reassoc.h File Reference

#include <optional>
#include <mim/phase.h>

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Classes
struct	mim::plug::tensor::phase::Split
	One node of a bracketing: i … j splits after s. More...
struct	mim::plug::tensor::phase::Leaf
	A chain operand; the chain reads its transpose if t. More...
class	mim::plug::tensor::phase::Reassoc
	Reassociates chains of tensor.product_2d with the classic matrix-chain-order dynamic program, so that a chain is evaluated with the least number of vector-lane slots. More...

Namespaces
namespace	mim
namespace	mim::plug
namespace	mim::plug::tensor
	The tensor Plugin
namespace	mim::plug::tensor::phase

Typedefs
using	mim::plug::tensor::phase::Splits = fe::Vector<Split>
	A bracketing of a matrix chain, innermost node first.
using	mim::plug::tensor::phase::Leaves = fe::Vector<Leaf>

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Class Documentation

mim::plug::tensor::phase::Split

struct mim::plug::tensor::phase::Split

One node of a bracketing: i … j splits after s.

Spelling the fields out keeps size_t out of the type - it is not mim::u64 everywhere. A transposed node t is computed as the product of its operands' transposes, (Rᵀ · Lᵀ)ᵀ.

Definition at line 12 of file reassoc.h.

Class Members
u64	i
u64	j
u64	s
bool	t = false

mim::plug::tensor::phase::Leaf

struct mim::plug::tensor::phase::Leaf

A chain operand; the chain reads its transpose if t.

Definition at line 21 of file reassoc.h.

Class Members
const Def *	def
bool	t