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