SCIP 节点选择器中的 std 优先级和 memsave 优先级

std priority and memsave priority in SCIP node selectors

我注意到有两种类型的优先级:memsave priostd priority。什么时候在两者之间切换?是否有可以设置的阈值参数来影响此切换?

是,参数memory/savefac:

# fraction of maximal memory usage resulting in switch to memory saving mode
# [type: real, advanced: FALSE, range: [0,1], default: 0.8]
memory/savefac = 0.8

有关 SCIP 参数的文档,另请参阅 https://scip.zib.de/doc/html/PARAMETERS.php