Jean-Philippe Bempel @[email protected] @jpbempel
Sr Sw Eng @Datadoghq, optimize software running on JVM. Love performance topics and mechanical sympathy supporter. Java Champion & @javamissionctrl committer jpbempel.github.io Paris Joined September 2010-
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How many more shapes can the JFR context take? Let's see - jbachorik.github.io/posts/differen… #java #jfr @OpenJDK #observability #performance #profiling
"Look ma, I can trade pointer chasing for memory allocations and still win in (some) benchmarks." Seriously, this was quite a rollercoaster. I had a subtle bug causing perf. degradation. After fixing the bug it looks like a win in many situations. 😅😎
"Look ma, I can trade pointer chasing for memory allocations and still win in (some) benchmarks." Seriously, this was quite a rollercoaster. I had a subtle bug causing perf. degradation. After fixing the bug it looks like a win in many situations. 😅😎
@ghostdogpr Datadog has a new profiling feature to show tasks which waited for a long time in queues in the timeline. It involves a little bit of instrumentation of the core JDK and is aimed primarily Java, but I’m interested to know if it’s useful for scheduler bound Scala workflows.
@i_bogosavljevic No, you're not hallucinating. It's part of the Intel Resource Director family of features called "Cache Pseudo Locking". The Linux kernel supports it, as well. I've never used it personally because the HFT game is won or lost in the L1d anyway🤷🏾♂️
I just published the slides of the #VectorAPI talk I did at @DevoxxFR here: speakerdeck.com/josepaumard/si…
Targeted to JDK 23: JEP 466: Class-File API (Second Preview): openjdk.org/jeps/466 #jdk23 #openjdk #java
New candidate JEP: JEP 474: ZGC: Generational Mode by Default: openjdk.org/jeps/474 #openjdk #java
New candidate JEP: JEP 475: Late Barrier Expansion for G1: openjdk.org/jeps/475 #openjdk #java
JMC 9.0.0 General-Availability Release is here! Release Notes: oracle.com/java/technolog… JMC Installation Instructions: oracle.com/java/technolog… JMC User Guide: docs.oracle.com/en/java/java-c… Downloads: jdk.java.net/jmc/9/ #OpenJDK #JDKMissionControl #JMC
@lemire I'm sure there are instances where it will in cases of devirtualization. But my gripe w/the article is that its author puts zero in effort into understanding/explaining his results. It's just a color-coded spreadsheet that sent HN into a tizzy🤷🏾♂️
📺 "Programmer's Guide to JDK Flight Recorder" Great session on #JFR and how to use it in your @java apps; touching on recording control, custom events, analysis, testing, and more. Including honorable mention of #JFRUnit 🥳. Must-watch, by @jaokim2001! youtube.com/watch?v=AgFOJE…
Nitsan Wakart @nitsanw, a key contributor to JCTools - Java Concurrency Tools for the JVM, is well-versed in memory management. Join us at #GeeCON as he explores the fundamentals of JVM memory usage. 2024.geecon.org/speakers/info.…
JMC 9 changes : inside.java/2024/04/21/sip… #JFR #FlightRecorder #java
I have updated the draft PR on the JFR contextual events and the accompanying description, if this is your cup of tea. Looking for comments! github.com/openjdk/jdk/pu… @OpenJDK #jfr #java #profiling #performance #jvm
Learn how to create your own blazingly fast network packet filter with eBPF, XDP, and Java in this weeks edition of my hello-ebpf series: mostlynerdless.de/blog/2024/04/2…
Colleagues think I'm an expert w/the perf tool. HA! I can't tell you how often I've stumbled upon new perf functionality that I had no idea existed (for YEARS in some cases). For example, check out this one: pramodkumbhar.com/2024/04/linux-…
Practical Performance Analysis by Simone Bordet youtube.com/watch?v=tn1Q7-… @simonebordet #jvmperformance
In case you missed it, we recently released a jextract guide: github.com/openjdk/jextra…
Matt Godbolt describes how hardware is deployed in the low latency HFT space: youtu.be/42AUkkN_nBs?si…
Watch @DVyazelenko's talk at @VoxxedZurich on guidelines to help design efficient, maintainable applications in the #LowLatency space and to navigate the trade-offs. Also, look at the implementation of these principles in #Aeron. eu1.hubs.ly/H08Gkp20 #OSS #OpenSource #VDZ24
Gunnar Morling 🌍 @gunnarmorling
51K Followers 302 Following Software engineer @Decodableco · Ex-lead of Debezium · Spec lead of Bean Validation 2.0 · Creator of JfrUnit, kcctl and MapStruct · Java Champion · 🚴
Aleksey Shipilëv @shipilev
27K Followers 596 Following In love-hate relationship with the machines. "Naval mine"-shaped developer. Personal account, expect some shit-posting. Currently: everything OpenJDK at AWS.
