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© 2026 Supercomputing NewsBuilt on Payload + Next · USDC on Base
HPC pillar

High-Performance Computing

Exascale machines, accelerator roadmaps, and the infrastructure behind every large-scale workload.

Type
Topic
High-Performance ComputingNews

Sweden's Mimer Buys an AI Services Layer, Not a New Flagship

EuroHPC signed a EUR 29.76M contract with the relaunched Bull to deploy the Mimer AI Factory in Linköping, Sweden. At roughly a tenth the budget of Italy's IT4LIA, Mimer is less a new flagship machine and more a services envelope.

SS
SCN Staff·Apr 24, 2026·4 min
AI InfrastructureNational Labs & Government
Apr 21
2026
Analysis

Slingshot Held Performance Under AI Traffic Patterns That Collapsed InfiniBand by 5x on Production Exascale

ISC 2026 research on LUMI, Leonardo, CRESCO8: Slingshot held performance; InfiniBand collapsed 5x under Incast, the AI gradient-sync traffic pattern.

SCN Staff
AI InfrastructureData Center InfrastructureNVIDIAExascale Computing
Apr 16
2026
News

Argonne Turns a Plain-English Prompt Into 11,182 GCMC Runs on Aurora

A planner/executor agent hierarchy drove a 5,591-MOF screening campaign across 256 Aurora nodes. Orchestration overhead came in under 90 seconds per run.

SCN Staff
Exascale ComputingNational Labs & GovernmentDepartment of EnergyTop500Agentic AI
Apr 16
2026
Analysis

DOE's SYNAPS-I Platform Targets Unified AI Analysis Across Seven Beamline Facilities

DOE's SYNAPS-I targets unified AI analysis across seven beamline facilities. Can it coordinate deployment or will it fragment like existing implementations?

SCN Staff
Genesis MissionDepartment of EnergyNational Labs & GovernmentAI Infrastructure
Apr 7
2026
Analysis

A Missile Can Take Down an Availability Zone. That's Enough.

Iranian drone strikes took down AWS availability zones in Dubai and Bahrain, forcing a global reassessment of data center siting.

SCN Staff
Data Center InfrastructureHyperscaler StrategyPower & Energy
Mar 30
2026
News

Queen's and SFU Want to Build Canada's First Top-10 Supercomputer

Canada currently ranks 78th on the Top500. They'll Need Ottawa's Help.

SCN Staff
Research ComputingTop500
Mar 25
2026
News

Canada's Trillium supercomputer cracks a 50-year stellar mystery months after going online

A half-century-old question in astrophysics now has an answer, and the story behind it is as much about compute infrastructure as it is about stars.

SCN Staff
National Labs & GovernmentResearch Computing
Mar 16
2026
News

The shadow TOP500: private AI superclusters are redefining supercomputing

xAI's Cortex 2, Meta's mega-clusters, and the $100B NVIDIA-OpenAI deal represent computing installations that dwarf anything on the official rankings. The supercomputing world hasn't reckoned with what that means.

SCN Staff
Exascale ComputingHyperscaler StrategyAI Infrastructure
Mar 16
2026
News

100 Gigawatts: The Data Center Supercycle That's Rewriting Energy Policy

Power has replaced transistor density as the binding constraint on computing growth. The consequences are reshaping everything from real estate markets to geopolitics.

SCN Staff
Data Center InfrastructurePower & EnergyHyperscaler Strategy
Mar 16
2026
Analysis

ORNL's Next-Generation Data Center Institute: National Lab Expertise Meets the AI Buildout

The people who built Frontier - the world's first exascale supercomputer - are now designing the next generation of AI data centers. The hyperscalers should be paying attention.

SCN Staff
National Labs & GovernmentExascale ComputingData Center InfrastructureHyperscaler Strategy
Mar 12
2026
News

NSF's $457M Horizon Supercomputer Is Going to Morehouse College

The Leadership-Class Computing Facility's first new site selection in a generation lands at an HBCU. The workforce implications matter as much as the FLOPS.

SCN Staff
Exascale ComputingNational Labs & Government
— End of High-Performance Computing archive —