factor/extra/benchmark/simd-1/simd-1.factor

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Factor

! Copyright (C) 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel io math math.functions math.parser math.vectors
math.vectors.simd sequences specialized-arrays ;
QUALIFIED-WITH: alien.c-types c
SPECIALIZED-ARRAY: float-4
IN: benchmark.simd-1
: <point> ( n -- float-4 )
>float [ sin ] [ cos 3 * ] [ sin sq 2 / ] tri
0.0 float-4-boa ; inline
: make-points ( len -- points )
iota [ <point> ] float-4-array{ } map-as ; inline
: normalize-points ( points -- )
[ normalize ] map! drop ; inline
: max-points ( points -- point )
[ ] [ vmax ] map-reduce ; inline
: print-point ( point -- )
[ number>string ] { } map-as ", " join print ; inline
: simd-benchmark ( len -- )
>fixnum make-points [ normalize-points ] [ max-points ] bi print-point ;
: main ( -- )
10 [ 500000 simd-benchmark ] times ;
MAIN: main