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|
\documentclass{article}
\usepackage{axiom}
\title{\File{/src/interp/clam.boot} Pamphlet}
\author{The Axiom Team}
\begin{document}
\maketitle
\begin{abstract}
\end{abstract}
\eject
\tableofcontents
\eject
\section{License}
<<license>>=
-- Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
-- All rights reserved.
--
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions are
-- met:
--
-- - Redistributions of source code must retain the above copyright
-- notice, this list of conditions and the following disclaimer.
--
-- - Redistributions in binary form must reproduce the above copyright
-- notice, this list of conditions and the following disclaimer in
-- the documentation and/or other materials provided with the
-- distribution.
--
-- - Neither the name of The Numerical ALgorithms Group Ltd. nor the
-- names of its contributors may be used to endorse or promote products
-- derived from this software without specific prior written permission.
--
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
-- IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-- TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-- PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
-- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
@
<<*>>=
<<license>>
)package "BOOT"
--% Cache Lambda Facility
-- for remembering previous values to functions
--to CLAM a function f, there must be an entry on $clamList as follows:
-- (functionName --the name of the function to be CLAMed (e.g. f)
-- kind --"hash" or number of values to be stored in
-- circular list
-- eqEtc --the equal function to be used
-- (EQ, EQUAL, UEQUAL,..)
-- "shift" --(opt) for circular lists, shift most recently
-- used to front
-- "count") --(opt) use reference counts (see below)
--
-- Notes:
-- Functions with "hash" as kind must give EQ, CVEC, or UEQUAL
-- Functions with some other <identifier> as kind hashed as property
-- lists with eqEtc used to compare entries
-- Functions which have 0 arguments may only be CLAMmed when kind is
-- identifier other than hash (circular/private hashtable for no args
-- makes no sense)
--
-- Functions which have more than 1 argument must never be CLAMed with EQ
-- since arguments are cached as lists
-- For circular lists, "count" will do "shift"ing; entries with lowest
-- use count are replaced
-- For cache option without "count", all entries are cleared on garbage
-- collection; For cache option with "count",
-- entries have their use count set
-- to 0 on garbage collection; those with 0 use count at garbage collection
-- are cleared
-- see definition of COMP,2 in COMP LISP which calls clamComp below
-- see SETQ LISP for initial def of $hashNode
compClam(op,argl,body,$clamList) ==
--similar to reportFunctionCompilation in SLAM BOOT
if $InteractiveMode then startTimingProcess 'compilation
if (u:= LASSQ(op,$clamList)) isnt [kind,eqEtc,:options]
then keyedSystemError("S2GE0004",[op])
$clamList:= nil --clear to avoid looping
if u:= S_-(options,'(shift count)) then
keyedSystemError("S2GE0006",[op,:u])
shiftFl := MEMQ('shift,options)
countFl := MEMQ('count,options)
if #argl > 1 and eqEtc= 'EQ then
keyedSystemError("S2GE0007",[op])
(not IDENTP kind) and (not INTEGERP kind or kind < 1) =>
keyedSystemError("S2GE0005",[op])
IDENTP kind =>
shiftFl => keyedSystemError("S2GE0008",[op])
compHash(op,argl,body,(kind='hash => nil; kind),eqEtc,countFl)
cacheCount:= kind
if null argl then keyedSystemError("S2GE0009",[op])
phrase:=
cacheCount=1 => ['"computed value only"]
[:bright cacheCount,'"computed values"]
sayBrightly [:bright op,'"will save last",:phrase]
auxfn:= INTERNL(op,'";")
g1:= GENSYM() --argument or argument list
[arg,computeValue] :=
argl is [.] => [[g1],[auxfn,g1]] --g1 is a parameter
[g1,['APPLX,['function,auxfn],g1]] --g1 is a parameter list
