factor/basis/math/vectors/simd/intrinsics/intrinsics.factor

284 lines
12 KiB
Factor

! (c)2009 Slava Pestov, Joe Groff bsd license
USING: accessors alien alien.data combinators cpu.architecture fry
grouping kernel libc locals math math.libm math.order math.ranges
sequences sequences.cords sequences.generalizations sequences.private
sequences.unrolled sequences.unrolled.private specialized-arrays
vocabs ;
QUALIFIED-WITH: alien.c-types c
SPECIALIZED-ARRAYS:
c:char c:short c:int c:longlong
c:uchar c:ushort c:uint c:ulonglong
c:float c:double ;
IN: math.vectors.simd.intrinsics
: assert-positive ( x -- y ) ;
<PRIVATE
: >bitwise-vector-rep ( rep -- rep' )
{
{ float-4-rep [ uint-4-rep ] }
{ double-2-rep [ ulonglong-2-rep ] }
[ ]
} case ; foldable
: >uint-vector-rep ( rep -- rep' )
{
{ longlong-2-rep [ ulonglong-2-rep ] }
{ int-4-rep [ uint-4-rep ] }
{ short-8-rep [ ushort-8-rep ] }
{ char-16-rep [ uchar-16-rep ] }
[ ]
} case ; foldable
: >int-vector-rep ( rep -- rep' )
{
{ float-4-rep [ int-4-rep ] }
{ double-2-rep [ longlong-2-rep ] }
} case ; foldable
: >float-vector-rep ( rep -- rep' )
{
{ int-4-rep [ float-4-rep ] }
{ longlong-2-rep [ double-2-rep ] }
} case ; foldable
: byte>rep-array ( byte-array rep -- array )
{
{ char-16-rep [ 16 c:char <c-direct-array> ] }
{ uchar-16-rep [ 16 c:uchar <c-direct-array> ] }
{ short-8-rep [ 8 c:short <c-direct-array> ] }
{ ushort-8-rep [ 8 c:ushort <c-direct-array> ] }
{ int-4-rep [ 4 c:int <c-direct-array> ] }
{ uint-4-rep [ 4 c:uint <c-direct-array> ] }
{ longlong-2-rep [ 2 c:longlong <c-direct-array> ] }
{ ulonglong-2-rep [ 2 c:ulonglong <c-direct-array> ] }
{ float-4-rep [ 4 c:float <c-direct-array> ] }
{ double-2-rep [ 2 c:double <c-direct-array> ] }
} case ; inline
: >rep-array ( seq rep -- array )
{
{ char-16-rep [ c:char >c-array ] }
{ uchar-16-rep [ c:uchar >c-array ] }
{ short-8-rep [ c:short >c-array ] }
{ ushort-8-rep [ c:ushort >c-array ] }
{ int-4-rep [ c:int >c-array ] }
{ uint-4-rep [ c:uint >c-array ] }
{ longlong-2-rep [ c:longlong >c-array ] }
{ ulonglong-2-rep [ c:ulonglong >c-array ] }
{ float-4-rep [ c:float >c-array ] }
{ double-2-rep [ c:double >c-array ] }
} case ; inline
: <rep-array> ( rep -- array )
{
{ char-16-rep [ 16 c:char (c-array) ] }
{ uchar-16-rep [ 16 c:uchar (c-array) ] }
{ short-8-rep [ 8 c:short (c-array) ] }
{ ushort-8-rep [ 8 c:ushort (c-array) ] }
{ int-4-rep [ 4 c:int (c-array) ] }
{ uint-4-rep [ 4 c:uint (c-array) ] }
{ longlong-2-rep [ 2 c:longlong (c-array) ] }
{ ulonglong-2-rep [ 2 c:ulonglong (c-array) ] }
{ float-4-rep [ 4 c:float (c-array) ] }
{ double-2-rep [ 2 c:double (c-array) ] }
} case ; inline
: rep-tf-values ( rep -- t f )
float-vector-rep? [ -1 bits>double 0.0 ] [ -1 0 ] if ;