Heinz Kabutz 🏝 �.. @heinzkabutz
17K Followers 448 Following Author of mildly entertaining and somewhat useful #Java Specialists’ Newsletter. Email is heinz at javaspecialists dot eu.
Josh Long @starbuxman
77K Followers 4K Following Spring Developer Advocate (@Java_Champions & @Kotlin @GoogleDevExpert) @VMwareTanzu 🍃🐲 📽️ https://t.co/A2wBUe0b0A
javinpaul @javinpaul
94K Followers 8K Following Blogger - https://t.co/Cxgp9zzN3y Creator - https://t.co/GYls4Lx9DW newsletter - https://t.co/P8jiQ5GW16 youtube - https://t.co/vs4WjwaEQ6
Sharat Chander | 🟧.. @Sharat_Chander
20K Followers 5K Following 🏳️🌈 🇺🇸 🇮🇳 🇺🇦 🇮🇱 🇵🇸 | LEGACY VERIFIED | 🥃 lover | #DevRel expert | 💜 @DepecheMode | @UofMaryland & @LoyolaMaryland grad | Views mine
Johannes Bechberger @parttimen3rd
1K Followers 112 Following Hacking on OpenJDK and profilers at @SweetSapMachine
@Peter Lawrey@mastodo.. @PeterLawrey
8K Followers 766 Following CEO of @Chronicle_SW (Software) Java Champion, author of Vanilla Java, performance specialist, 13K answers on StackOverflow
@BriceDutheil@mastodo.. @BriceDutheil
2K Followers 410 Following dad — java dev — @datadoghq — past @mockitojava core dev, previously @DevoxxFR java track lead // like|retweet are not endorsement & opinions are my own
Andrei Pangin @AndreiPangin
5K Followers 35 Following JVM enthusiast. Java Champion. Author of async-profiler. Principal Engineer at AWS. Top #JVM answerer on Stack Overflow.
Nitsan "Yak" Wakart @nitsanw
3K Followers 230 Following What I post here should not even be seriously considered as my views, let alone anybody elses.
Bartosz Adamczewski @badamczewski01
16K Followers 990 Following ⚫ Concurrency, Performance, Machine Learning, #dataorienteddesign ⚫ R&I Director - I lead CS & DS teams ⚫ Making a Compiler ⚫ Links - https://t.co/1wD23D7xrt
Felix Geisendörfer @felixge
13K Followers 2K Following Senior Staff @datadoghq working on Go Profiling, Performance, OpenTelemetry and more. Before: @Apple, Co-founder @transloadit, @nodejs core dev
Jaromir Hamala @jerrinot
2K Followers 2K Following I play with distributed systems by day and poke various runtimes by night. Engineer @QuestDB, @Hazelcast alumnus.
Marcus Hirt @hirt
3K Followers 299 Following Java nerd heavily into production time profiling and diagnostics. Loves playing the piano. Pastafari.
