ls3c5000
ls3c5000
latest 16-core processor for servers in loongson 3 processor family. with “la464” processing core, ls3c5000 is a single die design with 16 cores inside compare to ls3c5000l.
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
2.0-2.2 ghz
peak computing speed
560 gflops
number of cores
16
processor core
64-bit superscalar processor core la464; supporting loongarch® instruction set architecture; 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 processor core contains a 64kb private l1 instruction cache and a 64kb private l1 data cache; each processor core contains a 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
4 hypertransport 3.0 controllers; supporting cache coherent non–uniform memory access (cc-numa)
other i/o
1 spi, 1 uart, 3 i2c, 1 avs, 16 gpio interfaces
power management
supporting dynamic shutdown of clocks of main modules; supporting dynamic frequency scaling in main clock domains; supporting dynamic voltage scaling in main voltage domains.
typical power consumption
150w@2.2ghz
