Hacker News: touisteur

New comment by touisteur in "What Zig felt like, coming from Rust"

touisteur — Sat, 19 Sep 2026 14:50:00 +0000

I miss the years of writing CLI tools, web servers and clients, in Ada (and of course, real-time complex distributed system...). Felt so simple and right and fast and robust. The code is still readable today and maintaining it is a zero effort today. Clean Java without the enterprise BS was a close second in ease of programming - boilerplate be damned.

I'm glad NVIDIA found a way to make GPUs programmable and got us out of the shaders tarpit, but did it have to be C++...

New comment by touisteur in "German Rheinmetall open-sources its Battlesuite connected weapon system protcol"

touisteur — Tue, 15 Sep 2026 22:56:37 +0000

Asterix is an actual standard for radar data, coming from civilian radar systems. I wish it was updated somehow for 3d beam-steered (and moving) sensors, but still it covers most of the industry's needs... I keep hearing so many grumblings of replacing it (it is binary, unforgiving, quirky, very 80s...) and of course fragmentation is back in.

New comment by touisteur in "JetKVM Mini"

touisteur — Sun, 13 Sep 2026 18:28:19 +0000

Just in case, and for people who actually do cable management...

New comment by touisteur in "JetKVM Mini"

touisteur — Sun, 13 Sep 2026 12:16:05 +0000

I was thinking the point was it was so light to have it hanging on the cables themselves, as I'm certain absolutely no one does in any of their installations...

New comment by touisteur in "Use Vsock with Libzmq"

touisteur — Thu, 10 Sep 2026 06:43:17 +0000

Building micromvs with no network support helps with isolation and (more) kernel surface reduction.

New comment by touisteur in "Use Vsock with Libzmq"

touisteur — Thu, 10 Sep 2026 06:37:00 +0000

Been hoping for some time someone would write it better than my local ugly hack. This immediately useful. Thanks a bunch.

New comment by touisteur in "Arm Mali G2-Ultra NX GPU: desktop-class mobile gameplay with AI-native graphics"

touisteur — Tue, 08 Sep 2026 21:15:45 +0000

Thanks. I was just wondering, since I think I saw NXP had Arm SKUs with Mali GPU and had some hope someone here would Cunningham's Law me.

New comment by touisteur in "Arm Mali G2-Ultra NX GPU: desktop-class mobile gameplay with AI-native graphics"

touisteur — Tue, 08 Sep 2026 11:24:37 +0000

Any foundry in Europe able or going to manufacture a chip with this on ?

New comment by touisteur in "A practical guide to running 8x RTX PRO 6000's"

touisteur — Sat, 05 Sep 2026 11:46:38 +0000

Yes that was the second part of my comment. I've been benchmarking many things AI or not on those boards and while one can sometimes get to 600W I haven't seen more than 10% gain for those last 250W. If someone has a workload that gets more from those watts I'd be interested. For now on anything I run (full-capacity, continuous, batched...) capping at 350W seems better in bang-for-bucks when including energy costs (from the GPU + added cooling).

New comment by touisteur in "AI handles incidents, engineers lose touch with their systems"

touisteur — Sat, 05 Sep 2026 09:44:12 +0000

For more in this vein, look up "Automation should be like Iron Man, not like Ultron". Sad to see so many people let go of their agency.

New comment by touisteur in "A practical guide to running 8x RTX PRO 6000's"

touisteur — Wed, 02 Sep 2026 21:08:06 +0000

I'm curious whether actual inference workloads actually push to 600W (and not 350W) and what the last 250W get you. Rare is the (generic gpu) workload where I get >5%, some rare light inference benchmarks up to 10%...

New comment by touisteur in "Samsung's Processing-in-Memory (PIM)"

touisteur — Sun, 30 Aug 2026 00:15:31 +0000

Data movement and local operations are still bottlenecked today on memory bandwidth. Butterfly primitives, sorting/fft/1D-convolution, the whole cub library, could be ported there and have great performance wins. But the pain of programming and maintaining code using this...

New comment by touisteur in "Doctors are finally learning to manage antidepressant withdrawal"

touisteur — Fri, 28 Aug 2026 14:58:58 +0000

Venlafaxine has also been a godsend for me. My doctor started me on ut first and past the two weeks of rebalancing (big ideation swings and so much calling to act on it...) and all kinds of pains (digestive mostly), it literally allowed me to smile again, which my wife realized hadn't happened in over a year.

