HNHacker News
TopNewBestAskShowJobs

pezezin

1,968 karma · joined March 6, 2020

submissionscomments
pezezin··on Casio F-B100W-1A
But 24-hour time is not decimal, isn't it what you guys like?
pezezin··on Pressed Penny Machine Map
I have seen them in Japan and many European countries, but I don't remember which ones :/
pezezin··on Linux 7.3 improves performance when running out of vRAM
I don't know, I guess some rule about the capitalization of acronyms. But I have seen it written as VRAM since the early '90s when it meant dual-ported video RAM. I think this is the first time I see it written as vRAM with a lowercase v.
pezezin··on A spectre is haunting Unicode
It is true that most hanzi are phonosemantic compounds; however, Japanese-created kanji are mostly semantic compounds. You can still guess the meaning, but good luck trying to guess the pronunciation.

https://en.wikipedia.org/wiki/Kokuji

pezezin··on Idol Mahjong Final Romance: A Slideshow Disguised as a Video Game
> Japan back then was (still is?) very perverse, and very censored.

Still is, I live in Japan and I can't stop to be amazed how perverted these guys can be.

pezezin··on Rust SIMD on the GPU
But those instructions exist, see Section 7.9 "Cross-Lane and Data Parallel Processing (DPP)"

AMD documentation describes RDNA as a vector ISA, so I don't understand why you say it is not.

pezezin··on Rust SIMD on the GPU
> While each lane isn't truly a thread because it doesn't have its own PC the programming model definitely tries to make it seem that way. The threads can terminate at different points too. And again, the ISA isn't a vector ISA. Your register values are scalar.

This is not correct. If you check AMD's documentation there are explicit mentions of vector registers (VGPR), vector ALUs, and vector instructions. The introduction to Chapter 2 describes it as a vector ISA.

> RDNA4 shader programs (kernels) are programs executed by the shader processor. Conceptually, the shader program is executed independently on every work-item, but in reality the processor groups up to 32 or 64 work-items into a wave, that executes the shader program on all 32 or 64 work-items in one pass ("wave32" or "wave64").

Sources:

https://gpuopen.com/amd-gpu-architecture-programming-documen...

https://docs.amd.com/v/u/en-US/rdna4-instruction-set-archite...

pezezin··on Parametron: 50s Japanese computer that uses neither transistors nor vacuum tubes
I don't know about other countries, but squid sandwiches are very popular in Spain: https://en.wikipedia.org/wiki/Squid_sandwich
pezezin··on US Military's cyber command unit grapples with cluster of deaths by suicide
Yes, me. I suffered some serious depression that I cured through therapy and medication. Discussing it openly with my family and friends certainly helped.

As the saying goes, recognizing that you have a problem is the first step to being able to solve it.

pezezin··on A Tome of Forbidden Technologies
Homeopathy itself was invented by a German physician...
pezezin··on Quake – 30th Anniversary Update
Quake Injector is your friend, it will download and configure all the maps and mods for you.

https://www.quaddicted.com/tools/quake_injector

pezezin··on Four simple rules behind Japan's most liveable cities
Of course in any developed country the majority of the population lives in cities. What I mean is that Japanese cities, outside of a few core areas, are really ugly and depressing.
pezezin··on Four simple rules behind Japan's most liveable cities
Unfortunately my workplace is in the countryside. Someone decided it was a good idea to build a big international research center in the middle of nowhere. Which is now a liability for the project, as few people want to come work here.

https://maps.app.goo.gl/6Qf8EGk97jStkJFP7

pezezin··on Quake – 30th Anniversary Update
Quake was notorious for being the first major game to require a powerful FPU. Michael Abrash manually tuned the rasterization code to fit the Pentium pipeline, any other CPU didn't cut it.
pezezin··on Four simple rules behind Japan's most liveable cities
> The BBC didn't need to go all the way to Tokyo - they could find this in pretty much any Spanish city.