Foojay.io @foojayio
19K Followers 1K Following https://t.co/79DlsBV1yM: a place for friends of OpenJDK (https://t.co/bm1vJXRJlN)! Twitter handle run by @geertjanw, @ypoirier, @bazlur_rahman, @tobiasbriones_!
Peter Veentjer @PeterVeentjer
1K Followers 195 Following Performance engineer ex-Scylla, ex-Hazelcast.
Henry Osei @rocathecoder
136 Followers 4K Following ☁️ Cloud 🛠️ DevOps 🔑 Security 🐧 Linux 🐍 Python ☕️ Java 🐘 PostgreSQL
Java @java
569K Followers 756 Following The official page of the #1 programming language and development platform.
Jonathan Vila 🥑 �.. @vilojona
4K Followers 2K Following Developer Advocate 🥑 #Java @sonarsource | @Java_Champions | @BarcelonaJUG organiser | @Dev_Bcn & @JBCNConf cofounder | Ex @TetrateIO @RedHat @OcadoTechnology
Simon Martinelli @simas_ch
7K Followers 2K Following Java Champion, Vaadin Champion, Oracle ACE Associate, Speaker, Programming Architect, and Lecturer for Software Architecture, Java, Persistence, and DevOps.
Diogo Moreira @diogodmoreira
230 Followers 735 Following Software Development Professor @ IFPB • Software Engineer • Researcher. Here to mainly talk about code, music and games. 🇧🇷🏳️🌈
🐍Furkan Onder🐍 @fsyscall
4K Followers 4K Following @thepsf Triage Member | Focusing on CPython #LKD #Python #ArchLinux #Django #eBPF
Sebastian Largacha @slargacha0
42 Followers 526 Following
Michelle Raucci @michelle_r70432
123 Followers 2K Following
Himanshu Upadhyay @_ihimanshu19
23 Followers 224 Following
zapjpn @zapjpm
25 Followers 163 Following
Marian Catalin @mariancatalin0
6 Followers 177 Following
Ankur @Ankuryogi11
250 Followers 4K Following Data and Engineering ....................... A breathing creature on planet earth The true power of science is bruteforce .Stop fitting inn
Scott Tsai @scottttw
206 Followers 1K Following Thundercore. Web3. ❤️ Distributed systems and concurrency.
Ana Maika @Ann_Maika0018
137 Followers 665 Following Do what you feel in your heart to be right―for you’ll be criticized anyway
EugeneWythe @EugeneWyth30815
105 Followers 2K Following
fofo🔥🔥 @AichaLaafia
2K Followers 465 Following Java Software engineer • @WomenTechmakers ambassador • I enjoy food, code, volunteering & F1 • Opinions are all mine | Pronounced She/Her
Gerd Aschemann @asche.. @GerdAschemann
1K Followers 2K Following he/him, software architect + developer, married to @KatrinRabow, likes salsa, co-organizer of @jug_da, Impressum: https://t.co/VtV8Y5BnrC
Matthias Fenech @tiiaasss
52 Followers 554 Following
lalalalalalalala @jRADCWduz998Yll
0 Followers 39 Following
karthik @karth46
63 Followers 685 Following
Artem Krylysov @akrylysov
488 Followers 180 Following Databases and distributed systems. Working at Datadog on Metrics.
ataiger @ataiger
112 Followers 1K Following
lurk @lurk70824490
20 Followers 78 Following
Erik C. Thauvin @ethauvin
546 Followers 645 Following Writing software for over 40 years. French. Apple US then started/sold a few companies. Lots of consulting. Java Linkblog. Java Developer's Journal column.
