r/HPC↗
High-Performance Computing: It's all about the FLOPS.
Multicore, cluster, and high-performance computing news, articles and tools.
21k subscribers58 posts / mo in Sep 202647 authors / mosince 2008
r/HPC has 21k members (+27% over the last 12 months). It gets about 58 posts a month from 47 people. Top topics: Supercomputing Technology Trends, Intel Processors & Technology and Supercomputing Hardware Comparisons.
When to post on r/HPC
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How r/HPC has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/HPC
Top topics
Share of the subreddit's posts
- Supercomputing Technology Trends8.0%
- Intel Processors & Technology1.3%
- Supercomputing Hardware Comparisons1.0%
- GPU Drivers & Open Source0.9%
- ZFS & Proxmox Storage0.6%
Brands people mention
Most-mentioned brands and sites, last 12 months
- NVIDIA
- Substack
- HPCwire
- Wolfram
Everything else about r/HPC
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research