Two canonical examples for specialization:
- Function1
- Tuple2
Specializing Function1 is a lot easier because functions do not have specialized fields.
gkossakowski
/ gist:4584460
Created
January 21, 2013 08:11
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| Description Resource Path Location Type | |
| object TypeParameterElementInfo is not a member of package org.eclipse.jdt.internal.core ScalaElements.scala /org.scala-ide.sdt.core/src/scala/tools/eclipse/javaelements line 13 Scala Problem | |
| not found: type JavaElement ScalaElements.scala /org.scala-ide.sdt.core/src/scala/tools/eclipse/javaelements line 27 Scala Problem | |
| object SourceField is not a member of package org.eclipse.jdt.internal.core ScalaElements.scala /org.scala-ide.sdt.core/src/scala/tools/eclipse/javaelements line 13 Scala Problem | |
| object SourceFieldElementInfo is not a member of package org.eclipse.jdt.internal.core ScalaElements.scala /org.scala-ide.sdt.core/src/scala/tools/eclipse/javaelements line 13 Scala Problem | |
| object SourceMethod is not a member of package org.eclipse.jdt.internal.core ScalaElements.scala /org.scala-ide.sdt.core/src/scala/tools/eclipse/javaelements line 13 Scala Problem | |
| object SourceMethodElementInfo is not a member of package org.eclipse.jdt.internal.core ScalaElements.scala /or |
gkossakowski
/ timeline.scala
Last active
December 11, 2015 04:09
A helper script that generates little timeline out of data dumped by https://github.com/gkossakowski/scalac-aspects#typing-timings-typingtimingsaj
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| val input = Stream.continually(Console.readLine).takeWhile(_ != null) | |
| val parsed = input.map(_.trim.split("\\s+").toSeq) | |
| //parsed.take(100).foreach(println) | |
| /** see CSS definition */ | |
| def color(hash: Int): String = { | |
| val hashAbs = math.abs(hash) | |
| val colors = Seq("primary", "secondary-a", "secondary-b", "complement") |
gkossakowski
/ specialization-mh.md
Created
January 11, 2013 21:17
Random ideas from Scala compiler hacker (@gkossakowski) on how we could improve specialization scheme by exploiting MethodHandles.
What you read below is not a plan or a commitment of any kind. I just wanted to get it out from my head and hear what other people think while I'm busy with other things.
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| Grzegorzs-MacBook-Pro:scala grek (2.10.x)$ awk -v startTime=5560684 -v duration=334546 '($1 >= startTime && $1 < startTime+duration) { print }' quick-lib-timings | |
| 5561559 289 scala.collection.Parallelizable.seq source-/Users/grek/scala/scala/src/library/scala/collection/Parallelizable.scala,line-22,offset=1019 | |
| 5562035 484 scala.collection.parallel.ParIterableLike.Repr source-/Users/grek/scala/scala/src/library/scala/collection/parallel/ParIterableLike.scala,line-156,offset=7465 | |
| 5562571 281 scala.collection.GenTraversableOnce.seq source-/Users/grek/scala/scala/src/library/scala/collection/GenTraversableOnce.scala,line-55,offset=1980 | |
| 5561401 1893 scala.collection.parallel.ParIterableLike.seq source-/Users/grek/scala/scala/src/library/scala/collection/parallel/ParIterableLike.scala,line-205,offset=9512 | |
| 5564180 |
gkossakowski
/ release-against-scala-2.11-M1.sbt
Last active
December 10, 2015 19:29
Settings needed to release your sbt-based Scala project against Scala 2.11.0-M1.