🃏 𝑱𝒂𝒄𝒐.. @jcobjoss777
188 Followers 608 Following 📚 Backend Engineer | Javalover #Java ☕ | #microservicios y #Spring 🌱 | Apasionado por la ciberseguridad 🤖 | human drummer 🥁
Wenbo Jiang @wilburjiang6
29 Followers 245 Following
Samujjal Majumder �.. @samujjalm
290 Followers 742 Following Software Engineer @TradeRepublic, Ex-Wayfair, Zalando Interests - Kotlin, Java, Reactive and distributed Systems
Şahin Ağasıyev @sahin_aga0110
2 Followers 54 Following
Pawan Kartik @SPawanKartik
124 Followers 713 Following • @OfficialUoM • Previously: Compilers, Runtimes, PLs, Tooling, and Static Analysis @DeepSourceHQ (YC W20).
Alfonso² Peterssen�.. @TheMukel
281 Followers 499 Following @GraalVM padawan at Oracle Labs. Working on Java on Truffle aka Espresso: A meta-circular Java bytecode interpreter for GraalVM.
Sanne @SanneGrinovero
2K Followers 666 Following Hibernate team lead & Quarkus R&D. Architect @ Red Hat. Java Champion. Maniacal tendencies to improve any OSS project he likes.
zo0oreth @zo0oreth
26 Followers 472 Following
Ganapathi Basimsetti @Ganapathi004
126 Followers 250 Following Software engineer gathering knowledge to have an opinion on Twitter tech conversations.
Ankit Singh @ankits814
3 Followers 1K Following
Roly_UA 🇵🇪 @rooo2023
16 Followers 424 Following git clone "Systems engineer l Java l Laravel l PHP l MYSQL" desarrollador de software 🔎 Blog: https://t.co/YmfuDWCWTl
alexandreab @alexandreab
43 Followers 292 Following Sr Java Engineer, Triathlete and focused on results
Dr Ian Preston @Ianopolous
591 Followers 2K Following Mathematician/particle physicist turned privacy researcher. @Peergos co-founder. @[email protected]
anil chalil @anilhalil
69 Followers 385 Following
Arhum Raza @Arhum_Raza
39 Followers 148 Following
Gunnar Morling 🌍 @gunnarmorling
51K Followers 302 Following Software engineer @Decodableco · Ex-lead of Debezium · Spec lead of Bean Validation 2.0 · Creator of JfrUnit, kcctl and MapStruct · Java Champion · 🚴
Aleksey Shipilëv @shipilev
27K Followers 596 Following In love-hate relationship with the machines. "Naval mine"-shaped developer. Personal account, expect some shit-posting. Currently: everything OpenJDK at AWS.
Heinz Kabutz 🏝 �.. @heinzkabutz
17K Followers 448 Following Author of mildly entertaining and somewhat useful #Java Specialists’ Newsletter. Email is heinz at javaspecialists dot eu.
Rafael Winterhalter @rafaelcodes
13K Followers 170 Following software consultant who likes static typing, coding at https://t.co/wYTncvbVXm 🇧🇻🇩🇪🇪🇺 - @[email protected]
Johannes Bechberger @parttimen3rd
1K Followers 112 Following Hacking on OpenJDK and profilers at @SweetSapMachine
@Peter Lawrey@mastodo.. @PeterLawrey
8K Followers 766 Following CEO of @Chronicle_SW (Software) Java Champion, author of Vanilla Java, performance specialist, 13K answers on StackOverflow
Krzysztof Ślusarski @k_slusar
346 Followers 60 Following
@BriceDutheil@mastodo.. @BriceDutheil
2K Followers 410 Following dad — java dev — @datadoghq — past @mockitojava core dev, previously @DevoxxFR java track lead // like|retweet are not endorsement & opinions are my own
Andrei Pangin @AndreiPangin
5K Followers 35 Following JVM enthusiast. Java Champion. Author of async-profiler. Principal Engineer at AWS. Top #JVM answerer on Stack Overflow.
Nitsan "Yak" Wakart @nitsanw
3K Followers 230 Following What I post here should not even be seriously considered as my views, let alone anybody elses.