: 2byte>rep-array ( a b rep -- a' b' )
'[ _ byte>rep-array ] bi@ ; inline
: components-map ( a rep quot -- c )
[ [ byte>rep-array ] [ rep-length ] bi ] dip unrolled-map-unsafe underlying>> ; inline
: components-2map ( a b rep quot -- c )
[ [ 2byte>rep-array ] [ rep-length ] bi ] dip unrolled-2map-unsafe underlying>> ; inline
: components-reduce ( a rep quot -- x )
[ byte>rep-array [ ] ] dip map-reduce ; inline
: bitwise-components-map ( a rep quot -- c )
[ >bitwise-vector-rep [ byte>rep-array ] [ rep-length ] bi ] dip
unrolled-map-unsafe underlying>> ; inline
: bitwise-components-2map ( a b rep quot -- c )
[ >bitwise-vector-rep [ 2byte>rep-array ] [ rep-length ] bi ] dip
unrolled-2map-unsafe underlying>> ; inline
: bitwise-components-reduce ( a rep quot -- x )
[ >bitwise-vector-rep byte>rep-array [ ] ] dip map-reduce ; inline
: bitwise-components-reduce* ( a rep identity quot -- x )
[ >bitwise-vector-rep byte>rep-array ] 2dip reduce ; inline
:: (vshuffle) ( a elts rep -- c )
a rep byte>rep-array :> a'
rep <rep-array> :> c'
elts rep rep-length [| from to |
from rep rep-length 1 - bitand
a' nth-unsafe
to c' set-nth-unsafe
] unrolled-each-index-unsafe
c' underlying>> ; inline
:: (vshuffle2) ( a b elts rep -- c )
a rep byte>rep-array :> a'
b rep byte>rep-array :> b'
a' b' cord-append :> ab'
rep <rep-array> :> c'
elts rep rep-length [| from to |
from rep rep-length dup + 1 - bitand
ab' nth-unsafe
to c' set-nth-unsafe
] unrolled-each-index-unsafe
c' underlying>> ; inline
GENERIC: native/ ( x y -- x/y )
M: integer native/ /i ; inline
M: float native/ /f ; inline
: (vgetmask) ( a rep -- b )
0 [ [ 1 shift ] [ zero? 0 1 ? ] bi* bitor ] bitwise-components-reduce* ; inline
PRIVATE>
: (simd-v+) ( a b rep -- c ) [ + ] components-2map ;
: (simd-v-) ( a b rep -- c ) [ - ] components-2map ;
: (simd-vneg) ( a rep -- c ) [ neg ] components-map ;
:: (simd-v+-) ( a b rep -- c )
a b rep 2byte>rep-array :> ( a' b' )
rep <rep-array> :> c'
0 rep rep-length [ 1 - 2 <range> ] [ 2 /i ] bi [| n |
n a' nth-unsafe n b' nth-unsafe -
n c' set-nth-unsafe
n 1 + a' nth-unsafe n 1 + b' nth-unsafe +
n 1 + c' set-nth-unsafe
] unrolled-each-unsafe
c' underlying>> ;
: (simd-vs+) ( a b rep -- c )
dup rep-component-type '[ + _ c:c-type-clamp ] components-2map ;
: (simd-vs-) ( a b rep -- c )
dup rep-component-type '[ - _ c:c-type-clamp ] components-2map ;
: (simd-vs*) ( a b rep -- c )
dup rep-component-type '[ * _ c:c-type-clamp ] components-2map ;
: (simd-v*) ( a b rep -- c ) [ * ] components-2map ;
: (simd-v*high) ( a b rep -- c )
dup rep-component-type c:heap-size -8 * '[ * _ shift ] components-2map ;
:: (simd-v*hs+) ( a b rep -- c )
rep { char-16-rep uchar-16-rep } member-eq?
