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hrgiger

172 karma · joined September 19, 2019

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hrgiger··on RedHat Mandrel Makes Java Native
Debugging native image would be well utilized as well
hrgiger··on My dad launched the quest to find alien intelligence
Carl Sagan has a nice example for this: " we take a glass of water from ocean and assuming there is no fish exist"
hrgiger··on Ask HN: Someone is trying to reset my email password
Its upsetting email providers still dont provide soft ip lock, at least for settings, that if you dont access from ip you really need to go more complex recovery options, considering infrastructure cost they could even charge for it.
hrgiger··on The Eclipse Foundation Is Moving to Europe
Generic completions!
hrgiger··on European mortality monitoring shows increase in excess mortality
Czechia is missing
hrgiger··on Machine translation of cortical activity to text with encoder–decoder framework
Thanks for the info, considering situation maybe I can give a shot again:) Yes I also remember reading that sensors had pretty much identical results with emotiv as well. This project also looks pretty cool , thanks for sharing.
hrgiger··on Machine translation of cortical activity to text with encoder–decoder framework
Oh thank you! I wasnt even aware those numbers were promising.
hrgiger··on Machine translation of cortical activity to text with encoder–decoder framework
Correct, if I recall correctly it has 8 sensors, 4 forehead and 4 ear side. Previous year I wanted to try again but seemed like they drop linux support and asked to reach them via mail to have sdk, so I didnt bother. If i would go now I would go with openbci project I guess
hrgiger··on Machine translation of cortical activity to text with encoder–decoder framework
I have tried something similar 5 years ago using the meditation device from choosemuse.com. It was the cheapest option and provided hackable interface that you had access all the data. Then I wrote a small mobile app connects to headset.

Application was picking and showing a single random word from "hello world my name is hrgiger" then showing a greeen light, when I see green light, i think about the word and blink, headset was able to detect blinks as well so app was creating training data using blink time - xxx millis. So I created few thousands training data with 6 class using this and trained with my half-ass nn implementation and used generated weights to predict same way via mobile. Never achieved higher than 40%, tried all mixed waves, raw data, different windows of time series. Yet still it was a fun project to mess with, still I try to tune this nn implementation. If they achieve a practical solution I would use subtitles for the full length training. Simple netflix browser plugin might do the trick,but I am not sure if there will be a single AI algo that would understand everyones different data.

hrgiger··on D, L-lysine acetylsalicylate and glycine Impairs Coronavirus Replication (2016) [pdf]
One of the first victim in Turkey wrote her twitter she was using vinegar and aspirin solution before she passed away. But she had also some permanent sickness which i can not recall. I also wonder how ahcc plays well with it because i have been using since a month and had asymp symtomps since 10 day so far i can say i recovered and my gf shows no symptoms at all (she is also using) atm asked my gp and waiting response him.
hrgiger··on “Let’s use Kubernetes.” Now you have eight problems
This, kubernetes is container orchestration framework. If you know your needs then you have opportunity to make a better decision and planning. I had similar experience with ingress also I would like to add installing Kubernetes on bare metal is a pain in the neck, even with kubespray.

Here is a comparison with other frameworks, from 2018: https://arxiv.org/pdf/2002.02806.pdf

hrgiger··on Consistency: How to defeat the purpose of IEEE floating point (2008)
I had similar problem too, that multiplication results had to be in range of 0 < x < 1 because after that, some log operations was resulting NAN, first I was using if/else which was slowed down noticeably and after I end up applying sigmoid which speed up things a bit, still I dont know exact cause and I am not brave to dive into that mess again
hrgiger··on Folding@home takes up the fight against COVID-19
seems like rosetta@home already has candidates:

>"We are happy to report that the Rosetta molecular modeling suite was recently used to accurately predict the atomic-scale structure of an important coronavirus protein weeks before it could be measured in the lab. Knowledge gained from studying this viral protein is now being used to guide the design of novel vaccines and antiviral drugs."

http://boinc.bakerlab.org/rosetta/

hrgiger··on Folding@home takes up the fight against COVID-19
Yesterday I was looking for that, there is also fold.it users create their own proteins [0][1], those proteins passed to researches for validation or maybe they still validate through rosetta, even some users automate protein generation via lua scripts. Yesterday I wanted to check/contribute source code but its closed:( [2]

[0] https://www.youtube.com/watch?v=gGvlNo3nMfw

[1] https://en.wikipedia.org/wiki/Foldit

[2] https://fold.it/portal/node/986352

hrgiger··on New Features in Java 14
This blog post doesnt cover all interesting changes, at least for me.[0]

For me most interesting upcoming changes are

JEP: 352: Non_Volatile Mapped Byte Buffers, JEP 345: NUMA-Aware Memory Allocation for G1 and JEP 370: Foreign-Memory Access API (Incubator). Especially FMA api [1] examples seems most promising but shipped with panama and I am not sure about the maturity yet: https://github.com/zakgof/java-native-benchmark

