move things into sfpy package

[sfpy.git] / timing.py

diff --git a/timing.py b/timing.py
new file mode 100644 (file)
index 0000000..ff13387
--- /dev/null
+++ b/timing.py
@@ -0,0 +1,55 @@
+"""Some basic performance tests for the wrapper class"""
+
+import timeit
+
+
+def ops_sec(stmt, setup):
+    # print('----')
+    # print(setup)
+    print('-- timing: --')
+    print(stmt)
+    print('----')
+
+    timer = timeit.Timer(stmt, setup)
+    iters, time = timer.autorange()
+
+    rate = iters/time
+    if rate > 1000000000:
+        erate = rate / 1000000000
+        unit = 'Gops'
+    elif rate > 1000000:
+        erate = rate / 1000000
+        unit = 'Mops'
+    elif rate > 1000:
+        erate = rate / 1000
+        unit = 'kops'
+    else:
+        erate = rate
+        unit = 'ops'
+
+    print('{} ops, {} s, {} {}/s\n'.format(iters, time, erate, unit))
+
+
+setup = """import sfpy
+P8 = sfpy.Posit8
+Q8 = sfpy.Quire8
+a = P8(1.3)
+b = P8(-0.5)
+c = P8(15.0)
+q = Q8()
+zero = 0.0
+"""
+
+ops_sec('pass', setup)
+ops_sec('P8(0)', setup)
+ops_sec('P8("0")', setup)
+ops_sec('P8.from_bits(0)', setup)
+
+ops_sec('1.1 + 2', setup)
+ops_sec('a + b', setup)
+ops_sec('a.add(b)', setup)
+ops_sec('zero += 1', setup)
+ops_sec('a += b', setup)
+ops_sec('a.iadd(b)', setup)
+
+ops_sec('q.fdp_add(b, c)', setup)