User's Manual
Table Of Contents
Cambricon Technologies, MLU270-S Series Intelligent Processing Card User Manual
2. Product Specifications
2.1 Performance specifications
Table 1 MLU270-S Series Intelligent Processing Card Hardware Specifications
Card Type
MLU270-S4/V4/D4/S4K/V4K/D4K
Processor Architecture
Cambricon MLUv02
Core Clock
MLU270-S4/V4/D4:1 GHz,
MLU270-S4K/V4K/D4K:1.2 GHz
Peak INT8
MLU270-D4/D4K 64TOPS(Dense),
MLU270-S4/V4 128TOPS (Dense),
MLU270-S4K/V4K 160TOPS(Dense)
Calculation accuracy
INT16, INT8, INT4, FP32, FP16
Video Decoding Support
Yes
Total Memory Size
16GB
Memory Bus Width
256-bit
Memory Bandwidth
102.4 GB/s
System Interfaces
PCI Express Gen3, x16, Supporting Lane Reversal
PCIe ID
PCIe Vendor ID 0xCABC
PCIe Device ID 0x0270
PCIe Sub-Vendor ID 0xCABC
PCIe Sub-System ID 0x0012
Outline
68.9mm * 167.5mm, Single Slot
TDP
70W
ECC Supporting
Yes
Heat Dissipation
Passive
2.2 Software specifications
Table 2 MLU270-S Series Intelligent Processing Card Software Specifications
PCIe Base address
PF (1,64bit):
BAR0: 256MB prefetchable
BAR2: 64 MB prefetchable
BAR4: 64 MB prefetchable
VF(4,64bit):
BAR0: 256MB prefetchable
BAR2: 64 MB prefetchable
BAR4: 64 MB prefetchable
SMBus(8bit Address)
0x8E(Write) 0x8F(Read)
SMBUS Register is 32-bit wide, and below describes how to read a register(S:Slave,M:Master):