diff --git a/examples/python/hello-loopy.py b/examples/python/hello-loopy.py
index e7ab13c1649ef42241fdb2826ab88655b307f969..da1273d2b3a0665c31bfa04520d351b2330b79fd 100644
--- a/examples/python/hello-loopy.py
+++ b/examples/python/hello-loopy.py
@@ -8,6 +8,9 @@ import pyopencl.array
ctx = cl.create_some_context()
queue = cl.CommandQueue(ctx)
+# for make_kernel calls from this file
+LOOPY_KERNEL_LANGUAGE_VERSION = (2018, 1)
+
n = 15 * 10**6
a = cl.array.arange(queue, n, dtype=np.float32)
@@ -15,8 +18,7 @@ a = cl.array.arange(queue, n, dtype=np.float32)
# ------
knl = lp.make_kernel(
"{ [i]: 0<=i<n }",
- "out[i] = 2*a[i]",
- lang_version=(2018, 1))
+ "out[i] = 2*a[i]")
# transform
# ---------
diff --git a/loopy/frontend/fortran/translator.py b/loopy/frontend/fortran/translator.py
index e801d09dcf10750ce09af647e0b14f4641fa1fb2..bcbe41874d8613eaabd84ae71dd65317558f0185 100644
--- a/loopy/frontend/fortran/translator.py
+++ b/loopy/frontend/fortran/translator.py
@@ -708,6 +708,7 @@ class F2LoopyTranslator(FTreeWalkerBase):
# }}}
+ from loopy.version import MOST_RECENT_LANGUAGE_VERSION
knl = lp.make_kernel(
sub.index_sets,
sub.instructions,
@@ -717,6 +718,7 @@ class F2LoopyTranslator(FTreeWalkerBase):
index_dtype=self.index_dtype,
target=self.target,
seq_dependencies=seq_dependencies,
+ lang_version=MOST_RECENT_LANGUAGE_VERSION
)
from loopy.loop import fuse_loop_domains
diff --git a/loopy/kernel/creation.py b/loopy/kernel/creation.py
index 15cb29c22eb85d321893cd235f600001ae12ff1a..f43bf849052bd410dd1159def4023a8417af577c 100644
--- a/loopy/kernel/creation.py
+++ b/loopy/kernel/creation.py
@@ -1920,6 +1920,11 @@ def make_kernel(domains, instructions, kernel_data=["..."], **kwargs):
If not given, this value defaults to version **(2017, 2, 1)** and
a warning will be issued.
+ If this is impractical, you may also place a global variable
+ ``LOOPY_KERNEL_LANGUAGE_VERSION`` in the global namespace of the
+ function calling :func:`make_kernel`. If *lang_version* is not
+ explicitly given, that its value will be used.
+
See also :ref:`language-versioning`.
.. versionchanged:: 2017.2.1
@@ -1972,18 +1977,32 @@ def make_kernel(domains, instructions, kernel_data=["..."], **kwargs):
lang_version = kwargs.pop("lang_version", None)
if lang_version is None:
- from warnings import warn
- from loopy.diagnostic import LoopyWarning
- from loopy.version import (
- MOST_RECENT_LANGUAGE_VERSION,
- FALLBACK_LANGUAGE_VERSION)
- warn("'lang_version' was not passed to make_kernel(). "
- "To avoid this warning, pass "
- "lang_version=%r in this invocation."
- % (MOST_RECENT_LANGUAGE_VERSION,),
- LoopyWarning, stacklevel=2)
-
- lang_version = FALLBACK_LANGUAGE_VERSION
+ # {{{ peek into caller's module to look for LOOPY_KERNEL_LANGUAGE_VERSION
+
+ # This *is* gross. But it seems like the right thing interface-wise.
+ import inspect
+ caller_globals = inspect.currentframe().f_back.f_globals
+
+ try:
+ lang_version = caller_globals["LOOPY_KERNEL_LANGUAGE_VERSION"]
+ except KeyError:
+ pass
+
+ # }}}
+
+ if lang_version is None:
+ from warnings import warn
+ from loopy.diagnostic import LoopyWarning
+ from loopy.version import (
+ MOST_RECENT_LANGUAGE_VERSION,
+ FALLBACK_LANGUAGE_VERSION)
+ warn("'lang_version' was not passed to make_kernel(). "
+ "To avoid this warning, pass "
+ "lang_version=%r in this invocation."
