bumpalo VS moonfire-nvr

Compare bumpalo vs moonfire-nvr and see what are their differences.

bumpalo

A fast bump allocation arena for Rust (by fitzgen)

moonfire-nvr

Moonfire NVR, a security camera network video recorder (by scottlamb)
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bumpalo moonfire-nvr
17 33
1,427 1,276
- -
6.7 8.3
about 2 months ago 2 months ago
Rust Rust
Apache License 2.0 GNU General Public License v3.0 or later
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

bumpalo

Posts with mentions or reviews of bumpalo. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-10-28.
  • Implementing Webpack from Scratch, But in Rust - [2] MVP Version
    3 projects | dev.to | 28 Oct 2024
    The Allocator is a memory allocation tool based on bumpalo. It seems that Allocator is commonly used in implementing parsers. You can refer to this tutorial for more information, but for now, we will skip it.
  • Rust vs Zig Benchmarks
    6 projects | news.ycombinator.com | 17 Jun 2023
    Long story short, heap allocation is painfully slow. Any sort of malloc will always be slower than a custom pool or a bump allocator, because it has a lot more context to deal with.

    Rust makes it especially hard to use custom allocators, see bumpalo for example [0]. To be fair, progress is being made in this area [1].

    Theoretically one can use a "handle table" as a replacement for pools, you can find relevant discussion at [2].

    [0] https://github.com/fitzgen/bumpalo

  • Rust Memory Management
    1 project | /r/rust | 4 Jun 2023
    There are ways to accomplish this as well. Different allocator libraries exist for this kind of scenario, namely bumpallo which allocates a larger block of memory from the kernel, and allocates quickly thereafter. That would amortize the cost of memory allocations in the way I think you're after?
  • Custom allocators in Rust
    4 projects | /r/rust | 6 Apr 2023
  • A C Programmers take on Rust.
    6 projects | /r/rust | 9 Sep 2022
    Meaning, storing a lot of things in the same block of allocated memory? Vec is a thing, you know. There's also a bump allocator library.
  • Hypothetical scenario - What would be better - C, C++ or Rust? (Read desc.)
    1 project | /r/cpp | 1 Aug 2022
    There are data structures like slotmap, and relatively low-level crates like bumpalo. This is not to say that either fits your use case, just that you definitely have access to the necessary parts to fit what you describe.
  • Implementing "Drop" manually to show progress
    1 project | /r/rust | 4 May 2022
    Sometimes you can put everything in a bump allocator, then when you're done, free the entire bump allocator in one go. https://docs.rs/bumpalo/
  • Any languages doing anything interesting with allocators?
    4 projects | /r/ProgrammingLanguages | 23 Feb 2022
    This is useful with crates like bumpalo which give you bump-allocation arenas whose lifetimes are tied to the objects they allocate.
  • I’m Porting the TypeScript Type Checker Tsc to Go
    8 projects | news.ycombinator.com | 25 Jan 2022
    TSC doesn't need to "stick around", right? Just a run-once and the program is over?

    In those cases, https://github.com/fitzgen/bumpalo works amazingly as an arena. You can pretty much forget about reference counting and have direct references everywhere in your graph. The disadvantage is that it's hard to modify your tree without leaving memory around.

    We use it extensively in http://github.com/dioxusLabs/dioxus and don't need to worry about Rc anywhere in the graph/diffing code.

  • Allocating many Boxes at once
    2 projects | /r/rust | 12 Jan 2022
    Probably bumpalo, but then its Box will have a lifetime parameter - bumpalo::boxed::Box<'a, dyn MyTrait>

moonfire-nvr

Posts with mentions or reviews of moonfire-nvr. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-08-24.
  • JavaScript Dates Are About to Be Fixed
    10 projects | news.ycombinator.com | 24 Aug 2024
    Temporal will be really nice in that it supports remote time zones, allows you to iterate through daylight saving transitions, etc.

    I can't wait for it to be fully taken advantage of by things such as mui's date time picker. Imagine if after selecting the fall back day, it let you pick a time during the extra hour. If after selecting the spring forward day, it wouldn't let you pick a time during the hour that doesn't exist.

    This stuff matters sometimes; a user of my NVR wanted to save a clip during the fall back hour and got the wrong result because these things just don't work right today. https://github.com/scottlamb/moonfire-nvr/issues/244

  • Reverse-Engineering an IP Camera
    8 projects | news.ycombinator.com | 17 Jul 2024
    I've been looking for a camera to recommend for use with my open-source NVR. [1] This sounds promising, but I have a few questions.

    * What's the status of Uniview? Are their cameras allowed in the US under the 2019 NDAA? still receiving FCC approvals since the Secure Equipment Act of 2021? Does Uniview participate in the Uyghur genocide?

    * Do you have any models with large sensors, e.g. 1/1.8" or wider? I prefer with good night performance if possible, which I believe requires each pixel to be physically somewhat large. These many-megapixel cameras with 1/3" sensors are not so great there.

    * What's the pricing? The camera page [2] has "contact us for info" instead of a price, and when that happens I usually assume it's too expensive for the DIY crowd and drop out.

