m_delay_file_access Module Reference

Rank-staggered file access delays to prevent I/O contention on parallel file systems. More...

Functions/Subroutines
impure subroutine, public	delayfileaccess (processrank)
	Introduces a rank-dependent busy-wait delay to stagger parallel file access and reduce I/O contention.

Variables
integer, parameter, private	n_processes_file_access = 128
integer, parameter, private	file_access_delay_unit = 10000

Detailed Description

Rank-staggered file access delays to prevent I/O contention on parallel file systems.

Function/Subroutine Documentation

delayfileaccess()

impure subroutine, public m_delay_file_access::delayfileaccess

(

integer, intent(in)

processrank

)

Introduces a rank-dependent busy-wait delay to stagger parallel file access and reduce I/O contention.

Definition at line 20 of file m_delay_file_access.f90.

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Variable Documentation

file_access_delay_unit

integer, parameter, private m_delay_file_access::file_access_delay_unit = 10000

private

Definition at line 13 of file m_delay_file_access.f90.

n_processes_file_access

integer, parameter, private m_delay_file_access::n_processes_file_access = 128

private

Definition at line 13 of file m_delay_file_access.f90.