手动编译develop branch的hipBLASLt之后9070XT的llama.cpp性能表现正常一些了。prefill性能反杀Navi31将近40%，decode性能差距也远小于显存带宽差距。
后面也许可以利用RDNA4的load-transpose之类的新指令进一步做一些优化。可惜游戏卡显存容量还是太小，干不了什么大事。
BY David's random thoughts
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