A gpu mode switching stability test method, system, terminal and storage medium

Abstract

The present invention provides a GPU mode switching stability testing method, system, terminal and storage medium. The method includes: setting a GPU bandwidth benchmark at a deceleration rate and a bandwidth benchmark at a maximum rate; by setting a PCIE error register to zero Reduce the sensitivity of the CPU side to PCIE errors; limit the GPU-PCIE link rate to the speed-down rate by setting the limit rate of the cpu register; press the GPU and compare the GPU press bandwidth with the bandwidth benchmark at the corresponding rate , if the two are inconsistent, the output test fails; cancel the rate setting of the cpu register and perform periodic pressure on the GPU, and compare the bandwidth of the GPU during the periodic pressure process with the corresponding benchmark bandwidth. Output test failed. The invention can switch the PCIE rate in an active and passive manner to perform a GPU compatibility stability test method. Improve the test coverage of GPU and machine compatibility. It provides a verification method for small probability events and ensures product quality assurance.

Description

technical field [0001] The invention relates to the technical field of server testing, in particular to a GPU mode switching stability testing method, system, terminal and storage medium. Background technique [0002] GPU (Graphics Processing Unit) - Graphics processor, also known as visual processor, is a microprocessor that specializes in image and graphics-related operations. GPU reduces the dependence of graphics card on CPU during 3D graphics processing, and shares the Part of the original CPU work. With the advent of Internet 2.0, each user of various video graphics dissemination APPs (Weibo, WeChat, Douyin, Volcano Video, etc.) is an author, and various graphic video DIY needs a lot of image processing. Therefore, in recent years, the utilization and development of GPU has become more extensive. The stable operation of the GPUs of various APP manufacturers is related to the customer satisfaction of APP users. Stability testing for GPUs becomes extremely important. ...

AI Technical Summary

Problems solved by technology

[0004] However, in the development process of the commonly used GPU BOX, due to the matching retimer card (its function is to correct the signal during long-distance transmission, etc.), the VDD18 power supply has a voltage jump of 20-30mV when the rate is switched, and the Speed ​​is performed on the corresponding PCIe link. During the change process, a PCIE error will be reported probabilistically, causing the system to crash and restart

Therefore, it is very difficult to realize the stability test under the scenario of frequent rate switching

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