tools.image-analyzer.gc-info: ported the docs so now tools.gc-decode is
not needed anymoredb4
Björn Lindqvist
parent
f2a85d1b13
commit
cd8fd7b2a0
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@ -1,128 +0,0 @@
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USING: accessors arrays assocs bit-arrays classes.struct combinators
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combinators.short-circuit compiler compiler.cfg.debugger
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compiler.cfg.instructions compiler.cfg.stack-frame compiler.cfg.utilities
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compiler.codegen.gc-maps compiler.units fry generic grouping kernel math
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namespaces random sequences sequences.generalizations slots.syntax
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tools.gc-decode tools.test vm vocabs words compiler.cfg.linearization ;
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QUALIFIED: cpu.x86.features.private
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QUALIFIED: crypto.aes.utils
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QUALIFIED: effects
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QUALIFIED: llvm.types
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QUALIFIED: opencl
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IN: tools.gc-decode.tests
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! byte-array>bit-array
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{
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?{
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t t t t f t t t
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t f f f f f f f
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}
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} [
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B{ 239 1 } byte-array>bit-array
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] unit-test
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{ ?{ t t t t t t t t } } [ B{ 255 } byte-array>bit-array ] unit-test
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! scrub-bits
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{
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{ }
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} [
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\ decode-gc-maps word>gc-info scrub-bits
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] unit-test
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! decode-gc-maps
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{ f } [
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\ effects:<effect> decode-gc-maps empty?
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] unit-test
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{ f } [
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\ + decode-gc-maps empty?
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] unit-test
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! read-gc-maps
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{ { } } [
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\ decode-gc-maps decode-gc-maps
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] unit-test
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: cfg>gc-maps ( cfg -- gc-maps )
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cfg>insns [ gc-map-insn? ] filter [ gc-map>> ] map
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[ gc-map-needed? ] filter ;
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: tally-gc-maps ( gc-maps -- seq/f )
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[ f ] [ {
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[ [ scrub-d>> length ] map supremum ]
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[ [ scrub-r>> length ] map supremum ]
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[ [ gc-root-offsets ] map largest-spill-slot ]
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[ [ derived-root-offsets ] map [ keys ] map largest-spill-slot ]
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[ length ]
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} cleave 5 narray ] if-empty ;
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! Like word>gc-info but uses the compiler
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: word>gc-info-expected ( word -- seq/f )
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test-regs first dup stack-frame>> stack-frame
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[ cfg>gc-maps tally-gc-maps ] with-variable ;
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: same-gc-info? ( compiler-gc-info gc-info -- ? )
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[ struct-slot-values = ]
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[ [ not ] dip return-address-count>> 0 = and ] 2bi or ;
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! Do it also for a bunch of random words
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: normal? ( word -- ? )
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{ [ generic? ] [ primitive? ] [ inline? ] [ no-compile? ] } 1|| not ;
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{ { } } [
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all-words [ normal? ] filter 50 sample
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[ [ word>gc-info-expected ] [ word>gc-info ] bi same-gc-info? ] reject
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] unit-test
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: base-pointer-groups-expected ( word -- seq )
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test-regs first dup stack-frame>> stack-frame [
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cfg>gc-maps [ derived-root-offsets { } like ] { } map-as
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] with-variable ;
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: base-pointer-groups-decoded ( word -- seq )
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word>gc-info base-pointer-groups [
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[ swap 2array ] map-index [ nip -1 = ] assoc-reject
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] map ;
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! base-pointer-groups
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{ t } [
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\ llvm.types:resolve-types
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[ base-pointer-groups-expected ] [ base-pointer-groups-decoded ] bi =
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] unit-test
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! Tough words #1227
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{ t } [
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\ llvm.types:resolve-types
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[ word>gc-info-expected ] [ word>gc-info ] bi same-gc-info?
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] unit-test
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{ t } [
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\ opencl:cl-queue-kernel
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[ word>gc-info-expected ] [ word>gc-info ] bi same-gc-info?
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] unit-test
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{ t } [
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\ crypto.aes.utils:bytes>words
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[ word>gc-info-expected ] [ word>gc-info ] bi same-gc-info?
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] unit-test
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{ t } [
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\ cpu.x86.features.private:(sse-version)
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[ word>gc-info-expected ] [ word>gc-info ] bi same-gc-info?
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] unit-test
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! Ensure deterministic gc map generation.
