FourthGraalAdventures - Revision history

JaroslavTulach: /* Collecting profiles for guided optimizations */

2019-08-30T08:50:06Z

Collecting profiles for guided optimizations

←Older revision		Revision as of 08:50, 30 August 2019
Line 9:		Line 9:
	With this kind of setup the whole orchestration of the containers is simplified. Development produces [[JAR]] files of the application and operations can distribute them to [[Docker]] containers. When needed, they can selectively enable the profiles gathering via a remote [[JMX]] connection. Later they can retrieve the collected data via the same JMX connection and provide them back to development to use them when generating the final [[NativeImage]] binary.		With this kind of setup the whole orchestration of the containers is simplified. Development produces [[JAR]] files of the application and operations can distribute them to [[Docker]] containers. When needed, they can selectively enable the profiles gathering via a remote [[JMX]] connection. Later they can retrieve the collected data via the same JMX connection and provide them back to development to use them when generating the final [[NativeImage]] binary.

-	This all was working in [[GraalVM]] EE 1.0 RC14. Since RC15 it needs an additional option '''-XX:-UseJVMCINativeLibrary ''' to (temporarily) disable the '''libgraal''' compiler. Btw. [[AOTMadeFaster\|Improving performance of GraalVM native images with profile-guided optimizations]] shows how to use the functionality in [[GraalVM]] EE 19.2.0.	+	This all was working in [[GraalVM]] EE 1.0 RC14. Since RC15 it needs an additional option '''-XX:-UseJVMCINativeLibrary ''' to (temporarily) disable the '''libgraal''' compiler. Btw. [[AOTMadeFaster\|Improving performance of GraalVM native images with profile-guided optimizations]] post shows how to use the functionality in [[GraalVM]] EE 19.2.0.
	<!-- GR-13626 -->		<!-- GR-13626 -->

JaroslavTulach: /* Collecting profiles for guided optimizations */

2019-08-30T08:49:48Z

Collecting profiles for guided optimizations

←Older revision		Revision as of 08:49, 30 August 2019
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	With this kind of setup the whole orchestration of the containers is simplified. Development produces [[JAR]] files of the application and operations can distribute them to [[Docker]] containers. When needed, they can selectively enable the profiles gathering via a remote [[JMX]] connection. Later they can retrieve the collected data via the same JMX connection and provide them back to development to use them when generating the final [[NativeImage]] binary.		With this kind of setup the whole orchestration of the containers is simplified. Development produces [[JAR]] files of the application and operations can distribute them to [[Docker]] containers. When needed, they can selectively enable the profiles gathering via a remote [[JMX]] connection. Later they can retrieve the collected data via the same JMX connection and provide them back to development to use them when generating the final [[NativeImage]] binary.

-	This all was working in [[GraalVM]] EE 1.0 RC14. Since RC15 it needs an additional option '''-XX:-UseJVMCINativeLibrary ''' to (temporarily) disable the '''libgraal''' compiler.	+	This all was working in [[GraalVM]] EE 1.0 RC14. Since RC15 it needs an additional option '''-XX:-UseJVMCINativeLibrary ''' to (temporarily) disable the '''libgraal''' compiler. Btw. [[AOTMadeFaster\|Improving performance of GraalVM native images with profile-guided optimizations]] shows how to use the functionality in [[GraalVM]] EE 19.2.0.
	<!-- GR-13626 -->		<!-- GR-13626 -->

JaroslavTulach: /* Universal Secure Scripting API */

2019-06-09T03:55:56Z

Universal Secure Scripting API

←Older revision		Revision as of 03:55, 9 June 2019
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	=== Universal Secure Scripting API ===		=== Universal Secure Scripting API ===