Kelly Sommers @kellabyte
47K Followers 325 Following Backend brat, big data, distributed diva. Relentless learner. Voids warranties. BitEarther. World isn’t round or a flat plane, it’s a simulation on a flat file
Andres Almiray @aalmiray
11K Followers 386 Following I code for fun and help others in the process. Java Champion. Co-founder of Hackergarten & Hack.Commit.Push. Creator of @jreleaser 🚀
Bartosz Adamczewski @badamczewski01
16K Followers 990 Following ⚫ Concurrency, Performance, Machine Learning, #dataorienteddesign ⚫ R&I Director - I lead CS & DS teams ⚫ Making a Compiler ⚫ Links - https://t.co/1wD23D7xrt
OpenJDK @OpenJDK
42K Followers 0 Following The place to collaborate on an open-source implementation of the Java Platform, Standard Edition, and related projects · 🐘 https://t.co/UtKelUz9Xh
Felix Geisendörfer @felixge
13K Followers 2K Following Senior Staff @datadoghq working on Go Profiling, Performance, OpenTelemetry and more. Before: @Apple, Co-founder @transloadit, @nodejs core dev
Jaromir Hamala @jerrinot
2K Followers 2K Following I play with distributed systems by day and poke various runtimes by night. Engineer @QuestDB, @Hazelcast alumnus.
Marcus Hirt @hirt
3K Followers 299 Following Java nerd heavily into production time profiling and diagnostics. Loves playing the piano. Pastafari.
Brendan Gregg @brendangregg
46K Followers 167 Following Makes things fast. Expert in computer performance and eBPF. Intel Fellow, ex-Netflix. Created flame graphs. Aussie. Opinions my own. [email protected]
PerfectSlayer @HardCoding
321 Followers 120 Following Software Engineer @datadoghq / Developer of AdAway (https://t.co/mztpEICU31) / @ParisJUG leader
Ostéopathie - Dériv.. @o_d_e_c
7K Followers 222 Following Lanceur d'alerte sur l'ostéopathie. Lutte contre les dérives thérapeutiques et sectaires. Youtube : https://t.co/Bj5aDMTthZ
Myrto TRIPATHI @MyrtoTripathi
10K Followers 827 Following Ingénieure, laïque, proscience, humanité ET planète. Humble devant les faits. Les travestir ne sert aucune bonne cause. Présidente des Voix et RePlanet France
Fantine & Hippocrate .. @FantineEtHippo
5K Followers 430 Following ''On est en droit d'exiger de celui qui prétend avoir des notions positives sur les choses, qu'il fasse toujours triompher son argumentation''. Hippocrate
Justin Lee @evanchooly
3K Followers 844 Following Java Champion. Kotlin fanatic. Bit twiddler. New Yorker. Pronounces it jif. SSE at @Datadog. @[email protected]
G Milgram @GGmilgram
28K Followers 273 Following Expérimentateur sans blouse blanche. Enquêteur sans moustache. Analyste sans PowerPoint.
Clément Freze @clementfreze
22K Followers 274 Following 🧠 Charlatan professionnel engagé contre la manipulation mentale ! 🎭 Performer / 🗝️ Cartésien / ❌ TEDxTalker / 📽️ Documentariste
Jaroslav Bahorik @BachorikJ
174 Followers 108 Following
GeeCON @GeeCON
4K Followers 228 Following Java and JVM based technologies, dynamic languages, enterprise architectures, patterns, distributed computing ...