I can relate to the feeling when missing a dose. No tolerance for being forgetful. Lots of anxiety brought by this tether... and the permanent anorgasmia (in my case) is sad but I was dying...

Sadly I built tolerance over 2 years and had to stop, taper off (horrible experience) and try others (most that were cited in this comment section). All had painful and very annoying side effects and tapering was a pain after trying and each time feeling so disappointed and tired. Most worked on reducing ideation but the costs (inability to concentrate, brain fog, sometimes inability to work) were too high.

Turns out tolerance to venlafaxine ebbs out after some time, so after a moment I was able to restart for a year until I didn't need antidepressants anymore.

I've learned reading forums of the gamut of experiences with antidepressants and just want to add a voice to 'they can work, great even, not perfect' and between dying and trying them (with clear open eyes about the tradeoffs) I'd advise trying.

New comment by touisteur in "Bun 1.4 Rust rewrite is not looking good?"

touisteur — Thu, 20 Aug 2026 14:49:30 +0000

In a previous life I managed to deliver a system with (basic-block) coverage measurement compiled in (gcov) but instead of the mess of files gcov generates, the whole coverage structure was streamed to a remote server (it compressed very well). Once that was in place it was an amazing telemetry tool.

Later on used Intel Processor Trace in a similar fashion for even finer (mc-dc) coverage.

Coverage tools are very useful, if a bit hard to use...

New comment by touisteur in "Looking for Missed Alarm Bugs in a Formal Verification Tool"

touisteur — Wed, 19 Aug 2026 12:20:23 +0000

I wish John Regehr was more widely read. The constant grind that improving formal method tools is a somehow unrewarding but worthy calling.

Missing runtime checks are a pain and I remember one that struck me as hard: https://www.adacore.com/blog/the-most-obscure-arithmetic-run...

New comment by touisteur in "Single log line is 49KB+ (ext4) / 110KB+ (btrfs) of systemd-journald disk writes"

touisteur — Fri, 14 Aug 2026 06:43:53 +0000

rsyslog is an incredible piece of software. Every time I'm looking for something to do with logs, opening the docs or googling finds the feature for me and myriads alternatives. I know it still exists and use it heavily on any system I'm in charge of, but there's some regret at having a dual system with journalctl...

New comment by touisteur in "LFM2.5 2.6B model competitive with 4x larger models"

touisteur — Tue, 11 Aug 2026 06:17:51 +0000

Really curious about people's workflows with these agentic-but-not-for-coding workflows. Are there some interesting people to follow there or just good testbeds/environments to get an idea ?

New comment by touisteur in "Exploiting System Management Mode with a very long interrupt"

touisteur — Mon, 10 Aug 2026 21:37:34 +0000

I have a reproducible way to have a pwrite syscall on a specific SSD on a specific machine take 15+ seconds and completely block any syscall related to that SSD by any other thread or core during that amount of time. I tried and couldn't preempt it either (sched_fifo and preempt kernel options). I should have a look soon with Intel PT to check whether it's on the same instruction every time :)

New comment by touisteur in "Wireblast a 100 Gbps packet generator in Go using AF_XDP"

touisteur — Sun, 09 Aug 2026 21:50:34 +0000

I half-wished I'd get Cunningham's law-ed here. I read a bit more and there seems to be some support for tcp and udp offload, https://netdevconf.info/0x17/sessions/talk/tcp-offload-via-a... but I haven't checked how easy it is to use.

A lot of the socket featureset of io_uring seems available in AF_XDP https://docs.kernel.org/networking/af_xdp.html which shows lots of progress since I looked last.

To get an idea of what DPDK gives low-level access to there is the overview https://doc.dpdk.org/guides/nics/features.html and my "favorite annual terabit read" https://doc.dpdk.org/guides/nics/mlx5.html#mlx5-net-features for NVIDIA NICs. Broadcom has some fun stuff too. The first time you hit top RX speed (2x400G my latest) with only one busy core (yay DMA engines) is always a thrill.

New comment by touisteur in "Making Postgres 300x faster for analytics: batching, operator fusion, and SIMD"

touisteur — Sun, 09 Aug 2026 13:25:00 +0000

Especially if it can be run as a read-only replica.