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Dispatch.h
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Dispatch.h
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#pragma once
#include <c10/core/ScalarType.h>
#include <c10/macros/Macros.h>
#include <c10/util/Exception.h>
#include <c10/util/Half.h>
#include <c10/util/Metaprogramming.h>
#include <c10/util/complex.h>
#include <c10/util/string_view.h>
#ifdef __CUDACC__
#include <cuda.h> // For CUDA_VERSION
#endif
#ifdef TEMPLATE_SELECTIVE_BUILD
#include <ATen/selected_mobile_ops.h>
#else
namespace at {
/**
* The method should_include_kernel_dtype() returns true/false
* based on whether the switching code for a specific dtype should be
* included based on build time constants generated from tracing model
* execution. This method will be implemented via code-generation and
* included in this file when code-gen is ready.
*/
inline constexpr bool should_include_kernel_dtype(
const char* /*kernel_tag_str*/,
at::ScalarType /*scalar_type*/
) {
return true;
}
} // namespace at
#endif
/**
* In the Facebook internal build (using BUCK), this macro is enabled by
* passing in -c pt.enable_record_kernel_dtype=1 when building the tracer
* binary.
*/
#if defined ENABLE_RECORD_KERNEL_FUNCTION_DTYPE
namespace at::detail {
TORCH_API void record_kernel_function_dtype(std::string name);
} // namespace at::detail
#define RECORD_KERNEL_FUNCTION_DTYPE(NAME, enum_type) \
at::detail::record_kernel_function_dtype( \
std::string(NAME) + "$" + toString(enum_type));
#else
#define RECORD_KERNEL_FUNCTION_DTYPE(NAME, enum_type)
#endif
#define AT_PRIVATE_CHECK_SELECTIVE_BUILD(enum_type) \
do { \
if constexpr (!at::should_include_kernel_dtype( \
at_dispatch_name, enum_type)) { \
TORCH_CHECK( \
false, \
"dtype '", \
toString(enum_type), \
"' not selected for kernel tag ", \
at_dispatch_name); \
} \
} while (0)
#define AT_PRIVATE_CASE_TYPE_USING_HINT(enum_type, HINT, ...) \
case enum_type: { \
AT_PRIVATE_CHECK_SELECTIVE_BUILD(enum_type); \
using HINT [[maybe_unused]] = c10::impl::ScalarTypeToCPPTypeT<enum_type>; \
return __VA_ARGS__(); \
}
#define AT_DISPATCH_CASE(enum_type, ...) \
AT_PRIVATE_CASE_TYPE_USING_HINT(enum_type, scalar_t, __VA_ARGS__)
#define AT_DISPATCH_CASE_QINT(enum_type, scalar_type, ...) \
case enum_type: { \
AT_PRIVATE_CHECK_SELECTIVE_BUILD(enum_type); \
using scalar_t = scalar_type; \
using underlying_t [[maybe_unused]] = typename scalar_t::underlying; \
[[maybe_unused]] const auto& SCALAR_TYPE = enum_type; \
[[maybe_unused]] const auto& UNDERLYING_TYPE = toUnderlying(enum_type); \
return __VA_ARGS__(); \
}
#define AT_QINT_SUB_BYTE_PRIVATE_CASE_TYPE( \
enum_type, scalar_type, bitwidth, qmin, qmax, ...) \
case enum_type: { \
AT_PRIVATE_CHECK_SELECTIVE_BUILD(enum_type); \
using scalar_t = scalar_type; \
using underlying_t [[maybe_unused]] = typename scalar_t::underlying; \
[[maybe_unused]] const auto& SCALAR_TYPE = enum_type; \
[[maybe_unused]] const auto& UNDERLYING_TYPE = toUnderlying(enum_type); \
[[maybe_unused]] int bit_width = bitwidth; \
[[maybe_unused]] int64_t quant_min = qmin; \
[[maybe_unused]] int64_t quant_max = qmax; \
return __VA_ARGS__(); \
}
namespace detail {
inline at::ScalarType scalar_type(at::ScalarType s) {
return s;
}
} // namespace detail
// The AT_DISPATCH_* family of macros provides the ability to
// conveniently generate specializations of a kernel over all of the
// dtypes we care about in PyTorch. We call it "dispatch" because
// we are "dispatching" to the correct, dtype-specific kernel.
