v110 = i100
v111 = i101
else
v000 = i0__
v001 = i0_0
v010 = i00_
v011 = i000
v100 = i1__
v101 = i1_0
v110 = i10_
v111 = i100
end
end
else
if (xyz[1]>Fluid[c].centerCoordinates[1]) then
if (xyz[2]>Fluid[c].centerCoordinates[2]) then
v000 = i_00
v001 = i_01
v010 = i_10
v011 = i_11
v100 = i000
v101 = i001
v110 = i010
v111 = i011
else
v000 = i_0_
v001 = i_00
v010 = i_1_
v011 = i_10
v100 = i00_
v101 = i000
v110 = i01_
v111 = i010
end
else
if (xyz[2]>Fluid[c].centerCoordinates[2]) then
v000 = i__0
v001 = i__1
v010 = i_00
v011 = i_01
v100 = i0_0
v101 = i0_1
v110 = i000
v111 = i001
else
v000 = i___
v001 = i__0
v010 = i_0_
v011 = i_00
v100 = i0__
v101 = i0_0
v110 = i00_
v111 = i000
end
end
end
return TrilinearInterpolateTemp(xyz, v000, v100, v010, v110, v001, v101, v011, v111, Grid_xCellWidth, Grid_xRealOrigin, Grid_yCellWidth, Grid_yRealOrigin, Grid_zCellWidth, Grid_zRealOrigin)
end
__demand(__inline)
task GetDynamicViscosity(temperature : double,
Flow_constantVisc : double,
Flow_powerlawTempRef : double, Flow_powerlawViscRef : double,
Flow_sutherlandSRef : double, Flow_sutherlandTempRef : double, Flow_sutherlandViscRef : double,
Flow_viscosityModel : SCHEMA.ViscosityModel)
var viscosity = 0.0
if Flow_viscosityModel == SCHEMA.ViscosityModel_Constant then
viscosity = Flow_constantVisc
elseif Flow_viscosityModel == SCHEMA.ViscosityModel_PowerLaw then
viscosity = Flow_powerlawViscRef*pow(temperature/Flow_powerlawTempRef, 0.75)
else -- Flow_viscosityModel == SCHEMA.ViscosityModel_Sutherland
viscosity =
Flow_sutherlandViscRef
* pow(temperature/Flow_sutherlandTempRef, 1.5)
* (Flow_sutherlandTempRef + Flow_sutherlandSRef)
/ (temperature + Flow_sutherlandSRef)
end
return viscosity
end
-- XXX: This task needs the parallelizer ghost regions to do the interpolation,
-- but the parallelizer can't handle this task currently (even if we move the
-- RNG to a separate task). Therefore, at this point this task will only work
-- on a single tile.
__demand(__leaf) -- MANUALLY PARALLELIZED, NO CUDA, NO OPENMP
task Particles_InitializeRandom(color : int3d,
Particles : region(ispace(int1d), Particles_columns),
Fluid : region(ispace(int3d), Fluid_columns),
config : Config,
Grid_xBnum : int, Grid_yBnum : int, Grid_zBnum : int)
where
reads(Fluid.{centerCoordinates, velocity}),
writes(Particles.{__valid, cell, position, velocity, density, temperature, diameter})
do
-- Grid geometry
var Grid_xNum = config.Grid.xNum
var Grid_yNum = config.Grid.yNum
var Grid_zNum = config.Grid.zNum
var Grid_xWidth = config.Grid.xWidth
var Grid_yWidth = config.Grid.yWidth
var Grid_zWidth = config.Grid.zWidth
var Grid_xOrigin = config.Grid.origin[0]
var Grid_yOrigin = config.Grid.origin[1]
var Grid_zOrigin = config.Grid.origin[2]
var Grid_xCellWidth = Grid_xWidth / Grid_xNum
var Grid_yCellWidth = Grid_yWidth / Grid_yNum
var Grid_zCellWidth = Grid_zWidth / Grid_zNum
var Grid_xRealOrigin = Grid_xOrigin - Grid_xCellWidth * Grid_xBnum
var Grid_yRealOrigin = Grid_yOrigin - Grid_yCellWidth * Grid_yBnum
var Grid_zRealOrigin = Grid_zOrigin - Grid_zCellWidth * Grid_zBnum
-- Tile geometry
var Tile_xWidth = Grid_xWidth / config.Mapping.tiles[0]
var Tile_yWidth = Grid_yWidth / config.Mapping.tiles[1]
var Tile_zWidth = Grid_zWidth / config.Mapping.tiles[2]