-	[[Nashorn]] got deprecated in [[JDK]]11. As such the [[NetBeans]] community started to seek a replacement. To make the migration as smooth as possible [[I]] started to work on	+	[[Nashorn]] got deprecated in [[JDK]]11. As such the [[NetBeans]] community started to seek a replacement. As a loyal member of [[OracleLabs]] [[I]] was convinced that [[Graal.js]] is the way to go. To make the migration as smooth as possible [[I]] started to work on
	universal {{NB\|org-netbeans-api-scripting\|org/netbeans/api/scripting\|Scripting}} [[API]]. There was no need to hurry until '''CVE-2018-17191''' was reported. Then we needed an immediate action.		universal {{NB\|org-netbeans-api-scripting\|org/netbeans/api/scripting\|Scripting}} [[API]]. There was no need to hurry until '''CVE-2018-17191''' was reported. Then we needed an immediate action.
	The community tried to empower [[Rhino]], but at the end we settled with a secured solution based on [[Nashorn]] with the path paved to switch to [[Graal.js]] - the scripting engine based on [[GraalVM]] and [[Truffle]].		The community tried to empower [[Rhino]], but at the end we settled with a secured solution based on [[Nashorn]] with the path paved to switch to [[Graal.js]] - the scripting engine based on [[GraalVM]] and [[Truffle]].
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	{{NB\|org-netbeans-libs-graalsdk\|org/netbeans/libs/graalsdk\|package-summary}} shows.		{{NB\|org-netbeans-libs-graalsdk\|org/netbeans/libs/graalsdk\|package-summary}} shows.

-	Fixing the vulnerability, polishing [[Graal.js]] and [[Truffle]] for inclusion into [[NetBeans]] kept me busy for half a year. Switching ~~[[NetBeans]]~~ to the latest version of [[GraalVM]] ~~still remains on my TODO list~~.	+	Fixing the vulnerability, polishing [[Graal.js]] and [[Truffle]] for inclusion into [[NetBeans]] kept me busy for half a year. Switching to the latest version 19.0.0 of [[GraalVM]] has been finished for 11.1 release of [[Apache]] [[NetBeans]].

	=== [[Java]] as the Universal [[Language]] ===		=== [[Java]] as the Universal [[Language]] ===

JaroslavTulach: /* Collecting profiles for guided optimizations */

2019-05-06T08:21:12Z

Collecting profiles for guided optimizations

←Older revision		Revision as of 08:21, 6 May 2019
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	With this kind of setup the whole orchestration of the containers is simplified. Development produces [[JAR]] files of the application and operations can distribute them to [[Docker]] containers. When needed, they can selectively enable the profiles gathering via a remote [[JMX]] connection. Later they can retrieve the collected data via the same JMX connection and provide them back to development to use them when generating the final [[NativeImage]] binary.		With this kind of setup the whole orchestration of the containers is simplified. Development produces [[JAR]] files of the application and operations can distribute them to [[Docker]] containers. When needed, they can selectively enable the profiles gathering via a remote [[JMX]] connection. Later they can retrieve the collected data via the same JMX connection and provide them back to development to use them when generating the final [[NativeImage]] binary.

-	This all was working in [[GraalVM]] EE 1.0 RC14. Since RC15 it needs an additional option ''-~~-jvmci~~:-~~UseNativeCompiler~~'' to (temporarily) disable the '''libgraal''' compiler.	+	This all was working in [[GraalVM]] EE 1.0 RC14. Since RC15 it needs an additional option '''-XX:-UseJVMCINativeLibrary ''' to (temporarily) disable the '''libgraal''' compiler.
	<!-- GR-13626 -->		<!-- GR-13626 -->

JaroslavTulach: /* APIReviews */

2019-05-01T05:42:07Z

APIReviews

←Older revision		Revision as of 05:42, 1 May 2019
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	It is impossible to review quality of an [[API]] while designing it. The [[API]] author is ''damaged'' by too much knowledge. He has an endless insight into internals of the [[API]] and cannot approach it with newcomer's eyes. When [[I]] design my [[API]]s, I am also blinded by the "knowledge".		It is impossible to review quality of an [[API]] while designing it. The [[API]] author is ''damaged'' by too much knowledge. He has an endless insight into internals of the [[API]] and cannot approach it with newcomer's eyes. When [[I]] design my [[API]]s, I am also blinded by the "knowledge".

