def test_create_program_from_source(self):
oclSrc = " \
kernel void add(global int* a, global int* b, global int* c) { \
size_t index = get_global_id(0); \
c[index] = a[index] + b[index]; \
} \
kernel void axpy(global int* a, global int* b, global int* c, int d) { \
size_t index = get_global_id(0); \
c[index] = a[index] + d*b[index]; \
}"
q = dpctl.SyclQueue("level_zero:gpu")
dpctl_prog.create_program_from_source(q, oclSrc)
def test_create_program_from_source(self):
oclSrc = " \
kernel void axpy(global int* a, global int* b, global int* c, int d) { \
size_t index = get_global_id(0); \
c[index] = d*a[index] + b[index]; \
}"
with dpctl.device_context("opencl:gpu:0"):
q = dpctl.get_current_queue()
prog = dpctl_prog.create_program_from_source(q, oclSrc)
axpyKernel = prog.get_sycl_kernel("axpy")
abuf = dpctl_mem.MemoryUSMShared(1024 * np.dtype("i").itemsize)
bbuf = dpctl_mem.MemoryUSMShared(1024 * np.dtype("i").itemsize)
cbuf = dpctl_mem.MemoryUSMShared(1024 * np.dtype("i").itemsize)
a = np.ndarray((1024), buffer=abuf, dtype="i")
b = np.ndarray((1024), buffer=bbuf, dtype="i")
c = np.ndarray((1024), buffer=cbuf, dtype="i")
a[:] = np.arange(1024)
b[:] = np.arange(1024, 0, -1)
c[:] = 0
d = 2
args = []
args.append(a.base)
args.append(b.base)
args.append(c.base)
args.append(ctypes.c_int(d))
r = [1024]
q.submit(axpyKernel, args, r)
self.assertTrue(np.allclose(c, a * d + b))
def test_create_program_from_source(self):
oclSrc = " \
kernel void add(global int* a, global int* b, global int* c) { \
size_t index = get_global_id(0); \
c[index] = a[index] + b[index]; \
} \
kernel void axpy(global int* a, global int* b, global int* c, int d) { \
size_t index = get_global_id(0); \
c[index] = a[index] + d*b[index]; \
}"
with dpctl.device_context("opencl:gpu:0"):
q = dpctl.get_current_queue()
prog = dpctl_prog.create_program_from_source(q, oclSrc)
self.assertIsNotNone(prog)
self.assertTrue(prog.has_sycl_kernel("add"))
self.assertTrue(prog.has_sycl_kernel("axpy"))
addKernel = prog.get_sycl_kernel("add")
axpyKernel = prog.get_sycl_kernel("axpy")
self.assertEqual(addKernel.get_function_name(), "add")
self.assertEqual(axpyKernel.get_function_name(), "axpy")
self.assertEqual(addKernel.get_num_args(), 3)
self.assertEqual(axpyKernel.get_num_args(), 4)
def produce_event(profiling=False):
oclSrc = " \
kernel void add(global int* a) { \
size_t index = get_global_id(0); \
a[index] = a[index] + 1; \
}"
if profiling:
q = dpctl.SyclQueue("opencl:cpu", property="enable_profiling")
else:
q = dpctl.SyclQueue("opencl:cpu")
prog = dpctl_prog.create_program_from_source(q, oclSrc)
addKernel = prog.get_sycl_kernel("add")
bufBytes = 1024 * np.dtype("i").itemsize
abuf = dpctl_mem.MemoryUSMShared(bufBytes, queue=q)
a = np.ndarray((1024), buffer=abuf, dtype="i")
a[:] = np.arange(1024)
args = []
args.append(a.base)
r = [1024]
ev = q.submit(addKernel, args, r)
return ev
def test_create_program_from_source(self):
oclSrc = " \
kernel void add(global int* a, global int* b, global int* c) { \
size_t index = get_global_id(0); \
c[index] = a[index] + b[index]; \
} \
kernel void axpy(global int* a, global int* b, global int* c, int d) { \
size_t index = get_global_id(0); \
