def fn():
s = lltype.malloc(S)
s.u = lltype.malloc(U)
a = lltype.malloc(A, 1000)
gcref1 = lltype.cast_opaque_ptr(llmemory.GCREF, s)
int1 = rgc.get_rpy_memory_usage(gcref1)
assert 8 <= int1 <= 32
gcref2 = lltype.cast_opaque_ptr(llmemory.GCREF, s.u)
int2 = rgc.get_rpy_memory_usage(gcref2)
assert 4 * 9 <= int2 <= 8 * 12
gcref3 = lltype.cast_opaque_ptr(llmemory.GCREF, a)
int3 = rgc.get_rpy_memory_usage(gcref3)
assert 4 * 1001 <= int3 <= 8 * 1010
return 0
def test_get_memory_usage():
class X(object):
pass
x1 = X()
n = rgc.get_rpy_memory_usage(rgc.cast_instance_to_gcref(x1))
assert n >= 8 and n <= 64
def get_rpy_memory_usage(space, w_obj):
"""Return the memory usage of just the given object or GcRef.
This does not include the internal structures of the object."""
gcref = unwrap(space, w_obj)
size = rgc.get_rpy_memory_usage(gcref)
if size < 0:
raise missing_operation(space)
return space.wrap(size)
def get_rpy_memory_usage(space, w_obj):
"""Return the memory usage of just the given object or GcRef.
This does not include the internal structures of the object."""
gcref = unwrap(space, w_obj)
size = rgc.get_rpy_memory_usage(gcref)
if size < 0:
raise missing_operation(space)
return space.newint(size)
def sizeOf(self):
"""
The number of bytes occupied by this object.
The default implementation will nearly always suffice unless some
private data is attached to the object. Private data should only be
accounted if it does not reference any Monte-visible object.
"""
return rgc.get_rpy_memory_usage(self)
def sizeOf(self):
"""
The number of bytes occupied by this object.
The default implementation will nearly always suffice unless some
private data is attached to the object. Private data should only be
accounted if it does not reference any Monte-visible object.
"""
return rgc.get_rpy_memory_usage(self)
def test_get_memory_usage():
class X(object):
pass
x1 = X()
n = rgc.get_rpy_memory_usage(rgc.cast_instance_to_gcref(x1))
assert n >= 8 and n <= 64
def sizeOf(self):
return (rgc.get_rpy_memory_usage(self) +
rgc.get_rpy_memory_usage(self.bi))
def sizeOf(self):
return (rgc.get_rpy_memory_usage(self) +
rgc.get_rpy_memory_usage(self.bi))
