#include "vault/gear/block-flow.hpp"

Description

Lightweight yet safe parametrisation of memory management.

Used as default setting and thus for most tests.

Definition at line 121 of file block-flow.hpp.

Static Public Attributes
static const size_t	EPOCH_SIZ = 100
	Number of storage slots to fit into one »Epoch«

Public Attributes
const Duration	DUTY_CYCLE {FSecs(1)}
	typical relaxation time or average pre-roll to deadline

const size_t	INITIAL_STREAMS = 2
	Number of streams with REFERENCE_FPS to expect for normal use.

const double	TARGET_FILL = 0.90
	aim at using this fraction of Epoch space on average (slightly below 100%)

const double	BOOST_FACTOR = 0.85
	adjust capacity by this factor on Epoch overflow/underflow events

const double	DAMP_THRESHOLD = 0.08
	do not account for (almost) empty Epochs to avoid overshooting regulation

const size_t	ACTIVITIES_PER_FRAME = 10
	how many Activity records are typically used to implement a single frame

const size_t	REFERENCE_FPS = 25
	frame rate to use as reference point to relate DUTY_CYCLE and default counts

const size_t	OVERLOAD_LIMIT = 60
	load factor over normal use where to assume saturation and limit throughput

Member Data Documentation

◆ EPOCH_SIZ

const size_t EPOCH_SIZ = 100

static

Number of storage slots to fit into one »Epoch«

Definition at line 124 of file block-flow.hpp.

◆ DUTY_CYCLE

const Duration DUTY_CYCLE {FSecs(1)}

typical relaxation time or average pre-roll to deadline

Definition at line 125 of file block-flow.hpp.

◆ INITIAL_STREAMS

const size_t INITIAL_STREAMS = 2

Number of streams with REFERENCE_FPS to expect for normal use.

Definition at line 126 of file block-flow.hpp.

◆ TARGET_FILL

const double TARGET_FILL = 0.90

aim at using this fraction of Epoch space on average (slightly below 100%)

Definition at line 129 of file block-flow.hpp.

◆ BOOST_FACTOR

const double BOOST_FACTOR = 0.85

adjust capacity by this factor on Epoch overflow/underflow events

Definition at line 130 of file block-flow.hpp.

◆ DAMP_THRESHOLD

const double DAMP_THRESHOLD = 0.08

do not account for (almost) empty Epochs to avoid overshooting regulation

Definition at line 131 of file block-flow.hpp.

◆ ACTIVITIES_PER_FRAME

const size_t ACTIVITIES_PER_FRAME = 10

how many Activity records are typically used to implement a single frame

Definition at line 134 of file block-flow.hpp.

◆ REFERENCE_FPS

const size_t REFERENCE_FPS = 25

frame rate to use as reference point to relate DUTY_CYCLE and default counts

Definition at line 135 of file block-flow.hpp.

◆ OVERLOAD_LIMIT

const size_t OVERLOAD_LIMIT = 60

load factor over normal use where to assume saturation and limit throughput

Definition at line 136 of file block-flow.hpp.

Inheritance diagram for DefaultConfig:

Collaboration diagram for DefaultConfig:

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

block-flow.hpp