Some minor pointless optimizations

release
Slava Pestov 2010-04-01 20:05:32 -04:00
parent 51fd5e34e8
commit 1b4b1a180c
7 changed files with 47 additions and 56 deletions

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@ -11,7 +11,7 @@ ERROR: box-full box ;
: >box ( value box -- )
dup occupied>>
[ box-full ] [ t >>occupied (>>value) ] if ;
[ box-full ] [ t >>occupied (>>value) ] if ; inline
ERROR: box-empty box ;
@ -19,10 +19,10 @@ ERROR: box-empty box ;
dup occupied>> [ box-empty ] unless ; inline
: box> ( box -- value )
check-box [ f ] change-value f >>occupied drop ;
check-box [ f ] change-value f >>occupied drop ; inline
: ?box ( box -- value/f ? )
dup occupied>> [ box> t ] [ drop f f ] if ;
dup occupied>> [ box> t ] [ drop f f ] if ; inline
: if-box? ( box quot -- )
[ ?box ] dip [ drop ] if ; inline

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@ -4,10 +4,10 @@ USING: deques threads kernel arrays sequences alarms fry ;
IN: concurrency.conditions
: notify-1 ( deque -- )
dup deque-empty? [ drop ] [ pop-back resume-now ] if ;
dup deque-empty? [ drop ] [ pop-back resume-now ] if ; inline
: notify-all ( deque -- )
[ resume-now ] slurp-deque ;
[ resume-now ] slurp-deque ; inline
: queue-timeout ( queue timeout -- alarm )
#! Add an alarm which removes the current thread from the
@ -23,7 +23,7 @@ IN: concurrency.conditions
ERROR: wait-timeout ;
: queue ( queue -- )
[ self ] dip push-front ;
[ self ] dip push-front ; inline
: wait ( queue timeout status -- )
over [
@ -31,4 +31,4 @@ ERROR: wait-timeout ;
[ wait-timeout ] [ cancel-alarm ] if
] [
[ drop queue ] dip suspend drop
] if ;
] if ; inline

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@ -6,22 +6,24 @@ concurrency.conditions accessors debugger debugger.threads
locals fry ;
IN: concurrency.mailboxes
TUPLE: mailbox threads data ;
TUPLE: mailbox { threads dlist } { data dlist } ;
: <mailbox> ( -- mailbox )
mailbox new
<dlist> >>threads
<dlist> >>data ;
<dlist> >>data ; inline
: mailbox-empty? ( mailbox -- bool )
data>> deque-empty? ;
data>> deque-empty? ; inline
: mailbox-put ( obj mailbox -- )
GENERIC: mailbox-put ( obj mailbox -- )
M: mailbox mailbox-put
[ data>> push-front ]
[ threads>> notify-all ] bi yield ;
: wait-for-mailbox ( mailbox timeout -- )
[ threads>> ] dip "mailbox" wait ;
[ threads>> ] dip "mailbox" wait ; inline
:: block-unless-pred ( ... mailbox timeout pred: ( ... message -- ... ? ) -- ... )
mailbox data>> pred dlist-any? [
@ -34,16 +36,17 @@ TUPLE: mailbox threads data ;
2dup wait-for-mailbox block-if-empty
] [
drop
] if ;
] if ; inline recursive
: mailbox-peek ( mailbox -- obj )
data>> peek-back ;
: mailbox-get-timeout ( mailbox timeout -- obj )
block-if-empty data>> pop-back ;
GENERIC# mailbox-get-timeout 1 ( mailbox timeout -- obj )
M: mailbox mailbox-get-timeout block-if-empty data>> pop-back ;
: mailbox-get ( mailbox -- obj )
f mailbox-get-timeout ;
f mailbox-get-timeout ; inline
: mailbox-get-all-timeout ( mailbox timeout -- array )
block-if-empty

