114 lines
2.7 KiB
Python
114 lines
2.7 KiB
Python
# -*- coding: utf-8 -*-
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"""
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This module is a scratchpad for general development, testing & debugging
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"""
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from django.core.management.base import NoArgsCommand
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from django.db.models import connection
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from pprint import pprint
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import sys
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from pexp.models import *
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num_objects = 1000
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def reset_queries():
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connection.queries = []
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def show_queries():
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print; print 'QUERIES:', len(connection.queries); pprint(connection.queries); print; reset_queries()
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import time
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###################################################################################
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# benchmark wrappers
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def print_timing(func, message='', iterations=1):
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def wrapper(*arg):
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results = []
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reset_queries()
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for i in xrange(iterations):
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t1 = time.time()
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x = func(*arg)
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t2 = time.time()
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results.append((t2 - t1) * 1000.0)
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res_sum = 0
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for r in results: res_sum += r
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median = res_sum / len(results)
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print '%s%-19s: %.0f ms, %i queries' % (
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message, func.func_name,
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median,
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len(connection.queries) / len(results)
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)
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sys.stdout.flush()
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return wrapper
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def run_vanilla_any_poly(func, iterations=1):
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f = print_timing(func, ' ', iterations)
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f(nModelC)
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f = print_timing(func, 'poly ', iterations)
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f(ModelC)
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###################################################################################
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# benchmarks
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def bench_create(model):
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for i in xrange(num_objects):
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model.objects.create(field1='abc' + str(i), field2='abcd' + str(i), field3='abcde' + str(i))
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# print 'count:',model.objects.count()
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def bench_load1(model):
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for o in model.objects.all():
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pass
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def bench_load1_short(model):
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for i in xrange(num_objects / 100):
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for o in model.objects.all()[:100]:
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pass
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def bench_load2(model):
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for o in model.objects.all():
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f1 = o.field1
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f2 = o.field2
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f3 = o.field3
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def bench_load2_short(model):
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for i in xrange(num_objects / 100):
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for o in model.objects.all()[:100]:
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f1 = o.field1
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f2 = o.field2
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f3 = o.field3
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def bench_delete(model):
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model.objects.all().delete()
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###################################################################################
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# Command
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class Command(NoArgsCommand):
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help = ""
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def handle_noargs(self, **options):
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func_list = [
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(bench_delete, 1),
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(bench_create, 1),
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(bench_load1, 5),
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(bench_load1_short, 5),
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(bench_load2, 5),
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(bench_load2_short, 5)
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]
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for f, iterations in func_list:
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run_vanilla_any_poly(f, iterations=iterations)
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print
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