cgaebel

7 ms·

1.
Direct Indexing with Exclusions(world.hey.com)
4 points by cgaebel 4mo ago|1 comments
2.
by cgaebel 4y ago
Thanks for working with Jespen. Being willing to subject your product to their testing is a huge boon for Redpanda's credibility. I have two questions: 1. How surprising were the bugs that Jepsen found? 2. Besides the obvious regressio
3.
by cgaebel 4y ago
We are similarly sad about how unavailable Intel PT is in VMs. In 2022, being unavailable on Macs and VMs raises the barrier to entry extraordinarily high for many people in our target audience. Not sure if working outside of work is your c
4.
by cgaebel 4y ago
You basically understand how this works; you see everything, but there might be gaps in the trace. In our experience they're rare (< 10 per multi-millisecond trace), short lived, and magic-trace can mostly infer what happened in tha
5.
by cgaebel 4y ago
Thank you for this. I've made the change, but it looks like it may be several days before github gets around to refreshing the language statistics.
6.
by cgaebel 4y ago
Broadwell works, Skylake or later works better. We go into more detail about what platforms we support and why in https://github.com/janestreet/magic-trace/wiki/Supported-pla...
7.
by cgaebel 4y ago
https://www.youtube.com/watch?v=v1CmGbOGb2I
8.
by cgaebel 4y ago
To be clear: bitcharmer says "we" to mean "fellow HFTs" not "Jane Street".
9.
by cgaebel 4y ago
It can! You can read more about how to do that yourself here: https://perf.wiki.kernel.org/index.php/Perf_tools_support_fo... . magic-trace uses perf. If you want, you can think of it as a mere "alternative fronten
10.
by cgaebel 4y ago
Hi HN! I'm Clark, one of the maintainers of magic-trace. magic-trace was submitted before, our first announcement was this blog post: https://blog.janestreet.com/magic-trace/ . Since then, we've worked hard at
11.
Magic-trace – High-resolution traces of what a process is doing(github.com)
831 points by cgaebel 4y ago|140 comments
12.
by cgaebel 4y ago
Hi! We've just released a new version of magic-trace. Happy to answer questions here.
13.
Lifecrypt – store a root of trust for your life(github.com)
3 points by cgaebel 6y ago|0 comments
14.
Simply 2048(github.com)
1 points by cgaebel 9y ago|0 comments
15.
by cgaebel 9y ago
It's happened! We have some internal magic that lets us run ml directly: ./my_bash_script_replacement.ml, and it makes replacements fairly painless. But we don't do it often. Each language has its strengths and weaknesses, an
16.
Latency Tricks(clarkgaebel.com)
37 points by cgaebel 11y ago|4 comments
17.
by cgaebel 12y ago
You must not live in San Francisco.
18.
HFTs are not Front-Running(clarkgaebel.com)
4 points by cgaebel 13y ago|0 comments
19.
Why I am Scared of the Oculus Deal(clarkgaebel.com)
14 points by cgaebel 13y ago|2 comments
20.
Clark's Curious Corollary of Concurrency(clarkgaebel.com)
46 points by cgaebel 13y ago|22 comments