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@ -1,20 +1,22 @@
! Copyright (C) 2005, 2008 Chris Double, Slava Pestov.
! Copyright (C) 2005, 2010 Chris Double, Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel threads concurrency.mailboxes continuations
namespaces assocs accessors summary fry ;
USING: kernel kernel.private threads concurrency.mailboxes
continuations namespaces assocs accessors summary fry ;
IN: concurrency.messaging
GENERIC: send ( message thread -- )
: mailbox-of ( thread -- mailbox )
dup mailbox>> [ ] [
<mailbox> [ >>mailbox drop ] keep
] ?if ;
GENERIC: mailbox-of ( thread -- mailbox )
M: thread mailbox-of
dup mailbox>>
[ { mailbox } declare ]
[ <mailbox> [ >>mailbox drop ] keep ] ?if ; inline
M: thread send ( message thread -- )
check-registered mailbox-of mailbox-put ;
mailbox-of mailbox-put ;
: my-mailbox ( -- mailbox ) self mailbox-of ;
: my-mailbox ( -- mailbox ) self mailbox-of ; inline
: receive ( -- message )
my-mailbox mailbox-get ?linked ;

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@ -29,7 +29,7 @@ TUPLE: dlist
: <hashed-dlist> ( -- search-deque )
20 <hashtable> <dlist> <search-deque> ;
M: dlist deque-empty? front>> not ;
M: dlist deque-empty? front>> not ; inline
M: dlist-node node-value obj>> ;

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@ -35,7 +35,7 @@ TUPLE: max-heap < heap ;
: <max-heap> ( -- max-heap ) max-heap <heap> ;
M: heap heap-empty? ( heap -- ? )
data>> empty? ;
data>> empty? ; inline
M: heap heap-size ( heap -- n )
data>> length ;

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@ -80,23 +80,13 @@ sleep-entry ;
: thread-registered? ( thread -- ? )
id>> threads key? ;
ERROR: already-stopped thread ;
: check-unregistered ( thread -- thread )
dup thread-registered? [ already-stopped ] when ;
ERROR: not-running thread ;
: check-registered ( thread -- thread )
dup thread-registered? [ not-running ] unless ;
<PRIVATE
: register-thread ( thread -- )
check-unregistered dup id>> threads set-at ;
dup id>> threads set-at ;
: unregister-thread ( thread -- )
check-registered id>> threads delete-at ;
id>> threads delete-at ;
: set-self ( thread -- ) 63 set-special-object ; inline
@ -106,7 +96,7 @@ PRIVATE>
65 special-object { dlist } declare ; inline
: sleep-queue ( -- heap )
66 special-object { dlist } declare ; inline
66 special-object { min-heap } declare ; inline
: new-thread ( quot name class -- thread )
new
@ -120,16 +110,13 @@ PRIVATE>
\ thread new-thread ;
: resume ( thread -- )
f >>state
check-registered run-queue push-front ;
f >>state run-queue push-front ;
: resume-now ( thread -- )
f >>state
check-registered run-queue push-back ;
f >>state run-queue push-back ;
: resume-with ( obj thread -- )
f >>state
check-registered 2array run-queue push-front ;
f >>state 2array run-queue push-front ;
: sleep-time ( -- nanos/f )
{
@ -150,22 +137,19 @@ DEFER: stop
<PRIVATE
: schedule-sleep ( thread dt -- )
[ check-registered dup ] dip sleep-queue heap-push*
>>sleep-entry drop ;
dupd sleep-queue heap-push* >>sleep-entry drop ;
: expire-sleep? ( heap -- ? )
dup heap-empty?
: expire-sleep? ( -- ? )
sleep-queue dup heap-empty?
[ drop f ] [ heap-peek nip nano-count <= ] if ;
: expire-sleep ( thread -- )
f >>sleep-entry resume ;
: expire-sleep-loop ( -- )
sleep-queue
[ dup expire-sleep? ]
[ dup heap-pop drop expire-sleep ]
while
drop ;
[ expire-sleep? ]
[ sleep-queue heap-pop drop expire-sleep ]
while ;
CONSTANT: [start]
[
@ -177,7 +161,9 @@ CONSTANT: [start]
: no-runnable-threads ( -- ) die ;
: (next) ( obj thread -- obj' )
GENERIC: (next) ( obj thread -- obj' )
M: thread (next)
dup runnable>>
[ context>> box> set-context ]
[ t >>runnable drop [start] start-context ] if ;