class gridDim(Stub):
'''gridDim.{x, y}
'''
_description_ = '<gridDim.{x,y,z}>'
x = macro.Macro('nctaid.x', SREG_SIGNATURE)
y = macro.Macro('nctaid.y', SREG_SIGNATURE)
z = macro.Macro('nctaid.z', SREG_SIGNATURE)
class threadIdx(Stub):
'''threadIdx.{x, y, z}
'''
_description_ = '<threadIdx.{x,y,z}>'
x = macro.Macro('tid.x', SREG_SIGNATURE)
y = macro.Macro('tid.y', SREG_SIGNATURE)
z = macro.Macro('tid.z', SREG_SIGNATURE)
class blockIdx(Stub):
'''blockIdx.{x, y}
'''
_description_ = '<blockIdx.{x,y,z}>'
x = macro.Macro('ctaid.x', SREG_SIGNATURE)
y = macro.Macro('ctaid.y', SREG_SIGNATURE)
z = macro.Macro('ctaid.z', SREG_SIGNATURE)
class gridDim(Stub):
'''
The shape of the grid of blocks, accressed through the attributes ``x``,
``y``, and ``z``.
'''
_description_ = '<gridDim.{x,y,z}>'
x = macro.Macro('nctaid.x', SREG_SIGNATURE)
y = macro.Macro('nctaid.y', SREG_SIGNATURE)
z = macro.Macro('nctaid.z', SREG_SIGNATURE)
class blockDim(Stub):
'''
The shape of a block of threads, as declared when instantiating the
kernel. This value is the same for all threads in a given kernel, even
if they belong to different blocks (i.e. each block is "full").
'''
x = macro.Macro('ntid.x', SREG_SIGNATURE)
y = macro.Macro('ntid.y', SREG_SIGNATURE)
z = macro.Macro('ntid.z', SREG_SIGNATURE)
class blockIdx(Stub):
'''
The block indices in the grid of thread blocks, accessed through the
attributes ``x``, ``y``, and ``z``. Each index is an integer spanning the
range from 0 inclusive to the corresponding value of the attribute in
:attr:`numba.cuda.gridDim` exclusive.
'''
_description_ = '<blockIdx.{x,y,z}>'
x = macro.Macro('ctaid.x', SREG_SIGNATURE)
y = macro.Macro('ctaid.y', SREG_SIGNATURE)
z = macro.Macro('ctaid.z', SREG_SIGNATURE)
class const(Stub):
'''shared namespace
'''
_description_ = '<const>'
array_like = macro.Macro('const.array_like', const_array_like,
callable=True, argnames=['ary'])
class local(Stub):
'''shared namespace
'''
_description_ = '<local>'
array = macro.Macro('local.array', local_array, callable=True,
argnames=['shape', 'dtype'])
class shared(Stub):
"""shared namespace
"""
_description_ = '<shared>'
array = macro.Macro('shared.array', shared_array, callable=True,
argnames=['shape', 'dtype'])
class const(Stub):
'''
Constant memory namespace.
'''
_description_ = '<const>'
array_like = macro.Macro('const.array_like', const_array_like,
callable=True, argnames=['ary'])
'''
class blockDim(Stub):
'''blockDim.{x, y, z}
'''
x = macro.Macro('ntid.x', SREG_SIGNATURE)
y = macro.Macro('ntid.y', SREG_SIGNATURE)
z = macro.Macro('ntid.z', SREG_SIGNATURE)
return x, y
"""
if ndim == 1:
fname = "ptx.grid.1d"
restype = types.int32
elif ndim == 2:
fname = "ptx.grid.2d"
restype = types.UniTuple(types.int32, 2)
else:
raise ValueError('argument can only be 1 or 2')
return ir.Intrinsic(fname, typing.signature(restype, types.intp),
args=[ndim])
grid = macro.Macro('ptx.grid', grid_expand, callable=True)
#-------------------------------------------------------------------------------
# Gridsize Macro
def gridsize_expand(ndim):
"""gridsize(ndim)
ndim: [int] 1 or 2
if ndim == 1:
return cuda.blockDim.x * cuda.gridDim.x
elif ndim == 2:
x = cuda.blockDim.x * cuda.gridDim.x
y = cuda.blockDim.y * cuda.gridDim.y
return x, y
y = macro.Macro('ntid.y', SREG_SIGNATURE)
z = macro.Macro('ntid.z', SREG_SIGNATURE)
class gridDim(Stub):
'''
The shape of the grid of blocks, accressed through the attributes ``x``,
``y``, and ``z``.
'''
_description_ = '<gridDim.{x,y,z}>'
x = macro.Macro('nctaid.x', SREG_SIGNATURE)
y = macro.Macro('nctaid.y', SREG_SIGNATURE)
z = macro.Macro('nctaid.z', SREG_SIGNATURE)
warpsize = macro.Macro('warpsize', SREG_SIGNATURE)
laneid = macro.Macro('laneid', SREG_SIGNATURE)
#-------------------------------------------------------------------------------
# Grid Macro
def _ptx_grid1d():
pass
def _ptx_grid2d():
pass
def grid_expand(ndim):