Merge branch 'sanguinariojoe-ship' of ssh://free-cad.git.sourceforge.net/gitroot/free-cad/free-cad into sanguinariojoe-ship

This commit is contained in:
Jose Luis Cercós Pita 2012-07-31 18:38:34 +02:00
commit 219e76f6ed
11 changed files with 284 additions and 476 deletions

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@ -145,9 +145,11 @@ SET(SimRun_SRCS
simRun/Simulation.py simRun/Simulation.py
simRun/TaskPanel.py simRun/TaskPanel.py
simRun/TaskPanel.ui simRun/TaskPanel.ui
simRun/clSim/__init__.py
simRun/clSim/initialization.py
simRun/clSim/Utils.py
simRun/Sim/__init__.py simRun/Sim/__init__.py
simRun/Sim/initialization.py simRun/Sim/initialization.py
simRun/Sim/Utils.py
) )
SOURCE_GROUP("simrun" FILES ${SimRun_SRCS}) SOURCE_GROUP("simrun" FILES ${SimRun_SRCS})

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@ -98,10 +98,11 @@ nobase_data_DATA = \
simRun/Simulation.py \ simRun/Simulation.py \
simRun/TaskPanel.py \ simRun/TaskPanel.py \
simRun/TaskPanel.ui \ simRun/TaskPanel.ui \
simRun/clSim/__init__.py \
simRun/clSim/initialization.py \
simRun/clSim/Utils.py \
simRun/Sim/__init__.py \ simRun/Sim/__init__.py \
simRun/Sim/initialization.py simRun/Sim/initialization.py
simRun/Sim/Utils.py
CLEANFILES = $(BUILT_SOURCES) CLEANFILES = $(BUILT_SOURCES)

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@ -1,58 +0,0 @@
#***************************************************************************
#* *
#* Copyright (c) 2011, 2012 *
#* Jose Luis Cercos Pita <jlcercos@gmail.com> *
#* *
#* This program is free software; you can redistribute it and/or modify *
#* it under the terms of the GNU Lesser General Public License (LGPL) *
#* as published by the Free Software Foundation; either version 2 of *
#* the License, or (at your option) any later version. *
#* for detail see the LICENCE text file. *
#* *
#* This program is distributed in the hope that it will be useful, *
#* but WITHOUT ANY WARRANTY; without even the implied warranty of *
#* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
#* GNU Library General Public License for more details. *
#* *
#* You should have received a copy of the GNU Library General Public *
#* License along with this program; if not, write to the Free Software *
#* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
#* USA *
#* *
#***************************************************************************
# FreeCAD
from shipUtils import Paths
# pyOpenCL
import pyopencl as cl
import numpy as np
# Standard
import math
def loadProgram(context, file):
""" Loads a file and comnpile it.
@param context OpenCL context where apply.
@param file File to load and compile.
@return Ready to use OpenCL program.
"""
f = open(file, 'r')
str = "".join(f.readlines())
print(str)
return cl.Program(context, str).build()
def clPath():
""" Gets the OpenCL kernels path
@return OpenCL kernels path
"""
path = Paths.modulePath() + "/OpenCL"
return path
def globalSize(n):
""" Compute global size from amount of data.
@param n Amount of data.
@return global size.
"""
localSize = 256.0
return int(math.ceil(n/localSize)*localSize)

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@ -21,4 +21,4 @@
#* * #* *
#*************************************************************************** #***************************************************************************
import initialization, Utils import initialization

