From d540b701836dbcdef727947f52a0ca01430968a6 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Wed, 30 Oct 2019 19:45:39 +0100
Subject: Rename folder, add basic README.md

---
 ldc_2d/opencl/simulation.py | 105 --------------------------------------------
 1 file changed, 105 deletions(-)
 delete mode 100644 ldc_2d/opencl/simulation.py

(limited to 'ldc_2d/opencl/simulation.py')

diff --git a/ldc_2d/opencl/simulation.py b/ldc_2d/opencl/simulation.py
deleted file mode 100644
index 7625609..0000000
--- a/ldc_2d/opencl/simulation.py
+++ /dev/null
@@ -1,105 +0,0 @@
-import pyopencl as cl
-mf = cl.mem_flags
-
-import numpy
-
-class Memory:
-    def __init__(self, descriptor, geometry, context, float_type):
-        self.context    = context
-        self.float_type = float_type
-
-        self.size_x = geometry.size_x
-        self.size_y = geometry.size_y
-        self.size_z = geometry.size_z
-        self.volume = self.size_x * self.size_y * self.size_z
-
-        self.pop_size     = descriptor.q * self.volume * self.float_type(0).nbytes
-        self.moments_size = 3 * self.volume * self.float_type(0).nbytes
-
-        self.cl_pop_a = cl.Buffer(self.context, mf.READ_WRITE, size=self.pop_size)
-        self.cl_pop_b = cl.Buffer(self.context, mf.READ_WRITE, size=self.pop_size)
-
-        self.cl_moments = cl.Buffer(self.context, mf.WRITE_ONLY, size=self.moments_size)
-
-    def gid(self, x, y, z = 0):
-        return z * (self.size_x*self.size_y) + y * self.size_x + x;
-
-class CellList:
-    def __init__(self, context, queue, float_type, cells):
-        self.cl_cells = cl.Buffer(context, mf.READ_ONLY, size=len(cells) * numpy.uint32(0).nbytes)
-        self.np_cells = numpy.ndarray(shape=(len(cells), 1), dtype=numpy.uint32)
-        self.np_cells[:,0] = cells[:]
-
-        cl.enqueue_copy(queue, self.cl_cells, self.np_cells).wait();
-
-    def get(self):
-        return self.cl_cells
-
-    def size(self):
-        return (len(self.np_cells), 1, 1)
-
-class Lattice:
-    def __init__(self, geometry, kernel_src, descriptor, platform = 0, precision = 'single'):
-        self.geometry = geometry
-        self.descriptor = descriptor
-
-        self.float_type = {
-            'single': (numpy.float32, 'float'),
-            'double': (numpy.float64, 'double'),
-        }.get(precision, None)
-
-        self.platform = cl.get_platforms()[platform]
-        self.layout = None
-
-        self.context = cl.Context(
-            properties=[(cl.context_properties.PLATFORM, self.platform)])
-
-        self.queue = cl.CommandQueue(self.context)
-
-        self.memory = Memory(descriptor, self.geometry, self.context, self.float_type[0])
-        self.tick = False
-
-        self.compiler_args = {
-            'single': '-cl-single-precision-constant -cl-fast-relaxed-math',
-            'double': '-cl-fast-relaxed-math'
-        }.get(precision, None)
-
-        self.build_kernel(kernel_src)
-
-        self.program.equilibrilize(
-            self.queue, self.geometry.size(), self.layout, self.memory.cl_pop_a, self.memory.cl_pop_b).wait()
-
-        self.tasks = []
-
-    def build_kernel(self, src):
-        self.program = cl.Program(self.context, src).build(self.compiler_args)
-
-    def schedule(self, f, cells, *params):
-        self.tasks += [ (eval("self.program.%s" % f), cells, params) ]
-
-    def evolve(self):
-        if self.tick:
-            self.tick = False
-            for f, cells, params in self.tasks:
-                f(self.queue, cells.size(), self.layout, self.memory.cl_pop_a, self.memory.cl_pop_b, cells.get(), *params)
-        else:
-            self.tick = True
-            for f, cells, params in self.tasks:
-                f(self.queue, cells.size(), self.layout, self.memory.cl_pop_b, self.memory.cl_pop_a, cells.get(), *params)
-
-    def sync(self):
-        self.queue.finish()
-
-    def get_moments(self):
-        moments = numpy.ndarray(shape=(self.memory.volume*(self.descriptor.d+1),1), dtype=self.float_type[0])
-
-        if self.tick:
-            self.program.collect_moments(
-                self.queue, self.geometry.size(), self.layout, self.memory.cl_pop_b, self.memory.cl_moments)
-        else:
-            self.program.collect_moments(
-                self.queue, self.geometry.size(), self.layout, self.memory.cl_pop_a, self.memory.cl_moments)
-
-        cl.enqueue_copy(self.queue, moments, self.memory.cl_moments).wait();
-
-        return moments
-- 
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