Peter Veentjer @PeterVeentjer
Principal performance engineer @Hazelcast. Ex-Scylla, ex-Hazelcast. pveentjer.github.io Joined October 2013-
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The Compiler Explorer Story @mattgodbolt recounts the origin story of @CompileExplore, which started as a tmux session with an editor in one pane and running the compiler in a loop in the other. It has grown into a publicly available site, serving over 3M compilations per week.
A big appeal of the Turbo C period was that the internet was barely a thing. There was very little distraction and it was easy to get 'into the zone'. How do you deal with all the distractions? Impossible to work without the internet these days.
There are a lot of advantages to JIT compared to AOT. But with AOT it is so much easier to see the generated assembly without the hassle of setting up a benchmark.
Respect for @dendibakh for doing the reviewing and editing for his performance book. Writing/reviewing is so time-consuming. Try to combine that with a job, family, and social life.
By assuming that technical talent is fungible and interchangeable, a previously-successful engineering company will be run into the ground... ...along with a few of its own products and everyone on board. It's astonishing how certain types of managers will prefer…
By assuming that technical talent is fungible and interchangeable, a previously-successful engineering company will be run into the ground... ...along with a few of its own products and everyone on board. It's astonishing how certain types of managers will prefer…
@eatonphil If you want to build intuition, think about how you are mapping hardware resources (CPU and memory) to your application logic and state. With single-threaded approach, you map a fraction of the CPU and memory with a kernel thread to your application logic and state because the…
Redesigning OLTP for a New Order of Magnitude bit.ly/3TuVzhj by @jorandirkgreef
I'm super excited to be speaking at QCon London in April. Come along and hear me talk about benchmarking and detecting changes in noisy results! qconlondon.com/presentation/a…
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.
Mario Fusco 🇪🇺�.. @mariofusco
42K Followers 332 Following Java Champion ~ Open source advocate ~ Frequent speaker ~ @jugmilano coordinator ~ Drools project lead at @RedHat ~ Pragmatic dreamer ~ Europeist
Pekka Enberg @penberg
7K Followers 1K Following Founder & CTO @tursodatabase. Interested in low latency, systems, and AI. Former @ScyllaDB and Linux.
Jaromir Hamala @jerrinot
2K Followers 2K Following I play with distributed systems by day and poke various runtimes by night. Engineer @QuestDB, @Hazelcast alumnus.
Krzysztof Ślusarski @k_slusar
346 Followers 60 Following
Phil Eaton @eatonphil
17K Followers 552 Following Working on @EDBPostgres. Mostly databases, distributed systems, books, and cooking. 💍🇰🇷
Daniel Lemire @lemire
21K Followers 1K Following Computer science professor at @TELUQ (Université du Québec, @ReseauUQ), programmer, blogger. @Nasorg👨💻
@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
Mark E. Dawson, Jr. @medawsonjr
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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.
Andrei Pechkurov @AndreyPechkurov
1K Followers 617 Following Top data race and segfault producer in the room.
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
Josh Long @starbuxman
77K Followers 4K Following Spring Developer Advocate (@Java_Champions & @Kotlin @GoogleDevExpert) @VMwareTanzu 🍃🐲 📽️ https://t.co/A2wBUe0b0A
Jean-Philippe Bempel .. @jpbempel
3K Followers 209 Following Sr Sw Eng @Datadoghq, optimize software running on JVM. Love performance topics and mechanical sympathy supporter. Java Champion & @javamissionctrl committer
Jakob Jenkov @jjenkov
22K Followers 123 Following AWS Solution Architect, software developer, IT architect, runs https://t.co/s4Vz7PU2CL, Java, Java Champion, web, distributed systems, decentralized systems
@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
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
Andrey Satarin @asatarin
2K Followers 515 Following Staff Engineer @Google. Distributed systems, databases, reliability, correctness. Views my own. Retweet/like is not an endorsement. https://t.co/UI9PS85Pr5
tech expert @technology_808
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bin li @bin_li45436
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Maya Saini @MayaSaini822195
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Rommel Quintanilla @rommelqc
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t0350 @t0350
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yzx_gcc @GccYzx
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Gary Little @garyjlittle
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🇮🇱 Roman Zeyde .. @roman_zeyde
728 Followers 1K Following 15C8 C357 4AE4 F1E2 5F3F 35C5 87CA E5FA 4691 7CBB
Robbi Saxinger @RSaxinger20461
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Syed Paymaan Raza @syedpraza
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Améziane Hamlat @A_HAMLAT
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karthik @karth46
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Kenisha Kipfer @KenishaKip72950
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Eva @2536Nan
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Dawid Tomczyk @davidtomczyk
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Marcdepalol @SurvSoftArch
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naveen @_naveen246
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David Sena @biovf
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Vivek @vvkcnd
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masan tako @MasanTako
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Souptik Sen @souptikji1
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Ibrahim Ahmad @Ibrahim63433664
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Ganeshkumar Ashokavar.. @ganeshkumar_av
156 Followers 917 Following Software Engineer @Microsoft's Azure Kubernetes Service | @ucberkeley '21 - EECS and Business | @kleinerperkins Fellow | @accel Scholar.