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@ -21,65 +21,62 @@
#* * #* *
#*************************************************************************** #***************************************************************************
# Simulation stuff # numpy
from Utils import *
# pyOpenCL
import pyopencl as cl
import numpy as np import numpy as np
grav=9.81
class perform: class perform:
def __init__(self, context, queue, FSmesh, waves): def __init__(self, FSmesh, waves, context=None, queue=None):
""" Constructor, includes program loading. """ Constructor, includes program loading.
@param context OpenCL context where apply.
@param queue OpenCL command queue.
@param FSmesh Initial free surface mesh. @param FSmesh Initial free surface mesh.
@param waves Considered simulation waves (A,T,phi,heading). @param waves Considered simulation waves (A,T,phi,heading).
@param context OpenCL context where apply. Only for compatibility,
must be None.
@param queue OpenCL command queue. Only for compatibility,
must be None.
""" """
self.context = context self.context = context
self.queue = queue self.queue = queue
self.program = loadProgram(context, clPath() + "/simInit.cl")
self.loadData(FSmesh, waves) self.loadData(FSmesh, waves)
self.execute() self.execute()
def loadData(self, FSmesh, waves): def loadData(self, FSmesh, waves):
""" Convert data to numpy format, and create OpenCL """ Convert data to numpy format.
buffers.
@param FSmesh Initial free surface mesh. @param FSmesh Initial free surface mesh.
@param waves Considered simulation waves (A,T,phi,heading). @param waves Considered simulation waves (A,T,phi,heading).
""" """
mf = cl.mem_flags
nx = len(FSmesh) nx = len(FSmesh)
ny = len(FSmesh[0]) ny = len(FSmesh[0])
nW = len(waves) nW = len(waves)
# Mesh data # Mesh data
p = np.ndarray((nx*ny, 4), dtype=np.float32) p = np.ndarray((nx,ny, 3), dtype=np.float32)
n = np.ndarray((nx*ny, 4), dtype=np.float32) v = np.ndarray((nx,ny, 3), dtype=np.float32)
a = np.ndarray((nx*ny, 1), dtype=np.float32) f = np.ndarray((nx,ny, 3), dtype=np.float32)
n = np.ndarray((nx,ny, 3), dtype=np.float32)
a = np.ndarray((nx,ny, 1), dtype=np.float32)
phi = np.ndarray((nx,ny, 1), dtype=np.float32)
Phi = np.ndarray((nx,ny, 1), dtype=np.float32)
for i in range(0, nx): for i in range(0, nx):
for j in range(0, ny): for j in range(0, ny):
id = i*ny + j
pos = FSmesh[i][j].pos pos = FSmesh[i][j].pos
normal = FSmesh[i][j].normal normal = FSmesh[i][j].normal
area = FSmesh[i][j].area area = FSmesh[i][j].area
p[id,0] = pos.x p[i,j,0] = pos.x
p[id,1] = pos.y p[i,j,1] = pos.y
p[id,2] = pos.z p[i,j,2] = pos.z
p[id,3] = 1. v[i,j,0] = 0.
n[id,0] = normal.x v[i,j,1] = 0.
n[id,1] = normal.y v[i,j,2] = 0.
n[id,2] = normal.z f[i,j,0] = 0.
n[id,3] = 0. f[i,j,1] = 0.
a[id,0] = area f[i,j,2] = 0.
p_cl = cl.Buffer(self.context, mf.READ_WRITE | mf.COPY_HOST_PTR, hostbuf=p) n[i,j,0] = normal.x
n_cl = cl.Buffer(self.context, mf.READ_WRITE | mf.COPY_HOST_PTR, hostbuf=n) n[i,j,1] = normal.y
a_cl = cl.Buffer(self.context, mf.READ_WRITE | mf.COPY_HOST_PTR, hostbuf=a) n[i,j,2] = normal.z
v_cl = cl.Buffer(self.context, mf.READ_WRITE, size = nx*ny*4 * np.dtype('float32').itemsize) a[i,j] = area
f_cl = cl.Buffer(self.context, mf.READ_WRITE, size = nx*ny*4 * np.dtype('float32').itemsize) self.fs = {'Nx':nx, 'Ny':ny, 'pos':p, 'vel':v, 'acc':f, \
phi = cl.Buffer(self.context, mf.READ_WRITE, size = nx*ny * np.dtype('float32').itemsize) 'normal':n, 'area':a, 'velPot':phi, 'accPot':Phi}
Phi = cl.Buffer(self.context, mf.READ_WRITE, size = nx*ny * np.dtype('float32').itemsize)
self.fs = {'Nx':nx, 'Ny':ny, 'pos':p_cl, 'vel':v_cl, 'acc':f_cl, \
'normal':n_cl, 'area':a_cl, 'velPot':phi, 'accPot':Phi}
# Waves data # Waves data
w = np.ndarray((nW, 4), dtype=np.float32) w = np.ndarray((nW, 4), dtype=np.float32)
for i in range(0,nW): for i in range(0,nW):
@ -87,27 +84,31 @@ class perform:
w[i,1] = waves[i][1] w[i,1] = waves[i][1]
w[i,2] = waves[i][2] w[i,2] = waves[i][2]
w[i,3] = waves[i][3] w[i,3] = waves[i][3]
w_cl = cl.Buffer(self.context, mf.READ_WRITE | mf.COPY_HOST_PTR, hostbuf=w) self.waves = {'N':nW, 'data':w}
self.waves = {'N':nW, 'data':w_cl}
# Ensure that all data has been written
self.queue.finish()
def execute(self): def execute(self):
""" Compute initial conditions. """ """ Compute initial conditions. """
# Global size computation nx = self.fs['Nx']
N = np.ndarray((2, 1), dtype=np.uint32) ny = self.fs['Ny']
N[0] = self.fs['Nx'] for i in range(0,nx):
N[1] = self.fs['Ny'] for j in range(0,ny):
n = np.uint32(self.waves['N']) for w in self.waves['data']:
gSize = (globalSize(N[0]),globalSize(N[1]),) A = w[0]
# Kernel arguments T = w[1]
kernelargs = (self.fs['pos'], phase = w[2]
self.fs['vel'], heading = np.pi*w[3]/180.0
self.fs['acc'], wl = 0.5 * grav / np.pi * T*T
self.waves['data'], k = 2.0*np.pi/wl
self.fs['velPot'], frec = 2.0*np.pi/T
self.fs['accPot'], pos = self.fs['pos'][i,j]
N, n) l = pos[0]*np.cos(heading) + pos[1]*np.sin(heading)
# Kernel launch amp = A*np.sin(k*l + phase)
self.program.FS(self.queue, gSize, None, *(kernelargs)) self.fs['pos'][i,j][2] = self.fs['pos'][i,j][2] + amp
self.queue.finish() amp = frec*A*np.cos(k*l + phase)
self.fs['vel'][i,j][2] = self.fs['vel'][i,j][2] - amp
amp = frec*frec*A*np.sin(k*l + phase)
self.fs['acc'][i,j][2] = self.fs['acc'][i,j][2] - amp
amp = grav/frec*A*np.sin(k*l + phase)
self.fs['velPot'][i,j] = self.fs['velPot'][i,j] + amp
amp = grav*A*np.cos(k*l + phase)
self.fs['accPot'][i,j] = self.fs['accPot'][i,j] + amp