[ uchar-16-rep char-16-rep ]
[ rep rep ] if :> ( a-rep b-rep )
b-rep widen-vector-rep signed-rep :> wide-rep
wide-rep rep-component-type :> wide-type
a a-rep byte>rep-array 2 <groups> :> a'
b b-rep byte>rep-array 2 <groups> :> b'
a' b' rep rep-length 2 /i [
[ [ first ] bi@ * ]
[ [ second ] bi@ * ] 2bi +
wide-type c:c-type-clamp
] wide-rep <rep-array> unrolled-2map-as-unsafe underlying>> ;
: (simd-v/) ( a b rep -- c ) [ native/ ] components-2map ;
: (simd-vavg) ( a b rep -- c )
[ + dup integer? [ 1 + -1 shift ] [ 0.5 * ] if ] components-2map ;
: (simd-vmin) ( a b rep -- c ) [ min ] components-2map ;
: (simd-vmax) ( a b rep -- c ) [ max ] components-2map ;
! XXX
: (simd-v.) ( a b rep -- n )
[ 2byte>rep-array [ [ first ] bi@ * ] 2keep ] keep
1 swap rep-length [a,b) [ '[ _ swap nth-unsafe ] bi@ * + ] 2with each ;
: (simd-vsqrt) ( a rep -- c ) [ fsqrt ] components-map ;
: (simd-vsad) ( a b rep -- c ) 2byte>rep-array [ - abs ] [ + ] 2map-reduce ;
: (simd-sum) ( a rep -- n ) [ + ] components-reduce ;
: (simd-vabs) ( a rep -- c ) [ abs ] components-map ;
: (simd-vbitand) ( a b rep -- c ) [ bitand ] bitwise-components-2map ;
: (simd-vbitandn) ( a b rep -- c ) [ [ bitnot ] dip bitand ] bitwise-components-2map ;
: (simd-vbitor) ( a b rep -- c ) [ bitor ] bitwise-components-2map ;
: (simd-vbitxor) ( a b rep -- c ) [ bitxor ] bitwise-components-2map ;
: (simd-vbitnot) ( a rep -- c ) [ bitnot ] bitwise-components-map ;
: (simd-vand) ( a b rep -- c ) [ bitand ] bitwise-components-2map ;
: (simd-vandn) ( a b rep -- c ) [ [ bitnot ] dip bitand ] bitwise-components-2map ;
: (simd-vor) ( a b rep -- c ) [ bitor ] bitwise-components-2map ;
: (simd-vxor) ( a b rep -- c ) [ bitxor ] bitwise-components-2map ;
: (simd-vnot) ( a rep -- c ) [ bitnot ] bitwise-components-map ;
: (simd-vlshift) ( a n rep -- c ) swap '[ _ shift ] bitwise-components-map ;
: (simd-vrshift) ( a n rep -- c ) swap '[ _ neg shift ] bitwise-components-map ;
! XXX
: (simd-hlshift) ( a n rep -- c )
drop head-slice* 16 0 pad-head ;
! XXX
: (simd-hrshift) ( a n rep -- c )
drop tail-slice 16 0 pad-tail ;
: (simd-vshuffle-elements) ( a n rep -- c ) [ rep-length 0 pad-tail ] keep (vshuffle) ;
: (simd-vshuffle2-elements) ( a b n rep -- c ) [ rep-length 0 pad-tail ] keep (vshuffle2) ;
: (simd-vshuffle-bytes) ( a b rep -- c ) drop uchar-16-rep (vshuffle) ;
:: (simd-vmerge-head) ( a b rep -- c )
a b rep 2byte>rep-array :> ( a' b' )
rep <rep-array> :> c'
rep rep-length 2 /i [| n |
n a' nth-unsafe n 2 * c' set-nth-unsafe
n b' nth-unsafe n 2 * 1 + c' set-nth-unsafe
] unrolled-each-integer
c' underlying>> ;
:: (simd-vmerge-tail) ( a b rep -- c )
a b rep 2byte>rep-array :> ( a' b' )
rep <rep-array> :> c'
rep rep-length 2 /i :> len
len [| n |
n len + a' nth-unsafe n 2 * c' set-nth-unsafe
