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Top 23 C++ low-latency Projects
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srs
SRS is a simple, high-efficiency, real-time video server supporting RTMP, WebRTC, HLS, HTTP-FLV, SRT, MPEG-DASH, and GB28181.
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InfluxDB
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OvenMediaEngine
OvenMediaEngine (OME) is a Sub-Second Latency Live Streaming Server with Large-Scale and High-Definition. #WebRTC #LLHLS
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CppServer
Ultra fast and low latency asynchronous socket server & client C++ library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution
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SaaSHub
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husarnet
Husarnet is a Peer-to-Peer VPN to connect your laptops, servers and microcontrollers over the Internet with zero configuration.
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MWEngine
Audio engine and DSP library for Android, written in C++ providing low latency performance within a musical context, while providing a Java/Kotlin API. Supports both OpenSL and AAudio.
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CppSerialization
Performance comparison of the most popular C++ serialization protocols such as Cap'n'Proto, FastBinaryEncoding, Flatbuffers, Protobuf, JSON
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KoordASIO
A user-friendly universal ASIO driver for use with any Windows installation. Supports WASAPI (shared and exclusive) and includes config GUI.
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LruClockCache
A low-latency LRU approximation cache in C++ using CLOCK second-chance algorithm. Multi level cache too. Up to 2.5 billion lookups per second.
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machnet
Machnet provides applications like databases and finance an easy way to access low-latency DPDK-based messaging on public cloud VMs. 750K RPS on Azure at 61 us P99.9.
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SaaSHub
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Project mention: What's the state of screen-sharing games to friends on linux? | /r/linux_gaming | 2023-06-26
Is receiver side also using mobile internet? You could try to setup this on separate server and both sender and receiver connnect to it. https://github.com/Haivision/srt/blob/master/docs/apps/srt-live-transmit.md
Project mention: [0.15.16] OvenMediaEngine has been updated! (Sep 04, 2023) | /r/OvenMediaEngine | 2023-09-06We're thrilled to announce the release of OvenMediaEngine 0.15.16!
Sounds like you could use https://sonobus.net/ and possibly https://vdo.ninja/ but you might have that already covered with jitsi.
For high performance logging, I'd add quill to that list.
Project mention: Ask HN: Looking for a project to volunteer on? (November 2023) | news.ycombinator.com | 2023-11-02Seeking: https://github.com/fwsGonzo/libriscv
This is a C++ RISC-V emulator that focuses on isolating a single process, aka userspace emulation. I am currently working mostly on binary translation, and recently I have made a push to move it from experimental state to fully supported. Another experimental feature is embedding libtcc and using that for binary translation. It is fairly fast to compile, and gives decent speedups. The challenge is what to do now that (perhaps) some low hanging fruits have been picked.
Project mention: Fast RISC-V-based scripting back end for game engines | news.ycombinator.com | 2024-01-14
It seems that the KoordASIO driver might be a solution https://github.com/koord-live/KoordASIO
Project mention: Easy DPDK-based messaging on cloud VMs with Machnet | news.ycombinator.com | 2024-01-23Hi all! We've built Machnet to provide an easy way for applications to reduce their datacenter networking latency via kernel-bypass (DPDK-based) messaging. Distributed applications like databases and finance can use Machnet as the networking library to get sub-100 microsecond tail network latency at high message rates, e.g., 750,000 1KB request-reply messages per second on Azure F8s_v2 VMs with 61 microsecond P99.9 round-trip latency. Machnet supports a variety of cloud (Azure, AWS, GCP) and bare-metal platforms, OSs and NICs, evaluated in https://github.com/microsoft/machnet/blob/main/docs/PERFORMA....
While there are several other DPDK-based network stacks, Machnet provides the following unique benefits:
- Specifically designed for and tested on public cloud VM environments
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C++ low-latency related posts
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kungfu: NEW Extended Research - star count:2922.0
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kungfu: NEW Extended Research - star count:2922.0
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kungfu: NEW Extended Research - star count:2922.0
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roq-api: NEW Extended Research - star count:393.0
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Mobile SRT stability
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roq-api: NEW Extended Research - star count:377.0
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roq-api: NEW Extended Research - star count:377.0
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A note from our sponsor - InfluxDB
www.influxdata.com | 7 May 2024
Index
What are some of the best open-source low-latency projects in C++? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | srs | 24,288 |
| 2 | kungfu | 3,252 |
| 3 | srt | 2,938 |
| 4 | OvenMediaEngine | 2,423 |
| 5 | OpenHD | 1,798 |
| 6 | sonobus | 1,437 |
| 7 | CppServer | 1,334 |
| 8 | quill | 1,056 |
| 9 | fmtlog | 732 |
| 10 | roq-api | 456 |
| 11 | libriscv | 411 |
| 12 | nap | 381 |
| 13 | leaf | 290 |
| 14 | husarnet | 282 |
| 15 | MWEngine | 253 |
| 16 | lwlog | 221 |
| 17 | rvscript | 214 |
| 18 | roq-samples | 154 |
| 19 | CppSerialization | 134 |
| 20 | KoordASIO | 59 |
| 21 | LruClockCache | 59 |
| 22 | machnet | 45 |
| 23 | lowl_audio | 8 |
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