Benchmarking GeoServer WMS 1.3.0/1.1.1 version differences using the same dataset in different native SRS

benchmarking.py

import argparse
import requests
from PIL import Image
from io import BytesIO

URL = 'http://localhost:8080/geoserver/test/ows?'

params = {
    'service':'wms',
    'request':'getmap',
    'format': 'image/png',
    'styles':'point',
    'transparent':'true',
    'width': 768,
    'height':486
    }

layerparams = {
    'puurkaev_3301' : {
        'layers':'puurkaev_3301',
        'EPSG': 3301,
        'minx': 320676.1358612784,
        'miny': 6349387.490053313,
        'maxx': 789779.5117497771,
        'maxy': 6646241.970107753
        },
    'puurkaev_3035' : {
        'layers':'puurkaev_3035',
        'EPSG': 3035,
        'minx': 4953071.972760203,
        'miny': 3888121.7958570817,
        'maxx': 5422175.348648702,
        'maxy': 4208797.93171836
        },
    'puurkaev_4326': {
        'layers':'puurkaev_4326',
        'EPSG': 4326,
        'minx': 20.7861328125,
        'miny': 56.788330078125,
        'maxx': 29.2236328125,
        'maxy': 60.413818359375
        },
    'puurkaev_4326_3301': {
        'layers':'puurkaev_4326',
        'EPSG': 3301,
        'minx': 320676.1358612784,
        'miny': 6349387.490053313,
        'maxx': 789779.5117497771,
        'maxy': 6646241.970107753
        }
    }

def layer_params_by_version(fname, v):
    assert v in ['1.0.0', '1.1.0', '1.1.1', '1.3.0'], 'Unknown version: %s' % v
    lparams = layerparams[fname]
    p = {'layers':lparams['layers'], 'version':v}
    if v == '1.3.0':
        p['crs'] = 'EPSG:%s' % lparams['EPSG']
        p['bbox'] = ','.join(['%s' % lparams[k] for k in ['miny','minx','maxy','maxx']])
    else:
        p['srs'] = 'EPSG:%s' % lparams['EPSG']
        p['bbox'] = ','.join(['%s' % lparams[k] for k in ['minx','miny','maxx','maxy']])
    return p
        

def getmap(fname, saveimg=False, **kwargs):
    r = requests.get(URL, params=kwargs)
    r.raise_for_status()
    # SAVE THE IMAGE
    # but only if requested
    if saveimg:
        i = Image.open(BytesIO(r.content))
        filename = 'output/%s_%s.png' % (fname, kwargs['version'])
        i.save(filename )


if __name__ == '__main__':
    parser = argparse.ArgumentParser(prog='benchmarking')
    parser.add_argument(
        '-N', '--number', help=u"Number of times to run the query.",
        type=int, default='10')
    parser.add_argument(
        '-S', '--save', help=u"Save image: y|n",
        type=str, default='n')
    
    args = parser.parse_args()
    num = args.number
    saveimg = args.save.lower() == 'y'
    
    import timeit, functools
    for fname in ['puurkaev_3301', 'puurkaev_3035', 'puurkaev_4326', 'puurkaev_4326_3301']:
        for version in ['1.1.1', '1.3.0']:
            p = layer_params_by_version(fname, version)
            q = params.copy()
            q.update(p)
            print '***'
            print fname, version, 'running %s times' % num
            print 'REQUEST: %s%s' % (URL, '&'.join(['%s=%s' % (k, v) for k, v in q.items()]))
            t = timeit.Timer(functools.partial(getmap, fname, saveimg, **q))
            print 'AVG for %s reqs: %s sec' % (num, t.timeit(num)/num,)