--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test_speed.py	Thu Jun 05 14:29:06 2008 -0400
@@ -0,0 +1,79 @@
+import numpy
+from dataset import *
+from misc import *
+def test_speed(array, ds):
+    print "test_speed", ds.__class__
+
+    mat = numpy.random.rand(400,100)
+
+    @print_timing
+    def f_array_full(a):
+        a+1
+    @print_timing
+    def f_array_index(a):
+        for id in range(a.shape[0]):
+#            pass
+            a[id]+1
+#            a[id]*mat
+    @print_timing
+    def f_array_iter(a):
+        for r in a:
+#            pass
+            r+1
+#            r*mat
+    @print_timing
+    def f_ds_index(ds):
+        for id in range(len(ds)):
+#            pass
+            ds[id][0]+1
+#            ds[id][0]*mat
+    @print_timing
+    def f_ds_iter(ds):
+        for ex in ds:
+#            pass
+            ex[0]+1
+#            a[0]*mat
+    @print_timing
+    def f_ds_mb1(ds,mb_size):
+        for exs in ds.minibatches(minibatch_size = mb_size):
+            for ex in exs:
+#                pass
+                ex[0]+1
+#                ex[0]*mat
+    @print_timing
+    def f_ds_mb2(ds,mb_size):
+        for exs in ds.minibatches(minibatch_size = mb_size):
+#            pass
+            exs[0]+1
+#            ex[0]*mat
+
+    f_array_full(array)
+    f_array_index(array)
+    f_array_iter(array)
+
+    f_ds_index(ds)
+    f_ds_iter(ds)
+
+    f_ds_mb1(ds,10)
+    f_ds_mb1(ds,100)
+    f_ds_mb1(ds,1000)
+    f_ds_mb1(ds,10000)
+    f_ds_mb2(ds,10)
+    f_ds_mb2(ds,100)
+    f_ds_mb2(ds,1000)
+    f_ds_mb2(ds,10000)
+
+if __name__=='__main__':
+    a2 = numpy.random.rand(100000,400)
+    ds1 = ArrayDataSet(a2,{'all':slice(0,a2.shape[1],1)})
+    test_speed(a2,ds1)
+    a1 = numpy.random.rand(100000,40)
+    ds4 = ArrayDataSet(a1,LookupList(["f"+str(x)for x in range(a1.shape[1])],
+                                     range(a1.shape[1])))
+    test_speed(a2,ds4)
+    ds2=CachedDataSet(ds1,cache_all_upon_construction=False)
+    test_speed(a2,ds2)
+    ds3=CachedDataSet(ds1,cache_all_upon_construction=True)
+    test_speed(a2,ds3)
+    del a2,ds1,ds2,ds3
+