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Clemens Lange

@clelange

physicist @psich_en, working on the @CMSExperiment @CERN
Zurich, Switzerland clemenslange.de Joined June 2012
270 Following 231 Followers 372 Posts

Latest posts 5

Clemens Lange @clelange
Two job openings @DPNC_Unige to work on the exciting @FASERexperiment with Anna Sfyrla -- see home.cern/science/experi… for more on FASER
CHIPP_news @CHIPP_news Jan 29, 2025
two exciting openings at the @DPNC_Unige @FASERexperiment :
🔆 A postdoc opening: inspirehep.net/jobs/2858223 - deadline Feb 3
🔆 A PhD student opening: inspirehep.net/jobs/2858225 - deadline Feb 24
@CERN @DPNC_Unige @unibern @UZH_ch @psich_de @scnatCH @SBFI_CH @ETH_en @EPFL_en
#CHatCERN
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Clemens Lange @clelange
Interesting find regarding the use of "uv pip install" in container images.
Ivan Velichko Verified account @iximiuz Jan 28, 2025
An interesting take on the "real" uv performance 🧐

When pip installs a Python package, it precompiles its source into bytecode so that the consequent start of a Python program is faster.

It turns out that uv disables this compilation by default. When enabled, it's still faster than pip, but the difference becomes a little less stunning.

By the way, for containerized Python applications, you always want to set UV_COMPILE_BYTECODE=1 because a better container startup performance is likely much more important than shaving off a few seconds from the build step.

Source: pythonspeed.com/articles/faste…

P.S. pythonspeed[.com] has a great collection of posts on all things Python in Docker. Do recommend.
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Clemens Lange @clelange
We've been working @CMSExperiment to find a way to release the statistical models of our physics analyses. It's still a work in progress to get people in the collaboration to do that, but one important point is to make those results findable and now @HEPData makes that possible.
New feature: find @HEPData records with associated @CMSExperiment statistical models with a search query "analysis:Combine". hepdata.net/search/?q=anal… Cc: @clelange @lukasheinrich_
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Clemens Lange @clelange
This is great to see and a valuable resource for others who want to use public cloud resources for large-scale high-throughput computing! Congratulations to my friends @ATLASexperiment who worked on this!
#ATLASpaper: Total cost of ownership and evaluation of Google cloud resources for the ATLAS experiment at the LHC (arXiv:2405.13695) arxiv.org/abs/2405.13695
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