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: recompile-word>gc-info ( word -- gc-info )
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[ 1array compile ] keep word>gc-info ;
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: deterministic-gc-info? ( word -- ? )
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20 swap '[
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_ recompile-word>gc-info struct-slot-values
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dup last 0 = [ drop f ] when
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] replicate all-equal? ;
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{ t } [
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\ opencl:cl-queue-kernel deterministic-gc-info?
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] unit-test
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@ -1,59 +0,0 @@
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USING: accessors alien alien.c-types alien.data arrays assocs bit-arrays
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bit-arrays.private classes.struct fry grouping kernel math math.statistics
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sequences sequences.repeating splitting vm words ;
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IN: tools.gc-decode
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! Utils
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: byte-array>bit-array ( byte-array -- bit-array )
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[ integer>bit-array 8 f pad-tail ] { } map-as concat ;
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: (cut-points) ( counts times -- seq )
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<repeats> cum-sum but-last ;
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: reshape-sequence ( seq counts times -- seqs )
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[ (cut-points) split-indices ] keep <groups> flip ;
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: end-address>direct-array ( obj count type -- seq )
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[ heap-size * [ >c-ptr alien-address ] dip - <alien> ] 2keep
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c-direct-array-constructor execute( alien len -- seq ) ;
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: bit-counts ( gc-info -- counts )
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struct-slot-values 3 head ;
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: total-bitmap-bits ( gc-info -- n )
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[ bit-counts sum ] [ return-address-count>> ] bi * ;
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: return-addresses ( gc-info -- seq )
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dup return-address-count>> uint end-address>direct-array ;
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: base-pointers ( gc-info -- seq )
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[ return-addresses ]
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[ return-address-count>> ]
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[ derived-root-count>> ] tri *
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int end-address>direct-array ;
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: base-pointer-groups ( gc-info -- seqs )
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dup base-pointers
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[ return-address-count>> { } <array> ]
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[ swap derived-root-count>> <groups> [ >array ] map ] if-empty ;
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: scrub-bytes ( gc-info -- seq )
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[ base-pointers ] [ total-bitmap-bits bits>bytes ] bi
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uchar end-address>direct-array ;
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: scrub-bits ( gc-info -- seq )
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[ scrub-bytes byte-array>bit-array ] keep total-bitmap-bits head ;
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: scrub-bit-groups ( gc-info -- scrub-groups )
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[ scrub-bits ] [ bit-counts ] [ return-address-count>> ] tri
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[ 2drop { } ] [ reshape-sequence ] if-zero ;
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: read-gc-maps ( gc-info -- assoc )
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[ return-addresses ] [ scrub-bit-groups ] [ base-pointer-groups ] tri
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zip zip ;
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: word>gc-info ( word -- gc-info )
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word-code nip gc-info struct-size - <alien> gc-info memory>struct ;
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: decode-gc-maps ( word -- assoc )
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word>gc-info read-gc-maps ;
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@ -1,15 +1,11 @@
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USING: assocs help.markup help.syntax vm words ;
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IN: tools.gc-decode
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IN: tools.image-analyzer.gc-info
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ARTICLE: "tools.gc-decode" "GC maps decoder"
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ARTICLE: "tools.image-analyzer.gc-info" "GC maps decoder"
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"A vocab that disassembles words gc maps. It's useful to have when debugging garbage collection issues." ;
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HELP: word>gc-info
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{ $values { "word" word } { "gc-info" gc-info } }
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{ $description "Gets the gc-info struct for a word." } ;
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HELP: decode-gc-maps
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{ $values { "word" word } { "assoc" assoc } }
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HELP: word>gc-maps
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{ $values { "word" word } { "gc-maps" assoc } }
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{ $description "Main word of the vocab. Decodes the gc maps for a word into an assoc with the following format:"
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{ $list
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"Each key is the return addess of a gc callsite (delta relative to the start of the code block)."
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@ -25,9 +21,9 @@ HELP: decode-gc-maps
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{ $examples
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{ $unchecked-example
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"USING: effects prettyprint ;"
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"\\ <effect> decode-gc-maps ."
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"{ { 151 { { ?{ } ?{ t t t } ?{ } ?{ } ?{ f t t t t } } { } } } }"
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"\\ <effect> word>gc-maps ."
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"{ { 153 { { ?{ t } ?{ t t t } ?{ f t t t t } } { } } } }"
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}
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} ;
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ABOUT: "tools.gc-decode"
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ABOUT: "tools.image-analyzer.gc-info"
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