Flavio Brasil @fbrasisil
2K Followers 2K Following Effects Shepherd and Itinerant AI Magician he/him
Richard Startin @richardstartin
858 Followers 185 Following
jholusa @jholusa
260 Followers 92 Following Ex-@RedHat (@Infinispan), ex-@hazelcast, now proudly going deep into JVM at @AzulSystems .
Adenot Sophie @Soph_astro
25K Followers 35 Following European Space Agency astronaut. French air and space force helicopter test pilot. #ESAastro2022
Sonic #ClafoutisGate @Sonic_urticant
16K Followers 4K Following Lanceur de craies et d'alerte. Didier RAOULT attaque un "petit prof de maths cinglé" en justice. Pour m'aider: https://t.co/LwvihOhnrb
Ivica Bogosavljevic @i_bogosavljevic
1K Followers 250 Following C/C++ Performance Engineer. I help developer teams make their codes faster :) Performance blog: https://t.co/tZjWN8ZwHP. Consulting: https://t.co/t08CgtvaCb
Casey Muratori @cmuratori
41K Followers 120 Following I want all my garmonbozia. https://t.co/Bdh1Xj2PpV
Jorn Vernee @JornVernee
416 Followers 146 Following Project Panama (foreign) - java.lang.invoke - Engineer at Oracle - Opinions stated here are my own. See also: https://t.co/umoI8DDp1z
Anton Arhipov @antonarhipov
10K Followers 939 Following Developer Advocate @ JetBrains https://t.co/L4EaiCtn6M #java #kotlin #creativecoding #bass #synth & #kettlebells https://t.co/md7MY4CR0v
Télé Pingouins ☢�.. @lePointGenius
6K Followers 361 Following "Rien n'est à craindre, tout est comprendre", Marie Curie....
Acermendax @Acermendax
51K Followers 419 Following Scepticisme ≠ Cynisme Bienveillance ≠ Complaisance Expliquer ≠ Justifier Omnis homo mendax.
Volker Simonis @volker_simonis
2K Followers 169 Following OpenJDK activist and HotSpot addict :) Work: Amazon Corretto
Emmanuelle Ducros @emma_ducros
127K Followers 7K Following -Liberté, liberté chérie- Fièrement @lopinion_fr agriculture/ transports #VoyageenAbsurdie @Europe1. Soutien @SOSPrema. Tweets engagés n'engageant que moi.
Shai Almog @debugagent
2K Followers 1K Following Find me on https://t.co/VK7hrPV4uC @[email protected] and https://t.co/Z364yPOSFa…
Roberto Castañeda Lo.. @robcasloz
485 Followers 511 Following OpenJDK compiler engineer @ Oracle. Interested in programming languages, combinatorial optimization, testing and verification. Views my own.
johnnysswlab.com @johnnysswlab
1K Followers 23 Following We help development teams speed up their C/C++ software. Performance-related blog: https://t.co/FqGMpbEH2w Direct help: https://t.co/3Dn3HMlgqM
Steve Blackburn (@ste.. @stevemblackburn
2K Followers 976 Following Computer scientist, researcher, dad, husband, runner, hiker, collector of garbage. Google Research Scientist, ANU Professor. https://t.co/zPlLF6sKVX
Kako @Kako_line
35K Followers 450 Following Scientifique, femme de convictions et fière de l'être. Travaille dans le Génie Civil et l’énergie. Responsable com scientifique de l’association @7eContinent
Sergey Slotin @sergey_slotin
1K Followers 481 Following I'm teaching sand to think. Anti-war. He/он/er/él/il/他
Omer Raviv @omerraviv
657 Followers 924 Following Engineering Manager @ Datadog. Formerly creator & CTO @ Ozcode. Obsessed with changing the way debuggers work, in your IDE and in the Cloud.
RedHatJava @RedHatJava
3K Followers 162 Following The official Twitter account for Red Hat's Java team covering Java developer related community activities and technology. https://t.co/hCU44Pab3n
Tristan Kamin @TristanKamin
59K Followers 595 Following Le pourcent n'est pas une grandeur physique.
Philip Trettner @PhilipTrettner
217 Followers 325 Following Co-founder and R&D Engineer at Shaped Code. Passion for C++, GameDev, Graphics, Science.
A. Sundararajan @sundararajan_a
2K Followers 379 Following I work at Oracle, India. OpenJDK. https://t.co/8lbMhl92h9 Opinions here are mine. Interests: Java, programming, science, math, education, music, தமிழ்
JChampionsConf @JChampionsConf
2K Followers 106 Following 2024 January 25, 26, 29, 30. Web Site: https://t.co/DBsOCfkm2b Visit our web site to see the schedule and to register. Still FREE and streaming to YouTube.
