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authorAdrian Kummerlaender2019-10-26 13:30:17 +0200
committerAdrian Kummerlaender2019-10-26 13:30:17 +0200
commit4a56c8448653ecc4fea9cee89e70b32dd5aadbc2 (patch)
tree0e083d9a33f3c2b2ce51d4af2c08a0849f3891e5
parentafbb5520cd2140c108adffd6170b5a83faf329f2 (diff)
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Add geometry argument
-rw-r--r--boltzgen.py3
-rw-r--r--boltzgen/geometry.py17
-rw-r--r--boltzgen/kernel/generator.py3
3 files changed, 22 insertions, 1 deletions
diff --git a/boltzgen.py b/boltzgen.py
index 6f8f20c..95cccd9 100644
--- a/boltzgen.py
+++ b/boltzgen.py
@@ -11,6 +11,7 @@ argparser.add_argument('language', help = 'Target language (currently either "cl
argparser.add_argument('--lattice', dest = 'lattice', required = True, help = 'Lattice type (D2Q9, D3Q7, D3Q19, D3Q27)')
argparser.add_argument('--layout', dest = 'layout', required = True, help = 'Memory layout ("AOS" or "SOA")')
argparser.add_argument('--precision', dest = 'precision', required = True, help = 'Floating precision ("single" or "double")')
+argparser.add_argument('--geometry', dest = 'geometry', required = True, help = 'Size of the block geometry ("x:y(:z)")')
args = argparser.parse_args()
@@ -22,7 +23,7 @@ generator = Generator(
moments = lbm.moments(),
collision = lbm.bgk(f_eq = lbm.equilibrium(), tau = 0.6))
-geometry = Geometry(1024,1024)
+geometry = Geometry.parse(args.geometry)
src = generator.kernel(args.language, args.precision, args.layout, geometry)
print(src)
diff --git a/boltzgen/geometry.py b/boltzgen/geometry.py
index 4b61982..193cbe6 100644
--- a/boltzgen/geometry.py
+++ b/boltzgen/geometry.py
@@ -1,3 +1,4 @@
+import re
from utility.ndindex import ndindex
class Geometry:
@@ -7,6 +8,22 @@ class Geometry:
self.size_z = size_z
self.volume = size_x * size_y * size_z
+ @classmethod
+ def parse(self, s):
+ args = re.search(r'([0-9]+):([0-9]+):?([0-9]+)?', s)
+ if args.group(3) == None:
+ return self(int(args.group(1)), int(args.group(2)))
+ else:
+ return self(int(args.group(1)), int(args.group(2)), int(args.group(3)))
+
+ def dimension(self):
+ if self.size_x > 1 and self.size_y > 1 and self.size_z == 1:
+ return 2
+ elif self.size_x > 1 and self.size_y > 1 and self.size_z > 1:
+ return 3
+ else:
+ raise Exception('Geometry malformed')
+
def inner_cells(self):
for idx in numpy.ndindex(self.inner_size()):
yield tuple(map(lambda i: i + 1, idx))
diff --git a/boltzgen/kernel/generator.py b/boltzgen/kernel/generator.py
index d91ddd5..434d163 100644
--- a/boltzgen/kernel/generator.py
+++ b/boltzgen/kernel/generator.py
@@ -24,6 +24,9 @@ class Generator:
else:
layout_impl = layout_impl(self.descriptor, geometry)
+ if geometry.dimension() != self.descriptor.d:
+ raise Exception('Geometry dimension must match descriptor dimension')
+
return Template(filename = str(template_path)).render(
descriptor = self.descriptor,
geometry = geometry,