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wmf

52,315 karma · joined August 19, 2007

Wes Felter, expert in datacenter/cloud networking and containers. Previously worked at IBM Research and a large investment bank.
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wmf··on OpenAI engineer arrested in bugging of executive conference room
A new team, probably focused on better data.
wmf··on We have no moat, and neither does open source
There have been plenty of open source projects that view themselves as natural monopolies and treat the existence of alternatives as something akin to high treason. They never admit this of course.
wmf··on Intel D270 GPU AI Accelerator–Up to 480 GB LPDDR5X
It uses Xe cores that come from GPUs.
wmf··on The Hetzner Cloud network stack – history and technical overview
If you want Nitro you know where to find it... and what it costs.
wmf··on Ask HN: Is the Steam Machine worth $1049?
It's not worth it and I'm kind of baffled that Valve let this happen. https://www.youtube.com/watch?v=BrRIhq2ZdLw
wmf··on Improving and Stabilizing the Racoon2 IKE Daemon in NetBSD
There is a lot of legacy IPSec out there. For example AWS Site-to-Site VPN seems to still be IPSec.
wmf··on AnyPS5: Port PS5 binaries to PC without emulation (87% system libraries mapped)
Weird hardware is just worse. You can't beat mainstream CPUs or GPUs that now have decades of investment behind them.
wmf··on Using Blu-ray M-Disk as backup of last resort
Hard disks aren't even rated for one decade.
wmf··on Jonathan Haidt: AI Is the 'Neutron Bomb for Education' [video]
Obviously the "give me the answer" style of AI should be banned for students. Do good educational AI tools exist yet?
wmf··on Homa: The end of TCP for AI clusters [video]
You keep talking about Gbits but Homa is about latency.
wmf··on Homa: The end of TCP for AI clusters [video]
1. You have to use timeouts just like TCP has a SYN timeout.

2. TCP doesn't have encryption either. They should probably show DTLS working though.

4. You can't just say QUIC is faster without testing it.

wmf··on Homa: The end of TCP for AI clusters [video]
The packet sizes should be the same for TCP or Homa; the difference is in sender-based vs. receiver-based congestion control.
wmf··on Homa: The end of TCP for AI clusters [video]
Flow control is better than nothing but it can cause congestion spreading and bufferbloat. QCN, Falcon, and Ultra Ethernet provide much better congestion control for RoCE but they also require newer hardware compared to Homa.
wmf··on Homa: The end of TCP for AI clusters [video]
I've been hearing about Homa for years and wondered what's new. I found a changelog in the readme of the git repo: https://github.com/PlatformLab/HomaModule
wmf··on LeCun has "zero concerns" about AI wiping out humanity, recent "rogue" incidents
As a lone person who owns ten million killbots they could do a lot.
wmf··on LeCun has "zero concerns" about AI wiping out humanity, recent "rogue" incidents
If you don't pitchfork the elites you have no one but yourself to blame.
wmf··on MPEG-2 Transport Streams and MOQ: Yes, MPEG-TS Is Still Relevant Today
The real argument about Transport Stream isn't its age but unnecessary overhead. If backwards compatibility is more important than overhead, fine. But acknowledge that there is a tradeoff.
wmf··on The Forgetful CPU (Linux on M4)
AFAIK the M4 and M6 reverse engineering is AI-assisted.
wmf··on Starcloud White Paper [pdf]
Discussion from 6 days ago: https://news.ycombinator.com/item?id=49838111
wmf··on The top secret URSALA, RAQUEL, and FARRAH satellites (2025)
Starshield is pretty cool.
wmf··on 5x faster Edge Functions: V8 isolates to Firecracker MicroVMs
V8 is extremely optimized for script startup time.
wmf··on 5x faster Edge Functions: V8 isolates to Firecracker MicroVMs
"In the past, requests went out to a hosted execution service."

They were outsourcing to another company so there's plenty of room for overhead to creep in.

wmf··on Google ending ChromeOS support two years early
The point is that kids can't break the OS.
wmf··on Who Killed Paulina Borsook's Career?
Often they don't and it's kind of the point. You could go by Rich, Richie, Rick, Ricky, Dickie... if you choose to call yourself Dick, you know you're going to cause some amount of snickering and you're doing it on purpose.

Also I remember men called him Richard Feynman but a lot of women called him Dick. That's sending a different message.

wmf··on Ask HN: Is strong anti-AI sentiment psyops
Artists and authors genuinely believe their work is being stolen by AI. That part isn't a psyop.

There are a couple of data centers that are causing real water, noise, or pollution problems and it doesn't help that one of them is run by Elon Musk.

The chip shortage and resulting price increases are also very real.

And AI is not profitable. There probably is a bubble that will bankrupt some companies (maybe not the ones you've heard of).

When you mix all these facts with pre-existing skepticism of capital and corporate power you get the backlash. It's exaggerated and spinning out of control, but it's rooted in reality.

wmf··on Anthropic's IPO prospectus shows AI vision, surging costs
I would assume clouds count as resellers not customers.
wmf··on Anthropic's IPO prospectus shows AI vision, surging costs
Not including Q1 and Q2 numbers sounds like a hit piece.
wmf··on World Labs Is Joining AMD
It's called Hyperloom.
wmf··on World Labs Is Joining AMD
If the ROCm team can't get enough compute it doesn't bode well for World Labs.
wmf··on Nvidia wants to put a watchdog chip next to every AI agent
It has a separate address space separated by PCIe so even escaping the hypervisor won't give access to DPU memory.
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