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Intel Xeon Phi 31S1P - BC31S1P information

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Type:FPU Manufacturer:Intel
family:Xeon Phi microprocessors:Xeon Phi 3100 series
Type Floating Point Unit / Co-processor
Market segment Server
Family Intel Xeon Phi 3100 series
Model number    31S1P
COP part number
  • BC31S1P is an OEM/tray co-processor
Frequency    1100 MHz
Package Card with PCI Express x16 connector
Socket PCI Express x16
Size 9.69" x 4.38" x 4.38" / 24.61cm x 11.12cm x 3.86cm
Weight 2lb 10.3oz / 1200g
Introduction date 2nd quarter 2013
Price at introduction $1695
 
Architecture / Microarchitecture
Microarchitecture Many Integrated Cores
Processor core    Knights Corner
Manufacturing process 0.022 micron
Data width 64 bit
The number of cores 57
The number of threads 228
Floating Point Unit Integrated
Level 1 cache size    57 x 32 KB 8-way associative instruction caches
57 x 32 KB 8-way associative data caches
Level 2 cache size    57 x 512 KB 8-way associative inclusive caches
Cache latency 1 (L1 cache)
11 (L2 cache)
Multiprocessing Up to 8 co-processors
Features
  • Vector SIMD instructions
  • FMA3 / 3-operand Fused Multiply-Add instructions
  • NX / XD / Execute disable bit   
Low power features
  • Core C1 and C6 states
  • Package Auto-C3, Deeper-C3 and C6 states
  • Demand Based Scaling
 
Integrated peripherals / components
Memory controller
  • The number of controllers: 8
    Memory channels per controller: 2
    Channel width (bits): 32
    Supported memory: GDDR5
    ECC supported: Yes
Other peripherals
  • 8-channel DMA controller
  • PCI Express 2.0 interface
 
Electrical / Thermal parameters
Minimum/Maximum operating temperature    5°C - 95°C (case)
Thermal Design Power    300 Watt
 
Notes on Intel Xeon Phi 31S1P
  • According to product datasheet, the card has 270 Watt TDP
  • The co-processor does not support MMX, SSEx and AVX instructions
  • The co-processor includes 8 GB of on-board GDDR5 memory
  • The card is passively cooled


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