+ % (MOST_RECENT_LANGUAGE_VERSION,),
+ LoopyWarning, stacklevel=2)
+
+ lang_version = FALLBACK_LANGUAGE_VERSION
if lang_version >= (2018, 1):
options = options.copy(enforce_check_variable_access_ordered=True)
diff --git a/loopy/version.py b/loopy/version.py
index 21c920ce49074573a8597a09ee8f2407dfdd7b8b..49dca90fee59f2280df621d893163d4b3829b131 100644
--- a/loopy/version.py
+++ b/loopy/version.py
@@ -62,8 +62,12 @@ break existing programs, kernels now have to declare support for a given
language version to let them take advantage of this check.
As a result, :mod:`loopy` will now issue a warning when a call to
-:func:`loopy.make_kernel` does not declare a language version. Such kernels will
-(indefinitely) default to language version 2017.2.1.
+:func:`loopy.make_kernel` does not declare a language version. Such kernels
+will (indefinitely) default to language version 2017.2.1. If passing a
+language version to :func:`make_kernel` is impractical, you may also place a
+global variable ``LOOPY_KERNEL_LANGUAGE_VERSION`` in the global namespace of
+the function calling :func:`make_kernel`. If *lang_version* is not explicitly
+given, that its value will be used.
Language versions will generally reflect the version number of :mod:`loopy` in
which they were introduced, though it is possible that some versions of
diff --git a/test/test_apps.py b/test/test_apps.py
index c4844d3a3c5d88e0c4eeccf0d67e9b4284fd744f..55eecdf2baa59d7a0477f4e6bba801d52610ae6e 100644
--- a/test/test_apps.py
+++ b/test/test_apps.py
@@ -49,6 +49,9 @@ __all__ = [
]
+LOOPY_KERNEL_LANGUAGE_VERSION = (2018, 1)
+
+
# {{{ convolutions
def test_convolution(ctx_factory):
diff --git a/test/test_c_execution.py b/test/test_c_execution.py
index d1b3c95caa034191b4b29c49076fc101cd318950..582f3a105207c799d7e4f0fc88d2f0a5c367cc7e 100644
--- a/test/test_c_execution.py
+++ b/test/test_c_execution.py
@@ -40,6 +40,9 @@ else:
faulthandler.enable()
+LOOPY_KERNEL_LANGUAGE_VERSION = (2018, 1)
+
+
def test_c_target():
from loopy.target.c import ExecutableCTarget
diff --git a/test/test_dg.py b/test/test_dg.py
index ef4a3137324f012d8ad64939d0bf1ab8f00040fb..6688362aa679a1ea0aec7bbfdcb01386a1e640c7 100644
--- a/test/test_dg.py
+++ b/test/test_dg.py
@@ -34,6 +34,9 @@ from pyopencl.tools import ( # noqa
pytest_generate_tests_for_pyopencl as pytest_generate_tests)
+LOOPY_KERNEL_LANGUAGE_VERSION = (2018, 1)
+
+
def test_dg_volume(ctx_factory):
#logging.basicConfig(level=logging.DEBUG)
diff --git a/test/test_diff.py b/test/test_diff.py
