trishume

12 ms·

61.
by trishume 6y ago
I unfortunately don't have a native Linux install currently, just a VM, and my Windows NUC can only connect to my Z27. There's some good info here on minimal USB latency, it's less than 1ms and I don't think mine is an i
62.
by trishume 6y ago
In this case what you were experiencing might have been the lack of compositor, which adds a 16ms delay, or just using a slow editor. The theoretically best possible average latency under a compositor model at the top of the screen is 16+(1
63.
by trishume 6y ago
Alacritty makes claims about throughput, which is different than latency, and then uses the word "fast" which can be confused to mean either or both. Alacritty's benchmarks are based on how much text it can process being outp
64.
by trishume 6y ago
This looks like a nice language with lots of cool features. I especially like the attempts at GPU and off-heap integration. However I feel like at least the landing page dodges a lot of hard questions. For example the biggest reason anyone
65.
by trishume 6y ago
I think it should be possible to buy or use software from third parties. One thing I'm disappointed about and think we need better tools to avoid is the fact that third parties provide their tools as services rather than libraries. The
66.
by trishume 6y ago
This is also an interesting system in that it's an example of how you can get away with a non-distributed system if your problem is small enough but eventually that falls over. Once you get to large corporation monorepos git operations
67.
Fragile narrow laggy asynchronous mismatched pipes kill productivity(thume.ca)
264 points by trishume 6y ago|86 comments
68.
by trishume 6y ago
Note: I have never worked with an HPC system, take what I say with a grain of salt. I suspect the answer is in the networking, what this article spends most of its time talking about. HPC networking is so ridiculously much better than commo
69.
by trishume 6y ago
Indeed! I was talking to someone about their attempt to fork a Graal Java process and recreate all the compiler and GC threads, and I said if I had that task I'd be tempted to just use my new knowledge to implement a fork that also rec
70.
by trishume 6y ago
<3
71.
by trishume 6y ago
It's what a certain kind of live migration strategy does. There's a discussion thread about this further down where I link to that same page.
72.
by trishume 6y ago
Yah that is indeed a super important optimization for avoiding round trips. CRIU does this and calls it "pre-paging", their wiki also mentions that they adapt their page streaming to try to pre-stream pages around pages that have
73.
by trishume 6y ago
I didn't say it requires kernel patches, just that it requires a build flag and new enough versions. It does happen that most distros do enable that build flag though. There is a patch set for write protection support in userfaultfd th
74.
by trishume 6y ago
I do in fact mention this idea in the article. In fact userfaultfd was added to the kernel so that CRIU and KVM live migration could implement exactly this. Another cool project that does something like this is https://github.com
75.
Teleforking a Process onto a Different Computer(thume.ca)
572 points by trishume 6y ago|132 comments
76.
by trishume 7y ago
I really hope they open source their compiler and allow people to program directly to the machine code. Part of the problem with GPUs (and to a greater extent FPGAs) is that the toolchains are often terrible, buggy and opaque. They also mak
77.
by trishume 7y ago
I can't wait for gradual improvements in deep learning allow video calls to extrapolate my presence for longer and longer time segments, until my connection can drop out for minutes and WebRTC will make it convincingly seem like I&#x27
78.
by trishume 7y ago
I was confused why the screenshot on the homepage ( https://theia-ide.org/ ) looked so outrageously similar to VSCode, so I checked the source. It looks like the editor widget is Monaco (from VSCode) so the text editing exper
79.
by trishume 7y ago
FWIW the numbers for my blog are broadly similar, with a larger sample taken when I had a blog post on HN, with about 2x higher unique user numbers from Cloudflare analytics (server side) than Google Analytics.
80.
by trishume 7y ago
https://pernos.co/ is making a very similar omniscient debugger based on rr for AOT compiled languages with DWARF info.
81.
by trishume 7y ago
Not touching 4 digit numbers is a good variant idea, I might do that, it would only be a one line of code change. I also still think an alternative world where we decided to use font shaping for digit grouping would work out better, it woul
82.
by trishume 7y ago
If you want it should be reasonably straightforward to modify the code to do that: https://github.com/trishume/numderline More advanced but totally doable would be switching to that mode for hex strings after "0x&
83.
by trishume 7y ago
Huh interesting. Zooming works fine for me on IOS. Maybe it's only blocked on Android. If I remember I'll take a look on Monday.
84.
by trishume 7y ago
You can use the patcher on Github to patch a font of your choice, although underlining currently only works well with some fonts. I also have some good fonts pre-patched on the download site at https://thume.ca/numderline
85.
by trishume 7y ago
In this case I did actually consider it but forgot to mention it in my post. The slightly more complex constraints of having multiple different tables using the same hash function make searching for the hash function more annoying so I didn
86.
Shenanigans with Hash Tables(thume.ca)
4 points by trishume 7y ago|1 comments
87.
Two Performance Aesthetics: Never Miss a Frame and Do Almost Nothing(thume.ca)
8 points by trishume 7y ago|0 comments
88.
by trishume 7y ago
I'm not sure if they changed the marking scheme by the time I took the course, but I think they added advice to pick 10 easy things for your plan even if you are ambitious, because the elements of your plan are only marked on completio
89.
by trishume 7y ago
I would have used Rust if I hadn't already put 10 hours of work into an assignment to write a basic ray tracer, which had to be in C++ unlike the final project.
90.
by trishume 7y ago
I'm guessing that they're from a country where second grade means something different. That or I should have been looking for this school that teaches ray tracing in grade 2...

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