//
// A standard usage looks like:
//
// AT_DISPATCH_ALL_TYPES(self.scalar_type(), "op_name", [&] {
// // Your code here, with 'scalar_t' now defined to
// // be the dtype in question
// });
//
// There are many variations of this macro, so it's important to
// understand exactly /which/ dtypes you want to get instantiated, as
// well as what the "default" set is.
//
// The default set of dtypes that are instantiated (e.g., by
// AT_DISPATCH_ALL_TYPES) are floating point types (float, double),
// and integral types (int32_t, int64_t, int16_t, int8_t, uint8_t),
// but NOT booleans (bool), half-precision floats (Half) or
// complex number (c10::complex<float>, c10::complex<double>).
// This "cut" is somewhat historical (the default types are the
// ones that TH historically supported), but it also reflects the
// fact that the non-default types are "poorly" behaved (booleans
// are NOT integers mod 2, half precision operations ~essentially
// don't exist on CPU, complex numbers are an experimental application).
//
// Here are the questions you should generally ask to decide which
// dispatch you want:
//
// 1. Is this an integral or floating point specific operation?
// (If so, you'll want one of the FLOATING or INTEGRAL macros.)
//
// 2. Should half be supported? (If you're on CPU, the answer is almost
// definitely no. If you do want support, use one of the AND_HALF
// macros)
//
// Much rarer situations:
//
// 3. Should bool be supported? (You often have to write your kernel
// differently if arithmetic operations are involved.) If so,
// Use AT_DISPATCH_ALL_TYPES_AND along with ScalarType::Bool
//
// 4. Should complex be supported? The answer is almost always no,
// unless you are working on "generic" code that should work on
// all dtypes.
//
// Parameters:
// -----------
//
// 1. The NAME argument is a "tag" that is used to trace and then
// conditionally compile fragments of the case statements such
// that the kernel functions are specialized only for the dtypes
// that are needed. The NAME parameter *must* be a build time
// const char* (can't be std::string, etc...)
//
// Please ensure that the NAME is unique for every implementation
// or you run the risk of over-including code for the kernel
// functions. There is no risk of missing out on any code, so
// it's mostly a risk of a Type-2 error, and not a Type-1 error.
//
// Switch-like syntax:
// -------------------
// There is also a switch-case like syntax which is useful if a kernel
// needs to be specialized for particular scalar types
//
// AT_DISPATCH_SWITCH(self.scalar_type(), "op_name",
// AT_DISPATCH_CASE_INTEGRAL_TYPES([&] {
// op_integral<scalar_t>(iter);
// })
// AT_DISPATCH_CASE_FLOATING_TYPES([&] {
// op_floating<scalar_t>(iter);
// })
// AT_DISPATCH_CASE(kBool, [&] {
// op_bool(iter);
// })
// );
//
// For each AT_DISPATCH_FOO macro, there is a corresponding
// AT_DISPATCH_CASE_FOO macro which can be used inside of an
// AT_DISPATCH_SWITCH block.
// NB: the the_type variable is not used, but we have kept it for
// backwards compatibility. It's probably not used by anyone though;
// but we're just being safe (and it doesn't hurt.) Note we must
// use it to shut up warnings about unused store.