index 95471f9b126fd6b763530d115c21509d14d2ba47..8a4fe9587e9397084ee943b21c8304f764458922 100644
--- a/test/test_diff.py
+++ b/test/test_diff.py
@@ -48,6 +48,9 @@ __all__ = [
]
+LOOPY_KERNEL_LANGUAGE_VERSION = (2018, 1)
+
+
def test_diff(ctx_factory):
ctx = ctx_factory()
queue = cl.CommandQueue(ctx)
diff --git a/test/test_domain.py b/test/test_domain.py
index 9d0379a50af188cc84de8e01f8278030b6cc04e2..d8a83007ad7c9bb85952c546db1c106145352416 100644
--- a/test/test_domain.py
+++ b/test/test_domain.py
@@ -52,6 +52,9 @@ __all__ = [
]
+LOOPY_KERNEL_LANGUAGE_VERSION = (2018, 1)
+
+
def test_assume(ctx_factory):
ctx = ctx_factory()
diff --git a/test/test_linalg.py b/test/test_linalg.py
index 3d422f1d8b5a847d4445468978ee529db95c481f..7eba5facbec91e9116f597b651813a9746e64fb9 100644
--- a/test/test_linalg.py
+++ b/test/test_linalg.py
@@ -62,6 +62,9 @@ def check_float4(result, ref_result):
ref_result[comp], result[comp], rtol=1e-3, atol=1e-3), None
+LOOPY_KERNEL_LANGUAGE_VERSION = (2018, 1)
+
+
def test_axpy(ctx_factory):
logging.basicConfig(level="INFO")
ctx = ctx_factory()
diff --git a/test/test_loopy.py b/test/test_loopy.py
index 02002c5cd844131ee82812c12763e37269373bd9..d9bc3d271cb7a3de8e2d56f1dc267e1c90e9e3db 100644
--- a/test/test_loopy.py
+++ b/test/test_loopy.py
@@ -52,6 +52,9 @@ __all__ = [
]
+LOOPY_KERNEL_LANGUAGE_VERSION = (2018, 1)
+
+
def test_globals_decl_once_with_multi_subprogram(ctx_factory):
ctx = ctx_factory()
queue = cl.CommandQueue(ctx)
@@ -67,8 +70,7 @@ def test_globals_decl_once_with_multi_subprogram(ctx_factory):
[lp.TemporaryVariable(
'cnst', shape=('n'), initializer=cnst,
scope=lp.temp_var_scope.GLOBAL,
- read_only=True), '...'],
- lang_version=(2018, 1))
+ read_only=True), '...'])
knl = lp.fix_parameters(knl, n=16)
knl = lp.add_barrier(knl, "id:first", "id:second")
@@ -89,8 +91,7 @@ def test_complicated_subst(ctx_factory):
h(x) := 1 + g(x) + 20*g$two(x)
a[i] = h$one(i) * h$two(i)
- """,
- lang_version=(2018, 1))
+ """)
knl = lp.expand_subst(knl, "... > id:h and tag:two > id:g and tag:two")
@@ -121,8 +122,7 @@ def test_type_inference_no_artificial_doubles(ctx_factory):
lp.GlobalArg("c", np.float32, shape=("n",)),
lp.ValueArg("n", np.int32),
],
- assumptions="n>=1",
- lang_version=(2018, 1))
+ assumptions="n>=1")
knl = lp.preprocess_kernel(knl, ctx.devices[0])
for k in lp.generate_loop_schedules(knl):
@@ -142,9 +142,7 @@ def test_type_inference_with_type_dependencies():
c = b + c
<>d = b + 2 + 1j
""",
- "...",
- lang_version=(2018, 1))
-
+ "...")