-	As part of [[OracleLabs]] co-operation with universities I started to teach a semester course at [[MatFyz]]. It is called ''Practical Dynamic Compilation'' and it goes deeper than my usual hour or two long highlights of various [[Graal]] or [[Truffle]] features. As such I had to develop completely new material (see the [https://github.com/jaroslavtulach/talk2compiler Talk 2 Compiler] and [https://github.com/JaroslavTulach/SelfGraal Self Language]) repositories and use things that I was aware of, but never needed to know by heart. Btw. similar situation happened when [[I]] was working on [[Graal.js]] and [[Maven]] co-operation in the [~~[graal-js-archetype~~ https://github.com/graalvm/graal-js-archetype] repository.	+	As part of [[OracleLabs]] co-operation with universities I started to teach a semester course at [[MatFyz]]. It is called ''Practical Dynamic Compilation'' and it goes deeper than my usual hour or two long highlights of various [[Graal]] or [[Truffle]] features. As such I had to develop completely new material (see the [https://github.com/jaroslavtulach/talk2compiler Talk 2 Compiler] and [https://github.com/JaroslavTulach/SelfGraal Self Language]) repositories and use things that I was aware of, but never needed to know by heart. Btw. similar situation happened when [[I]] was working on [[Graal.js]] and [[Maven]] co-operation in the [https://github.com/graalvm/graal-js-archetype graal-js-archetype] repository.

	It turned out that there are many hidden assumptions (especially related to [[Truffle]] DSL) that weren't working as [[I]] have originally expected. In fact I performed an [[APIReview]] approaching the [[API]] with my own expectations, but not detailed knowledge of the internals. Looks like I can be quite [[good]] at that. If you have an [[API]] and you want a usability study, [[Talkback]] and [[I]] can help!		It turned out that there are many hidden assumptions (especially related to [[Truffle]] DSL) that weren't working as [[I]] have originally expected. In fact I performed an [[APIReview]] approaching the [[API]] with my own expectations, but not detailed knowledge of the internals. Looks like I can be quite [[good]] at that. If you have an [[API]] and you want a usability study, [[Talkback]] and [[I]] can help!

JaroslavTulach: /* APIReviews */

2019-05-01T05:41:39Z

APIReviews

←Older revision		Revision as of 05:41, 1 May 2019
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	=== [[APIReview]]s ===		=== [[APIReview]]s ===

-	It is impossible to review quality of an [[API]] while designing it. The [[API]] author is ''damaged'' by too much knowledge. He has an endless insight into ~~behavior~~ of the [[API]] and cannot approach it with newcomer's eyes. When [[I]] design my [[API]]s, I am also blinded by the knowledge.	+	It is impossible to review quality of an [[API]] while designing it. The [[API]] author is ''damaged'' by too much knowledge. He has an endless insight into internals of the [[API]] and cannot approach it with newcomer's eyes. When [[I]] design my [[API]]s, I am also blinded by the "knowledge".

	As part of [[OracleLabs]] co-operation with universities I started to teach a semester course at [[MatFyz]]. It is called ''Practical Dynamic Compilation'' and it goes deeper than my usual hour or two long highlights of various [[Graal]] or [[Truffle]] features. As such I had to develop completely new material (see the [https://github.com/jaroslavtulach/talk2compiler Talk 2 Compiler] and [https://github.com/JaroslavTulach/SelfGraal Self Language]) repositories and use things that I was aware of, but never needed to know by heart. Btw. similar situation happened when [[I]] was working on [[Graal.js]] and [[Maven]] co-operation in the [[graal-js-archetype https://github.com/graalvm/graal-js-archetype] repository.		As part of [[OracleLabs]] co-operation with universities I started to teach a semester course at [[MatFyz]]. It is called ''Practical Dynamic Compilation'' and it goes deeper than my usual hour or two long highlights of various [[Graal]] or [[Truffle]] features. As such I had to develop completely new material (see the [https://github.com/jaroslavtulach/talk2compiler Talk 2 Compiler] and [https://github.com/JaroslavTulach/SelfGraal Self Language]) repositories and use things that I was aware of, but never needed to know by heart. Btw. similar situation happened when [[I]] was working on [[Graal.js]] and [[Maven]] co-operation in the [[graal-js-archetype https://github.com/graalvm/graal-js-archetype] repository.