Daqwes @DaQWeS
57 Followers 380 Following
Br @misachib_
1K Followers 729 Following Software engineer. Systems engineering. Music & Beer. Twitter is not real life.
Mazen Ezzeddine @Mazen_Ezzeddine
625 Followers 5K Following Université Côte d'Azur, Laboratoire d'Informatique, Signaux et Systèmes https://t.co/Q0F8PxFX07 HPS Hightech Payment Systems. https://t.co/gZkqNxsBqF
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.
Pekka Enberg @penberg
7K Followers 1K Following Founder & CTO @tursodatabase. Interested in low latency, systems, and AI. Former @ScyllaDB and Linux.
Jaromir Hamala @jerrinot
2K Followers 2K Following I play with distributed systems by day and poke various runtimes by night. Engineer @QuestDB, @Hazelcast alumnus.
Krzysztof Ślusarski @k_slusar
346 Followers 60 Following
Norman Maurer @normanmaurer
11K Followers 326 Following Distinguished Engineer @Apple , @netty_project Lead, #swiftnio, @TheASF, Author #Netty in Action @manningbooks, Apache #Cassandra MVP, @Java_Champions
Phil Eaton @eatonphil
17K Followers 552 Following Working on @EDBPostgres. Mostly databases, distributed systems, books, and cooking. 💍🇰🇷
Johannes Bechberger @parttimen3rd
1K Followers 112 Following Hacking on OpenJDK and profilers at @SweetSapMachine
Vlad Mihalcea @vlad_mihalcea
78K Followers 148 Following @Java Champion working on @Hypersistence Optimizer, author of High-Performance Java Persistence. Blogging at https://t.co/vk0cYzrIit
Daniel Lemire @lemire
21K Followers 1K Following Computer science professor at @TELUQ (Université du Québec, @ReseauUQ), programmer, blogger. @Nasorg👨💻
@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
Andy Pavlo (@andy_pav.. @andy_pavlo
29K Followers 205 Following Associate Prof. of Databases @CarnegieMellon. Co-Founder @OtterTuneAI
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.
Denis Bakhvalov @dendibakh
4K Followers 445 Following Performance 🥷 @Intel. Book author📖. Blogger✍️. Speaker📢. Chess fan♟️. My newsletter: https://t.co/k0RKkc64zE. All opinions are my own. he/him
Marc Brooker @MarcJBrooker
17K Followers 747 Following AI, databases, and serverless at AWS. Views are my own. On Mastodon: @[email protected]
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.
Andrei Pechkurov @AndreyPechkurov
1K Followers 617 Following Top data race and segfault producer in the room.
Microarch Club @MicroarchClub
407 Followers 1 Following The art, science, and history of processor design. Hosted by @hasheddan.
Roberto Castañeda Lo.. @robcasloz
485 Followers 511 Following OpenJDK compiler engineer @ Oracle. Interested in programming languages, combinatorial optimization, testing and verification. Views my own.
Jonathan Ellis @spyced
9K Followers 193 Following DataStax co-founder and CTO. At Mozy, I built a multi-petabyte, scalable storage system based on Reed-Solomon encoding.
Casey Muratori @cmuratori
41K Followers 120 Following I want all my garmonbozia. https://t.co/Bdh1Xj2PpV
Felipe O. Carvalho @_Felipe
4K Followers 2K Following SWE @VoltronData / @ApacheArrow. Past: @Spotify. Databases/Compilers/DistSys. Imperative prog. heathen. C++/OCaml/TLA⁺🇧🇷 → 🇸🇪 → 🌎 https://t.co/vxbdByfADI
Fabio Filasieno @FilasienoF
235 Followers 130 Following On compiler and database system implementation. On system programming pragmatics. I share papers that I love.
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.
Alex Miller @AlexMillerDB
510 Followers 192 Following All original thoughts occur on @[email protected] instead.
Dr. Mia Brett @QueenMab87
32K Followers 4K Following PhD in US legal history focus on antisemitism and racism in the law. she/her. This Barbie has a tenure track job! Diaspora Jew praying for Jews & Palestinians
Ravi A Giri @ravigiri
409 Followers 420 Following Technologist: Perf Engg. and Infra Mgmt. for Hyperscale Clouds; Sr. PE @ Intel. Tweets barely represent my own opinions, let alone my employer's.