This. When my Japanese girlfriend finally visited my small hometown in Spain, she was surprised how lively the city was. Not Madrid or Barcelona, but just a small 100k city. In Japan the big cities are cool, but small cities are ugly and boring.

pezezin··on Four simple rules behind Japan's most liveable cities
On the other hand Spanish trains don't need women only cars due to the massive amount of dirty chikan ojaji (old guys that love groping women, even underage schoolgirls). Japan is not a paradise either.
pezezin··on Four simple rules behind Japan's most liveable cities
Because these articles always talk about the good parts and never mention the bad parts which make up the vast majority of the country.
pezezin··on Four simple rules behind Japan's most liveable cities
I have been living in the inaka for 8 years now and I always laugh at this kind of articles. They only focus on the core areas of Tokyo, Osaka, and a few big others cities, and forget to mention that outside of those areas the whole country is just endless urban sprawl of the ugliest, soulless cities you can imagine.
pezezin··on How to Make a Nintendo 64 Game in 2026
IANAL, but my understanding is that whatever patents and industrial design rights Nintendo had on the N64 expired long ago, so replicating N64 hardware is perfectly legal as long as you don't use the original logos and trademarks.
pezezin··on Xbox goes down. You can't play games you own on disc
Time will tell, but I don't think big enough FPGAs will be affordable any time soon.

And in any case, software emulation is already incredibly advanced, with emulators like Dolphin and PCSX2 arguably being superior to original hardware (4k rendering, anti-aliasing, high resolution textures, etc). Honestly I can't see the benefits of FPGA emulation for 6 gen consoles and onwards.

pezezin··on Xbox goes down. You can't play games you own on disc
The MiSTer is already struggling to fit the N64 core, and the GameCube is more than 10 times more complex than the N64. Just the CPU cache and the GPU embedded RAM would be prohibitively expensive to implement on an FPGA, it would require one of the very top of the line FPGAs in the market to even attempt it.
pezezin··on Xbox goes down. You can't play games you own on disc
This. My old GameCube is already broken, the optical drive decided to die. Fortunately some Swiss magic still allows it to run games, otherwise it would just be an expensive paperweight.
pezezin··on Just because a game is on disc doesn't mean it will work in the future
You didn't understand my point...

Closed platforms like consoles are at the mercy of their manufacturers. If you want consumer rights, stick to open platforms like the PC.

pezezin··on Just because a game is on disc doesn't mean it will work in the future
> It cannot be a "pretend" manifestation, when a physical disc that requires nothing more than an official piece of hardware to use continues to work 100 years into the future (assuming the physical hardware survives that long.) Those are the "rights" that are being fought for in this instance.

That's a pretty big assumption. Back in the day I bought a GameCube and decent game collection. I tried it a few months ago and the optical drive is dead, so now my games are just expensive coasters. I could buy another one in the second hand market, but given their age it will also die sooner or later.

That is the problem with proprietary console media, once the hardware inevitably dies, the media itself is useless.

pezezin··on Ron Gilbert started production on Thimbleweed Park 2
Graphical adventure games were already dead before the Xbox even arrived, and besides that the first Xbox was not that popular outside North America so it could not have affected other regions.
pezezin··on Show HN: Physically accurate black hole you can put in your room
You don't double integrate, period. You essentially have three options:

1) An absolute positioning system like GPS.

2) A visual positioning system like fiducial markers or SLAM.

3) Something that can measure linear speed and then you integrate the speed only once. Easy to do on vehicles, but even the most accurate system will quickly drift.

pezezin··on Show HN: Physically accurate black hole you can put in your room
12 years ago I had to write the firmware for an IMU. It took me some real effort to convince my bosses that double integration was, for all practical purposes, impossible. I wish I had known about this video back then...

IMU are very useful to known your orientation though. Even an inaccurate IMU is useful to provide an initial estimate to feed vision-based algorithms.

pezezin··on Map of the world's great castles and fortresses
Being more coherent than English is not exactly a high bar to clear...

(at least when it comes to languages based on the Latin script)

pezezin··on How to pack ternary numbers in 8-bit bytes
For those who are not aware, Soviet scientists actually developed ternary computers back in the '50s: https://en.wikipedia.org/wiki/Setun

Ternary encodings are also popular for data transmission, for example both USB4 and GDDR7 use PAM-3 encoding.

pezezin··on 85.3 GFlops: Optimizing FP32 Matrix Multiplication on a Single AMD Zen 3 Core
Obrigado for the explanation and the interesting link :)
← PreviousPage 3 of 34Next →