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@ -34,9 +34,6 @@ import FreeCAD,FreeCADGui
from FreeCAD import Base, Vector from FreeCAD import Base, Vector
import Part import Part
# Simulation stuff
from Sim import initialization
# Ship design module # Ship design module
from shipUtils import Paths, Translator, Math from shipUtils import Paths, Translator, Math
@ -65,6 +62,10 @@ class FreeCADShipSimulation(threading.Thread):
self.active = False self.active = False
# Build OpenCL context and command queue # Build OpenCL context and command queue
self.device = device self.device = device
if self.device == None: # Can't use OpenCL
self.context = None
self.queue = None
else:
self.context = cl.Context(devices=[self.device]) self.context = cl.Context(devices=[self.device])
self.queue = cl.CommandQueue(self.context) self.queue = cl.CommandQueue(self.context)
# Storage data # Storage data
@ -77,10 +78,14 @@ class FreeCADShipSimulation(threading.Thread):
""" Runs the simulation. """ Runs the simulation.
""" """
self.active = True self.active = True
# Perform work here # Simulation stuff
if self.device == None:
from Sim import initialization
else:
from clSim import initialization
msg = Translator.translate("\t[Sim]: Initializating OpenCL...\n") msg = Translator.translate("\t[Sim]: Initializating OpenCL...\n")
FreeCAD.Console.PrintMessage(msg) FreeCAD.Console.PrintMessage(msg)
init = initialization.perform(self.context,self.queue,self.FSmesh,self.waves) init = initialization.perform(self.FSmesh,self.waves,self.context,self.queue)
msg = Translator.translate("\t[Sim]: Iterating (outputs will be noticed)...\n") msg = Translator.translate("\t[Sim]: Iterating (outputs will be noticed)...\n")
FreeCAD.Console.PrintMessage(msg) FreeCAD.Console.PrintMessage(msg)
while self.active: while self.active:

