summaryrefslogtreecommitdiff
path: root/test/linalg_test.py
diff options
context:
space:
mode:
Diffstat (limited to 'test/linalg_test.py')
-rw-r--r--test/linalg_test.py214
1 files changed, 214 insertions, 0 deletions
diff --git a/test/linalg_test.py b/test/linalg_test.py
new file mode 100644
index 0000000..31688d9
--- /dev/null
+++ b/test/linalg_test.py
@@ -0,0 +1,214 @@
+import os
+import numpy as np
+from pycuda import autoinit
+from pycuda.compiler import SourceModule
+import pycuda.driver as cuda
+from pycuda import gpuarray
+
+float3 = gpuarray.vec.float3
+
+print 'device %s' % autoinit.device.name()
+
+current_directory = os.path.split(os.path.realpath(__file__))[0]
+source_directory = current_directory + '/../src'
+
+source = open(current_directory + '/linalg_test.cu').read()
+
+mod = SourceModule(source, options=['-I' + source_directory], no_extern_c=True, cache_dir=False)
+
+float3add = mod.get_function('float3add')
+float3addequal = mod.get_function('float3addequal')
+float3sub = mod.get_function('float3sub')
+float3subequal = mod.get_function('float3subequal')
+float3addfloat = mod.get_function('float3addfloat')
+float3addfloatequal = mod.get_function('float3addfloatequal')
+floataddfloat3 = mod.get_function('floataddfloat3')
+float3subfloat = mod.get_function('float3subfloat')
+float3subfloatequal = mod.get_function('float3subfloatequal')
+floatsubfloat3 = mod.get_function('floatsubfloat3')
+float3mulfloat = mod.get_function('float3mulfloat')
+float3mulfloatequal = mod.get_function('float3mulfloatequal')
+floatmulfloat3 = mod.get_function('floatmulfloat3')
+float3divfloat = mod.get_function('float3divfloat')
+float3divfloatequal = mod.get_function('float3divfloatequal')
+floatdivfloat3 = mod.get_function('floatdivfloat3')
+dot = mod.get_function('dot')
+cross = mod.get_function('cross')
+norm = mod.get_function('norm')
+minusfloat3 = mod.get_function('minusfloat3')
+
+size = {'block': (256,1,1), 'grid': (1,1)}
+
+a = np.empty(size['block'][0], dtype=float3)
+b = np.empty(size['block'][0], dtype=float3)
+c = np.float32(np.random.random_sample())
+
+a['x'] = np.random.random_sample(size=a.size)
+a['y'] = np.random.random_sample(size=a.size)
+a['z'] = np.random.random_sample(size=a.size)
+
+b['x'] = np.random.random_sample(size=b.size)
+b['y'] = np.random.random_sample(size=b.size)
+b['z'] = np.random.random_sample(size=b.size)
+
+def testfloat3add():
+ dest = np.empty(a.size, dtype=float3)
+ float3add(cuda.In(a), cuda.In(b), cuda.Out(dest), **size)
+ if not np.allclose(a['x']+b['x'], dest['x']) or \
+ not np.allclose(a['y']+b['y'], dest['y']) or \
+ not np.allclose(a['z']+b['z'], dest['z']):
+ assert False
+
+def testfloat3sub():
+ dest = np.empty(a.size, dtype=float3)
+ float3sub(cuda.In(a), cuda.In(b), cuda.Out(dest), **size)
+ if not np.allclose(a['x']-b['x'], dest['x']) or \
+ not np.allclose(a['y']-b['y'], dest['y']) or \
+ not np.allclose(a['z']-b['z'], dest['z']):
+ assert False
+
+def testfloat3addequal():
+ dest = np.copy(a)
+ float3addequal(cuda.InOut(dest), cuda.In(b), **size)
+ if not np.allclose(a['x']+b['x'], dest['x']) or \
+ not np.allclose(a['y']+b['y'], dest['y']) or \
+ not np.allclose(a['z']+b['z'], dest['z']):
+ assert False
+
+def testfloat3subequal():
+ dest = np.copy(a)
+ float3subequal(cuda.InOut(dest), cuda.In(b), **size)
+ if not np.allclose(a['x']-b['x'], dest['x']) or \
+ not np.allclose(a['y']-b['y'], dest['y']) or \
+ not np.allclose(a['z']-b['z'], dest['z']):
+ assert False
+
+def testfloat3addfloat():
+ dest = np.empty(a.size, dtype=float3)
+ float3addfloat(cuda.In(a), c, cuda.Out(dest), **size)
+ if not np.allclose(a['x']+c, dest['x']) or \
+ not np.allclose(a['y']+c, dest['y']) or \
+ not np.allclose(a['z']+c, dest['z']):
+ assert False
+
+def testfloat3addfloatequal():
+ dest = np.copy(a)
+ float3addfloatequal(cuda.InOut(dest), c, **size)
+ if not np.allclose(a['x']+c, dest['x']) or \
