将晦涩难懂的技术讲的通俗易懂
| 标题 | 阅读 | 评论 | 转发 | 发布日期 | |
|---|---|---|---|---|---|
| GPU Direct相关技术和原理 | 2003 | 0 | 0 | 2024-12-22 | |
| NCCL源码解析2——bootstrap网络初始化 | 1315 | 0 | 0 | 2024-12-15 | |
| NCCL源码解析1——生成ncclUniqueId | 1438 | 0 | 0 | 2024-11-23 | |
| PCIe总线的事物层和链路层 | 370 | 0 | 0 | 2024-11-03 | |
| AllReduce 相关算法 | 1917 | 0 | 0 | 2024-09-22 | |
| RDMA高级特性 | 1383 | 0 | 0 | 2024-09-01 | |
| 大模型训练中的Adam算法和相关优化 | 760 | 0 | 0 | 2024-08-18 | |
| 从Google Falcon看拥塞控制 | 1121 | 0 | 0 | 2024-07-14 | |
| GPUDirect 虚拟化 | 1056 | 0 | 0 | 2024-06-09 | |
| GPU虚拟化技术总结(2024) | 890 | 0 | 0 | 2024-06-09 | |
| RDMA中的load balance技术 | 2068 | 0 | 0 | 2024-05-12 |
吻的感觉适2025-07-18 23:22
https://txc.qq.com/products/762843/blog/2022630
https://txc.qq.com/products/762814/blog/2022624
https://txc.qq.com/products/762833/blog/2022632
https://txc.qq.com/products/762839/blog/2022631
https://txc.qq.com/products/762835/blog/2022633
https://txc.qq.com/products/762845/blog/2022634
https://txc.qq.com/products/762810/blog/2022636
https://txc.qq.com/products/762848/blog/2022637
https://txc.qq.com/products/762843/blog/2022638
https://txc.qq.com/products/762814/blog/2022639
https://txc.qq.com/products/762839/blog/2022640
https://txc.qq.com/products/762833/blog/2022642
https://txc.qq.com/products/762810/blog/2022644
https://txc.qq.com/products/762843/blog/2022645
https://txc.qq.com/products/762814/blog/2022647
https://txc.qq.com/products/762833/blog/2022648
https://txc.qq.com/products/762843/blog/2022650
zf8292024-11-13 13:41
zf829：您好，请教大神一个问题，设备直通给VM时，中断到底会不会导致VM_EXIT吗，如果会，那VIRTIO直通时还会导致IO性能下降吧？“当透传设备产生中断时，vfio_msihandler ISR执行，该函数不做实际的服务程序处理，仅仅通过eventfd_signal激活irqfd_inject，然后最终调用deliver_posted_interrupt向虚机注入中断，中断号即为虚机配置透传设备时的中断号。” 这段描述在代码上我也仔细看了，逻辑肯定是对的，但另一方面我还是不确定中断到底会不会导致VM_EXIT
这里的中断主要是指数据包收发的中断
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