The buffers merge_arrow works in, kept by each thread from one join to the next (thread_arrow_workspace): mapping their pages anew took 11–16 % of an svd of order 64 to 512 on one x86-64 core, 13–20 % on six. More...

Collaboration diagram for numerical::detail::arrow_workspace:

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Public Attributes
workspace_buffer	below {}
	`poles[j] − roots[i]`, row by root.

workspace_buffer	above {}
	`poles[j] + roots[i]`.

workspace_buffer	left {}
	The arrow's left vectors.

workspace_buffer	right {}
	Its right vectors.

workspace_buffer	new_u {}
	The kept columns of `u` times the left vectors.

workspace_buffer	new_v {}
	The kept columns of `v` times the right vectors.

workspace_buffer	columns {}
	One segment's rows of the kept columns that reach it.

workspace_buffer	factor {}
	The rows of the arrow's vectors for those columns.

buffer< double >	sorted_u {}
	`u`'s columns by ascending value, swapped with `u`.

buffer< double >	sorted_v {}
	`v`'s, swapped with `v`.

Detailed Description

The buffers merge_arrow works in, kept by each thread from one join to the next (thread_arrow_workspace): mapping their pages anew took 11–16 % of an svd of order 64 to 512 on one x86-64 core, 13–20 % on six.

Definition at line 5384 of file decomposition.hpp.

Member Data Documentation

◆ above

workspace_buffer numerical::detail::arrow_workspace::above {}

poles[j] + roots[i].

Definition at line 5387 of file decomposition.hpp.

◆ below

workspace_buffer numerical::detail::arrow_workspace::below {}

poles[j] − roots[i], row by root.

Definition at line 5386 of file decomposition.hpp.

◆ columns

workspace_buffer numerical::detail::arrow_workspace::columns {}

One segment's rows of the kept columns that reach it.

Definition at line 5392 of file decomposition.hpp.

◆ factor

workspace_buffer numerical::detail::arrow_workspace::factor {}

The rows of the arrow's vectors for those columns.

Definition at line 5393 of file decomposition.hpp.

◆ left

workspace_buffer numerical::detail::arrow_workspace::left {}

The arrow's left vectors.

Definition at line 5388 of file decomposition.hpp.

◆ new_u

workspace_buffer numerical::detail::arrow_workspace::new_u {}

The kept columns of u times the left vectors.

Definition at line 5390 of file decomposition.hpp.

◆ new_v

workspace_buffer numerical::detail::arrow_workspace::new_v {}

The kept columns of v times the right vectors.

Definition at line 5391 of file decomposition.hpp.

◆ right

workspace_buffer numerical::detail::arrow_workspace::right {}

Its right vectors.

Definition at line 5389 of file decomposition.hpp.

◆ sorted_u

buffer<double> numerical::detail::arrow_workspace::sorted_u {}

u's columns by ascending value, swapped with u.

Definition at line 5394 of file decomposition.hpp.

◆ sorted_v

buffer<double> numerical::detail::arrow_workspace::sorted_v {}

v's, swapped with v.

Definition at line 5395 of file decomposition.hpp.

The documentation for this struct was generated from the following file:

include/numerical/decomposition.hpp

Public Attributes