Lewis Campbell @LewisCTech
736 Followers 197 Following Logs, events, #localfirst, software deployed in the field. Amateur systems programmer. Unilateral writes.
The Redheaded liberta.. @TRHLofficial
638K Followers 2K Following HOST of @SpacesWithJosie @Timcast • Revolutionary Historian • “vividly vulgar” -NYTimes • Weirdest Haters Youve Ever Seen • Do No Harm But Take No Sh*t• 1776 AF
Dominik Tornow @DominikTornow
7K Followers 479 Following Founder @resonatehqio | Distributed Async•Await | Thinking in Distributed Systems | The Weekend Read
Paul Nowoczynski @00pauln00
142 Followers 449 Following Distributed Storage Systems for HPC; Infinite Memory Engine Inventor; Pitt Info Science; FinTwit follower for fun; enjoy bowling, guitar, & cycling
Avishai Ish-Shalom @nukemberg
2K Followers 215 Following reality: the show where everything's made up and the points don't matter. sw eng, complex systems and math. Hard truths, no sugarcoating.
Pramod Kumbhar @pramodskumbhar
319 Followers 370 Following HPC, Parallel Programming, Performance Analysis and Profiling Tools!
v @iavins
4K Followers 2K Following breaking databases @tursodatabase. W1 '21 @recursecenter excited about databases, storage engines and message queues
David Goldblatt @davidtgoldblatt
1K Followers 422 Following Low-level perf stuff mostly. Working on llvm at Meta these days with a sprinkling of wg14/wg21/sg1, jemalloc, thrift, folly. @[email protected]
Chips and Cheese @ChipsandCheese9
6K Followers 0 Following If you would like to reach out, feel free to email us at [email protected] Mastodon: https://t.co/gNwRTQEgaA
monkeyUser @ismonkeyuser
44K Followers 0 Following Software development satire in a web comic. Developed with ❤️ by: @_cstefanache, @TairesO and @MariaaSirbu. Patreon: https://t.co/4mrulA2OQX
SeongJae Park - https.. @sjpark0x00
406 Followers 72 Following A programmer interested in Linux kernel, memory management, and parallel programming. The maintainer of Linux kernel DAMON subsystem. All opinions are my own.
Erik Österlund @eosterlund_fisk
760 Followers 239 Following HotSpot JVM and ZGC hacker at Oracle. Views are my own etc. @[email protected] @[email protected]
Tech Internals Conf @TechInternals
264 Followers 0 Following Tech Internals Conf is the largest conference for developers of complex and highly loaded systems
Retro Tech Dreams @RetroTechDreams
172K Followers 245 Following Retro tech, early web & vintage computing. 80s, 90s, 2000s nostalgia. Follow for daily posts.
Zig @ziglang
14K Followers 2 Following A general-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
Richard Dawkins @RichardDawkins
3.0M Followers 359 Following UK biologist & writer. Richard Dawkins Foundation donor: https://t.co/rZZdjPoMUe. For Details about the Upcoming Tour: https://t.co/sSo5FL6CWb
René Schwietzke @ReneSchwietzke
540 Followers 2K Following Tester and Java Developer, Passionate Tester and Performance Dude. Working at Xceptance. #JVM #Java #Performance #QA #Quality @[email protected]
Protty @kingprotty
2K Followers 63 Following Program Optimizer. @ziglang core team member. @TigerBeetleDB database/concurrency person. my github name on hachyderm
Richard Startin @richardstartin
858 Followers 185 Following
Ivan Prisyazhnyy @joh.. @JohnKoepi
759 Followers 358 Following software engineer, distributed systems, open source, linux, cooking, music, and sports. @discuss.systems, @fosstodon.org
Jack Vanlightly @vanlightly
3K Followers 216 Following @confluentinc thinking about event streaming. Previously @Splunk, @VMware @[email protected] Credit: ESO/B. Tafreshi (https://t.co/DvCarvC9L3)
Phil Park @philparkbot
2K Followers 304 Following Burrito technologist. @AMD memory systems/∞ Fabric performance engineer. CTRL+ALT+DEL the GOP. Texpat. Personal account. Reluctant x86 defender.
