Mohamed Elashri
A collection of notes about physics, programming and personal thoughts.
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Posts

Long-form essays on physics, programming, and computing. The kind that survive peer review, or at least a second draft.

2026

May 08
The Security Model of Not Being Single
Apr 25
My new blog stack: Nida
Apr 13
Fixing TorchAO when Downgrading PyTorch for AITune
Apr 11
JSON formatting in browser is useful
Apr 08
make: the automation layer I put on everything
Apr 03
uv is a miracle for scientific computing
Mar 12
CUDA Memory Safety Problem
Mar 08
You Can't Prompt Your Way to Live Data
Mar 03
Register Spilling Analysis: How NVCC Manages the GPU Register File
Feb 17
TTree to RNTuple, A Modern Columnar Storage System
Feb 15
The CUDA Metric That Gaslights You
Feb 13
The Synchronous Call Hiding in Plain Sight
Feb 12
The Infuriating Reality of CUDA Warp Divergence
Feb 09
Domain Knowledge Is the New Syntax
Feb 05
Seafile WebDAV with Docker and Nginx Proxy Manager
Feb 01
The Physics of 2+2 universe
Jan 23
Breaking Thunderbird Free from Linux Package Lag
Jan 12
Goodbye Kagi

2025

Dec 25
Tools I Developed in 2025
Dec 02
The Quiet Progress of Particle Physics
Nov 01
Setup CERN Kerberos for SSH Authentication
Oct 29
There is a comment section here
Oct 02
Curiosity About CERN's Budget
Sep 03
GPUs vs FPGAs in LHCb Trigger: Gains and Losses
Aug 31
CCCL for HEP Triggers
Aug 28
Developing ROOT CERN in VSCode
Aug 25
When the Kindle price is higher than the physical book
Aug 20
I'm Tired of It All
Aug 10
A Milestone, txm new release
Aug 09
Keeping Analysis Work Reproducible
Aug 05
Let me complain about lxplus
Jul 30
VSCode Setup for Allen Development
Jul 24
I don't want the internet as a ghost town
Jul 22
Why Egypt Should Join CERN
Jul 19
Workspace in cuDNN
Jun 09
Muon g-2: Back to Zero
Jun 07
Mojo is not there yet
Jun 05
CUDA Memory Management: Welcome to the Jungle
Jun 03
Why I Chose AdGuard Home Over Pi-hole
Jun 01
CUDA Memory Management: A Masterclass in Pain
May 31
PhD hate journey with CUDA
May 29
The Machine Learning Deployment Gap in HEP
May 19
Bash vs Python: My Rules for Choosing the Right Tool

2024

Dec 20
Tools I Developed in 2024
Nov 10
Keep Jupyter Notebooks Running
Nov 04
ChatGPT Search and Perplexity: Initial Experience
Nov 02
Customizing Input Switch for Cosmic Desktop
Nov 01
My experience with CERN's SSH 2FA
Oct 25
Code Sync Across Network-Restricted Machines at CERN
May 12
How to install 1password on Asahi Linux?
Mar 27
How to install GitHub Copilot CLI on lxplus
Jan 18
Porting free: Linux-like memory statistics tool for macOS

2023

Dec 04
Two Language Problem
Oct 09
Running Jupyter Notebook in the Background
Sep 07
A little chat about jagged arrays
Sep 05
Fetch Bundle ID of Mac App with Raycast script
Apr 13
Particle decay width and lifetime
Mar 20
Ubuntu kernel panic
Feb 01
How to install Copilot on lxplus
Jan 04
Restore deleted files from lxplus

2022

Dec 23
Remove PHP extension from URL
Dec 15
Find large files on Linux
Dec 06
Self-hosted Firefox sync server
Nov 21
How to modify particles in LHCb Gauss
Sep 15
Write Hello World in OpenMP and C
Jun 01
Run Gauss on lxplus
May 12
Histograms in ROOT

2021

Jun 17
Monte Carlo Simulation of 2D Ising Model
Jun 01
Monte Carlo Simulation of 1d Ising Model

2020

Aug 20
MiniBooNE Particle Identification
Jun 29
Thesis defense during a pandemic
Jan 25
Convert ROOT to CSV

2019

Oct 08
ROOT on Colab
Aug 15
Addressing LHC challenges using machine learning

2018

Dec 17
Swap Memory on Linux
Jun 23
Remove docker from Ubuntu

2017

Jun 27
Falsifiability Principle