shrink pickle benchmarks

Author: cosminbasca

graalpython/com.oracle.graal.python.benchmarks/python/micro/pickle_bench.py

@@ -67,6 +67,7 @@ def __teardown__():
 
 
 def __benchmark__(multiplier):
-    dumped = [dumps(s) for s in DATA]
-    loaded = [loads(b) for b in dumped]
-    print("loaded DATA are the same as dumped DATA: ", loaded == DATA)
+    for s in DATA:
+        b = dumps(s)
+        v = loads(b)
+

mx.graalpython/mx_graalpython_bench_param.py

@@ -103,11 +103,11 @@
 
 def _pickling_benchmarks(module='pickle'):
     return {
-        '{}-strings'.format(module): ITER_35 + ['40'],
-        '{}-lists'.format(module): ITER_35 + ['20'],
-        '{}-dicts'.format(module): ITER_35 + ['10'],
-        '{}-objects'.format(module): ITER_35 + ['300'],
-        '{}-funcs'.format(module): ITER_35 + ['400'],
+        '{}-strings'.format(module): ITER_35 + ['10'],
+        '{}-lists'.format(module): ITER_35 + ['10'],
+        '{}-dicts'.format(module): ITER_35 + ['5'],
+        '{}-objects'.format(module): ITER_35 + ['100'],
+        '{}-funcs'.format(module): ITER_35 + ['200'],
     }