Cambricon MLU290-M5 Product Manual

Intelligent accelerating card

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Cambricon®

MLU290-M5 Intelligent Accelerating

Card Product Manual

V0.2.0

Preliminary

Table of Contents

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Summary of Contents for Cambricon MLU290-M5

Page 2: Table Of Contents
5.1 Heat dissipation instructions ......................18 5.2 Maximum operating temperature....................18 5.3 Slowdown temperature ........................18 5.4 Shutdown temperature........................18 5.5 Air inlet temperature requirements ....................19 6. Cambricon NeuWare development environment ................20 7. Compliance ..............................21 Copyright © 2020 Cambricon Corporation...
Page 3: Preface
Limitation of liability In no case shall Cambricon be liable for any damage caused by the use or inability to use this Guide (including but not limited to damage such as loss of profits, business disruption and loss of information), even if Cambricon has been advised that such damage may be suffered.
Page 4: Version
Cambricon. Except for the customer's right to use this guide information and products, according to this guide, Cambricon does not grant any other express or implied rights or permits.
Page 5: Overview
MLU290-M5 supports cambricon adaptive precision training and provides up to 512 TOPs INT8 hashrate to align the data accuracy of training and reasoning business. MLU290-M5 provides inter-chip high speed interconnection technology CCLINK, supports cross-system direct connection, which can build large scale training clusters easily.The new vMLU function fully supports SRIOV, which can provide services...
Page 6: Product Specification Overview
Cambricon® 3. Product Specification Overview 3.1 Overview of Product Specification Parameters MLU290-M5 Intelligent Accelerating Card specification parameters are as follows: 1Table 3.1 MLU290-M5 Specification Parameters Specification indicators Note Product model MLU290-M5 Core architecture Cambricon MLUv02 Core frequency 1GHz Integer speed (INT8)
Page 7: Overview Of Structure Specifications
1.5X TDP ≤5ms Electrical data peak processing (EDPp) 1.2X TDP ≤10ms 1.1X TDP ≤20ms 3.4 Overview of heat dissipation specifications MLU290-M5 Intelligent Accelerating Card heat dissipation specifications: 4Table 3.4 MLU290-M5 Heat dissipation Specifications Specification indicators Note MLU maximum operating 95℃...
Page 8: Overview Of Interface Specifications
Cambricon® 3.5 Overview of interface specifications MLU290-M5 Intelligent Accelerating Card interface specifications: 5Table 3.5 MLU290-M5 Interface Specification Interface Note PF (1,64 bit): BAR0：256MB prefetchable BAR2：256MB prefetchable BAR4：256MB prefetchable PCIE Base address VF (4,64 bit): BAR0：256MB prefetchable BAR2：256MB prefetchable BAR4：256MB prefetchable...
Page 9: Electrical Specifications
4. Electrical specifications 4.1 Connector pin description MLU290-M5 Intelligent Accelerating Card using two 688-pin Molex Mirror Mezz snap connectors.The design impedance of the connector is 90Ω±5%, which can be compatible with both 85Ω and 100Ω protocols. The signal and power are connected to the main board through this connector, and the connector pin area is divided as follows: 1Figure 4.1 Connector pin area division...
Page 10 MANF_MODE# Undefined functions 3.3V FW_RECOVERY# Undefined functions 3.3V 1.8V or TEST_MODE# Test mode. NC is acceptable 3.3V Reserved pin 2Table 4.2 MLU290-M5 connector arrangement of pin 1 Direction of Voltage Signal Signal description signal voltage Copyright © 2020 Cambricon Corporation...
Page 11 (such as fan fault) and then restart the device, low level effective Serdes link configuration topology, LINK_CONFIG[4:0] 3.3V MLU290-M5 internal default 10 K pull-up Indication of PCIE interface bit width : MLU290-M5 default 00 00-1 x16( default) 3.3V or...
Page 12: Power Supply Requirements
MLU290-M5. It is recommended to provide a separate HSC for each MLU290-M5. The transient power consumption need to support more than 2 ms within 1.6 *TDP.The block diagram of HSC is as follows: Copyright ©...
Page 13: Signal Description
SOA curve. Infineon IPB017N10N5LF and Nexperia PSMN4R8-100BSE are recommended. 4.2.4 Power on time sequence When MLU290-M5 Intelligent Accelerating Card power on normally with DC 54V voltage,the HOST_PWRGD signal is sent out after the reference clock (156.25MHz) is stable.Detailed timing sequence is as follows: <4s...
Page 14 MLU290-M5 Intelligent Accelerating Card supports PCIE GEN4.0 x16 bit width default.There is no AC coupling capacitor in MLU290-M5. Sending and receiving AC coupling capacitors are placed on the baseboard and the value range is 176nF-265nF (220nF recommended). The placement position...
Page 15 CCLINK can be 50 Gbps PAM4, which is compatible with OAM specifications. SERDE _[3：1]R/T[15:0],SERDE _5R/T[15:8] and SERDE _7R/T[7:0] are not used in MLU290-M5. The 48 pairs of serdes in the table below are used，which are compatible with combine topology. For detailed internal connection topology please refer to the reference topology chapter.
Page 16 0x0 and patch number 0x0. Manufacturing time 0xF4 Display manufacturing time, e.g .0 x2006 means manufactured in June 2020 Serial number 0xF5 Display the serial number of the device, e.g .0 x30001 indicating a serial number of 30001 Copyright © 2020 Cambricon Corporation...
Page 17 It is recommended to trigger fan full speed when the chip temperature of MLU290-M5 is below 93℃, trigger power drop to 1/2 when chip temperature rises to 97℃, trigger power drop to 1/4 when chip temperature rises to 98℃ , trigger power drop to 1/8 when chip temperature rises to 99℃.If the chip temperature rises to 100℃, which means the power reduction...
Page 18 0= Only support PCIE protocol (default) 1= Support other agreements , reserved 4.3.4.5 Reserved signals The following signals are defined in OAM protocol, but not used in MLU290-M5,which are recommended to NC. 12Table 4.12 Reserved signal description Direction of Signal...
Page 20: Heat Dissipation Specifications
When the chip junction temperature of MLU290-M5 reaches 100℃, the THERMTRIP# signal will be triggered and the power supply of MLU290-M5 will be cut off after 1s. After the power is cut off, it is recommended to eliminate the heat dissipation problem manually before restart.
Page 21: Air Inlet Temperature Requirements
Cambricon® 5.5 Air inlet temperature requirements The required environment temperature of MLU290-M5 is 0-45 ℃ . The minimum air volume requirements of radiator under main temperature conditions is shown in the table below: 51Figure 1. Minimum air volume requirement VS Air inlet temperature table for MLU290-M5...
Page 22: Cambricon Neuware Development Environment
NeuWare fully supports various mainstream programming frameworks (e.g. TensorFlow 、Caffe 、 PyTorch and MXNet). Users can easily develop and deploy deep learning applications on cambricon MLU290-M5. At the same time, the NeuWare provides a complete runtime system and driver software to facilitate the rapid integration of the system.
Page 23: Compliance
Cambricon® 7. Compliance MLU290-M5 Intelligent Accelerating Card is compliant with the regulations listed in this chapter. The compliance marks can be found on the labels of each devices. FCC statement This device complies with Part 15 of the FCC Rules.