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@ -1,107 +0,0 @@
#***************************************************************************
#* *
#* Copyright (c) 2011, 2012 *
#* Jose Luis Cercos Pita <jlcercos@gmail.com> *
#* *
#* This program is free software; you can redistribute it and/or modify *
#* it under the terms of the GNU Lesser General Public License (LGPL) *
#* as published by the Free Software Foundation; either version 2 of *
#* the License, or (at your option) any later version. *
#* for detail see the LICENCE text file. *
#* *
#* This program is distributed in the hope that it will be useful, *
#* but WITHOUT ANY WARRANTY; without even the implied warranty of *
#* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
#* GNU Library General Public License for more details. *
#* *
#* You should have received a copy of the GNU Library General Public *
#* License along with this program; if not, write to the Free Software *
#* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
#* USA *
#* *
#***************************************************************************
import time
from math import *
import threading
# pyOpenCL
import pyopencl as cl
import numpy as np
# FreeCAD
import FreeCAD,FreeCADGui
from FreeCAD import Base, Vector
import Part
# Simulation stuff
from Sim import initialization
# Ship design module
from shipUtils import Paths, Translator, Math
class Singleton(type):
def __init__(cls, name, bases, dct):
cls.__instance = None
type.__init__(cls, name, bases, dct)
def __call__(cls, *args, **kw):
if cls.__instance is None:
cls.__instance = type.__call__(cls, *args,**kw)
return cls.__instance
class FreeCADShipSimulation(threading.Thread):
__metaclass__ = Singleton
def __init__ (self, device, endTime, output, FSmesh, waves):
""" Thread constructor.
@param device Device to use.
@param endTime Maximum simulation time.
@param output [Rate,Type] Output rate, Type=0 if FPS, 1 if IPF.
@param FSmesh Free surface mesh faces.
@param waves Waves parameters (A,T,phi,heading)
"""
threading.Thread.__init__(self)
# Setup as stopped
self.active = False
# Build OpenCL context and command queue
self.device = device
self.context = cl.Context(devices=[self.device])
self.queue = cl.CommandQueue(self.context)
# Storage data
self.endTime = endTime
self.output = output
self.FSmesh = FSmesh
self.waves = waves
def run(self):
""" Runs the simulation.
"""
self.active = True
# Perform work here
msg = Translator.translate("\t[Sim]: Initializating OpenCL...\n")
FreeCAD.Console.PrintMessage(msg)
init = initialization.perform(self.context,self.queue,self.FSmesh,self.waves)
msg = Translator.translate("\t[Sim]: Iterating (outputs will be noticed)...\n")
FreeCAD.Console.PrintMessage(msg)
while self.active:
print("Im thread, Im running...")
time.sleep(1)
# ...
print("Im thread, step done!")
msg = Translator.translate("\t[Sim]: Output performed!\n")
FreeCAD.Console.PrintMessage(msg)
# Set thread as stopped (and prepare it to restarting)
self.active = False
threading.Event().set()
threading.Thread.__init__(self)
def stop(self):
""" Call to stop execution.
"""
self.active = False
def isRunning(self):
""" Report thread state
@return True if thread is running, False otherwise.
"""
return self.active