JaroslavTulach: OtherGraalAdventures moved to FourthGraalAdventures

2019-05-01T05:33:03Z

OtherGraalAdventures moved to FourthGraalAdventures

←Older revision

Revision as of 05:33, 1 May 2019

JaroslavTulach: /* APIReviews */

2019-04-30T15:07:05Z

APIReviews

←Older revision		Revision as of 15:07, 30 April 2019
Line 45:		Line 45:
	It is impossible to review quality of an [[API]] while designing it. The [[API]] author is ''damaged'' by too much knowledge. He has an endless insight into behavior of the [[API]] and cannot approach it with newcomer's eyes. When [[I]] design my [[API]]s, I am also blinded by the knowledge.		It is impossible to review quality of an [[API]] while designing it. The [[API]] author is ''damaged'' by too much knowledge. He has an endless insight into behavior of the [[API]] and cannot approach it with newcomer's eyes. When [[I]] design my [[API]]s, I am also blinded by the knowledge.

-	As part of [[OracleLabs]] co-operation with universities I started to teach a semester course at [[MatFyz]]. It is called ''Practical Dynamic Compilation'' and it goes deeper than my usual hour or two long highlights of various [[Graal]] or [[Truffle]] features. As such I had to develop completely new material (see the [https://github.com/jaroslavtulach/talk2compiler Talk 2 Compiler] and [https://github.com/JaroslavTulach/SelfGraal Self Language]) repositories and use things that I was aware of, but never needed to know by heart. Btw. similar situation happened when [[I] was working on [[Graal.js]] and [[Maven]] co-operation in the [[graal-js-archetype https://github.com/graalvm/graal-js-archetype] repository.	+	As part of [[OracleLabs]] co-operation with universities I started to teach a semester course at [[MatFyz]]. It is called ''Practical Dynamic Compilation'' and it goes deeper than my usual hour or two long highlights of various [[Graal]] or [[Truffle]] features. As such I had to develop completely new material (see the [https://github.com/jaroslavtulach/talk2compiler Talk 2 Compiler] and [https://github.com/JaroslavTulach/SelfGraal Self Language]) repositories and use things that I was aware of, but never needed to know by heart. Btw. similar situation happened when [[I]] was working on [[Graal.js]] and [[Maven]] co-operation in the [[graal-js-archetype https://github.com/graalvm/graal-js-archetype] repository.

	It turned out that there are many hidden assumptions (especially related to [[Truffle]] DSL) that weren't working as [[I]] have originally expected. In fact I performed an [[APIReview]] approaching the [[API]] with my own expectations, but not detailed knowledge of the internals. Looks like I can be quite [[good]] at that. If you have an [[API]] and you want a usability study, [[Talkback]] and [[I]] can help!		It turned out that there are many hidden assumptions (especially related to [[Truffle]] DSL) that weren't working as [[I]] have originally expected. In fact I performed an [[APIReview]] approaching the [[API]] with my own expectations, but not detailed knowledge of the internals. Looks like I can be quite [[good]] at that. If you have an [[API]] and you want a usability study, [[Talkback]] and [[I]] can help!