cacheName:= INTERNL(op,'";AL")
if $reportCounts=true then
hitCounter:= INTERNL(op,'";hit")
callCounter:= INTERNL(op,'";calls")
SET(hitCounter,0)
SET(callCounter,0)
callCountCode:= [['SETQ,callCounter,['QSADD1,callCounter]]]
hitCountCode:= [['SETQ,hitCounter,['QSADD1,hitCounter]]]
g2:= GENSYM() --length of cache or arg-value pair
g3:= GENSYM() --value computed by calling function
lookUpFunction:=
shiftFl =>
countFl => 'assocCacheShiftCount
'assocCacheShift
countFl => 'assocCacheCount
'assocCache
returnFoundValue:=
countFl => ['CDDR,g3]
['CDR,g3]
namePart:=
countFl => cacheName
MKQ cacheName
secondPredPair:=
-- null argl => [cacheName]
[['SETQ,g3,[lookUpFunction,g1,namePart,eqEtc]],
:hitCountCode,
returnFoundValue]
resetCacheEntry:=
countFl => ['CONS,1,g2]
g2
thirdPredPair:=
-- null argl => ['(QUOTE T),['SETQ,cacheName,computeValue]]
['(QUOTE T),
['SETQ,g2,computeValue],
['SETQ,g3,['CAR,cacheName]],
['RPLACA,g3,g1],
['RPLACD,g3,resetCacheEntry],
g2]
codeBody:= ['PROG,[g2,g3],
:callCountCode,
['RETURN,['COND,secondPredPair,thirdPredPair]]]
lamex:= ['LAM,arg,codeBody]
mainFunction:= [op,lamex]
computeFunction:= [auxfn,['LAMBDA,argl,:body]]
-- compile generated function stub
compileInteractive mainFunction
-- compile main body: this has already been compTran'ed
if $reportCompilation then
sayBrightlyI bright '"Generated LISP code for function:"
pp computeFunction
compileQuietly [computeFunction]
cacheType:= 'function
cacheResetCode:= ['SETQ,cacheName,['initCache,cacheCount]]
cacheCountCode:= ['countCircularAlist,cacheName,cacheCount]
cacheVector:= mkCacheVec(op,cacheName,cacheType,
cacheResetCode,cacheCountCode)
LAM_,EVALANDFILEACTQ ['PUT, MKQ op, MKQ 'cacheInfo, MKQ cacheVector]
LAM_,EVALANDFILEACTQ cacheResetCode
if $InteractiveMode then stopTimingProcess 'compilation
op
compHash(op,argl,body,cacheNameOrNil,eqEtc,countFl) ==
--Note: when cacheNameOrNil^=nil, it names a global hashtable
-- cacheNameOrNil => compHashGlobal(op,argl,body,cacheNameOrNil,eqEtc,countFl)
-- This branch to compHashGlobal is now omitted; as a result,
-- entries will be stored on the global hashtable in a uniform way:
-- (<argument list>, <reference count>,:<value>)
-- where the reference count is optional
if cacheNameOrNil and cacheNameOrNil^='_$ConstructorCache then
keyedSystemError("S2GE0010",[op])
--restriction due to omission of call to hputNewValue (see *** lines below)
if null argl then
null cacheNameOrNil => keyedSystemError("S2GE0011",[op])
nil
(not cacheNameOrNil) and (not MEMQ(eqEtc,'(EQ CVEC UEQUAL))) =>
keyedSystemError("S2GE0012",[op])
--withWithout := (countFl => "with"; "without")
--middle:=
-- cacheNameOrNil => ["on","%b",cacheNameOrNil,"%d"]
-- '"privately "
--sayBrightly
-- ["%b",op,"%d","hashes ",:middle,withWithout," reference counts"]
auxfn:= INTERNL(op,'";")
g1:= GENSYM() --argument or argument list
[arg,cacheArgKey,computeValue] :=
-- arg: to be used as formal argument of lambda construction;
-- cacheArgKey: the form used to look up the value in the cache
-- computeValue: the form used to compute the value from arg
null argl => [nil,nil,[auxfn]]
argl is [.] =>
key:= (cacheNameOrNil => ['devaluate,g1]; g1)
[[g1],['LIST,key],[auxfn,g1]] --g1 is a parameter
key:= (cacheNameOrNil => ['devaluateList,g1] ; g1)
[g1,key,['APPLY,['function,auxfn],g1]] --g1 is a parameter list
cacheName:= cacheNameOrNil or INTERNL(op,'";AL")
if $reportCounts=true then
hitCounter:= INTERNL(op,'";hit")
callCounter:= INTERNL(op,'";calls")
SET(hitCounter,0)
SET(callCounter,0)
callCountCode:= [['SETQ,callCounter,['QSADD1,callCounter]]]
hitCountCode:= [['SETQ,hitCounter,['QSADD1,hitCounter]]]
g2:= GENSYM() --value computed by calling function
returnFoundValue:=
null argl =>
-- if we have a global hastable, functions with no arguments are
-- stored in the same format as those with several arguments, e.g.
