jaffarPlus::StateDb::statCounters_t Struct Reference

Per-thread statistics counters for state-DB popping and free-state acquisition. More...

Public Attributes
size_t	localDatabaseState = 0
	Base states popped from the thread's own (preferred) NUMA domain.
size_t	nonLocalDatabaseState = 0
	Base states popped from a non-preferred NUMA domain.
size_t	databaseStateNotFound = 0
	Pop attempts that found every current-state queue drained.
size_t	localFreeState = 0
	Free slots obtained from the preferred NUMA domain's free queue.
size_t	nonLocalFreeState = 0
	Free slots obtained from a non-preferred domain's free queue.
size_t	stealingFreeState = 0
	Free slots stolen from the back of a current-state queue.
size_t	freeStateNotFound = 0
	getFreeState attempts that found no slot anywhere.
size_t	distanceAccumulator = 0
	Sum of NUMA distances over all accesses, for the average-distance metric.
size_t	freeStateCacheHit = 0
	getFreeState requests served from the thread-local free-slot cache.
size_t	freeStateCacheReturn = 0
	returnFreeState calls absorbed by the thread-local free-slot cache.

Detailed Description

Per-thread statistics counters for state-DB popping and free-state acquisition.

Cache-line aligned to avoid false sharing between adjacent threads' counters; reduced into totals only when printInfo runs (off the hot path).

Definition at line 802 of file stateDb.hpp.

Member Data Documentation

databaseStateNotFound

size_t jaffarPlus::StateDb::statCounters_t::databaseStateNotFound = 0

Pop attempts that found every current-state queue drained.

Definition at line 806 of file stateDb.hpp.

distanceAccumulator

size_t jaffarPlus::StateDb::statCounters_t::distanceAccumulator = 0

Sum of NUMA distances over all accesses, for the average-distance metric.

Definition at line 811 of file stateDb.hpp.

freeStateCacheHit

size_t jaffarPlus::StateDb::statCounters_t::freeStateCacheHit = 0

getFreeState requests served from the thread-local free-slot cache.

Definition at line 812 of file stateDb.hpp.

freeStateCacheReturn

size_t jaffarPlus::StateDb::statCounters_t::freeStateCacheReturn = 0

returnFreeState calls absorbed by the thread-local free-slot cache.

Definition at line 813 of file stateDb.hpp.

freeStateNotFound

size_t jaffarPlus::StateDb::statCounters_t::freeStateNotFound = 0

getFreeState attempts that found no slot anywhere.

Definition at line 810 of file stateDb.hpp.

localDatabaseState

size_t jaffarPlus::StateDb::statCounters_t::localDatabaseState = 0

Base states popped from the thread's own (preferred) NUMA domain.

Definition at line 804 of file stateDb.hpp.

localFreeState

size_t jaffarPlus::StateDb::statCounters_t::localFreeState = 0

Free slots obtained from the preferred NUMA domain's free queue.

Definition at line 807 of file stateDb.hpp.

nonLocalDatabaseState

size_t jaffarPlus::StateDb::statCounters_t::nonLocalDatabaseState = 0

Base states popped from a non-preferred NUMA domain.

Definition at line 805 of file stateDb.hpp.

nonLocalFreeState

size_t jaffarPlus::StateDb::statCounters_t::nonLocalFreeState = 0

Free slots obtained from a non-preferred domain's free queue.

Definition at line 808 of file stateDb.hpp.

stealingFreeState

size_t jaffarPlus::StateDb::statCounters_t::stealingFreeState = 0

Free slots stolen from the back of a current-state queue.

Definition at line 809 of file stateDb.hpp.

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

• stateDb.hpp