vex::Filter Namespace Reference

Device filters. More...

Classes
struct	AllFilter
	Selects any device. More...
struct	Vendor
	Selects devices whose vendor name match given value. More...
struct	Platform
	Selects devices whose platform name match given value. More...
struct	Name
	Selects devices whose names match given value. More...
struct	Type
	Selects devices by type. More...
struct	DoublePrecisionFilter
	Selects devices supporting double precision. More...
struct	Count
	Selects no more than given number of devices. More...
struct	Position
	Selects one device at the given position. More...
struct	EnvFilter
	Environment filter. More...

Functions
template<class Filter >
ExclusiveFilter< Filter >	Exclusive (const Filter &filter)
	Allows exclusive access to compute devices across several processes. More...
template<class LeftFilter , class RightFilter >
FilterBinaryOp< LeftFilter, RightFilter, FilterAnd >	operator&& (const LeftFilter &left, const RightFilter &right)
	Join two filters with AND operator.
template<class LeftFilter , class RightFilter >
FilterBinaryOp< LeftFilter, RightFilter, FilterOr >	operator|| (const LeftFilter &left, const RightFilter &right)
	Join two filters with OR operator.
template<class Flt >
NegateFilter< Flt >	operator! (const Flt &flt)
	Negate a filter.

Variables
const AllFilter	All
const DoublePrecisionFilter	DoublePrecision
const EnvFilter	Env

Detailed Description

Device filters.

Function Documentation

template<class Filter >

ExclusiveFilter<Filter> vex::Filter::Exclusive

(

const Filter &

filter

)

Allows exclusive access to compute devices across several processes.

Returns devices that pass through provided device filter and are not locked.

Parameters

filter

Compute device filter

Note

Depends on boost::interprocess library.

lock files are created in directory specified in VEXCL_LOCK_DIR environment variable. If the variable does not exist, /tmp is used on Linux and TMPDIR% on Windows. The lock directory should exist and be writable by the running user.