-- to cache the value <val> given by f(), the structure
-- ((nil <count> <val>)) is stored in the cache
countFl => ['CDRwithIncrement,['CDAR,g2]]
['CDAR,g2]
countFl => ['CDRwithIncrement,g2]
g2
getCode:=
null argl => ['HGET,cacheName,MKQ op]
cacheNameOrNil =>
eqEtc^='EQUAL =>
['lassocShiftWithFunction,cacheArgKey,
['HGET,cacheNameOrNil,MKQ op],MKQ eqEtc]
['lassocShift,cacheArgKey,['HGET,cacheNameOrNil,MKQ op]]
['HGET,cacheName,g1]
secondPredPair:= [['SETQ,g2,getCode],:hitCountCode,returnFoundValue]
putCode:=
null argl =>
cacheNameOrNil =>
countFl => ['CDDAR,['HPUT,cacheNameOrNil,MKQ op,
['LIST,['CONS,nil,['CONS,1,computeValue]]]]]
['HPUT,cacheNameOrNil,MKQ op,['LIST,['CONS,nil,computeValue]]]
systemError '"unexpected"
cacheNameOrNil => computeValue
--countFl => ['CDR,['hputNewProp,cacheNameOrNil,MKQ op,cacheArgKey, --***
-- ['CONS,1,computeValue]]] --***
--['hputNewProp,cacheNameOrNil,MKQ op,cacheArgKey,computeValue] --***
countFl => ['CDR,['HPUT,cacheName,g1,['CONS,1,computeValue]]]
['HPUT,cacheName,g1,computeValue]
if cacheNameOrNil then putCode :=
['UNWIND_-PROTECT,['PROG1,putCode,['SETQ,g2,'T]],
['COND,[['NOT,g2],['HREM,cacheName,MKQ op]]]]
thirdPredPair:= ['(QUOTE T),putCode]
codeBody:= ['PROG,[g2],
:callCountCode,['RETURN,['COND,secondPredPair,thirdPredPair]]]
lamex:= ['LAM,arg,codeBody]
mainFunction:= [op,lamex]
computeFunction:= [auxfn,['LAMBDA,argl,:body]]
-- compile generated function stub
compileInteractive mainFunction
-- compile main body: this has already been compTran'ed
if $reportCompilation then
sayBrightlyI bright '"Generated LISP code for function:"
pp computeFunction
compileQuietly [computeFunction]
if null cacheNameOrNil then
cacheType:=
countFl => 'hash_-tableWithCounts
'hash_-table
weakStrong:= (countFl => 'STRONG; 'WEAK)
--note: WEAK means that key/value pairs disappear at garbage collection
cacheResetCode:=
['SETQ,cacheName,['MAKE_-HASHTABLE,MKQ eqEtc]]
cacheCountCode:= ['hashCount,cacheName]
cacheVector:=
mkCacheVec(op,cacheName,cacheType,cacheResetCode,cacheCountCode)
LAM_,EVALANDFILEACTQ ['PUT, MKQ op, MKQ 'cacheInfo, MKQ cacheVector]
LAM_,EVALANDFILEACTQ cacheResetCode
op
compHashGlobal(op,argl,body,cacheName,eqEtc,countFl) ==
--Note: when cacheNameOrNil^=nil, it names a global hashtable
if (not MEMQ(eqEtc,'(UEQUAL))) then
sayBrightly "for hash option, only EQ, CVEC, and UEQUAL are allowed"
auxfn:= INTERNL(op,'";")
g1:= GENSYM() --argument or argument list
[arg,cacheArgKey,computeValue] :=
-- arg: to be used as formal argument of lambda construction;
-- cacheArgKey: the form used to look up the value in the cache