var Tile_xOrigin = Grid_xOrigin + color.x * Tile_xWidth
var Tile_yOrigin = Grid_yOrigin + color.y * Tile_yWidth
var Tile_zOrigin = Grid_zOrigin + color.z * Tile_zWidth
-- Particle values
var pBase = Particles.bounds.lo
var numTiles = config.Mapping.tiles[0]*config.Mapping.tiles[1]*config.Mapping.tiles[2]
var particlesPerTile = config.Particles.initNum / config.Particles.parcelSize / numTiles
var Particles_density = config.Particles.density
var Particles_initTemperature = config.Particles.initTemperature
var Particles_diameterMean = config.Particles.diameterMean
-- RNG state
var rngState : C.drand48_data
C.srand48_r(C.legion_get_current_time_in_nanos(), &rngState)
-- Fill loop
for p in Particles do
var relIdx = int64(p - pBase)
if relIdx < particlesPerTile then
-- Pick a random position within the current tile, ignoring boundary cells
var rx = 0.0; repeat rx = drand48_r(&rngState) until rx ~= 0.0
var ry = 0.0; repeat ry = drand48_r(&rngState) until ry ~= 0.0
var rz = 0.0; repeat rz = drand48_r(&rngState) until rz ~= 0.0
var pos = array( Tile_xOrigin + Tile_xWidth * rx,
Tile_yOrigin + Tile_yWidth * ry,
Tile_zOrigin + Tile_zWidth * rz )
var c = locate(pos,
Grid_xBnum, Grid_xNum, Grid_xOrigin, Grid_xWidth,
Grid_yBnum, Grid_yNum, Grid_yOrigin, Grid_yWidth,
Grid_zBnum, Grid_zNum, Grid_zOrigin, Grid_zWidth)
var flowVelocity = InterpolateTriVelocity(c,
pos,
Fluid,
Grid_xCellWidth, Grid_xRealOrigin,
Grid_yCellWidth, Grid_yRealOrigin,
Grid_zCellWidth, Grid_zRealOrigin)
Particles[p].__valid = true
Particles[p].cell = c
Particles[p].position = pos
Particles[p].velocity = flowVelocity
Particles[p].density = Particles_density
Particles[p].temperature = Particles_initTemperature
Particles[p].diameter = Particles_diameterMean
end
end
end
__demand(__leaf, __cuda) -- MANUALLY PARALLELIZED
task Particles_InitializeUniform(Particles : region(ispace(int1d), Particles_columns),
Fluid : region(ispace(int3d), Fluid_columns),
config : Config,
Grid_xBnum : int32, Grid_yBnum : int32, Grid_zBnum : int32)
where
reads(Fluid.{centerCoordinates, velocity}),
writes(Particles.{__valid, cell, position, velocity, density, temperature, diameter})
do
var pBase = Particles.bounds.lo
var lo = Fluid.bounds.lo
lo.x = max(lo.x, Grid_xBnum)
lo.y = max(lo.y, Grid_yBnum)
lo.z = max(lo.z, Grid_zBnum)
var hi = Fluid.bounds.hi
hi.x = min(hi.x, config.Grid.xNum+Grid_xBnum-1)
hi.y = min(hi.y, config.Grid.yNum+Grid_yBnum-1)
hi.z = min(hi.z, config.Grid.zNum+Grid_zBnum-1)
var xSize = hi.x-lo.x+1
var ySize = hi.y-lo.y+1
var zSize = hi.z-lo.z+1
var numTiles = config.Mapping.tiles[0]*config.Mapping.tiles[1]*config.Mapping.tiles[2]
var particlesPerTile = config.Particles.initNum / config.Particles.parcelSize / numTiles
var Particles_density = config.Particles.density
var Particles_initTemperature = config.Particles.initTemperature
var Particles_diameterMean = config.Particles.diameterMean
__demand(__openmp)
for p in Particles do
var relIdx = int64(p - pBase)
if relIdx < particlesPerTile then
Particles[p].__valid = true
var c = lo + int3d{relIdx%xSize, relIdx/xSize%ySize, relIdx/xSize/ySize%zSize}
Particles[p].cell = c
Particles[p].position = Fluid[c].centerCoordinates
Particles[p].velocity = Fluid[c].velocity
Particles[p].density = Particles_density