Hacker News: mkhnews

New comment by mkhnews in "The AI Bubble – No One's Happy"

mkhnews — Wed, 27 May 2026 00:17:46 +0000

FOMO, not ROI, is driving hyperscaler capex And the other point is good also - so many tokens spent on code that is not quite right, so more prompting and redoing.

New comment by mkhnews in "Jemalloc Postmortem"

mkhnews — Fri, 13 Jun 2025 23:52:54 +0000

Yes, some good times despite all the work.

New comment by mkhnews in "Show HN: list of all (known) terminals"

mkhnews — Mon, 06 Jan 2025 04:45:03 +0000

foot ? mlterm ? zutty ? come on ...

New comment by mkhnews in "1/25-scale Cray C90 wristwatch"

mkhnews — Wed, 19 Jun 2024 19:27:35 +0000

liquid cooled ?

New comment by mkhnews in "Show HN: Shpool, a Lightweight Tmux Alternative"

mkhnews — Fri, 14 Jun 2024 02:36:50 +0000

Hi. ok, I get that. Maybe something like A-left to move to next i3 window and A-S-left to move to next tmux window within an i3 window ? Perhaps a tiling window manager with multiple windows combined with tmux dividing some of those windows further into sub-windows isn't an ideal flow.

New comment by mkhnews in "Show HN: Shpool, a Lightweight Tmux Alternative"

mkhnews — Thu, 13 Jun 2024 23:22:27 +0000

Hi. Nice kit. > I couldn't use my normal `i3`/`sway` bindings to switch between terminals inside a tmux session Just curious, what are your normal 'i3'/'sway' bindings that you cannot get to work with tmux ? And what actual terminal program do you use ? Perhaps tmux wants more config than most people care to bother with, but scrollback and copy-paste can be configured just as you like.

New comment by mkhnews in "For sale replica of the mustang aircraft"

mkhnews — Thu, 06 Jun 2024 00:41:18 +0000

Nice. But I'd prefer a P-38 replica

New comment by mkhnews in "Popular Git config options"

mkhnews — Fri, 16 Feb 2024 22:00:51 +0000

Same here -

[alias]

    alias = "!git config --get-regexp ^alias. | sed 's/^alias.//'"

New comment by mkhnews in "The power of two random choices"

mkhnews — Thu, 08 Feb 2024 13:53:38 +0000

I used this method for a cache eviction/replacement scheme. For our use case it was better than traditional lru.

New comment by mkhnews in "The Itanic Saga: The History of VLIW and Itanium"

mkhnews — Wed, 24 Jan 2024 04:13:41 +0000

Was at Convex and then HP (and then Convey) and worked quite hard porting/optimizing numerical/scientific apps for the I2. Eventually, I think performance for some apps was ok, I mean considering a 900 Mhz clock and all.

New comment by mkhnews in "From slow to SIMD: A Go optimization story"

mkhnews — Tue, 23 Jan 2024 21:47:34 +0000

OpenBLAS with INTERFACE64=1 ??

New comment by mkhnews in "From slow to SIMD: A Go optimization story"

mkhnews — Tue, 23 Jan 2024 20:50:34 +0000

Great stuff. We used to do this sort of opt for dot, axpy, gemm, etc. in the BLAS and LAPACK libs a long time ago.

New comment by mkhnews in "Estimating Your Memory Bandwidth"

mkhnews — Sat, 13 Jan 2024 21:50:24 +0000

A benchmark often used in the past in HPC for measuring system memory bandwidth is stream from John McCalpin. On my laptop I get similar results with this utility :-)

New comment by mkhnews in "Tell HN: I salute everyone on call/working support through the holidays"

mkhnews — Thu, 21 Dec 2023 20:07:53 +0000

Thanks, been there many seasons, and same to you all.

New comment by mkhnews in "The Linux Scheduler: A Decade of Wasted Cores (2016) [pdf]"

mkhnews — Thu, 14 Dec 2023 00:12:06 +0000

Does disabling transparent huge pages help any here ?

New comment by mkhnews in "Linux ate my RAM (2009)"

mkhnews — Mon, 09 Oct 2023 20:44:50 +0000

And perhaps k8s is a specific category to consider here. I've read and thought I've experienced where 'active' (as opposed to in-active) page-cache does count towards k8s mem limit.

New comment by mkhnews in "Linux ate my RAM (2009)"

mkhnews — Mon, 09 Oct 2023 20:14:10 +0000

Another question is about containers and memory limits. Does the page-cache count against my container memory limit ? And if so, then when I hit that limit from doing many reads, does the page-cache start taking from itself without OOM killer getting involved ?

New comment by mkhnews in "Linux ate my RAM (2009)"

mkhnews — Mon, 09 Oct 2023 18:15:32 +0000

>> If applications want more memory, they just take it back from the disk cache. Q: If there is no swap configured, will a malloc() then take away clean page-cache pages ? Or does that happen only on page-in ?

New comment by mkhnews in "Bram Moolenaar has died"

mkhnews — Sat, 05 Aug 2023 14:29:53 +0000

RIP and thank you for vim, your effort and for caring about good software. ZZ

New comment by mkhnews in "Thanks, David Peter"

mkhnews — Mon, 29 May 2023 15:34:25 +0000

I will say thank you as well. I support these projects on GH.