-- computeValue: the form used to compute the value from arg
application:=
null argl => [auxfn]
argl is [.] => [auxfn,g1] --g1 is a parameter
['APPLX,['function,auxfn],g1] --g1 is a parameter list
[g1,['consForHashLookup,MKQ op,g1],application]
g2:= GENSYM() --value computed by calling function
returnFoundValue:=
countFl => ['CDRwithIncrement,g2]
g2
getCode:= ['HGET,cacheName,cacheArgKey]
secondPredPair:= [['SETQ,g2,getCode],returnFoundValue]
putForm:= ['CONS,MKQ op,g1]
putCode:=
countFl => ['HPUT,cacheName,putForm,['CONS,1,computeValue]]
['HPUT,cacheName,putForm,computeValue]
thirdPredPair:= ['(QUOTE T),putCode]
codeBody:= ['PROG,[g2], ['RETURN,['COND,secondPredPair,thirdPredPair]]]
lamex:= ['LAM,arg,codeBody]
mainFunction:= [op,lamex]
computeFunction:= [auxfn,['LAMBDA,argl,:body]]
compileInteractive mainFunction
compileInteractive computeFunction
op
consForHashLookup(a,b) ==
RPLACA($hashNode,a)
RPLACD($hashNode,b)
$hashNode
CDRwithIncrement x ==
RPLACA(x,QSADD1 CAR x)
CDR x
HGETandCount(hashTable,prop) ==
u:= HGET(hashTable,prop) or return nil
RPLACA(u,QSADD1 CAR u)
u
clearClams() ==
for [fn,kind,:.] in $clamList | kind = 'hash or INTEGERP kind repeat
clearClam fn
clearClam fn ==
infovec:= GETL(fn,'cacheInfo) or keyedSystemError("S2GE0003",[fn])
eval infovec.cacheReset
reportAndClearClams() ==
cacheStats()
clearClams()
clearConstructorCaches() ==
clearCategoryCaches()
CLRHASH $ConstructorCache
clearConstructorCache(cname) ==
(kind := GETDATABASE(cname,'CONSTRUCTORKIND)) =>
kind = 'category => clearCategoryCache cname
HREM($ConstructorCache,cname)
clearConstructorAndLisplibCaches() ==
clearClams()
clearConstructorCaches()
clearCategoryCaches() ==
for name in allConstructors() repeat
if GETDATABASE(name,'CONSTRUCTORKIND) = 'category then
if BOUNDP(cacheName:= INTERNL STRCONC(PNAME name,'";AL"))
then SET(cacheName,nil)
if BOUNDP(cacheName:= INTERNL STRCONC(PNAME name,'";CAT"))
then SET(cacheName,nil)
clearCategoryCache catName ==
cacheName:= INTERNL STRCONC(PNAME catName,'";AL")
SET(cacheName,nil)
displayHashtable x ==
l:= NREVERSE SORTBY('CAR,[[opOf HGET(x,key),key] for key in HKEYS x])
for [a,b] in l repeat
sayBrightlyNT ['%b,a,'%d]
pp b
cacheStats() ==
for [fn,kind,:u] in $clamList repeat
not MEMQ('count,u) =>
sayBrightly ["%b",fn,"%d","does not keep reference counts"]
INTEGERP kind => reportCircularCacheStats(fn,kind)
kind = 'hash => reportHashCacheStats fn
sayBrightly ["Unknown cache type for","%b",fn,"%d"]
reportCircularCacheStats(fn,n) ==
infovec:= GETL(fn,'cacheInfo)
circList:= eval infovec.cacheName
numberUsed :=
+/[1 for i in 1..n for x in circList while x isnt [='_$failed,:.]]
