Example #1
0
#!/usr/bin/env python
# -*- coding: utf-8 -*-

import sys
import os
from cobjects import CBuffer
import sixtracklib as st
from sixtracklib.stcommon import st_NODE_UNDEFINED_INDEX
import sixtracklib_test as testlib
from sixtracklib_test.generic_obj import GenericObj

if __name__ == '__main__':
    if not st.supports('cuda'):
        raise SystemExit("cuda support required for this test")

    try:
        num_nodes = st.CudaController.NUM_AVAILABLE_NODES()
    except RuntimeError as e:
        num_nodes = 0

    if num_nodes <= 0:
        print("No CUDA nodes available -> skip test")
        sys.exit(0)

    ctrl = st.CudaController()
    assert ctrl.num_nodes > 0
    assert ctrl.has_selected_node
    assert ctrl.selected_node_index != st_NODE_UNDEFINED_INDEX.value

    print("ctrl arch_id    : {0}".format(ctrl.arch_id))
    if ctrl.arch_str is not None:
Example #2
0
#!/usr/bin/env python
# -*- coding: utf-8 -*-

import sys
import numpy as np
import sixtracklib as pyst

elements = pyst.Elements()
elements.Drift(length=1.2)
elements.Multipole(knl=[0, 0.001])

particles = pyst.Particles.from_ref(num_particles=10, p0c=1e9)
particles.px += np.linspace(0, 1e-2, 10)

job = pyst.TrackJob(elements, particles)
status = job.track_until(1)

print(particles.x)
print(particles.px)

if pyst.supports('opencl'):
    jobcl = pyst.TrackJob(elements, particles, device="opencl:0.0")
    status = jobcl.track_until(2)
    jobcl.collect()

print(particles.x)
print(particles.px)
from sixtracklib import stcommon as st

pycuda_spec = util.find_spec('pycuda')
numpy_spec = util.find_spec('numpy')

if pycuda_spec is not None:
    import pycuda
    import pycuda.gpuarray
    import pycuda.driver
    import pycuda.autoinit

if numpy_spec is not None:
    import numpy as np

if __name__ == '__main__':
    if not pyst.supports('cuda'):
        raise SystemExit("Example requires cuda support in sixtracklib")

    if pycuda_spec is None:
        raise SystemExit("Example requires pycuda installation")

    if numpy_spec is None:
        raise SystemExit("Example requires numpy installation")

    num_particles = 42
    partset = pyst.ParticlesSet()
    particles = partset.Particles(num_particles=num_particles)

    cmp_partset = pyst.ParticlesSet()
    cmp_particles = cmp_partset.Particles(num_particles=num_particles)