#define AT_DISPATCH_SWITCH(TYPE, NAME, ...) \
[&] { \
const auto& the_type = TYPE; \
constexpr const char* at_dispatch_name = NAME; \
/* don't use TYPE again in case it is an expensive or side-effect op */ \
at::ScalarType _st = ::detail::scalar_type(the_type); \
RECORD_KERNEL_FUNCTION_DTYPE(at_dispatch_name, _st); \
switch (_st) { \
__VA_ARGS__ \
default: \
TORCH_CHECK( \
false, \
'"', \
at_dispatch_name, \
"\" not implemented for '", \
toString(_st), \
"'"); \
} \
}()
#define AT_DISPATCH_CASE_FLOATING_TYPES(...) \
AT_DISPATCH_CASE(at::ScalarType::Double, __VA_ARGS__) \
AT_DISPATCH_CASE(at::ScalarType::Float, __VA_ARGS__)
#define AT_DISPATCH_FLOATING_TYPES(TYPE, NAME, ...) \
AT_DISPATCH_SWITCH(TYPE, NAME, AT_DISPATCH_CASE_FLOATING_TYPES(__VA_ARGS__))
#define AT_DISPATCH_CASE_FLOATING_TYPES_AND_HALF(...) \
AT_DISPATCH_CASE(at::ScalarType::Double, __VA_ARGS__) \
AT_DISPATCH_CASE(at::ScalarType::Float, __VA_ARGS__) \
AT_DISPATCH_CASE(at::ScalarType::Half, __VA_ARGS__)
#define AT_DISPATCH_FLOATING_TYPES_AND_HALF(TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, NAME, AT_DISPATCH_CASE_FLOATING_TYPES_AND_HALF(__VA_ARGS__))
#define AT_DISPATCH_CASE_REDUCED_FLOATING_TYPES(...) \
AT_DISPATCH_CASE(at::ScalarType::Half, __VA_ARGS__) \
AT_DISPATCH_CASE(at::ScalarType::BFloat16, __VA_ARGS__)
#define AT_DISPATCH_REDUCED_FLOATING_TYPES(TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, NAME, AT_DISPATCH_CASE_REDUCED_FLOATING_TYPES(__VA_ARGS__))
#define AT_DISPATCH_CASE_FLOATING_TYPES_AND(SCALARTYPE, ...) \
AT_DISPATCH_CASE_FLOATING_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE, __VA_ARGS__)
#define AT_DISPATCH_FLOATING_TYPES_AND(SCALARTYPE, TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_FLOATING_TYPES_AND(SCALARTYPE, __VA_ARGS__))
#define AT_DISPATCH_CASE_FLOATING_TYPES_AND2(SCALARTYPE1, SCALARTYPE2, ...) \
AT_DISPATCH_CASE_FLOATING_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE1, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE2, __VA_ARGS__)
#define AT_DISPATCH_FLOATING_TYPES_AND2( \
SCALARTYPE1, SCALARTYPE2, TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_FLOATING_TYPES_AND2( \
SCALARTYPE1, SCALARTYPE2, __VA_ARGS__))
#define AT_DISPATCH_CASE_FLOATING_TYPES_AND3( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, ...) \
AT_DISPATCH_CASE_FLOATING_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE1, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE2, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE3, __VA_ARGS__)
#define AT_DISPATCH_FLOATING_TYPES_AND3( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_FLOATING_TYPES_AND3( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, __VA_ARGS__))
#define AT_DISPATCH_CASE_FLOATING_TYPES_AND4( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, SCALARTYPE4, ...) \
AT_DISPATCH_CASE_FLOATING_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE1, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE2, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE3, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE4, __VA_ARGS__)
#define AT_DISPATCH_CASE_FLOATING_TYPES_AND5( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, SCALARTYPE4, SCALARTYPE5, ...) \
AT_DISPATCH_CASE_FLOATING_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE1, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE2, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE3, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE4, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE5, __VA_ARGS__)
#define AT_DISPATCH_FLOATING_TYPES_AND4( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, SCALARTYPE4, TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_FLOATING_TYPES_AND4( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, SCALARTYPE4, __VA_ARGS__))
