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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Project: Fast Azimuthal Integration
# https://github.com/pyFAI/pyFAI
#
# Copyright (C) European Synchrotron Radiation Facility, Grenoble, France
#
# Principal author: Jérôme Kieffer (Jerome.Kieffer@ESRF.eu)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
"test suite for OpenCL code"
__author__ = "Jérôme Kieffer"
__contact__ = "Jerome.Kieffer@ESRF.eu"
__license__ = "GPLv3+"
__copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
__date__ = "22/10/2014"
import unittest
import os
import time
import sys
import fabio
import gc
from utilstest import UtilsTest, Rwp, getLogger
logger = getLogger(__file__)
try:
import pyopencl
except ImportError as error:
logger.warning("OpenCL module (pyopencl) is not present, skip tests. %s." % error)
skip = True
else:
skip = False
pyFAI = sys.modules["pyFAI"]
from pyFAI.opencl import ocl
if ocl is None:
skip = True
class test_mask(unittest.TestCase):
tmp_dir = os.environ.get("PYFAI_TEMPDIR", os.path.join(os.path.dirname(os.path.abspath(__file__)), "tmp"))
N = 1000
def setUp(self):
self.datasets = [{"img": UtilsTest.getimage("1883/Pilatus1M.edf"),
"poni": UtilsTest.getimage("1893/Pilatus1M.poni"),
"spline": None},
{"img": UtilsTest.getimage("1882/halfccd.edf"),
"poni": UtilsTest.getimage("1895/halfccd.poni"),
"spline": UtilsTest.getimage("1461/halfccd.spline")},
{"img": UtilsTest.getimage("1881/Frelon2k.edf"),
"poni": UtilsTest.getimage("1896/Frelon2k.poni"),
"spline": UtilsTest.getimage("1900/frelon.spline")},
{"img": UtilsTest.getimage("1884/Pilatus6M.cbf"),
"poni": UtilsTest.getimage("1897/Pilatus6M.poni"),
"spline": None},
]
for ds in self.datasets:
if ds["spline"] is not None:
data = open(ds["poni"], "r").read()
# spline = os.path.basename(ds["spline"])
with open(ds["poni"]) as f:
data = []
for line in f:
if line.startswith("SplineFile:"):
data.append("SplineFile: " + ds["spline"])
else:
data.append(line.strip())
ds["poni"] = os.path.join(self.tmp_dir, os.path.basename(ds["poni"]))
with open(ds["poni"], "w") as f:
f.write(os.linesep.join(data))
def tearDown(self):
unittest.TestCase.tearDown(self)
for ds in self.datasets:
if ds["spline"] is not None:
if os.path.isfile(ds["poni"]):
os.unlink(ds["poni"])
def test_OpenCL(self):
logger.info("Testing histogram-based algorithm (forward-integration)")
for devtype in ("GPU", "CPU"):
ids = ocl.select_device(devtype, extensions=["cl_khr_int64_base_atomics"])
if ids is None:
logger.error("No suitable %s OpenCL device found" % devtype)
continue
else:
logger.info("I found a suitable device %s %s: %s %s " % (devtype, ids, ocl.platforms[ids[0]], ocl.platforms[ids[0]].devices[ids[1]]))
for ds in self.datasets:
ai = pyFAI.load(ds["poni"])
data = fabio.open(ds["img"]).data
res = ai.xrpd_OpenCL(data, self.N, devicetype="all", platformid=ids[0], deviceid=ids[1], useFp64=True)
ref = ai.integrate1d(data, self.N, method="splitBBox", unit="2th_deg")
r = Rwp(ref, res)
logger.info("OpenCL histogram vs histogram SplitBBox has R= %.3f for dataset %s" % (r, ds))
self.assertTrue(r < 6, "Rwp=%.3f for OpenCL histogram processing of %s" % (r, ds))
del ai, data
gc.collect()
def test_OpenCL_LUT(self):
logger.info("Testing LUT-based algorithm (backward-integration)")
for devtype in ("GPU", "CPU"):
ids = ocl.select_device(devtype, best=True)
if ids is None:
logger.error("No suitable %s OpenCL device found" % devtype)
continue
else:
logger.info("I found a suitable device %s %s: %s %s " % (devtype, ids, ocl.platforms[ids[0]], ocl.platforms[ids[0]].devices[ids[1]]))
for ds in self.datasets:
ai = pyFAI.load(ds["poni"])
data = fabio.open(ds["img"]).data
ref = ai.integrate1d(data, self.N, method="splitBBox", unit="2th_deg")
try:
res = ai.integrate1d(data, self.N, method="ocl_lut_%i,%i" % (ids[0], ids[1]), unit="2th_deg")
except (pyFAI.opencl.pyopencl.MemoryError, MemoryError, pyFAI.opencl.pyopencl.RuntimeError, RuntimeError) as error:
logger.warning("Memory error on %s dataset %s: %s%s. Converted into warnining: device may not have enough memory." % (devtype, os.path.basename(ds["img"]), os.linesep, error))
break
else:
ref = ai.xrpd(data, self.N)
r = Rwp(ref, res)
logger.info("OpenCL CSR vs histogram SplitBBox has R= %.3f for dataset %s" % (r, ds))
self.assertTrue(r < 3, "Rwp=%.3f for OpenCL LUT processing of %s" % (r, ds))
del ai, data
gc.collect()
def test_OpenCL_CSR(self):
logger.info("Testing CSR-based algorithm (backward-integration)")
for devtype in ("GPU", "CPU"):
ids = ocl.select_device(devtype, best=True)
if ids is None:
logger.error("No suitable %s OpenCL device found" % devtype)
continue
else:
logger.info("I found a suitable device %s %s: %s %s " % (devtype, ids, ocl.platforms[ids[0]], ocl.platforms[ids[0]].devices[ids[1]]))
for ds in self.datasets:
ai = pyFAI.load(ds["poni"])
data = fabio.open(ds["img"]).data
ref = ai.integrate1d(data, self.N, method="splitBBox", unit="2th_deg")
try:
res = ai.integrate1d(data, self.N, method="ocl_csr_%i,%i" % (ids[0], ids[1]), unit="2th_deg")
except (pyFAI.opencl.pyopencl.MemoryError, MemoryError, pyFAI.opencl.pyopencl.RuntimeError, RuntimeError) as error:
logger.warning("Memory error on %s dataset %s: %s%s. Converted into Warning: device may not have enough memory." % (devtype, os.path.basename(ds["img"]), os.linesep, error))
break
else:
r = Rwp(ref, res)
logger.info("OpenCL CSR vs histogram SplitBBox has R= %.3f for dataset %s" % (r, ds))
self.assertTrue(r < 3, "Rwp=%.3f for OpenCL CSR processing of %s" % (r, ds))
del ai, data
gc.collect()
def test_suite_all_OpenCL():
testSuite = unittest.TestSuite()
if skip:
logger.warning("OpenCL module (pyopencl) is not present or no device available: skip tests")
else:
testSuite.addTest(test_mask("test_OpenCL"))
testSuite.addTest(test_mask("test_OpenCL_LUT"))
testSuite.addTest(test_mask("test_OpenCL_CSR"))
return testSuite
if __name__ == '__main__':
mysuite = test_suite_all_OpenCL()
runner = unittest.TextTestRunner()
runner.run(mysuite)
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