2071
Testing Memory Allocators: ptmalloc2 vs. tcmalloc vs. hoard vs. jemalloc
Quote: if you DO want to get performance from changing mallocs, make sure to test them with your own app Another Quote: in our humble opinion, overall winner...
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The latest blog posts to take off on Hacker News. 4,419 posts.
2072
Plans for OCaml 4.08
With the external release of OCaml 4.07.0 imminent, we in Jane Street’s Tools & Compilers group have been planning what we want to work on for inclusion ...
2073
Important database news from the last few months
Google and Amazon acknowledge benefits of SQL, Elasticsearch introduces SQL interface, and MySQL finally becomes modern…after 20 years. These are exciting times in the world of databases.
2074
Consistency Models
Jepsen analyzes the safety properties of distributed systems–most notably, identifying violations of consistency models. But what are consistency models? What phenomena do they allow? What kind of consistency does a given program really need?
2075
Police search homes of Zwiebelfreunde board members and OpenLab in Augsburg
On June 20th, board members of the „Zwiebelfreunde“ association in multiple German cities had their homes searched under the dubious pretence that they were „witnesses“ while their computers and...
2076
React Native: A retrospective from the mobile-engineering team at Udacity
The mobile team at Udacity recently removed the last features in our apps using React Native. Here's what worked and what didn't.
2077
Mastodon WTF timeline (2017)
In the last few days I've been fortunate to witness an interesting chapter in the Internet's history, and I'm trying to compile a timeline of what has happened while the memories are still reasonably fresh. This is incomplete and a work in progress; I'll be updating it, and n...
2078
Running JRuby on the Graal JIT
Hello, friends! Long time no blog!I'm still here hacking away on JRuby for the benefit of Rubyists everywhere, usually slogging through compatibility fixes and new Ruby features. However with the release of JRuby 9.2, we've caught up to Ruby 2.5 (the current release) and I'm spending a little time on performance.I…
2079
Fixing bufferbloat on your home network with OpenBSD 6.2 or newer
My home network (which is also my work network) is a standard-issue Comcast cable hookup. In spite of a tolerable 120 megabits down, my experience of daily Internet use is regularly frustrating. Video streams and video chats drop in quality...
2080
2081
CS50, Harvard’s Largest Class Expands Its Line Up of Courses
CS50 launches three new courses that go beyond the original course and teach Python, Javascript, React, and Game Development
2082
Review of the Purism Librem 13
Towards the end of last year, I got a new laptop: the Purism Librem 13. It replaced the Lenovo ThinkPad X250 that I was using previously, which maxed out at 8 GB RAM and was beginning to be unusabl…
2083
How Property Taxes Shape Our Cities
Taxation is a powerful planning tool, whether we want it to be or not.
2084
Google to developers: We take down your extension because we can
Today, I found this email from Google in my inbox: We routinely review items in the Chrome Web Store for compliance with our Program policies to ensure a safe and trusted experience for our users. We recently found that your item, “Google search link fix,” with ID: cekfddagaicikmgoheekchngpadahmlf, did not comply with…
2085
Designing an email-only Slack interface
On the design of Stop Slacking , which lets you interact via email with the poor souls trapped in the endless, no-agenda meeting that is Slack.
2086
2087
What Can I Do About Bufferbloat?
Bufferbloat is high latency (or lag) that occurs when there’s other traffic on your network. This means that your network isn’t always responsive - it’s wasting your time.
2088
“Stylish” browser extension steals all your internet history
Before it became a covert surveillance tool disguised as an outstanding browser extension, Stylish really was an outstanding browser extension. It bestowed upon its users nothing less than the power to change the appearance of the internet. Its extensive bank of user-made skins gave bright websites a dark background…
2089
2090
Rules of optimization
Rules of optimization: 1) Design for performance from day 1 2) Profile often 3) Be vigilant on performance regressions 4) Understand the data 5) Understand the HW 6) Help the compiler 7) Verify your assumptions Performance is everyone's responsibility https://t.co/CwwJffnHGz
2091
With EFF’s help, language teacher responds to threat over ‘invalid’ patent
Foreign languages have been taught, and studied, for thousands of years. People who teach languages are the last folks that should be dealing with patent threat letters—but incredibly, that’s exactly what has happened to Mihalis Eleftheriou. Hodder and Stoughton, a large British publisher, has sent...
2092
Serverless Performance: Cloudflare Workers, Lambda and LambdaEdge
A few months ago we released a new way for people to run serverless Javascript called Cloudflare Workers. We believe Workers is the fastest way to execute serverless functions, but lets prove it.
2093
The Importance of Having Your Pain Be Legible
How to deal with ideological censorship in a community? Who gets empathy and who is humanized the most? Does contemporary rhetoric about toxicity hold up to scrutiny? “When you keep rewarding…
2094
Conservation of Intent: why A/B tests aren’t as effective as they look
When a +10% isn’t really a +10% OK, this is an infuriating startup experience: You ship an experiment that’s +10% in your conversion funnel. Then your revenue/installs/whatever goes up by +10% right?
2095
Perhaps it is simpler to say that Intel was disrupted
Disruption is simple to say but there many factors at play. Disruption is never one feature, but a full set of assumptions that go into a…
2096
Pipelines – a guided tour of the new IO API in .NET
Pipelines - a guided tour of the new IO API in .NET, part 1 (part 2 here) About two years ago I blogged about an upcoming experimental IO ...
2097
2098
Haskell’s State monad is not a monad (2014)
Haskell’s State monad has a shameful secret. It’s not a monad [ State monads don’t respect the monad laws in Haskell, Simon Marlow ] . Look:
2099
2100
Blocked by JSConf.eu Twitter account
Some people are probably pretty used to various blocking endeavours on social media. I am not one of them…