#define AT_DISPATCH_FLOATING_TYPES_AND5( \
SCALARTYPE1, \
SCALARTYPE2, \
SCALARTYPE3, \
SCALARTYPE4, \
SCALARTYPE5, \
TYPE, \
NAME, \
...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_FLOATING_TYPES_AND5( \
SCALARTYPE1, \
SCALARTYPE2, \
SCALARTYPE3, \
SCALARTYPE4, \
SCALARTYPE5, \
__VA_ARGS__))
#define AT_DISPATCH_CASE_COMPLEX_TYPES(...) \
AT_DISPATCH_CASE(at::ScalarType::ComplexDouble, __VA_ARGS__) \
AT_DISPATCH_CASE(at::ScalarType::ComplexFloat, __VA_ARGS__)
#define AT_DISPATCH_COMPLEX_TYPES(TYPE, NAME, ...) \
AT_DISPATCH_SWITCH(TYPE, NAME, AT_DISPATCH_CASE_COMPLEX_TYPES(__VA_ARGS__))
#define AT_DISPATCH_CASE_COMPLEX_TYPES_AND(SCALARTYPE, ...) \
AT_DISPATCH_CASE_COMPLEX_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE, __VA_ARGS__)
#define AT_DISPATCH_COMPLEX_TYPES_AND(SCALARTYPE, TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, NAME, AT_DISPATCH_CASE_COMPLEX_TYPES_AND(SCALARTYPE, __VA_ARGS__))
#define AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES(...) \
AT_DISPATCH_CASE_FLOATING_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE_COMPLEX_TYPES(__VA_ARGS__)
#define AT_DISPATCH_FLOATING_AND_COMPLEX_TYPES(TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, NAME, AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES(__VA_ARGS__))
#define AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES_AND1(SCALARTYPE, ...) \
AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE, __VA_ARGS__)
#define AT_DISPATCH_FLOATING_AND_COMPLEX_TYPES_AND1( \
SCALARTYPE, TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES_AND1( \
SCALARTYPE, __VA_ARGS__))
#define AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES_AND2( \
SCALARTYPE1, SCALARTYPE2, ...) \
AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE1, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE2, __VA_ARGS__)
#define AT_DISPATCH_FLOATING_AND_COMPLEX_TYPES_AND2( \
SCALARTYPE1, SCALARTYPE2, TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES_AND2( \
SCALARTYPE1, SCALARTYPE2, __VA_ARGS__))
#define AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES_AND3( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, ...) \
AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE1, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE2, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE3, __VA_ARGS__)
#define AT_DISPATCH_FLOATING_AND_COMPLEX_TYPES_AND3( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES_AND3( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, __VA_ARGS__))
#define AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES_AND4( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, SCALARTYPE4, ...) \
AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE1, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE2, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE3, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE4, __VA_ARGS__)
#define AT_DISPATCH_FLOATING_AND_COMPLEX_TYPES_AND4( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, SCALARTYPE4, TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES_AND4( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, SCALARTYPE4, __VA_ARGS__))
#define AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES_AND5( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, SCALARTYPE4, SCALARTYPE5, ...) \
AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE1, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE2, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE3, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE4, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE5, __VA_ARGS__)
#define AT_DISPATCH_FLOATING_AND_COMPLEX_TYPES_AND5( \
SCALARTYPE1, \
SCALARTYPE2, \
SCALARTYPE3, \
SCALARTYPE4, \
SCALARTYPE5, \
TYPE, \
NAME, \
...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES_AND5( \
