LS3C5000
LS3C5000
Loongson 3C5000 is a general-purpose processor for servers. The chip integrates 16 high-performance LA464 cores and utilizes LoongArch, a proprietary ISA of Loongson. It features an optimized packaging form while maintaining system and application software compatibility with the Loongson 3C5000L motherboard.
LS3C5000 Specification
Key Features
- Loongson instruction set architecture (LoongArch? )
- High-end multi-way: up to 16 socket with 256-core CC-NUMA interconnection structure.
- Excellent computing performance: measured over 900 points with SPEC CPU2006 result on 4 socket server.
- Efficient virtualization: Over 95% of KVM computing efficiency
- High-speed interconnection: Multi-level hierarchical cache coherence protocol for efficient local and cross-chip access.
- High bandwidth of memory: 4 memory channels per socket, providing sufficient bandwidth.
- Supporting extended I/O: dual-bridge chipset support on multi-socket server
Frequency
2.0GHz–2.2GHz
Peak computing speed
Number of cores
16
Processor core
64-bit superscalar LA464 cores; supporting LoongArch ISA; supporting 128/256-bit vector instructions; 4-issue out-of-order execution; 4 fixed-point units, 2 vector units, and 2 memory access units
High-speed cache
Each core includes a 64KB private L1 instruction cache and a 64KB private L1 data cache. Each core contains 256KB private L2 cache. All processor cores share a 32MB L3 cache.
Memory controller
four 72-bit DDR4-3200 controllers; supporting ECC
High-speed I/O
HyperTransport 3.0 I/O interface (HT0) and 3 coherent interconnect high-speed interfaces (HT1, HT2, and HT3)
Other I/O
1 SPI, 1 UART, 3 I2Cs, and 16 GPIO interfaces
Power management
supporting dynamic shutdown of the clocks of main modules; supporting dynamic frequency scaling in main clock domains; supporting dynamic voltage scaling in main voltage domains