sayBrightly ["%b",fn,"%d","has","%b",numberUsed,"%d","/ ",n," values cached"]
displayCacheFrequency mkCircularCountAlist(circList,n)
TERPRI()
displayCacheFrequency al ==
al := NREVERSE SORTBY('CAR,al)
sayBrightlyNT " #hits/#occurrences: "
for [a,:b] in al repeat sayBrightlyNT [a,"/",b," "]
TERPRI()
mkCircularCountAlist(cl,len) ==
for [x,count,:.] in cl for i in 1..len while x ^= '_$failed repeat
u:= ASSOC(count,al) => RPLACD(u,1 + CDR u)
if INTEGERP $reportFavoritesIfNumber and count >= $reportFavoritesIfNumber then
sayBrightlyNT [" ",count," "]
pp x
al:= [[count,:1],:al]
al
reportHashCacheStats fn ==
infovec:= GETL(fn,'cacheInfo)
hashTable:= eval infovec.cacheName
hashValues:= [HGET(hashTable,key) for key in HKEYS hashTable]
sayBrightly [:bright fn,'"has",:bright(# hashValues),'"values cached."]
displayCacheFrequency mkHashCountAlist hashValues
TERPRI()
mkHashCountAlist vl ==
for [count,:.] in vl repeat
u:= ASSOC(count,al) => RPLACD(u,1 + CDR u)
al:= [[count,:1],:al]
al
clearHashReferenceCounts() ==
--free all cells with 0 reference counts; clear other counts to 0
for x in $clamList repeat
x.cacheType='hash_-tableWithCounts =>
remHashEntriesWith0Count eval x.cacheName
x.cacheType='hash_-table => CLRHASH eval x.cacheName
remHashEntriesWith0Count $hashTable ==
MAPHASH(function fn,$hashTable) where fn(key,obj) ==
CAR obj = 0 => HREM($hashTable,key) --free store
nil
initCache n ==
tail:= '(0 . $failed)
l:= [[$failed,:tail] for i in 1..n]
RPLACD(LASTNODE l,l)
assocCache(x,cacheName,fn) ==
--fn=equality function; do not SHIFT or COUNT
al:= eval cacheName
forwardPointer:= al
val:= nil
until EQ(forwardPointer,al) repeat
FUNCALL(fn,CAAR forwardPointer,x) => return (val:= CAR forwardPointer)
backPointer:= forwardPointer
forwardPointer:= CDR forwardPointer
val => val
SET(cacheName,backPointer)
nil
assocCacheShift(x,cacheName,fn) == --like ASSOC except that al is circular
--fn=equality function; SHIFT but do not COUNT
al:= eval cacheName
forwardPointer:= al
val:= nil
until EQ(forwardPointer,al) repeat
FUNCALL(fn, CAR (y:=CAR forwardPointer),x) =>
if not EQ(forwardPointer,al) then --shift referenced entry to front
RPLACA(forwardPointer,CAR al)
RPLACA(al,y)
return (val:= y)
backPointer := forwardPointer --CAR is slot replaced on failure
forwardPointer:= CDR forwardPointer
val => val
SET(cacheName,backPointer)
nil
assocCacheShiftCount(x,al,fn) ==
-- if x is found, entry containing x becomes first element of list; if
-- x is not found, entry with smallest use count is shifted to front so
-- as to be replaced
--fn=equality function; COUNT and SHIFT
forwardPointer:= al
val:= nil
minCount:= 10000 --preset minCount but not newFrontPointer here
until EQ(forwardPointer,al) repeat
FUNCALL(fn, CAR (y:=CAR forwardPointer),x) =>
newFrontPointer := forwardPointer
RPLAC(CADR y,QSADD1 CADR y) --increment use count
return (val:= y)
if QSLESSP(c := CADR y,minCount) then --initial c is 1 so is true 1st time
minCount := c
newFrontPointer := forwardPointer --CAR is slot replaced on failure
forwardPointer:= CDR forwardPointer
if not EQ(newFrontPointer,al) then --shift referenced entry to front
temp:= CAR newFrontPointer --or entry with smallest count
RPLACA(newFrontPointer,CAR al)
RPLACA(al,temp)
val
clamStats() ==
for [op,kind,:.] in $clamList repeat
cacheVec:= GETL(op,'cacheInfo) or systemErrorHere "clamStats"
prefix:=
$reportCounts^= true => nil
hitCounter:= INTERNL(op,'";hit")
callCounter:= INTERNL(op,'";calls")
res:= ["%b",eval hitCounter,"/",eval callCounter,"%d","calls to "]
SET(hitCounter,0)
SET(callCounter,0)
res
postString:=
cacheValue:= eval cacheVec.cacheName
kind = 'hash => [" (","%b",HASH_-TABLE_-COUNT cacheValue,"%d","entries)"]
empties:= numberOfEmptySlots eval cacheVec.cacheName
empties = 0 => nil
[" (","%b",kind-empties,"/",kind,"%d","slots used)"]
sayBrightly
[:prefix,op,:postString]
numberOfEmptySlots cache==
count:= (CAAR cache ='$failed => 1; 0)
for x in tails rest cache while NE(x,cache) repeat
if CAAR x='$failed then count:= count+1
count
addToSlam([name,:argnames],shell) ==
$mutableDomain => return nil
null argnames => addToConstructorCache(name,nil,shell)
args:= ['LIST,:[mkDevaluate a for a in argnames]]
addToConstructorCache(name,args,shell)
addToConstructorCache(op,args,value) ==
['haddProp,'$ConstructorCache,MKQ op,args,['CONS,1,value]]
haddProp(ht,op,prop,val) ==
--called inside functors (except for union and record types ??)
