touisteur

6 ms·

61.
by touisteur 9mo ago
rust-vmm-based environment that verifies/authenticates an image before running ? Immutable VM (no FS, root dropper after setting up network, no or curated device), 'micro'-vm based on systemd ? vmm captures running kernel cod
62.
by touisteur 9mo ago
That's my experience as well, after monitoring frequency and temp on lots of kernel on all the spectrum from memory-bound, to L2-bound to compute-bound. Hard to reach the 600W with memory-bound kernel. TensorRT manages it somehow with
63.
by touisteur 9mo ago
I thought so but no, iterative small matrix multiplication kernel in tensor cores, or pure (generative) compute with ultra-late reduction and ultra-small working memory. nsight-compute says everything is in L1 or small register file, no spi
64.
by touisteur 9mo ago
I don't have first-hand knowledge on HBM GPUs but on the RTX Blackwell 6000 Pro Server, the perf difference between the free up-to-600W and the same GPU capped at 300W is less than 10% on any workload I could (including Tensor Core-hea
65.
by touisteur 9mo ago
And NVIDIA supposedly has the exact knowhow for reliablity, as their Jetson 'industrial' parts are qualified for 10-15 years at maximal temp. Of course Jetson is on another point of the flops and watts curve. Just wondering, if re
66.
by touisteur 9mo ago
And even if you a runtime solution with no runtime cost, you'd still need to run the code , to find the memory safety bugs. Static analysis is supposed to tell you there is no path that violates memory safety.
67.
by touisteur 9mo ago
Before we go down that path, datacenters full of oil tubs seems to be a trend in some spaces. Very good cooling power, low-tech heat extraction (small pumps to make the oil move, car radiators with big simple plumbing... do the trick well).
68.
by touisteur 9mo ago
The A40, L40S and Blackwell 6000 Pro Server have RT cores. 3 datacenter GPUs. If you want binning in action, the RTX ones other than the top ones, are it. Look for the A30 too, of which I was surprised there was no successor. Either they h
69.
by touisteur 9mo ago
Sorry, I went full typical HN commenter stereotype :-)
70.
by touisteur 9mo ago
Another time I wish rust had named parameters. For reading code without an IDE (which is a lot of the experience in discovering a library, learning, navigating in code on github...) it would be useful.
71.
by touisteur 9mo ago
I wish you'd have expanded on that. I almost always learn about some interesting lower-level tech through people trying to avoid a full-featured heavy-for-their-use-case tool or system.
72.
by touisteur 9mo ago
Interesting, as a self-contained minimalistic setup. Shouldn't one be using a storage system such as S3/garage with ephemeral settings and/or clean-up triggers after job-end ? I get the appeal of using one-system-for-everythi
73.
by touisteur 9mo ago
There are ways to build blocklists for IPv6. I saw (used) once bloom filters for this. Inspired by some papers from the 2000s, this one in 2009 https://www.nokia.com/bell-labs/publications-and-media/publi...
74.
by touisteur 9mo ago
Oh for some time after its introduction, CLOCK_MONOTONIC_RAW wasn't vDSO'd and it took some time and syscall profiling ('huh, why do I see these as syscalls in perf record -e syscalls' ...) to understand what was going o
75.
by touisteur 9mo ago
I think, to beamform in the right direction you have to be able to locate yourself precisely, have an up-to-date almanach of the satellites, and a precise enough datation source. Jamming GNSS is a source of problems for 2 of those issues. A
76.
by touisteur 9mo ago
I don't know about 'a few specific cases'. STIs, mental health issues, pregnancies (interrupted or not, voluntarily or not), contraception methods and/or lapses, anything often misunderstood like MS or neurodegenerative
77.
by touisteur 9mo ago
And from the state of note-taking and summarizer bots on audioconferences it's going to become potentially worse. The number of times I've had to correct negations in the results of several of those applications in the last year o
78.
by touisteur 10mo ago
I think it's something to do with the expectations of automation. We seem to be wired or trained to trust the machines fully, and enter a state of helplessness when we think we are driven by a machine. I've seen this with gnss-ass
79.
by touisteur 11mo ago
I'm OK pondering the right use for the tool for as long as it'll take for the dust to settle. And I'm OK too trying some of it myself. What I resent is the pervasive request/pressure to use it everywhere right now, or &#
80.
by touisteur 11mo ago
If you don't need full ieee-754 double precision, ozaki scheme (emulation with tensor cores) might do the trick. It's been added (just a little bit) to cublas recently.
81.
by touisteur 1y ago
Similar fun as the time I discovered one could use IFB to set qdiscs on incoming traffic (why would one would do that is left as exercise to the reader, but my journey included using the 'plug' qdisc and tcp-checkpoint/restor
82.
by touisteur 1y ago
From their publication history, they want to use all HPC niceties, to use most/any available HPC installations. Nowadays that means mostly CUDA on NVIDIA and HIP on AMD on the device side. Curious how the spirv support is on NVIDIA GPU
83.
by touisteur 1y ago
The work done/supervised by Kristopher Micinski on using HPC hardware (not only GPUs but clusters) for formal methods is really encouraging. I hope we reach a breakthrough of affinity between COTS compute hardware and all kinds of form
84.
by touisteur 1y ago
I feel I'm still doing it the old 2010 way, with all my hand-crafted dpdk-and-pipelines-and-lockless-queues-and-homemade-taskgraph-scheduler, any modern reference (apart from 'use seastar' ? ... which fair if it fills your ne
85.
by touisteur 1y ago
How happy I am to have all written/read data going through a DSL. On to generating the code to make OpenZL happy...
86.
by touisteur 1y ago
They still had a boom of being used for a lot of HPC loads, even non-AI supercomputers, although it was quickly dwarfed by their other markets.
87.
by touisteur 1y ago
Not since the Ozaki scheme has appeared. Good high-precision perf from low-precision tensor units has unlocked some very interesting uses of low-fp64-perf GPUs.
88.
by touisteur 1y ago
I think the remark is more about Tensor Cores (or Matrix Cores in AMD lingo) are distributed by SM (and not aside on an interconnect and individually programmable) so on the same SM you have your classical warps (cuda cores) AND the Tenso
89.
by touisteur 1y ago
A whole zoo of dimensional analysis in programming languages : https://www.gmpreussner.com/research/dimensional-analysis-in...
90.
by touisteur 1y ago
Can confirm that most of the times when reproducing/implementing a paper or trying to extend it to another field, researchers are pretty OK (some very enthusiastic) to chat over email about it. As long as you've actually read the

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