SCALARTYPE1, \
SCALARTYPE2, \
SCALARTYPE3, \
SCALARTYPE4, \
SCALARTYPE5, \
__VA_ARGS__))
#define AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES_AND6( \
SCALARTYPE1, \
SCALARTYPE2, \
SCALARTYPE3, \
SCALARTYPE4, \
SCALARTYPE5, \
SCALARTYPE6, \
...) \
AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE1, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE2, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE3, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE4, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE5, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE6, __VA_ARGS__)
#define AT_DISPATCH_FLOATING_AND_COMPLEX_TYPES_AND6( \
SCALARTYPE1, \
SCALARTYPE2, \
SCALARTYPE3, \
SCALARTYPE4, \
SCALARTYPE5, \
SCALARTYPE6, \
TYPE, \
NAME, \
...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_FLOATING_AND_COMPLEX_TYPES_AND6( \
SCALARTYPE1, \
SCALARTYPE2, \
SCALARTYPE3, \
SCALARTYPE4, \
SCALARTYPE5, \
SCALARTYPE6, \
__VA_ARGS__))
#define AT_DISPATCH_CASE_INTEGRAL_TYPES(...) \
AT_DISPATCH_CASE(at::ScalarType::Byte, __VA_ARGS__) \
AT_DISPATCH_CASE(at::ScalarType::Char, __VA_ARGS__) \
AT_DISPATCH_CASE(at::ScalarType::Int, __VA_ARGS__) \
AT_DISPATCH_CASE(at::ScalarType::Long, __VA_ARGS__) \
AT_DISPATCH_CASE(at::ScalarType::Short, __VA_ARGS__)
#define AT_DISPATCH_INTEGRAL_TYPES(TYPE, NAME, ...) \
AT_DISPATCH_SWITCH(TYPE, NAME, AT_DISPATCH_CASE_INTEGRAL_TYPES(__VA_ARGS__))
#define AT_DISPATCH_CASE_INTEGRAL_TYPES_AND(SCALARTYPE, ...) \
AT_DISPATCH_CASE_INTEGRAL_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE, __VA_ARGS__)
#define AT_DISPATCH_INTEGRAL_TYPES_AND(SCALARTYPE, TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_INTEGRAL_TYPES_AND(SCALARTYPE, __VA_ARGS__))
#define AT_DISPATCH_CASE_ALL_TYPES(...) \
AT_DISPATCH_CASE_INTEGRAL_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE_FLOATING_TYPES(__VA_ARGS__)
#define AT_DISPATCH_ALL_TYPES(TYPE, NAME, ...) \
AT_DISPATCH_SWITCH(TYPE, NAME, AT_DISPATCH_CASE_ALL_TYPES(__VA_ARGS__))
#define AT_DISPATCH_CASE_QINT_TYPES(...) \
AT_DISPATCH_CASE_QINT(at::kQInt8, at::qint8, __VA_ARGS__) \
AT_DISPATCH_CASE_QINT(at::kQUInt8, at::quint8, __VA_ARGS__) \
AT_DISPATCH_CASE_QINT(at::kQInt32, at::qint32, __VA_ARGS__)
#define AT_DISPATCH_QINT_TYPES(TYPE, NAME, ...) \
AT_DISPATCH_SWITCH(TYPE, NAME, AT_DISPATCH_CASE_QINT_TYPES(__VA_ARGS__))
#define AT_DISPATCH_CASE_QINT_TYPES_AND(SCALARTYPE, ...) \
AT_DISPATCH_CASE_QINT_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE, __VA_ARGS__)
#define AT_DISPATCH_QINT_TYPES_AND(SCALARTYPE, TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, NAME, AT_DISPATCH_CASE_QINT_TYPES_AND(SCALARTYPE, __VA_ARGS__))
#define AT_DISPATCH_CASE_QINT_BYTE_TYPES(...) \
AT_DISPATCH_CASE_QINT(at::kQInt8, at::qint8, __VA_ARGS__) \
AT_DISPATCH_CASE_QINT(at::kQUInt8, at::quint8, __VA_ARGS__)
#define AT_DISPATCH_QINT_BYTE_TYPES(TYPE, NAME, ...) \
AT_DISPATCH_SWITCH(TYPE, NAME, AT_DISPATCH_CASE_QINT_BYTE_TYPES(__VA_ARGS__))
#define AT_DISPATCH_CASE_QINT_AND_SUB_BYTE_TYPES(...) \
AT_QINT_SUB_BYTE_PRIVATE_CASE_TYPE( \
at::kQInt8, at::qint8, CHAR_BIT, SCHAR_MIN, SCHAR_MAX, __VA_ARGS__) \
AT_QINT_SUB_BYTE_PRIVATE_CASE_TYPE( \
at::kQUInt8, at::quint8, CHAR_BIT, 0, UCHAR_MAX, __VA_ARGS__) \
AT_QINT_SUB_BYTE_PRIVATE_CASE_TYPE( \
at::kQInt32, \
at::qint32, \
CHAR_BIT * sizeof(int), \
INT_MIN, \
INT_MAX, \
__VA_ARGS__) \
AT_QINT_SUB_BYTE_PRIVATE_CASE_TYPE( \
at::kQUInt4x2, at::quint4x2, 4, 0, 15, __VA_ARGS__) \
AT_QINT_SUB_BYTE_PRIVATE_CASE_TYPE( \
at::kQUInt2x4, at::quint2x4, 2, 0, 3, __VA_ARGS__)
#define AT_DISPATCH_QINT_AND_SUB_BYTE_TYPES(TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, NAME, AT_DISPATCH_CASE_QINT_AND_SUB_BYTE_TYPES(__VA_ARGS__))
#define AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX(...) \