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| // release-against-scala-milestone v0.1 | |
| // ALTERED SETTINGS START | |
| scalaVersion := "2.11.0-M1" | |
| // disable cross building completely for releasing against milestones | |
| crossScalaVersions := Seq.empty | |
| scalaBinaryVersion in Global <<= scalaVersion.identity |
gkossakowski
/ gist:4061123
Created
November 12, 2012 18:49
RefinedType accessible through reflection and having different owner depending when the symbol comes from (unpickling vs type-checking)
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| $ cat Foo.scala | |
| object test3 { | |
| trait A; trait C | |
| trait B { self: A with C => | |
| class Inner { | |
| def b = B.this | |
| } | |
| } | |
| } |
gkossakowski
/ eclipsify_sbt.sh
Created
October 19, 2012 00:54
— forked from adriaanm/eclipsify_sbt.sh
rewire sbt's directory structure so it adheres to a standard eclipse can deal with
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| #!/bin/sh | |
| BASE=$HOME/git/xsbt/ | |
| for SRC in `find $BASE -not -path '*/src*/*' -name '*.scala'`;do | |
| PKG=`grep "^\s*package " $SRC | perl -pse 's/\s*package\s*(\w*?)\b/package $1/' | tr -d '\r' | tr -d ';' | cut -d' ' -f2 | tr '\n.' '//'` | |
| mkdir -p `dirname $SRC`/src/main/scala/$PKG | |
| ln -s $SRC `dirname $SRC`/src/main/scala/$PKG`basename $SRC` | |
| done |
gkossakowski
/ gist:3348948
Created
August 14, 2012 12:32
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| strap.clean: | |
| pack.clean: | |
| init.jars.check: | |
| init.jars: | |
| init.maven.tasks: |
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| Possible compiler crash during test of: /Users/grek/scala/scala/test/files/pos/t5957 | |
| java.lang.AssertionError: assertion failed: | |
| while compiling: /Users/grek/scala/scala/test/files/pos/t5957/T_1.scala | |
| during phase: jvm | |
| library version: version 2.10.0-20120719-133117-f18ef37c66 | |
| compiler version: version 2.10.0-20120719-133117-f18ef37c66 | |
| reconstructed args: -deprecation -d /Users/grek/scala/scala/test/files/pos/t5957-pos.obj -classpath /Users/grek/scala/scala/test/files/codelib/code.jar:/Users/grek/scala/scala/build/pack/lib/scala-library.jar:/Users/grek/scala/scala/test/files/pos/t5957-pos.obj:/Users/grek/scala/scala/test/files/pos/t5957:/Users/grek/scala/scala/build/pack/lib/scala-compiler.jar:/Users/grek/scala/scala/build/pack/lib/scala-reflect.jar:/Users/grek/scala/scala/build/pack/lib/scala-library.jar:/Users/grek/scala/scala/build/pack/lib/scala-partest.jar:/Users/grek/scala/scala/lib/fjbg.jar:/Users/grek/scala/scala/build/pack/lib/scalap.jar:/Users/grek/scala/scala/build/pack/lib |
gkossakowski
/ gist:2775822
Created
May 23, 2012 15:13
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| mac-grek:codwh grek (master)$ ./network_test.sh 10 7 queries/q7.ascii | |
| RUNNING:./src/worker 1 2001 localhost:2000 localhost:2001 localhost:2002 localhost:2003 localhost:2004 localhost:2005 localhost:2006 localhost:2007 localhost:2008 localhost:2009 7 & | |
| WARNING: New server, query id = 7 | |
| Awaiting for a job | |
| RUNNING:./src/worker 2 2002 localhost:2000 localhost:2001 localhost:2002 localhost:2003 localhost:2004 localhost:2005 localhost:2006 localhost:2007 localhost:2008 localhost:2009 7 & | |
| RUNNING:./src/worker 3 2003 localhost:2000 localhost:2001 localhost:2002 localhost:2003 localhost:2004 localhost:2005 localhost:2006 localhost:2007 localhost:2008 localhost:2009 7 & | |
| WARNING: New server, query id = 7 | |
| Awaiting for a job | |
| RUNNING:./src/worker 4 2004 localhost:2000 localhost:2001 localhost:2002 localhost:2003 localhost:2004 localhost:2005 localhost:2006 localhost:2007 localhost:2008 localhost:2009 7 & | |
| WARNING: New server, query id = 7 |