Age | Commit message (Collapse) | Author |
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Implement a generalized Cache<K, V>. Two variants are provided: the
first one is based on std::map, using C++14-specific transparent
std::less<> and generalized std::map::find() to allow searching by tuple
of references. The second one is based on std::vector and O(n) lookup,
but remains C++11-compliant.
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This is to avoid spurious "induced" errors on destruction, if construction
failed for some reason.
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The stored source/binary does not seem to serve any purpose, yet its
presence makes Program a heavy (not pure refcounted) object, which is
undesired esp. because it is copied from the cache in the hot path.
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Since the codebase is designed around proper C++ idioms such as RAII, it
makes sense to only use C++ exceptions internally instead of mixing
exceptions and error codes. The exceptions are now caught at top level
to preserve compatibility with the existing error code-based API.
Note that we deliberately do not catch C++ runtime errors (such as
`std::bad_alloc`) nor logic errors (aka failed assertions) because no
actual handling can ever happen for such errors.
However, in the C interface we do catch _all_ exceptions (...) and
convert them into a wild-card error code.
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support empty LWS
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Make sure all out parameters that are passed to functions such
as clGetDeviceInfo are large enough to contain the replies.
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compilation and kernel execution to screen
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In LocalMemUsage(), there's a first call to clGetKernelWorkGroupInfo
to get the "bytes" amount needed to store the result from
CL_KERNEL_LOCAL_MEM_SIZE. However, the actual value passed is an
"auto result = size_t", which in 32-bit mode is 4 bytes, regardless
of the previous return value. The spec describes that it will actually
be a cl_ulong which is 8 bytes. To prevent stack corruption, make sure
we are in fact passing a cl_ulong.
Also adjust all callers to take the changed type into account.
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