Reuben Bond @reubenbond
5K Followers 1K Following Distributed Systems, Databases, Cloud Programmability, .NET Aspire, @msftorleans @Microsoft
Luca Garulli @lgarulli
2K Followers 444 Following Founder, Investor, Developer. Invented the Multi-Model Database concept, created #OrientDB Open Source DBMS (bought by @SAP), now @Arcade_DB
build-your-own.org @byo_books
365 Followers 0 Following
Noah Watkins @dotnwat
821 Followers 1K Following engineering @redpandadata. he/him. @[email protected]
Redpanda Data @redpandadata
5K Followers 176 Following Redpanda is a simple, high throughput, and cost-efficient streaming data platform that's compatible with Kafka® APIs without the Kafka complexity.
Pat Helland @PatHelland
5K Followers 1K Following Building distributed systems & databases since 1978. Now at Salesforce. Dropped out of UC Irvine in 1976. Write for ACM Queue & blog @ https://t.co/MYYTVzxjyj
DragonflyDB @dragonflydbio
2K Followers 61 Following Dragonfly is a source-available, multi-threaded Redis® replacement built for modern cloud workloads. Migrate in minutes, no code changes required.
Murat Demirbas (Distr.. @muratdemirbas
9K Followers 235 Following MongoDB Research: Distributed {Systems, Databases, Consensus}. Ex-AWS. Professor @SUNY Buffalo. Opinions are my own. Blog at https://t.co/IqZPhhtcCCSometimes the French developers will try to prevent you from removing the French localization so try: sudo rm -fr / This command is very helpful if your disk is full.
@lemire after a clean install of Linux, you can reclaim a lot of disk space by removing French localization rm -fr /
Web search is dead. Searching for "how to force restart ps5", Google only points me to YouTube videos, even under the "People also ask" section. #ChatGPT gives me the answer right away. Next step is for OpenAI to show ads.
The Compiler Explorer Story @mattgodbolt recounts the origin story of @CompileExplore, which started as a tmux session with an editor in one pane and running the compiler in a loop in the other. It has grown into a publicly available site, serving over 3M compilations per week.
@PeterVeentjer In those days without the Internet, Turbo C's ability to show pop-up docs was much more valuable than today. My friend had an Amiga and he scoffed on everything PC, but that one feature made him envious.
@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😊
Happy birthday to my Partner-in-Perf, @dendibakh!🥳🥳🥳
@eatonphil A GPU comes with generic data parallel-circuits (warps) behind a cache hierarchy. Your goal is to give the GPU as many right-sized blocks of data as possible so that the dynamic schedulers can keep as many of these circuits active.
@ijuma Full credit to @forked_franz here, who pressured me to fix this thing.
The type pollution issue affecting OpenJDK has been fixed: "The time taken for a positive lookup is somewhere between 3 - 6 cycles, or about 0.9 - 1.8 ns. Negative lookups are slightly faster at about 3 - 5 cycles." (1/2)
- Whole system (including kernel) profiling, < 1% CPU overhead - x86-64 and ARM64 - No service restarts or recompilation - C/C++, Rust, Zig, Go, PHP, Python, Ruby, Node, v8, Perl, Hotspot JVM (Java etc) - Works with containerisation (just install on host)
We’re thrilled to announce that the Elastic Universal Profiling agent, a pioneering eBPF-based continuous profiling agent, is now open source under the Apache 2 license! Learn more: go.es.io/3Ul3lw9 #OTel #OpenTelemetry #APM
Join us 🏴☠️ x.com/resonatehqio/s…
We've just launched Resonate 0.5.0 and now we are looking to expand our team－Check out the job description 🏴☠️ resonatehqio.notion.site/Resonate-HQ-So…
Rocking in a hammock, I realized there are conceptual similarities between Tomasulo's algorithm used in CPUs and the Single Assignment form frequently used in compilers. 💡
Was talking to a good friend who thought they have golden handcuffs ⛓ Turned out they are made of paper 😑 I cannot stress enough how verbal the modern “corporate slavery” is 🤯 Help your friends see a bigger picture, how talented they are and the opportunities they have 🙏
Preach it, brotha! PREACH!!!👏👏👏
Never trust a benchmark run by someone who doesn't use active benchmarking. If you have an unknown bottleneck, your results will be completely unreliable.
@PeterVeentjer @dendibakh I honestly don't know how he does it. I had a rough time just keeping up with writing my own sections, and I'm a bachelor who runs a business & an active social/dating life🤷🏾♂️ But a wife & kids??? He's a dynamo!
@PeterVeentjer Thank you Peter for your contribution!
@PeterVeentjer @mariofusco I did a bachelor thesis on benchmarking and that most people even omitted something as simple as the standard deviation for their benchmark results in scientific papers (reviewed over 100 papers from 4 chairs at @KITKarlsruhe)
@PeterVeentjer If the ingredients and method of making the cake are not specified it might turn out to be soup
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