Terminal showing the resource-tracker binary wrapping a Python training script and emitting JSON metrics per second.
Apr 23, 2026
Resource Tracker in Rust: Single-Binary Monitoring
We ported the Resource Tracker to Rust: a ~2 MB binary that tracks CPU, memory, GPU usage, and more.
Screenshot of some sc-membench results on the sparecores.com website showing memory bandwidth for read, write, and copy operations along with the CPU cache hierarchy level markers.
Jan 26, 2026
Modern Memory Bandwidth Benchmarks
We open-sourced sc-membench, a modern and flexible memory bandwidth and latency benchmarking tool.
A collage of Spare Cores highlights from 2025, including conference photos and benchmark charts.
Nov 14, 2025
What We Have Been Up to in the Past Months
New vendors, LLM benchmarks, the Resource Tracker family, conference travels, and long-term sustainability.
R console output showing starting the Resource Tracker and getting server recommendations from Spare Cores.
Aug 11, 2025
Native support for the Resource Tracker in R
Track the CPU, memory, GPU, disk and network utilization of your R scripts and get cloud server recommendations!
Screenshot of a Metaflow card on resource usage of a GPU workflow step.
Apr 2, 2025
Optimizing Resource Usage of Batch Jobs
Seamlessly track the resource usage of e.g. Metaflow steps and find the best value servers for any workload!
Banner showing the number of applicants and accepted projects into the 3rd Open Call of NGI Search.
Jan 18, 2024
Project takeoff: NGI Search grant award
Spare Cores was selected as a winner project out of 94 applications: awarded 150k EUR for open-source work.