The Mercury Computer Systems ImpactRT 3100 is a high-performance processing module purpose-built for real-time computing in aerospace, defense, and industrial automation. It delivers up to 600 GFLOPS or 2.4 TOPS across up to 76 compute nodes, each equipped with a 1 GHz PowerPC 7445 processor and 256 MB or 512 MB of DDR SDRAM. The architecture employs RapidIO switch fabric technology enabling 1.2 GB/s full-duplex data transfer per node, with aggregate internode bandwidth reaching 60 GB/s.
Technical Specifications
• Up to 76 compute nodes per module
• Each compute node: 1 GHz PowerPC 7445 processor
• Per-node memory: 256 MB or 512 MB DDR SDRAM
• Peak performance: 600 GFLOPS or 2.4 TOPS
• RapidIO per-node data transfer: 1.2 GB/s full-duplex
• Aggregate internode bandwidth: 60 GB/s
• Fiber-optic I/O interfaces: up to 40 channels
• Serial FPDP interface speed: 2.5 Gigabits/s per channel
• Peak I/O aggregate bandwidth: 10 GB/s
• Compute node ASIC: GxCE (memory controller and RapidIO interface)
– Key Features
• RapidIO switch fabric for low-latency, high-bandwidth node communication
• PCI-to-RapidIO bridge module with PMC slot for I/O expansion
• Host connection via PCI to Windows 2000 systems
• RACE++ application compatibility with minimal code modifications
• MULTI integrated development environment with debugging and profiling
• TATL trace analysis tool for multiprocessor interaction diagnostics
• Fixed-point function library supporting FFT and morphology operations
– Typical Applications
• Real-time sensor data processing
• Parallel algorithm execution in defense systems
• High-bandwidth industrial automation control
• Aerospace signal processing
– Compatibility & Integration
Legacy RACE++ applications migrate without API changes. Existing code operates unchanged while gaining RapidIO performance benefits through configuration file updates. Windows 2000 host integration via PCI slot connection.

















