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kersny

Re:ASRock BC-250: Building the Budget Steam Machine on Sunday August 02, 2026 @12:19PM (#49145887)
I bought a full rack for $240 (free shipping) Thanksgiving day 2024 - got lucky!
Re:Implement your own source transformation AD with Julia on Thursday June 11, 2020 @02:33PM (#23491894)
Some more related info on different algorithmic differentiation approaches in Julia: https://github.com/MikeInnes/diff-zoo
Re:RISC-V Stumbling Blocks on Thursday January 02, 2020 @12:54PM (#21937769)
A RISC-V linux system for the ECP5 can be built with the FOSS toolchain using vexriscv and litex:

https://github.com/litex-hub/linux-on-litex-vexriscv

also, step by step using a different core (rocket): https://insights.sei.cmu.edu/sei_blog/2019/10/how-to-build-a...

Re:Ask HN: Who is hiring? (September 2018) on Tuesday September 04, 2018 @09:16AM (#17908797)
Astrobotic Technology | Embedded & SW Engineering | Pittsburgh, PA | Onsite | Full Time | US persons only | https://www.astrobotic.com

Astrobotic is a small space robotics company with big ambitions. Our R&D team has numerous contracts to develop and deliver in-space navigation and in-space computing software and hardware to help spacecraft land on the Moon and other planetary bodies We need multiple talented robotics/software engineers to support and take leading positions in the development of our technology portfolio. We’ll be developing novel sensors and flying them in-space within a few years.

Our R&D team operates autonomously and collaboratively. We hope that new researchers will be eager learners with ambitions to master their field in a short period of time by challenging themselves and aiming high. While there is a lot of work to do to deliver on our technical contracts, we hope to find people who believe they can dream and develop new technologies to increase our access to space.

Positions available:

Embedded SW Eng: https://www.astrobotic.com/careers#op-275288-embedded-softwa...

Navigation SW Eng: https://www.astrobotic.com/careers#op-267343-robotics-resear...

Simulation SW Eng: https://www.astrobotic.com/careers#op-275290-robotics-resear...

Experience: 0-5+ years professional experience. No space experience required.

Re:Jupiter has 10 more moons we didn't know about on Thursday July 19, 2018 @08:44AM (#17565659)
Re:Teaching My Robot with TensorFlow on Thursday June 07, 2018 @09:34AM (#17255598)
Re:Parallel Programming in Futhark on Friday June 01, 2018 @09:31AM (#17205078)
I messed around with some slightly above toy work, implementing expectation-maximization for gaussian mixture models and some other supporting tools for 3D point clouds, and found it really intuitive for someone with a decent amount of FP experience but little GPU experience.

Biggest challenge for me was a lack of profiling tools when running OpenCL on an NVIDIA GPU, I got OK performance but had no way to identify hotspots or opportunities for improvement.

If anyone has AIAA paper access (or a workaround ;), they published a ton of details on their guidance, control, and avionics designs at the beginning of this year:

https://arc.aiaa.org/doi/10.2514/6.2018-0023 https://arc.aiaa.org/doi/abs/10.2514/6.2018-1849

Re:OpenSimpleLidar on Wednesday April 04, 2018 @02:38PM (#16757614)
Joe Grand developed a similar product for Parallax a while back, with a lot of interesting technical details on his site: http://www.grandideastudio.com/laser-range-finder/
#1 is not strictly true, although it's not necessarily useful yet: https://github.com/japaric/nvptx#nvptx
Re:Show HN: R8 Processor on Tuesday May 02, 2017 @02:58PM (#14249464)
The C.H.I.P. guys (and maybe Allwinner themselves) use R8 as a CPU name:

https://getchip.com/ http://linux-sunxi.org/Allwinner_SoC_Family#.22R.22-Series

http://spritesmods.com/

Maybe not exactly what you're looking for, but its simple and clicking through any project makes me to want to work with and/or hire him immediately.

Re:BeagleBone Black Wireless on Monday September 26, 2016 @06:03PM (#12585993)
Re:Google’s Self-Driving Car Project Is Losing Out to Rivals on Monday September 12, 2016 @10:46AM (#12480089)
Google has been using that name semi-publicly since at least 2011.
Re:Movfuscator – A single-instruction C compiler on Saturday August 27, 2016 @11:38AM (#12372779)
See also: Demovfuscator

https://kirschju.re/demov

Very interesting, I recently put together a simple caffe static compiler of my own on the path to FPGA deployment of CNN inference pipelines. I looked at halide[0] as a possible intermediate representation for CPU, GPU, and FPGA, (as a step above LLVM IR), but Likely seems like an interesting option.

[0]: http://halide-lang.org/

One such multidimensional extension of Eigen is from Google and I believe was extracted from TensorFlow:

https://bitbucket.org/eigen/eigen/src/039efd86b75ce1b72befb7...

Re:Building a software-defined radio from scratch on Thursday July 28, 2016 @05:03PM (#12183149)
Its been done, but AFAIK not with hand etching: http://hforsten.com/making-embedded-linux-computer.html

I don't think you can do high frequency RAM lines with hand etched boards or BGA escape routing without vias, but two layer prototype boards are pretty cheap these days.

The Datasheet on their site has some tech details:

http://icarusinitiative.org/sites/default/files/ICARUS%20SP%...

That one doesn't seem to be loading for me, but the Internet Archive has a version:

https://web.archive.org/web/20160331224522/http://icarusinit...

Re:Robotic Motion Planning in Real-Time on Monday June 20, 2016 @11:09PM (#11943217)
Looks like this is the actual paper, doesn't seem to be linked in the article: http://people.ee.duke.edu/~sorin/papers/rss16_chip.pdf
Re:How I Made a Cheap PCB on Thursday March 31, 2016 @09:42AM (#11397048)
You could check out Macrofab: https://macrofab.com/

I've never actually used them but their online tooling is impressive, they have reasonable prices for low quantity assembly, and they've manufactured and fulfilled a few kickstarter projects.

Re:Nyuzi: An experimental FPGA multicore GPGPU processor on Wednesday March 30, 2016 @04:57PM (#11392945)
My understanding is that MyHDL is in fact more like Chisel/Clash, it specifically says "It does not turn arbitrary Python into silicon" in their getting started guide (and as sklogic says).

See also: a MyHDL UART: https://github.com/andrecp/myhdl_simple_uart/blob/master/ser...

Re:Nearly Every USGS Topo Map For Free on Wednesday October 15, 2014 @07:02PM (#8462342)
This[1] post was on HN about a year ago pointing to the Data Science Toolkit[2] for getting elevation and performing other geographic data lookups.

[1]: http://petewarden.com/2013/09/09/why-you-should-stop-piratin... [2]: http://www.datasciencetoolkit.org/

Re:Show HN: Chan – pure C implementation of Go channels on Friday August 29, 2014 @07:59PM (#8245076)
Libtask[1] by Russ Cox (one of the creators of Go) may provide some inspiration. It implements channels but uses coroutines instead of threading. As a consequence it has some cool stuff like networking and it does all of the hard parts of saving/restoring registers for task switching.

[1]: http://swtch.com/libtask/

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