AT_DISPATCH_CASE_ALL_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE_COMPLEX_TYPES(__VA_ARGS__)
#define AT_DISPATCH_ALL_TYPES_AND_COMPLEX(TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, NAME, AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX(__VA_ARGS__))
#define AT_DISPATCH_CASE_ALL_TYPES_AND(SCALARTYPE, ...) \
AT_DISPATCH_CASE_ALL_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE, __VA_ARGS__)
#define AT_DISPATCH_ALL_TYPES_AND(SCALARTYPE, TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, NAME, AT_DISPATCH_CASE_ALL_TYPES_AND(SCALARTYPE, __VA_ARGS__))
#define AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX_AND(SCALARTYPE, ...) \
AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE, __VA_ARGS__)
#define AT_DISPATCH_ALL_TYPES_AND_COMPLEX_AND(SCALARTYPE, TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX_AND(SCALARTYPE, __VA_ARGS__))
#define AT_DISPATCH_CASE_ALL_TYPES_AND2(SCALARTYPE1, SCALARTYPE2, ...) \
AT_DISPATCH_CASE_ALL_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE1, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE2, __VA_ARGS__)
#define AT_DISPATCH_ALL_TYPES_AND2(SCALARTYPE1, SCALARTYPE2, TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_ALL_TYPES_AND2(SCALARTYPE1, SCALARTYPE2, __VA_ARGS__))
#define AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX_AND2( \
SCALARTYPE1, SCALARTYPE2, ...) \
AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE1, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE2, __VA_ARGS__)
#define AT_DISPATCH_ALL_TYPES_AND_COMPLEX_AND2( \
SCALARTYPE1, SCALARTYPE2, TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX_AND2( \
SCALARTYPE1, SCALARTYPE2, __VA_ARGS__))
#define AT_DISPATCH_CASE_ALL_TYPES_AND3( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, ...) \
AT_DISPATCH_CASE_ALL_TYPES(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE1, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE2, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE3, __VA_ARGS__)
#define AT_DISPATCH_ALL_TYPES_AND3( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_ALL_TYPES_AND3( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, __VA_ARGS__))
#define AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX_AND3( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, ...) \
AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE1, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE2, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE3, __VA_ARGS__)
#define AT_DISPATCH_ALL_TYPES_AND_COMPLEX_AND3( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX_AND3( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, __VA_ARGS__))
#define AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX_AND4( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, SCALARTYPE4, ...) \
AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE1, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE2, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE3, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE4, __VA_ARGS__)
#define AT_DISPATCH_ALL_TYPES_AND_COMPLEX_AND4( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, SCALARTYPE4, TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX_AND4( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, SCALARTYPE4, __VA_ARGS__))
#define AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX_AND5( \
SCALARTYPE1, SCALARTYPE2, SCALARTYPE3, SCALARTYPE4, SCALARTYPE5, ...) \
AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE1, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE2, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE3, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE4, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE5, __VA_ARGS__)
#define AT_DISPATCH_ALL_TYPES_AND_COMPLEX_AND5( \
SCALARTYPE1, \
SCALARTYPE2, \
SCALARTYPE3, \