knl = lp.infer_unknown_types(knl)
from loopy.types import to_loopy_type
diff --git a/test/test_misc.py b/test/test_misc.py
index 0273948b38b28b85e42a600bffb65fbf86dcc554..c1ae6c5329eb963164bca089139e70879b8e6654 100644
--- a/test/test_misc.py
+++ b/test/test_misc.py
@@ -32,6 +32,9 @@ import logging
logger = logging.getLogger(__name__)
+LOOPY_KERNEL_LANGUAGE_VERSION = (2018, 1)
+
+
def test_compute_sccs():
from loopy.tools import compute_sccs
import random
diff --git a/test/test_nbody.py b/test/test_nbody.py
index e118b04b997020943d79ec1ba566eff85d56199a..f231dfd5b6c58ebeb69ebecd215b33899f93f446 100644
--- a/test/test_nbody.py
+++ b/test/test_nbody.py
@@ -34,6 +34,9 @@ import logging
logger = logging.getLogger(__name__)
+LOOPY_KERNEL_LANGUAGE_VERSION = (2018, 1)
+
+
def test_nbody(ctx_factory):
logging.basicConfig(level=logging.INFO)
diff --git a/test/test_numa_diff.py b/test/test_numa_diff.py
index eff3dbd0e07439bbec399479183a7e9ddb69b9ff..a5c69020af58926846545e64f3550e7b6953c671 100644
--- a/test/test_numa_diff.py
+++ b/test/test_numa_diff.py
@@ -44,6 +44,9 @@ __all__ = [
]
+LOOPY_KERNEL_LANGUAGE_VERSION = (2018, 1)
+
+
@pytest.mark.parametrize("Nq", [7])
@pytest.mark.parametrize("ilp_multiple", [1, 2])
@pytest.mark.parametrize("opt_level", [11])
diff --git a/test/test_reduction.py b/test/test_reduction.py
index 909a800b29c75b13fad494b5a859186b9cd5587c..1ddbbfebf91e3f82c0d317db525a2033bfb97d81 100644
--- a/test/test_reduction.py
+++ b/test/test_reduction.py
@@ -49,6 +49,9 @@ __all__ = [
]
+LOOPY_KERNEL_LANGUAGE_VERSION = (2018, 1)
+
+
def test_nonsense_reduction(ctx_factory):
ctx = ctx_factory()
diff --git a/test/test_scan.py b/test/test_scan.py
index 08754819c9a156403aba689cb3e9c238144e7905..228453fd855b5e55e0b748d4eb9d2a67ed8e9fdb 100644
--- a/test/test_scan.py
+++ b/test/test_scan.py
@@ -56,6 +56,9 @@ __all__ = [
# - scan(a) + scan(b)
# - test for badly tagged inames
+LOOPY_KERNEL_LANGUAGE_VERSION = (2018, 1)
+
+
@pytest.mark.parametrize("n", [1, 2, 3, 16])
@pytest.mark.parametrize("stride", [1, 2])
def test_sequential_scan(ctx_factory, n, stride):
diff --git a/test/test_sem_reagan.py b/test/test_sem_reagan.py
index 0571e41910020aa0a60cd911a63b6ce2984ed939..a92f2b2abb109a33a78b2fa8eeb45748b0090377 100644
--- a/test/test_sem_reagan.py
+++ b/test/test_sem_reagan.py
@@ -31,6 +31,9 @@ from pyopencl.tools import ( # noqa
pytest_generate_tests_for_pyopencl as pytest_generate_tests)
+LOOPY_KERNEL_LANGUAGE_VERSION = (2018, 1)
+
+
def test_tim2d(ctx_factory):
dtype = np.float32
ctx = ctx_factory()
diff --git a/test/test_statistics.py b/test/test_statistics.py
index eeb4a5a288afdd5b9295b0b681abb61b5f021d97..9427a4edf79e4183a8c9436d7a56320a408dddc6 100644
--- a/test/test_statistics.py
+++ b/test/test_statistics.py
@@ -34,6 +34,9 @@ import numpy as np
from pymbolic.primitives import Variable
+LOOPY_KERNEL_LANGUAGE_VERSION = (2018, 1)
+
+
def test_op_counter_basic():
knl = lp.make_kernel(
diff --git a/test/test_target.py b/test/test_target.py
index d3cf2670cb0db0eb5d0046ce1d816b679d4a1ed8..8fd565a8158db988039aae94babd8b865e495077 100644
--- a/test/test_target.py
+++ b/test/test_target.py
@@ -52,6 +52,9 @@ __all__ = [
]
+LOOPY_KERNEL_LANGUAGE_VERSION = (2018, 1)
+
+
def test_ispc_target(occa_mode=False):
from loopy.target.ispc import ISPCTarget
diff --git a/test/test_transform.py b/test/test_transform.py
index 0e10db362f36b7fc258059c2ec7ed1a344b97212..feb8bf9df5e31a1017efc1eca3fdf872f0e9ab96 100644
--- a/test/test_transform.py
+++ b/test/test_transform.py
@@ -49,6 +49,9 @@ __all__ = [
]
+LOOPY_KERNEL_LANGUAGE_VERSION = (2018, 1)
+
+
def test_chunk_iname(ctx_factory):
ctx = ctx_factory()