c[index] = a[index] + d*b[index]; \
}"
with dpctl.device_context("level0:gpu:0"):
q = dpctl.get_current_queue()
prog = dpctl_prog.create_program_from_source(q, oclSrc)
def test_get_wait_list():
if has_cpu():
oclSrc = " \
kernel void add_k(global float* a) { \
size_t index = get_global_id(0); \
a[index] = a[index] + 1; \
} \
kernel void sqrt_k(global float* a) { \
size_t index = get_global_id(0); \
a[index] = sqrt(a[index]); \
} \
kernel void sin_k(global float* a) { \
size_t index = get_global_id(0); \
a[index] = sin(a[index]); \
}"
q = dpctl.SyclQueue("opencl:cpu")
prog = dpctl_prog.create_program_from_source(q, oclSrc)
addKernel = prog.get_sycl_kernel("add_k")
sqrtKernel = prog.get_sycl_kernel("sqrt_k")
sinKernel = prog.get_sycl_kernel("sin_k")
bufBytes = 1024 * np.dtype("f").itemsize
abuf = dpctl_mem.MemoryUSMShared(bufBytes, queue=q)
a = np.ndarray((1024), buffer=abuf, dtype="f")
a[:] = np.arange(1024)
args = []
args.append(a.base)
r = [1024]
ev_1 = q.submit(addKernel, args, r)
ev_2 = q.submit(sqrtKernel, args, r, dEvents=[ev_1])
ev_3 = q.submit(sinKernel, args, r, dEvents=[ev_2])
try:
wait_list = ev_3.get_wait_list()
except ValueError:
pytest.fail(
"Failed to get a list of waiting events from SyclEvent")
assert len(wait_list)
def test_create_program_from_source(ctype_str, dtype, ctypes_ctor):
try:
q = dpctl.SyclQueue("opencl", property="enable_profiling")
except dpctl.SyclQueueCreationError:
pytest.skip("OpenCL queue could not be created")
# OpenCL conventions for indexing global_id is opposite to
# that of SYCL (and DPCTL)
oclSrc = ("kernel void axpy("
" global " + ctype_str + " *a, global " + ctype_str + " *b,"
" global " + ctype_str + " *c, " + ctype_str + " d) {"
" size_t index = get_global_id(0);"
" c[index] = d * a[index] + b[index];"
"}")
prog = dpctl_prog.create_program_from_source(q, oclSrc)
axpyKernel = prog.get_sycl_kernel("axpy")
n_elems = 1024 * 512
lws = 128
bufBytes = n_elems * dtype.itemsize
abuf = dpctl_mem.MemoryUSMShared(bufBytes, queue=q)
bbuf = dpctl_mem.MemoryUSMShared(bufBytes, queue=q)
cbuf = dpctl_mem.MemoryUSMShared(bufBytes, queue=q)
a = np.ndarray((n_elems, ), buffer=abuf, dtype=dtype)
b = np.ndarray((n_elems, ), buffer=bbuf, dtype=dtype)
c = np.ndarray((n_elems, ), buffer=cbuf, dtype=dtype)
a[:] = np.arange(n_elems)
b[:] = np.arange(n_elems, 0, -1)
c[:] = 0
d = 2
args = [a.base, b.base, c.base, ctypes_ctor(d)]
assert n_elems % lws == 0
for r in (
[
n_elems,
],
[2, n_elems],
[2, 2, n_elems],
):
c[:] = 0
timer = dpctl.SyclTimer()
with timer(q):
q.submit(axpyKernel, args, r).wait()
ref_c = a * np.array(d, dtype=dtype) + b
host_dt, device_dt = timer.dt
assert type(host_dt) is float and type(device_dt) is float
assert np.allclose(c, ref_c), "Failed for {}".format(r)
for gr, lr in (
(
[
n_elems,
],
[lws],
),
([2, n_elems], [2, lws // 2]),
([2, 2, n_elems], [2, 2, lws // 4]),
):
c[:] = 0
timer = dpctl.SyclTimer()
with timer(q):
q.submit(axpyKernel, args, gr, lr, [dpctl.SyclEvent()]).wait()
ref_c = a * np.array(d, dtype=dtype) + b
host_dt, device_dt = timer.dt
assert type(host_dt) is float and type(device_dt) is float
assert np.allclose(c, ref_c), "Faled for {}, {}".formatg(r, lr)