#56-implement time performance script

Completed. Validated.

Author: schmouk

testCPUPerfs.py

@@ -0,0 +1,67 @@
+"""
+Copyright (c) 2025 Philippe Schmouker, schmouk (at) gmail.com
+
+Permission is hereby granted,  free of charge,  to any person obtaining a copy
+of this software and associated documentation files (the "Software"),  to deal
+in the Software without restriction, including  without  limitation the rights
+to use,  copy,  modify,  merge,  publish,  distribute, sublicense, and/or sell
+copies of the Software,  and  to  permit  persons  to  whom  the  Software  is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS",  WITHOUT WARRANTY OF ANY  KIND,  EXPRESS  OR
+IMPLIED,  INCLUDING  BUT  NOT  LIMITED  TO  THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT  SHALL  THE
+AUTHORS  OR  COPYRIGHT  HOLDERS  BE  LIABLE  FOR  ANY CLAIM,  DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  TORT OR OTHERWISE, ARISING FROM,
+OUT  OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+"""
+
+#=============================================================================
+import sys
+from time import perf_counter_ns
+from timeit import repeat
+
+from PyRandLib import *
+
+
+#=============================================================================
+def test_perf(prng_class_name: str, seed_value: int, n_loops: int, n_repeats: int):
+    """Evaluates the CPU time spent evaluating a number in [0.0, 1.0)."""
+    print("---", prng_class_name, "---")
+    perfs = repeat("rnd()",
+                   setup=f"from PyRandLib import {prng_class_name}; rnd = {prng_class_name}({seed_value})",
+                   repeat=n_repeats,
+                   timer=perf_counter_ns,
+                   number=n_loops)
+    print([1e-9 * p / n_loops for p in perfs])
+    print(f"--> {min(perfs) / n_loops * 1e-3:.4f} us\n")
+
+
+#=============================================================================
+if __name__ == "__main__":
+
+    print("=== PyRandLib CPU time performances ===")
+    print("Python version:", sys.version, '\n')
+
+    N = 15
+
+    test_perf("FastRand32"  , 0x3ca5_8796          , 2_000_000, N)
+    test_perf("FastRand63"  , 0x3ca5_8796_1f2e_b45a, 2_000_000, N)
+    test_perf("LFib78"      , 0x3ca5_8796_1f2e_b45a, 2_000_000, N)
+    test_perf("LFib116"     , 0x3ca5_8796_1f2e_b45a, 2_000_000, N)
+    test_perf("LFib668"     , 0x3ca5_8796_1f2e_b45a, 2_000_000, N)
+    test_perf("LFib1340"    , 0x3ca5_8796_1f2e_b45a, 2_000_000, N)
+    test_perf("MRGRand287"  , 0x3ca5_8796          , 2_000_000, N)
+    test_perf("MRGRand1457" , 0x3ca5_8796          , 2_000_000, N)
+    test_perf("MRGRand49507", 0x3ca5_8796          , 2_000_000, N)
+    test_perf("Well512a"    , 0x3ca5_8796          , 1_000_000, N)
+    test_perf("Well1024a"   , 0x3ca5_8796          , 1_000_000, N)
+    test_perf("Well19937c"  , 0x3ca5_8796          , 1_000_000, N)
+    test_perf("Well44497b"  , 0x3ca5_8796          , 1_000_000, N)
+
+
+#=====   end of module   testCPUPerfs.py   ===================================