Akila Welihinda
@awelm_
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Supercomputing @OpenAI
San Francisco, CA
Joined January 2016
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My favorite thing about working at
@OpenAI
is being given the total freedom to dive deeply into your rabbit hole of choice. My choice was the Kubernetes scheduler and I've written a personal blog post sharing some interesting things I've learned about it
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Career Update: I will be joining the Supercomputing team @ OpenAI starting next week.
The progress of the AI industry in the last few years has completely exceeded my expectations and I'm glad to be entering such an exciting field!
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Can anyone attest to the value of joining
@beondeck
ODF or
@southpkcommons
? I’m thinking about applying to one so would love to hear some firsthand stories of why each program is helpful
#odf
#southparkcommons
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Yesterday was my last day at Databricks. Very grateful to have worked on interesting technical challenges with such an amazing team
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Wow, AWS Amplify is amazing. It's my first time using the tool and I was able to host a React App on a custom domain in < 1 minute
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Big congrats to my brother for raising his first round!
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Building a database from scratch was a very fun and illuminating experience. Here's my blog post discussing the database architecture and features
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So what's next? Current plan is to very quickly build and release a few products that I wish existed. In the process I'll get a taste of working on each product and see which ones do best. I'll be tweeting about this journey so stay tuned!
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I never thought an AWS outage would affect my ability to buy groceries but here we are lol
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Wrote a blog post discussing how to build an evil compiler that injects undetectable backdoors during the compilation process.
This will be my last article for a while
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Has anyone tried or heard experiences with the 12 Startups in 12 Months challenge? Would love to hear them so please share
#12startupsin12months
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Great quote from Albert Einstein that I found recently:
"Computers are incredibly fast, accurate and stupid. Human beings are incredibly slow, inaccurate and brilliant. Together they are powerful beyond imagination"
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good attitude for life:
I can never learn everything but I can always learn anything
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Wrote a blog post discussing a side project I spent the last few months building. Quick Splits effectively adds the following 3 features to Venmo:
1) Group Splitting
2) Recurring Requests
3) Ability to split your credit card transactions
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Thinking back on something my first manager at Facebook told me:
“When building products, it's usually less clear what to build but more clear how to build it. When building infra, it’s more clear what to build but less clear how to build it” 💯
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This week I've met 10 new people via Twitter DMs. It's been a busy week but I'm amazed by all the serendipitous things that have happened so far
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2 of my articles unexpectedly reached the Hacker News front page last week. Here are some interesting stats and things I learned 🧵
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I'm looking to chat with engineers who are familiar with their company's authentication layer to get feedback on my startup idea. Please comment if this is you or if you know someone!
#authentication
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I'll be in NYC from today to December 6th. Comment or DM me if you're in town and we can grab coffee or drinks
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These days I find myself reading source code instead of documentation when working with dependencies. Documentation often doesn’t exist, is outdated, or poorly written so there isn’t much of a choice sometimes
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My favorite part of building something has been talking to customers. It’s like I’m a detective who has to listen to everything closely without taking anything at face value
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Here is the story behind my first open-source contribution
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Funny quote by the creator of C++
"There are only two kinds of languages: the ones people complain about and the ones nobody uses"
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I like to think that capitalism is just people competing to make everyone’s lives better
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Today I learned the ostrich algorithm is a strategy where you "stick your head in the sand and pretend there is no problem". Apparently some operating systems deal with deadlocks this way? 😂
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Reading and listening to audiobooks are how I avoid thinking the same thoughts every day
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Check out my brother's v3 release of electron-react-boilerplate
📣 Announcing v3 of electron-react-boilerplate! Here's what's new:
⬆️ Upgraded to electron 13
🔒 Major security improvements
💅 Ergonomic improvements to directory structure
🐛 Bug fixes (for routing, auto updates and more)
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Twitter has shown me that being a fly on the right wall can be incredibly valuable. I used to think such benefits were overrated
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Wrote a blog post discussing interesting concepts that Scala exposed me to. The post is mostly focused on introducing monadic computations
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A friend recently showed me
@tabtheapp
. It's the best bill-splitting solution I've seen so far.
The person who paid takes a picture of the receipt and then everyone taps on the items they consumed. Venmo charges are then automatically sent out
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Here are my favorite tools that have made me more productive
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This thread reminded me how important it is to validate ideas early and often! Don’t build in the dark
I wasted 18 months building a product that no one wanted and made $0.
Don't make the mistakes I made.
These are my 7 biggest failures and the lessons I learned:
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Fascinated by the Databricks vs Snowflake drama unfolding recently. It would be quite a story if Snowflake really did use a pre-loaded dataset while also stating Databrick's results lacked integrity 😬🍿
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When I joined Databricks in 2019, improving SQL perf was a new goal assigned to my team. I can't believe the team has already doubled the previous TPC-DS world record!
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Scroll wheels are very choppy when compared to the Mac trackpad. I recently discovered an app called Mos that smoothens wheel scrolling. Check out the difference
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I wasn’t expecting people to be so helpful when asking this question. Thanks for all the comments everyone, Twitter is awesome!
