35 lines
1.1 KiB
Factor
35 lines
1.1 KiB
Factor
! Copyright (C) 2010 Joe Groff.
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! See http://factorcode.org/license.txt for BSD license.
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USING: alien.c-types alien.data continuations cuda cuda.ffi
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cuda.libraries alien.destructors fry kernel namespaces ;
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IN: cuda.contexts
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: set-up-cuda-context ( -- )
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H{ } clone cuda-modules set-global
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H{ } clone cuda-functions set-global ; inline
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: create-context ( device flags -- context )
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swap
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[ { CUcontext } ] 2dip
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'[ _ _ cuCtxCreate cuda-error ] with-out-parameters ; inline
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: sync-context ( -- )
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cuCtxSynchronize cuda-error ; inline
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: context-device ( -- n )
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{ CUdevice } [ cuCtxGetDevice cuda-error ] with-out-parameters ; inline
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: destroy-context ( context -- ) cuCtxDestroy cuda-error ; inline
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: clean-up-context ( context -- )
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[ sync-context ] ignore-errors destroy-context ; inline
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DESTRUCTOR: destroy-context
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DESTRUCTOR: clean-up-context
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: (with-cuda-context) ( context quot -- )
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swap '[ _ clean-up-context ] [ ] cleanup ; inline
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: with-cuda-context ( device flags quot -- )
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[ set-up-cuda-context create-context ] dip (with-cuda-context) ; inline
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