--presently, ht always = $ConstructorCache
statRecordInstantiationEvent()
if $reportInstantiations = true or $reportEachInstantiation = true then
startTimingProcess 'debug
recordInstantiation(op,prop,false)
stopTimingProcess 'debug
u:= HGET(ht,op) => --hope that one exists most of the time
ASSOC(prop,u) => val --value is already there--must = val; exit now
RPLACD(u,[CAR u,:CDR u])
RPLACA(u,[prop,:val])
$op: local := op
listTruncate(u,20) --save at most 20 instantiations
val
HPUT(ht,op,[[prop,:val]])
val
recordInstantiation(op,prop,dropIfTrue) ==
startTimingProcess 'debug
recordInstantiation1(op,prop,dropIfTrue)
stopTimingProcess 'debug
recordInstantiation1(op,prop,dropIfTrue) ==
op in '(CategoryDefaults RepeatedSquaring) => nil--ignore defaults for now
if $reportEachInstantiation = true then
trailer:= (dropIfTrue => '" dropped"; '" instantiated")
if $insideCoerceInteractive= true then
$instantCoerceCount:= 1+$instantCoerceCount
if $insideCanCoerceFrom is [m1,m2] and null dropIfTrue then
$instantCanCoerceCount:= 1+$instantCanCoerceCount
xtra:=
['" for ",outputDomainConstructor m1,'"-->",outputDomainConstructor m2]
if $insideEvalMmCondIfTrue = true and null dropIfTrue then
$instantMmCondCount:= $instantMmCondCount + 1
typeTimePrin ["CONCAT",outputDomainConstructor [op,:prop],trailer,:xtra]
null $reportInstantiations => nil
u:= HGET($instantRecord,op) => --hope that one exists most of the time
v := LASSOC(prop,u) =>
dropIfTrue => RPLAC(CDR v,1+CDR v)
RPLAC(CAR v,1+CAR v)
RPLACD(u,[CAR u,:CDR u])
val :=
dropIfTrue => [0,:1]
[1,:0]
RPLACA(u,[prop,:val])
val :=
dropIfTrue => [0,:1]
[1,:0]
HPUT($instantRecord,op,[[prop,:val]])
reportInstantiations() ==
--assumed to be a hashtable with reference counts
conList:=
[:[[n,m,[key,:argList]] for [argList,n,:m] in HGET($instantRecord,key)]
for key in HKEYS $instantRecord]
sayBrightly ['"# instantiated/# dropped/domain name",
"%l",'"------------------------------------"]
nTotal:= mTotal:= rTotal := nForms:= 0
for [n,m,form] in NREVERSE SORTBY('CADDR,conList) repeat
nTotal:= nTotal+n; mTotal:= mTotal+m
if n > 1 then rTotal:= rTotal + n-1
nForms:= nForms + 1
typeTimePrin ['CONCATB,n,m,outputDomainConstructor form]
sayBrightly ["%b",'"Totals:","%d",nTotal,'" instantiated","%l",
'" ",$instantCoerceCount,'" inside coerceInteractive","%l",
'" ",$instantCanCoerceCount,'" inside canCoerceFrom","%l",
'" ",$instantMmCondCount,'" inside evalMmCond","%l",
'" ",rTotal,'" reinstantiated","%l",
'" ",mTotal,'" dropped","%l",
'" ",nForms,'" distinct domains instantiated/dropped"]
hputNewProp(ht,op,argList,val) ==
--NOTE: obselete if lines *** are commented out
-- Warning!!! This function should only be called for
-- $ConstructorCache slamming --- since it maps devaluate onto prop, an
-- argument list