    [1] https://github.com/scottlamb/moonfire-nvr

    [2] https://monitoreal.com/product/monitoreal-perimeter-cameras-...

  • Mock Service Worker(msw) releases 2.0
    8 projects | news.ycombinator.com | 23 Oct 2023
    How do folks test timing-related stuff with MSW? AFAIK, MSW doesn't get along with jest.useFakeTimers. It drives me nuts; I have a bunch of disabled tests in an open-source project and at least one that is flaky because it uses real timers where I'd like to be using fake timers. [1, 2]

    I've been thinking about ripping out MSW from my tests in favor of my own API-level mock for this reason. But it seems like many other folks are happy with MSW. I have to assume there's something I'm not getting. I'm a fish out of water with frontend stuff in general...

    [1] https://github.com/scottlamb/moonfire-nvr/blob/5ea5d27908f1a...

    [2] https://github.com/scottlamb/moonfire-nvr/blob/5ea5d27908f1a...

  • Alternative open firmware for your IP camera
    8 projects | news.ycombinator.com | 8 Oct 2023
    > I wonder how hard it would be to run your own streamer pipeline or whatnot on these things?

    Agree with the_biot: The actual streaming component is not too hard. If this were the biggest problem, I'd be thrilled to contribute to an open source streaming server to complement my open source NVR. [1] The driver situation is indeed a bit harder—these things don't just have mainline Linux support with v4l2 for the video input and encoder. Or open source drivers of any kind to crib from AFAIK.

    The biggest problem IMHO is that there just aren't any good cameras to buy, even completely ignoring the software aspect. I want a camera that:

    1. doesn't support genocide. Nothing that involves Dahua, Hikvision, or Huawei. See IPVM articles on the subject. And a lot of available cameras are relabeled Dahua/Hikvision stuff and/or use Huawei components.

    2. is legal for sale / authorized for use in the US. (See the Secure Equipment Act of 2021.)

    3. has good night mode performance: IR/day switch, a sensor that is at least 1/1.8", reasonable resolution (somewhere from HD to 4k).

    4. has an "eyeball" or "turret" form factor rather than "bullet". The latter seems to really attract spiders, so you end up with a really nice video of a web...

    5. supports PoE.

    6. is weatherized (IP66 or so).

    7. is reasonably priced.

    If you ignore #1 and #2, there's some nice hardware out there, but I'm not willing to do that. If you ignore #3, there are a few options (GeoVision, maybe Reolink, maybe Hanwha.) If you ignore #4 and #7, there might be a couple (Axis, maybe Hanwha.) Nothing that ticks all the boxes.

    Hard to get excited about investing a lot in the software when the hardware isn't there.

    [1] https://github.com/scottlamb/moonfire-nvr

  • NVR in Rust
    1 project | /r/rust | 13 Apr 2023
    saw one nvr project in rust - https://github.com/scottlamb/moonfire-nvr - maybe you can find answer there
  • IP Camera stream - simple recording - no resize/detection/etc - is it possible?
    1 project | /r/cctv | 6 Apr 2023
    Moonfire NVR does basically that. No decoding at all. The configuration process could be smoother, but there's a decent setup guide to follow.
  • Surveillance system, how low can you go?
    1 project | /r/selfhosted | 5 Feb 2023
    This is exactly what you're looking for: https://github.com/scottlamb/moonfire-nvr
  • Installing Rust in a Raspberry Pi 3A+
    6 projects | /r/rust | 27 Jan 2023
    But I would definitely avoid compiling Rust on the Raspberry Pi 3 if you can avoid it. I set up a Docker cross-compile environment for this reason.
  • Self Hosted CCTV/Home Security
    2 projects | /r/selfhosted | 11 Jan 2023
  • NVR Suggestions &amp; Experience...Any decent alternatives for MotionEye?
    5 projects | /r/selfhosted | 19 Dec 2022
    Moonfire may be what you're looking for otherwise.

What are some alternatives?

When comparing bumpalo and moonfire-nvr you can also consider the following projects:

generational-arena - A safe arena allocator that allows deletion without suffering from the ABA problem by using generational indices.

Shinobi - :peace_symbol: :palestinian_territories: Shinobi CE - The Free Open Source CCTV platform written in Node.JS (Camera Recorder - Security Surveillance Software - Restreamer

rust-phf - Compile time static maps for Rust

frigate - NVR with realtime local object detection for IP cameras

hashbrown - Rust port of Google's SwissTable hash map

viseron - Self-hosted, local only NVR and AI Computer Vision software. With features such as object detection, motion detection, face recognition and more, it gives you the power to keep an eye on your home, office or any other place you want to monitor.

feel

motioneyeos - A Video Surveillance OS For Single-board Computers

ocaml-multicore - Multicore OCaml

jupyter-rust - a docker container for jupyter notebooks for rust

substrate-open-working-groups - The Susbstrate Open Working Groups (SOWG) are community-based mechanisms to develop standards, specifications, implementations, guidelines or general initiatives in regards to the Substrate framework. It could, but not restricted to, lead to new Polkadot Standards Proposals. SOWG is meant as a place to find and track ongoing efforts and enable everybody with similar interests to join and contribute.

neolink - An RTSP bridge to Reolink IP cameras

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