Mark E. Dawson, Jr. @medawsonjr
2K Followers 200 Following CEO of JabPerf Corp, Contributing Author to "Performance Analysis and Tuning on Modern CPUs" (available on Amazon), Blogger, and Former Amateur Boxer
Halvar Flake @halvarflake
44K Followers 3K Following I do math. And was once asked by R. Morris Sr. : "For whom?" @[email protected] At the moment, for noone.
Ludovic Henry @ludovic_dev
116 Followers 104 Following Working on Java on RISC-V at Rivos Inc. https://t.co/CP7hqp03Kb
Stefan Karlsson @stekarmatrik
637 Followers 253 Following #OpenJDK HotSpot Developer / Maintainer with primary focus on ZGC - stefank@ghostdogpr Datadog has a new profiling feature to show tasks which waited for a long time in queues in the timeline. It involves a little bit of instrumentation of the core JDK and is aimed primarily Java, but I’m interested to know if it’s useful for scheduler bound Scala workflows.
@lemire Not off the top of my head, no. But I can promise you this: if I ever decide to write a rebuttal article, I'll be sure to include multiple examples complete w/assembly & PMU breakdowns instead of just wall-clock timing😊
@lemire I'm sure there are instances where it will in cases of devirtualization. But my gripe w/the article is that its author puts zero in effort into understanding/explaining his results. It's just a color-coded spreadsheet that sent HN into a tizzy🤷🏾♂️
Colleagues think I'm an expert w/the perf tool. HA! I can't tell you how often I've stumbled upon new perf functionality that I had no idea existed (for YEARS in some cases). For example, check out this one: pramodkumbhar.com/2024/04/linux-…
A ceux qui se permettent encore des remarques sexistes dans des confs présentées par des femmes à #DexoxxFr même entre vous dans le public : on vous entend, et franchement posez vous des questions. On s'en passe de vos commentaires voire de votre présence. Sans problème. 🤬
Performance complexity curve by @richardstartin at @qconlondon in @halvarflake performance track
Friendly advice when approaching Tech communities, JUGs or other User Groups: ❌Don't go there to pitch your product, company or services. instead ✅Share your knowledge and experience, how you did certain things, the tech challenges you faced and how you solved them
A million times this
Friendly advice when approaching Tech communities, JUGs or other User Groups: ❌Don't go there to pitch your product, company or services. instead ✅Share your knowledge and experience, how you did certain things, the tech challenges you faced and how you solved them
@dgomezg So many Tech 🥑 still doing it wrong. And they don't see how it backfires. And they don't see that's not the way to "sell me a pen".
There are two primary roles in the day-to-day of a developer and they are in constant tension: debugging and prebugging.
I’ll be talking about balancing software performance and complexity, techniques and tools to find and solve performance problems, and how hashing strings got a lot faster in Java 21 at QCon London on April 8th.
JDK Mission Control 9.0.0 source release available: hirt.se/blog/?p=1477 A big thank you to all the contributors! ❤️ @OpenJDK @javamissionctrl
JMC 9.0 Release Candidate was just tagged! github.com/openjdk/jmc/ta… It is getting closer...
Exception thrown at 0x00007FFD14A85B0C (KernelBase.dll) in corerun.exe: 0x04242420 (parameters: 0x0000000031415927, 0x00007FFBBEF80000, 0x00000030E037DBC0). What are the odds that the parameter's value is PI in hexa?
Had a great time at @JChateauUnconf Leaving with a: few more friends than I came few nice cherished memories richer knowledge than I came with happier mood few new ideas few more pounds/KG, oh what an amazing food Thank you so much, @JosePaumard you set the bar very high.
Picking the right visualisation for your benchmark data is important. These three (line chart, scatter plot, and histogram) make bi-modal nature of the same data apparent in very different ways.
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