--
-- This function may be called when property is already there; for
-- example, Polynomial applied to '(Integer), not finding it in the
-- cache will invoke Polynomial to compute it; inside of Polynomial is
-- a call to this function which will hputNewProp the property onto the
-- cache so that when this function is called by the outer Polynomial,
-- the value will always be there
prop:= [devaluate x for x in argList]
haddProp(ht,op,prop,val)
listTruncate(l,n) ==
u:= l
n:= QSSUB1 n
while NEQ(n,0) and null atom u repeat
n:= QSSUB1 n
u:= QCDR u
if null atom u then
if null atom rest u and $reportInstantiations = true then
recordInstantiation($op,CAADR u,true)
RPLACD(u,nil)
l
lassocShift(x,l) ==
y:= l
while not atom y repeat
EQUAL(x,CAR QCAR y) => return (result := QCAR y)
y:= QCDR y
result =>
if NEQ(y,l) then
QRPLACA(y,CAR l)
QRPLACA(l,result)
QCDR result
nil
lassocShiftWithFunction(x,l,fn) ==
y:= l
while not atom y repeat
FUNCALL(fn,x,CAR QCAR y) => return (result := QCAR y)
y:= QCDR y
result =>
if NEQ(y,l) then
QRPLACA(y,CAR l)
QRPLACA(l,result)
QCDR result
nil
lassocShiftQ(x,l) ==
y:= l
while not atom y repeat
EQ(x,CAR CAR y) => return (result := CAR y)
y:= CDR y
result =>
if NEQ(y,l) then
RPLACA(y,CAR l)
RPLACA(l,result)
CDR result
nil
-- rassocShiftQ(x,l) ==
-- y:= l
-- while not atom y repeat
-- EQ(x,CDR CAR y) => return (result := CAR y)
-- y:= CDR y
-- result =>
-- if NEQ(y,l) then
-- RPLACA(y,CAR l)
-- RPLACA(l,result)
-- CAR result
-- nil
globalHashtableStats(x,sortFn) ==
--assumed to be a hashtable with reference counts
keys:= HKEYS x
for key in keys repeat
u:= HGET(x,key)
for [argList,n,:.] in u repeat
not INTEGERP n => keyedSystemError("S2GE0013",[x])
argList1:= [constructor2ConstructorForm x for x in argList]
reportList:= [[n,key,argList1],:reportList]
sayBrightly ["%b"," USE NAME ARGS","%d"]
for [n,fn,args] in NREVERSE SORTBY(sortFn,reportList) repeat
sayBrightlyNT [:rightJustifyString(n,6)," ",fn,": "]
pp args
constructor2ConstructorForm x ==
VECP x => x.0
x
rightJustifyString(x,maxWidth) ==
size:= entryWidth x
size > maxWidth => keyedSystemError("S2GE0014",[x])
[fillerSpaces(maxWidth-size," "),x]
domainEqualList(argl1,argl2) ==
--function used to match argument lists of constructors
while argl1 and argl2 repeat
item1:= devaluate CAR argl1
item2:= CAR argl2
partsMatch:=
item1 = item2 => true
false
null partsMatch => return nil
argl1:= rest argl1; argl2 := rest argl2
argl1 or argl2 => nil
true
removeAllClams() ==
for [fun,:.] in $clamList repeat
sayBrightly ['"Un-clamming function",'%b,fun,'%d]
SET(fun,eval INTERN STRCONC(STRINGIMAGE fun,'";"))
@
\eject
\begin{thebibliography}{99}
\bibitem{1} nothing
\end{thebibliography}
\end{document}
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