Hacker News: delamon

New comment by delamon in "Asahi Linux Progress Report: Linux 7.2"

delamon — Thu, 27 Aug 2026 08:04:45 +0000

My amd thinkpad idles at 3w, watching youtube is about 4.5-5w.

New comment by delamon in "What Is a Syslog Server?"

delamon — Tue, 25 Aug 2026 16:07:48 +0000

Yes, but if you want pus truly wide events (e.g. >64KiB), then it migth push syslog implementation from happy/well-throded path.

New comment by delamon in "What Is a Syslog Server?"

delamon — Tue, 25 Aug 2026 14:52:38 +0000

> There can be overload, but the backpressure should propagate downstream and senders and intermediaries should buffer locally if needed.

You're only delaying the inevitable. Even with local buffering, you can arrive at a point where you can buffer no more and have either to choke the production workload or start dropping messages.

New comment by delamon in "China’s open-weights AI strategy is winning"

delamon — Tue, 21 Jul 2026 11:11:17 +0000

You surely meant capacitors, not transistors

New comment by delamon in "Eliminating Go bounds checks with unsafe"

delamon — Mon, 20 Jul 2026 10:28:57 +0000

How so? PGO might indicate that most of the time arguments are in bounds, but that's not enough. It has to be a proof with 100% certainty before bound checks can be removed

New comment by delamon in "I tricked Claude into leaking your deepest, darkest secrets"

delamon — Wed, 15 Jul 2026 11:21:05 +0000

Or even use acl(5), which is simplier than making arbitrary groups.

New comment by delamon in "Your code is fast if you're lucky"

delamon — Sat, 11 Jul 2026 14:31:48 +0000

You can, in fact, give compiler a hint wether the branch will be predictable or not. E.g. clang has __builtin_unpredictable().

Claude bug report: Cross-session credential leakage

delamon — Wed, 08 Jul 2026 08:47:34 +0000

Article URL: https://github.com/anthropics/claude-code/issues/72274

Comments URL: https://news.ycombinator.com/item?id=48829323

Points: 4

# Comments: 0

New comment by delamon in "Framework's 10G Ethernet module exposes USB-C's complexity"

delamon — Fri, 26 Jun 2026 08:16:51 +0000

He only gets 4-5Gbps in the other direction.

New comment by delamon in "Zig: Build System Reworked"

delamon — Sun, 31 May 2026 08:01:04 +0000

Inderect call cost is a few cycles, if predicted. Now, you can argue, that it may be mispredicted and misprediction would cost about 20-30 cycles. But if it is mispredicted, then you are not calling into allocator often enough. And if you don't hammer it hard, then why do you care about preformance?

Tanenbaum: Can We Make Operating Systems Reliable and Secure? (2006) [pdf]

delamon — Tue, 19 May 2026 17:49:57 +0000

Article URL: https://www.cs.vu.nl/~ast/Publications/Papers/computer-2006a.pdf

Comments URL: https://news.ycombinator.com/item?id=48196657

Points: 2

# Comments: 0

New comment by delamon in "Bun Rust rewrite: "codebase fails basic miri checks, allows for UB in safe rust""

delamon — Mon, 18 May 2026 11:20:43 +0000

can't help myself: how common to see code like https://github.com/oven-sh/bun/blob/main/src/bun_core/string... instead of simple ilog2()? I guess, ut somewhat explains how they got 700k+ lines of code

New comment by delamon in "EU Parliamentary Research Service calls VPNs "a loophole that needs closing""

delamon — Sat, 09 May 2026 11:59:27 +0000

yes

New comment by delamon in "Dirtyfrag: Universal Linux LPE"

delamon — Fri, 08 May 2026 13:41:34 +0000

I assume you mean container, not VM. But yes, container makes it harder.

New comment by delamon in "Dirtyfrag: Universal Linux LPE"

delamon — Fri, 08 May 2026 12:43:23 +0000

The attack gives you ability to overwrite any cached page. So you don't need to be root to "edit" /etc/passwd.

New comment by delamon in "Dirtyfrag: Universal Linux LPE"

delamon — Fri, 08 May 2026 08:45:22 +0000

setuid binaries are not the only way to get root. E.g. one can change /etc/crontab or /etc/passwd. Or add trojan to /bin/ls and wait until admin type 'ls'

New comment by delamon in "Copy Fail 2: Electric Boogaloo"

delamon — Fri, 08 May 2026 06:49:45 +0000

Apparently it is both...

New comment by delamon in "Copy Fail 2: Electric Boogaloo"

delamon — Fri, 08 May 2026 05:57:13 +0000

If you "forget" to mark COW memory pointer as no-write, the net effect would be same, would it not? If I'm reading the diff correctly, the problem was that code missed to mark some pages as shared (aka no-write).

New comment by delamon in "Copy Fail 2: Electric Boogaloo"

delamon — Fri, 08 May 2026 05:03:58 +0000

How would've memory safety helped here?

New comment by delamon in "StarFighter 16-Inch"

delamon — Wed, 06 May 2026 18:20:14 +0000

Another data point: AMD T14 G4 with s2idle draws about 0.4% per hour of sleep.