SCALARTYPE4, \
SCALARTYPE5, \
TYPE, \
NAME, \
...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX_AND5( \
SCALARTYPE1, \
SCALARTYPE2, \
SCALARTYPE3, \
SCALARTYPE4, \
SCALARTYPE5, \
__VA_ARGS__))
#define AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX_AND6( \
SCALARTYPE1, \
SCALARTYPE2, \
SCALARTYPE3, \
SCALARTYPE4, \
SCALARTYPE5, \
SCALARTYPE6, \
...) \
AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE1, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE2, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE3, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE4, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE5, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE6, __VA_ARGS__)
#define AT_DISPATCH_ALL_TYPES_AND_COMPLEX_AND6( \
SCALARTYPE1, \
SCALARTYPE2, \
SCALARTYPE3, \
SCALARTYPE4, \
SCALARTYPE5, \
SCALARTYPE6, \
TYPE, \
NAME, \
...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX_AND6( \
SCALARTYPE1, \
SCALARTYPE2, \
SCALARTYPE3, \
SCALARTYPE4, \
SCALARTYPE5, \
SCALARTYPE6, \
__VA_ARGS__))
#define AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX_AND7( \
SCALARTYPE1, \
SCALARTYPE2, \
SCALARTYPE3, \
SCALARTYPE4, \
SCALARTYPE5, \
SCALARTYPE6, \
SCALARTYPE7, \
...) \
AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE1, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE2, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE3, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE4, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE5, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE6, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE7, __VA_ARGS__)
#define AT_DISPATCH_ALL_TYPES_AND_COMPLEX_AND7( \
SCALARTYPE1, \
SCALARTYPE2, \
SCALARTYPE3, \
SCALARTYPE4, \
SCALARTYPE5, \
SCALARTYPE6, \
SCALARTYPE7, \
TYPE, \
NAME, \
...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX_AND7( \
SCALARTYPE1, \
SCALARTYPE2, \
SCALARTYPE3, \
SCALARTYPE4, \
SCALARTYPE5, \
SCALARTYPE6, \
SCALARTYPE7, \
__VA_ARGS__))
#define AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX_AND8( \
SCALARTYPE1, \
SCALARTYPE2, \
SCALARTYPE3, \
SCALARTYPE4, \
SCALARTYPE5, \
SCALARTYPE6, \
SCALARTYPE7, \
SCALARTYPE8, \
...) \
AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX(__VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE1, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE2, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE3, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE4, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE5, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE6, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE7, __VA_ARGS__) \
AT_DISPATCH_CASE(SCALARTYPE8, __VA_ARGS__)
#define AT_DISPATCH_ALL_TYPES_AND_COMPLEX_AND8( \
SCALARTYPE1, \
SCALARTYPE2, \
SCALARTYPE3, \
SCALARTYPE4, \
SCALARTYPE5, \
SCALARTYPE6, \
SCALARTYPE7, \
SCALARTYPE8, \
TYPE, \
NAME, \
...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_DISPATCH_CASE_ALL_TYPES_AND_COMPLEX_AND8( \
SCALARTYPE1, \
SCALARTYPE2, \
SCALARTYPE3, \
SCALARTYPE4, \
SCALARTYPE5, \
SCALARTYPE6, \
SCALARTYPE7, \
SCALARTYPE8, \
__VA_ARGS__))
#define AT_DISPATCH_CASE_BIT_TYPES(...) \
AT_DISPATCH_CASE(at::ScalarType::Bits1x8, __VA_ARGS__) \
AT_DISPATCH_CASE(at::ScalarType::Bits2x4, __VA_ARGS__) \
AT_DISPATCH_CASE(at::ScalarType::Bits4x2, __VA_ARGS__) \
AT_DISPATCH_CASE(at::ScalarType::Bits8, __VA_ARGS__) \
AT_DISPATCH_CASE(at::ScalarType::Bits16, __VA_ARGS__)
#define AT_DISPATCH_BIT_TYPES(TYPE, NAME, ...) \
AT_DISPATCH_SWITCH(TYPE, NAME, AT_DISPATCH_CASE_BIT_TYPES(__VA_ARGS__))
#define AT_DISPATCH_INDEX_TYPES(TYPE, NAME, ...) \
AT_DISPATCH_SWITCH( \
TYPE, \
NAME, \
AT_PRIVATE_CASE_TYPE_USING_HINT( \
at::ScalarType::Int, index_t, __VA_ARGS__) \
AT_PRIVATE_CASE_TYPE_USING_HINT( \
at::ScalarType::Long, index_t, __VA_ARGS__))