Which manufacturers' GPUs support Spark?

supported by spark(https://spark.apache.org/docs/3.2.1/configuration.html#custom-resource-scheduling-and-configuration-overview). So, Can Spark also support GPUs from other manufacturers? such as AMD. Looking forward to your reply. 15927907...@163.com

Execution efficiency slows down as the number of CPU cores increases

they are all consistent. Or why is the execution efficiency almost unchanged after the number of cores increases to a certain number. Looking forward to your reply. 15927907...@163.com