ggml-cuda: flush legacy pool on OOM and retry (#22155)
* ggml-cuda: flush legacy pool on OOM and retry
Signed-off-by: 梁厚宏 <2695316095@qq.com>
* Address review comments: add explicit sync, update destructor, clean up MUSA macros
Signed-off-by: 梁厚宏 <2695316095@qq.com>
---------
Signed-off-by: 梁厚宏 <2695316095@qq.com>