I wonder how GraalVM stands in this picture that beside of being polyglot, it has AOT and auto vectorization futures and I dont know if those are already/will be shipped also with openJDK

[0] https://jaxenter.com/java-14-update-news-163585.html [1] https://openjdk.java.net/jeps/370

hrgiger··on Cost of a thread in C++ under Linux
Using taskset pinning my numbers improves:

$taskset --cpu-list 8 ./costofthread avg: 11000~

$taskset --cpu-list 8,11 ./costofthread avg: 33000~

$./costofthread avg: 60000~

hrgiger··on Intel Refreshes 2nd Gen Xeon Scalable, Slashes Prices
Might be this one: https://github.com/ajakubek/core-latency
hrgiger··on AMD Threadripper 3970X under heavy AVX2 load: Defective by design?
same here on 1950x, I built from source, when toggled avx2 it shows "using type-1" I dont know what it is:

https://pastebin.com/tPuYzYC0

hrgiger··on Help the Graphics team track down an interesting WebRender bug
Yeah sorry my bad , turns out marvel had black theme
hrgiger··on Help the Graphics team track down an interesting WebRender bug
Yep I think you are right and I think I can replicate and I dont think its just windows:)

https://imgur.com/a/fpnWKhm

Another post mentioned 2x4k screens so I thought creating load might delay expected events so I set up gpu to lowest:

"echo low > /sys/class/drm/card0/device/power_dpm_force_performance_level"

Then opened 2 drm and lot of youtube videos with new tabs and keep refreshing reddit, after a minute or two got black boxes

specs here: https://pastebin.com/JXE2HFUu

EDIT: Nope its not it turns out marvel has black theme, sorry misleading comment, move along

hrgiger··on Distributed cache and K/V store in Go. Embeddable or independent service
Seems like this has been merged:

https://github.com/golang/go/issues/35112

https://github.com/golang/proposal/blob/master/design/35112-...

hrgiger··on Is the room open?
Seems like issue only on fedora even everything updated, debian test latest with chromium works fine: https://pastebin.com/URBBUgSU
hrgiger··on Is the room open?
I am getting:

Attackers might be trying to steal your information from www.noudaldenhoven.nl (for example, passwords, messages, or credit cards). Learn more NET::ERR_CERT_AUTHORITY_INVALID

from:digicert:

TLS Certificate is not trusted The certificate is not signed by a trusted authority (checking against Mozilla's root store). If you bought the certificate from a trusted authority, you probably just need to install one or more Intermediate certificates. Contact your certificate provider for assistance doing this for your server platform.

Beside of that http works and isnt room 3 only closed once and never opened or am I missing something

hrgiger··on 64 Core Threadripper 3990X CPU Review
Depends on target dual core machine spec. If all VMs run in full or heavy tasks you might face issues with scheduler. But I believe with lot of tunning on host like using numa, cpu passthrough, pinning and using light guests you might get close to those numbers with reasonable workload
hrgiger··on Ask HN: Running a home web server for side projects in 2020?
Sounds like a good candidate for qemu/kvm or libvirt+kvm + (ovirt or virtmanager) then I would intall a kubernetes cluster+ docker top of it using kubespray with 5 small nodes something like 2cpu/4GBram and a large master with stacked etcd. As you could imagine this might consume time and requires area of interest, even you can install kubernetes straight, so I would try to script process as much as I could, take snapshot of images that in future you will not need to deal with it anymore. Otherwise when something goes wrong you will be lazy to re-install everything. Actually this is what I am going to do this week.
hrgiger··on FLIF – Free Lossless Image Format
For the curious netflix has shared AVIF format images http://download.opencontent.netflix.com/?prefix=AV1/Chimera/...

Here are some supporting implementations: https://github.com/AOMediaCodec/av1-avif/wiki#demuxers--play...

If you want to check how it looks like on supported browser: https://kagami.github.io/avif.js/

I was also digging around and as OP mentioned found it interesting topic.

hrgiger··on Destroying C with 20 lines of Haskell: wc
I see and raise, to one line:

https://www.ioccc.org/2019/burton/prog.c

It is the Burton entry from The International Obfuscated C Code Contest, but seems like only handling ascii

https://www.ioccc.org/years-spoiler.html

Limits:

"Requires the C locale and ASCII character set. Input should be less than ten million octets to avoid this problem."

https://www.ioccc.org/2019/burton/hint.html

hrgiger··on A new hash algorithm for Git
reminds me https://projects.haykranen.nl/java/
hrgiger··on Show HN: I built a website to better compare USB-C hubs found on Amazon
Nice site! Would be nice to add cable length as well, finding hub for desktop PCs very hard.
hrgiger··on Demoscene, the secret behind Finnish game industry
lol : https://youtu.be/iw17c70uJes?t=274 without even knowingly this game was exist, when i was messing with photohop years ago i made the almost same guy:) https://www.deviantart.com/coulrofobic/art/monosaphiens-5863...
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