AI Agents & Infrastructure
Brian2 Atlas
Distributed neural simulation with MPI for Brian2 models
- 0community votes
- 0DR by Ahrefs −1 (down) since last check
- 2026founded
Ahrefs Domain Rating signal 13 Nov 2026, signal shifted 2 Nov 2026.
Open-source engine for distributed simulation of Brian2 neural models across MPI clusters, CPU, GPU and browser runtimes.
What it is
Brian2 Atlas is an open-source execution engine that extends Brian2 with distributed neural simulation capabilities. It retains Brian2's familiar modelling interface while adding support for partitioning neural networks across MPI processes on single or multi-node clusters. The engine also supports CPU, GPU (Apple Metal and NVIDIA CUDA), and WebAssembly browser execution paths.
The system uses AtlasIR, a typed intermediate representation, to connect model equations to runtime execution plans. This makes scheduling, state storage and event exchange explicit and verifiable. A bounded training extension provides native forward and reverse execution for spiking network learning with surrogate spike gradients.
Brian2 Atlas is developed by Next Brain and runs independently without requiring a platform account. Source code, an arXiv manuscript, reproduction materials and slides are publicly available on GitHub under Apache 2.0 license for original code, with retained Brian2 code under CeCILL 2.1.
Systems
- Distributed simulation across MPI ranks
- Multi-backend execution (CPU, GPU, Browser, MPI)
- AtlasIR typed intermediate representation
- Native forward and reverse execution for training
- Retains Brian2 modelling interface
- GPU execution on Apple Metal and NVIDIA CUDA
- WebAssembly browser execution
- CPU reference and AOT compilation
Pricing
Pricing model: Open source
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Brian2 Atlas metrics
Signal readout for next-brain.ai: Ahrefs Domain Rating and Majestic link signals, arrows for the change since the last scan.
- 0 Domain Rating −1 (down) since last check
- 3 Trust Flow no change since last check
- 19 Citation Flow no change since last check
- 14 Referring domains no change since last check
- 28 External backlinks no change since last check
Ahrefs Domain Rating signal 13 Nov 2026, signal shifted 2 Nov 2026. Strongest signal topic: Computers/Security (2). Majestic signal 25 Oct 2026, signal shifted 25 Oct 2026. Link signals from Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.
Brian2 Atlas domain signal
Show the signal details
Public RDAP record, last read 11 Nov 2026, 19:13 UTC.
- Domain age 4 months
- Registered
- Expires
- Registrar Cloudflare, Inc
- DNSSEC Not signed
Brian2 Atlas post-launch signal
The record for Brian2 Atlas after its launch on Nexora Launch (25 October 2026), from the readings we keep.
- 0 Domain Rating (Ahrefs) −1 (down) since launch
at launch: 1 (25 Oct 2026); latest: 12 Nov 2026 - 3 Trust Flow (Majestic)
first measured 25 Oct 2026 - 14 Referring domains (Majestic)
first measured 25 Oct 2026
Day 18 since launch. Next receipt: day 30, 24 Nov 2026. A change here is a reading, not a claim about its cause; lots of things move these figures. Anything we do not measure is not shown.
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Quick answers
- Does Brian2 support distributed simulation natively?
- Upstream Brian2 does not natively split a single network simulation across machines with MPI. Its documented multiprocessing workflow runs independent simulations in parallel. Brian2 Atlas adds a separate execution backend for partitioning a supported network.
- What is the difference between parameter sweeps and distributed network simulation?
- Parameter sweeps run separate networks or trials, each with its own state. Distributed network simulation divides work within one connected network and coordinates spike delivery and state updates across ranks.
- What license is Brian2 Atlas released under?
- Original Atlas engine code uses Apache 2.0 license. Retained Brian2 code remains under CeCILL 2.1. The manuscript and slides use CC BY 4.0.
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