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@ -48,8 +48,9 @@ class TaskPanel:
output = [] output = []
output.append(self.form.output.value()) output.append(self.form.output.value())
output.append(self.form.outputType.currentIndex()) output.append(self.form.outputType.currentIndex())
devId = self.form.device.currentIndex() devId = self.form.device.currentIndex() - 1 # First is not OpenCL
# Get OpenCL device # Get OpenCL device
device = None
count = 0 count = 0
platforms = cl.get_platforms() platforms = cl.get_platforms()
for p in platforms: for p in platforms:
@ -154,6 +155,7 @@ class TaskPanel:
App.Console.PrintError(msg) App.Console.PrintError(msg)
return True return True
# Get the list of devices # Get the list of devices
self.form.device.addItem("CPU based version (No OpenCL)")
devices = [] devices = []
platforms = cl.get_platforms() platforms = cl.get_platforms()
for p in platforms: for p in platforms:
@ -164,9 +166,8 @@ class TaskPanel:
pname = p.get_info(cl.platform_info.NAME) pname = p.get_info(cl.platform_info.NAME)
self.form.device.addItem(dname + " (" + pname + ")") self.form.device.addItem(dname + " (" + pname + ")")
if not len(devices): if not len(devices):
msg = Translator.translate("This tool requires an active OpenCL context to work\n") msg = Translator.translate("Can't find OpenCL devices\n")
App.Console.PrintError(msg) App.Console.PrintWarning(msg)
return True
msg = Translator.translate("Ready to work\n") msg = Translator.translate("Ready to work\n")
App.Console.PrintMessage(msg) App.Console.PrintMessage(msg)
return False return False

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@ -21,37 +21,4 @@
#* * #* *
#*************************************************************************** #***************************************************************************
# FreeCAD import initialization, Utils
from shipUtils import Paths
# pyOpenCL
import pyopencl as cl
import numpy as np
# Standard
import math
def loadProgram(context, file):
""" Loads a file and comnpile it.
@param context OpenCL context where apply.
@param file File to load and compile.
@return Ready to use OpenCL program.
"""
f = open(file, 'r')
str = "".join(f.readlines())
return cl.Program(context, str).build()
def clPath():
""" Gets the OpenCL kernels path
@return OpenCL kernels path
"""
path = Paths.modulePath() + "/OpenCL"
return path
def globalSize(n):
""" Compute global size from amount of data.
@param n Amount of data.
@return global size.
"""
localSize = 256
return int(math.ceil(n/localSize))

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@ -29,12 +29,12 @@ import pyopencl as cl
import numpy as np import numpy as np
class perform: class perform:
def __init__(self, context, queue, FSmesh, waves): def __init__(self, FSmesh, waves, context, queue):
""" Constructor, includes program loading. """ Constructor, includes program loading.
@param context OpenCL context where apply.
@param queue OpenCL command queue.
@param FSmesh Initial free surface mesh. @param FSmesh Initial free surface mesh.
@param waves Considered simulation waves (A,T,phi,heading). @param waves Considered simulation waves (A,T,phi,heading).
@param context OpenCL context where apply.
@param queue OpenCL command queue.
""" """
self.context = context self.context = context
self.queue = queue self.queue = queue
@ -100,7 +100,6 @@ class perform:
N[1] = self.fs['Ny'] N[1] = self.fs['Ny']
n = np.uint32(self.waves['N']) n = np.uint32(self.waves['N'])
gSize = (globalSize(N[0]),globalSize(N[1]),) gSize = (globalSize(N[0]),globalSize(N[1]),)
print(gSize)
# Kernel arguments # Kernel arguments
kernelargs = (self.fs['pos'], kernelargs = (self.fs['pos'],
self.fs['vel'], self.fs['vel'],
@ -109,9 +108,6 @@ class perform:
self.fs['velPot'], self.fs['velPot'],
self.fs['accPot'], self.fs['accPot'],
N, n) N, n)
print('Launching...')
# Kernel launch # Kernel launch
self.program.FS(self.queue, gSize, None, *(kernelargs)) self.program.FS(self.queue, gSize, None, *(kernelargs))
print('Waiting...')
self.queue.finish() self.queue.finish()
print('OK!')