Add benchmarks

Author: kgryte

lib/node_modules/@stdlib/ndarray/benchmark/python/numpy/benchmark.py

@@ -206,7 +206,7 @@ def main():
     benchmark(name, setup, stmt, iterations)
 
     name = "::3d,instantiation,dtype_cast"
-    setup = "import numpy as np; x = np.array([[1.0, 2.0], [3.0, 4.0], [5.0, 6.0]], dtype='float32');"
+    setup = "import numpy as np; x = np.array([[[1.0, 2.0], [3.0, 4.0], [5.0, 6.0]]], dtype='float32');"
     stmt = "y = np.array(x, dtype='float64')"
     iterations = 100000
     benchmark(name, setup, stmt, iterations)
@@ -229,6 +229,48 @@ def main():
     iterations = 100000
     benchmark(name, setup, stmt, iterations)
 
+    name = "::4d,instantiation,ndarray"
+    setup = "import numpy as np; x = np.array([[[[1.0, 2.0], [3.0, 4.0], [5.0, 6.0]]]]);"
+    stmt = "y = np.array(x)"
+    iterations = 100000
+    benchmark(name, setup, stmt, iterations)
+
+    name = "::4d,instantiation,no_cast"
+    setup = "import numpy as np; x = np.array([[[[1.0, 2.0], [3.0, 4.0], [5.0, 6.0]]]], dtype='float64');"
+    stmt = "y = np.array(x, dtype='float64')"
+    iterations = 100000
+    benchmark(name, setup, stmt, iterations)
+
+    name = "::4d,instantiation,default_cast"
+    setup = "import numpy as np; x = [[[[1.0, 2.0], [3.0, 4.0], [5.0, 6.0]]]];"
+    stmt = "y = np.array(x, dtype='float64')"
+    iterations = 100000
+    benchmark(name, setup, stmt, iterations)
+
+    name = "::4d,instantiation,dtype_cast"
+    setup = "import numpy as np; x = np.array([[[[1.0, 2.0], [3.0, 4.0], [5.0, 6.0]]]], dtype='float32');"
+    stmt = "y = np.array(x, dtype='float64')"
+    iterations = 100000
+    benchmark(name, setup, stmt, iterations)
+
+    name = "::4d,instantiation:copy=false"
+    setup = "import numpy as np; x = np.array([[[[1.0, 2.0], [3.0, 4.0], [5.0, 6.0]]]]);"
+    stmt = "y = np.array(x, copy=False)"
+    iterations = 100000
+    benchmark(name, setup, stmt, iterations)
+
+    name = "::4d,instantiation:copy=true"
+    setup = "import numpy as np; x = np.array([[[[1.0, 2.0], [3.0, 4.0], [5.0, 6.0]]]]);"
+    stmt = "y = np.array(x, copy=True)"
+    iterations = 100000
+    benchmark(name, setup, stmt, iterations)
+
+    name = "::4d,instantiation:flatten=true"
+    setup = "import numpy as np; x = [[[[1.0, 2.0], [3.0, 4.0], [5.0, 6.0]]]];"
+    stmt = "y = np.array(x)"
+    iterations = 100000
+    benchmark(name, setup, stmt, iterations)
+
     print_summary(COUNT[0], COUNT[0])