JaroslavTulach: /* Minors */

2019-04-30T15:02:44Z

Minors

←Older revision		Revision as of 15:02, 30 April 2019
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	Of course, achieving that required few fixes in the {{truffle\|org/graalvm/nativeimage\|StackValue}} and especially introduction of {{truffle\|org/graalvm/nativeimage/c/function\|CEntryPoint.Builtin}} builtin. Then the [https://github.com/jaroslavtulach/matrixultimate Matrix the Ultimate] magic become possible.		Of course, achieving that required few fixes in the {{truffle\|org/graalvm/nativeimage\|StackValue}} and especially introduction of {{truffle\|org/graalvm/nativeimage/c/function\|CEntryPoint.Builtin}} builtin. Then the [https://github.com/jaroslavtulach/matrixultimate Matrix the Ultimate] magic become possible.

-	=== ~~Minors~~ ===	+	=== [[APIReview]]s ===

-	* Teaching a course at [[MatFyz]]: Practical Dynamic Compilation	+	It is impossible to review quality of an [[API]] while designing it. The [[API]] author is ''damaged'' by too much knowledge. He has an endless insight into behavior of the [[API]] and cannot approach it with newcomer's eyes. When [[I]] design my [[API]]s, I am also blinded by the knowledge.
-	** Talk 2 compiler: https://github.com/jaroslavtulach/talk2compiler	+
-	** Self Language, https://github.com/JaroslavTulach/SelfGraal	+	As part of [[OracleLabs]] co-operation with universities I started to teach a semester course at [[MatFyz]]. It is called ''Practical Dynamic Compilation'' and it goes deeper than my usual hour or two long highlights of various [[Graal]] or [[Truffle]] features. As such I had to develop completely new material (see the [https://github.com/jaroslavtulach/talk2compiler Talk 2 Compiler] and [https://github.com/JaroslavTulach/SelfGraal Self Language]) repositories and use things that I was aware of, but never needed to know by heart. Btw. similar situation happened when [[I] was working on [[Graal.js]] and [[Maven]] co-operation in the [[graal-js-archetype https://github.com/graalvm/graal-js-archetype] repository.
-	* [[Graal.js]] [[~~maven~~]] archetype ~~updates~~	+
-	** https://github.com/graalvm/graal-js-archetype	+	It turned out that there are many hidden assumptions (especially related to [[Truffle]] DSL) that weren't working as [[I]] have originally expected. In fact I performed an [[APIReview]] approaching the [[API]] with my own expectations, but not detailed knowledge of the internals. Looks like I can be quite [[good]] at that. If you have an [[API]] and you want a usability study, [[Talkback]] and [[I]] can help!


	[[Category:Video]]		[[Category:Video]]

JaroslavTulach: /* Universal Secure Scripting API */

2019-04-27T08:29:53Z

Universal Secure Scripting API

←Older revision		Revision as of 08:29, 27 April 2019
Line 14:		Line 14:
	=== Universal Secure Scripting API ===		=== Universal Secure Scripting API ===

-	[[Nashorn]] got deprecated in [[JDK]]11. As such the [[NetBeans]] community started to seek a replacement. [[I]] started to work on	+	[[Nashorn]] got deprecated in [[JDK]]11. As such the [[NetBeans]] community started to seek a replacement. To make the migration as smooth as possible [[I]] started to work on
	universal {{NB\|org-netbeans-api-scripting\|org/netbeans/api/scripting\|Scripting}} [[API]]. There was no need to hurry until '''CVE-2018-17191''' was reported. Then we needed an immediate action.		universal {{NB\|org-netbeans-api-scripting\|org/netbeans/api/scripting\|Scripting}} [[API]]. There was no need to hurry until '''CVE-2018-17191''' was reported. Then we needed an immediate action.
	The community tried to empower [[Rhino]], but at the end we settled with a secured solution based on [[Nashorn]] with the path paved to switch to [[Graal.js]] - the scripting engine based on [[GraalVM]] and [[Truffle]].		The community tried to empower [[Rhino]], but at the end we settled with a secured solution based on [[Nashorn]] with the path paved to switch to [[Graal.js]] - the scripting engine based on [[GraalVM]] and [[Truffle]].