Can anyone attest to the value of joining
@beondeck
ODF or
@southpkcommons
? I’m thinking about applying to one so would love to hear some firsthand stories of why each program is helpful
#odf
#southparkcommons
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I’m in Chicago for kubecon this week! DM me if you’re around and want to grab coffee or dinner
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Just published a blog post on Click, my favorite Kubernetes tool.
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After a few months of deliberate effort, my email inbox is finally spam-free. Here are the techniques that worked for me 🧵
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Even New York’s walking pace feels slow to me. Maybe I’m the one with the problem 🤔
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Today I accidentally discovered you can close Chrome tabs with a middle click ✨
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Definitely guilty of this
Programmers: we have a work life balance
Programmers:
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I never thought I’d believe writing well is as important as coding well
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Here's a new blogpost I wrote on using SIMD to improve Web Assembly performance!
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I didn't properly appreciate how fast Apple's M1 chips are until I heard the following:
An M1 chip emulating an Intel processor outperforms all other Intel processors according to benchmarks.
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Practical advice on how to reduce unproductive social media consumption without sacrificing its benefits. I like how he included datapoints summarizing the overall reduction in time spent
Deleting social media isn't the best way of moderating usage
👇thread below
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Despite hearing this story a while ago, I only recently realized it describes an exploit first introduced by Ken Thompson in "Reflections on Trusting Trust"
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You might be surprised by what people like.
I almost didn’t write about SimpleDB because I felt it wasn’t original enough and it “already had a Github page”. But in retrospect SimpleDB was by far the most successful thing I’ve written
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I've listened to 10
@IndieHackers
podcast episodes and
@shl
's interview has been my favorite so far. He has an interesting story and a refreshing perspective on building things
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The most practical Vim setup is an IDE extension imo. Then you get to keep all your IDE features, plugins, and integrations while still getting all the text carving benefits of Vim
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This accomplishment is also partially due to the success of Rosetta 2, which is Apple’s x86 translation system. Rosetta 2 can translate x86 apps upfront upon download (AOT) or while running them (JIT)
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ODF has a 3k price tag but they take 0% equity. Folks who went through ODF, would you say it was worth 3k?
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great thread for learning more about fintech
Been having more conversations with folks looking to learn more about fintech basics (consulting-types looking to enter the space, crypto people thinking about on-ramps, etc)
Sharing recs for primers on the What/How/Why of building in tradfi fintech in hopes it may be helpful:
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Excellent Git extension which lets you create, rebase, and merge a stack of dependent PRs in a single command. I love "stacked PRs" because I can work on next steps while my previous PRs are still in review
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My favorite answer to "whats the worst thing you had to debug".
TLDR: Someone modified the C compiler to make compiled programs print offensive messages. This infected compiler binary could also replicate if asked to compile its own original source code
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@itstimconnors
Wow Tim, this is awesome! I haven’t thought too deeply about this idea but could you use embeddings to search relevant info on the page? Maybe it won’t work since there are so many elements to embed
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Just discovered VimGolf today and it's hilarious. It's basically a contest to see who can accomplish a given text editing task in Vim with the least keystrokes 😂
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@mattrickard
Nice chart. The shortcut I use to remember this is that five 9s is 5 minutes of downtime/year. From there you can divide or multiply by 10 to calculate the rest
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I just upgraded to iOS 15 and I'm excited to experiment with iOS Focus mode. I've been waiting for the day where I can completely customize how I receive notifications
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@gdb
@miramurati
@bradlightcap
@jasonkwon
Much respect for how this unexpected crisis was handled. Amazing work
@miramurati
@bradlightcap
@jasonkwon
@bobmcgrewai
and more
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@TomasReimers
@JustJake
Graphite looks pretty cool! I like how it interops with GitHub so you don’t need the entire eng team’s buy-in
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Currently on a reading spree. I just finished The Big Short and today I'm finally getting around to starting The Intelligent Investor
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@itsjonnymak
Couldn't agree more. College clubs and activities are a dry run for the real world. I always tell my younger friends to view their participation in college activities as a valuable learning opportunity instead of a resume builder
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@kernal_ideas
@sabakarimm
I think I recall
@SHAQ
saying he has a group of trusted advisors to help him make big decisions. Making that process smoother with a dedicated app sounds promising
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@_jasonwei
@hwchung27
I learn so much from my OpenAI colleagues. It makes the job much more fun 🙂
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@tabtheapp
Tab is similar to Splitwise, but its much simpler and is more focused on immediate repayment
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@nikita_builds
maybe think about more high-level things? like marketing strategy, growth hacks, etc.
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For example in Scala if i want want to double each value in an optional List, I can do this concisely with `(list => (_*2))`. I'm wondering how to do this in more mainstream languages
#functionalprogramming
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@andrewk17
@hosseeb
Yeah this is the all-time best negotiation gospel imo. I was able to increase my Fb signing bonus by 4x. His other article is also great:
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I used to think reading dependency source code was overkill when I heard others discuss it. But now I get it 🙂
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My biggest regret is not having an email subscription option on my site before posting on Hacker News. I hastily added one at 11pm, but by then my post was losing steam so there were only 20 signups
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