+ not np.allclose(a['y']+c, dest['y']) or \
+ not np.allclose(a['z']+c, dest['z']):
+ assert False
+
+def testfloataddfloat3():
+ dest = np.empty(a.size, dtype=float3)
+ floataddfloat3(cuda.In(a), c, cuda.Out(dest), **size)
+ if not np.allclose(c+a['x'], dest['x']) or \
+ not np.allclose(c+a['y'], dest['y']) or \
+ not np.allclose(c+a['z'], dest['z']):
+ assert False
+
+def testfloat3subfloat():
+ dest = np.empty(a.size, dtype=float3)
+ float3subfloat(cuda.In(a), c, cuda.Out(dest), **size)
+ if not np.allclose(a['x']-c, dest['x']) or \
+ not np.allclose(a['y']-c, dest['y']) or \
+ not np.allclose(a['z']-c, dest['z']):
+ assert False
+
+def testfloat3subfloatequal():
+ dest = np.copy(a)
+ float3subfloatequal(cuda.InOut(dest), c, **size)
+ if not np.allclose(a['x']-c, dest['x']) or \
+ not np.allclose(a['y']-c, dest['y']) or \
+ not np.allclose(a['z']-c, dest['z']):
+ assert False
+
+def testfloatsubfloat3():
+ dest = np.empty(a.size, dtype=float3)
+ floatsubfloat3(cuda.In(a), c, cuda.Out(dest), **size)
+ if not np.allclose(c-a['x'], dest['x']) or \
+ not np.allclose(c-a['y'], dest['y']) or \
+ not np.allclose(c-a['z'], dest['z']):
+ assert False
+
+def testfloat3mulfloat():
+ dest = np.empty(a.size, dtype=float3)
+ float3mulfloat(cuda.In(a), c, cuda.Out(dest), **size)
+ if not np.allclose(a['x']*c, dest['x']) or \
+ not np.allclose(a['y']*c, dest['y']) or \
+ not np.allclose(a['z']*c, dest['z']):
+ assert False
+
+def testfloat3mulfloatequal():
+ dest = np.copy(a)
+ float3mulfloatequal(cuda.InOut(dest), c, **size)
+ if not np.allclose(a['x']*c, dest['x']) or \
+ not np.allclose(a['y']*c, dest['y']) or \
+ not np.allclose(a['z']*c, dest['z']):
+ assert False
+
+def testfloatmulfloat3():
+ dest = np.empty(a.size, dtype=float3)
+ floatmulfloat3(cuda.In(a), c, cuda.Out(dest), **size)
+ if not np.allclose(c*a['x'], dest['x']) or \
+ not np.allclose(c*a['y'], dest['y']) or \
+ not np.allclose(c*a['z'], dest['z']):
+ assert False
+
+def testfloat3divfloat():
+ dest = np.empty(a.size, dtype=float3)
+ float3divfloat(cuda.In(a), c, cuda.Out(dest), **size)
+ if not np.allclose(a['x']/c, dest['x']) or \
+ not np.allclose(a['y']/c, dest['y']) or \
+ not np.allclose(a['z']/c, dest['z']):
+ assert False
+
+def testfloat3divfloatequal():
+ dest = np.copy(a)
+ float3divfloatequal(cuda.InOut(dest), c, **size)
+ if not np.allclose(a['x']/c, dest['x']) or \
+ not np.allclose(a['y']/c, dest['y']) or \
+ not np.allclose(a['z']/c, dest['z']):
+ assert False
+
+def testfloatdivfloat3():
+ dest = np.empty(a.size, dtype=float3)
+ floatdivfloat3(cuda.In(a), c, cuda.Out(dest), **size)
+ if not np.allclose(c/a['x'], dest['x']) or \
+ not np.allclose(c/a['y'], dest['y']) or \
+ not np.allclose(c/a['z'], dest['z']):
+ assert false
+
+def testdot():
+ dest = np.empty(a.size, dtype=np.float32)
+ dot(cuda.In(a), cuda.In(b), cuda.Out(dest), **size)
+ if not np.allclose(a['x']*b['x'] + a['y']*b['y'] + a['z']*b['z'], dest):
+ assert False
+
+def testcross():
+ dest = np.empty(a.size, dtype=float3)
+ cross(cuda.In(a), cuda.In(b), cuda.Out(dest), **size)
+ for u, v, wdest in zip(a,b,dest):
+ w = np.cross((u['x'], u['y'], u['z']),(v['x'],v['y'],v['z']))
+ if not np.allclose(wdest['x'], w[0]) or \
+ not np.allclose(wdest['y'], w[1]) or \
+ not np.allclose(wdest['z'], w[2]):
+ print w
+ print wdest
+ assert False
+
+def testnorm():
+ dest = np.empty(a.size, dtype=np.float32)
+ norm(cuda.In(a), cuda.Out(dest), **size)
+
+ for i in range(len(dest)):
+ if not np.allclose(np.linalg.norm((a['x'][i],a['y'][i],a['z'][i])), dest[i]):
+ assert False
+
+def testminusfloat3():
+ dest = np.empty(a.size, dtype=float3)
+ minusfloat3(cuda.In(a), cuda.Out(dest), **size)
+ if not np.allclose(-a['x'], dest['x']) or \
+ not np.allclose(-a['y'], dest['y']) or \
+ not np.allclose(-a['z'], dest['z']):
+ assert False
generated by cgit (git 2.34.1) at 2025-05-07 22:13:41 +0000