n len + b' nth-unsafe n 2 * 1 + c' set-nth-unsafe
] unrolled-each-integer
c' underlying>> ;
: (simd-v<=) ( a b rep -- c )
dup rep-tf-values '[ <= _ _ ? ] components-2map ;
: (simd-v<) ( a b rep -- c )
dup rep-tf-values '[ < _ _ ? ] components-2map ;
: (simd-v=) ( a b rep -- c )
dup rep-tf-values '[ = _ _ ? ] components-2map ;
: (simd-v>) ( a b rep -- c )
dup rep-tf-values '[ > _ _ ? ] components-2map ;
: (simd-v>=) ( a b rep -- c )
dup rep-tf-values '[ >= _ _ ? ] components-2map ;
: (simd-vunordered?) ( a b rep -- c )
dup rep-tf-values '[ unordered? _ _ ? ] components-2map ;
: (simd-vany?) ( a rep -- ? ) [ bitor ] bitwise-components-reduce zero? not ;
: (simd-vall?) ( a rep -- ? ) [ bitand ] bitwise-components-reduce zero? not ;
: (simd-vnone?) ( a rep -- ? ) [ bitor ] bitwise-components-reduce zero? ;
: (simd-vgetmask) ( a rep -- n )
{ float-4-rep double-2-rep } member?
[ uint-4-rep (vgetmask) ] [ uchar-16-rep (vgetmask) ] if ;
: (simd-v>float) ( a rep -- c )
[ [ byte>rep-array ] [ rep-length ] bi [ >float ] ]
[ >float-vector-rep <rep-array> ] bi unrolled-map-as-unsafe underlying>> ;
: (simd-v>integer) ( a rep -- c )
[ [ byte>rep-array ] [ rep-length ] bi [ >integer ] ]
[ >int-vector-rep <rep-array> ] bi unrolled-map-as-unsafe underlying>> ;
: (simd-vpack-signed) ( a b rep -- c )
[ [ 2byte>rep-array cord-append ] [ rep-length 2 * ] bi ]
[ narrow-vector-rep [ <rep-array> ] [ rep-component-type ] bi ] bi
'[ _ c:c-type-clamp ] swap unrolled-map-as-unsafe underlying>> ;
: (simd-vpack-unsigned) ( a b rep -- c )
[ [ 2byte>rep-array cord-append ] [ rep-length 2 * ] bi ]
[ narrow-vector-rep >uint-vector-rep [ <rep-array> ] [ rep-component-type ] bi ] bi
'[ _ c:c-type-clamp ] swap unrolled-map-as-unsafe underlying>> ;
: (simd-vunpack-head) ( a rep -- c )
[ byte>rep-array ] [ widen-vector-rep [ rep-length ] [ '[ _ >rep-array ] ] bi ] bi
[ head-slice ] dip call( a' -- c' ) underlying>> ;
: (simd-vunpack-tail) ( a rep -- c )
[ byte>rep-array ] [ widen-vector-rep [ rep-length ] [ '[ _ >rep-array ] ] bi ] bi
[ tail-slice ] dip call( a' -- c' ) underlying>> ;
: (simd-with) ( n rep -- v )
[ rep-length swap '[ _ ] ] [ <rep-array> ] bi replicate-as
underlying>> ;
: (simd-gather-2) ( m n rep -- v ) <rep-array> [ 2 set-firstn-unsafe ] keep underlying>> ;
: (simd-gather-4) ( m n o p rep -- v ) <rep-array> [ 4 set-firstn-unsafe ] keep underlying>> ;
: (simd-select) ( a n rep -- x ) swapd byte>rep-array nth-unsafe ;
: alien-vector ( c-ptr n rep -- value )
[ swap <displaced-alien> ] dip rep-size memory>byte-array ;
: set-alien-vector ( value c-ptr n rep -- )
[ swap <displaced-alien> swap ] dip rep-size memcpy ;
"compiler.cfg.intrinsics.simd" require
"compiler.tree.propagation.simd" require
"compiler.cfg.value-numbering.simd" require