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1 ! Copyright (C) 2010 Doug Coleman.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: alien.c-types cuda cuda.contexts cuda.libraries cuda.syntax locals ;
4 IN: cuda.demos.prefix-sum
5
6 CUDA-LIBRARY: prefix-sum cuda32 vocab:cuda/demos/prefix-sum/prefix-sum.ptx
7
8 CUDA-FUNCTION: prefix_sum_block ( uint* in, uint* out, uint n ) ;
9
10 :: cuda-prefix-sum ( -- )
11     init-cuda
12     0 0 [
13         ! { 1 1 1 } { 2 1 } 0 <grid-shared> prefix_sum_block
14     ] with-cuda-context ;
15
16 MAIN: cuda-prefix-sum