sergiom
2020-11-30 04:03:31
过滤器将作为CALCULATE执行的最后一步。当使用多个过滤器时，将对其执行“与”运算。生成的过滤器是现有过滤器的交集。
例如表达式
CALCULATE (
COUNTROWS ( Sales ),
Product[Color] = "Red",
Product[Brand] = "Contoso",
Customer[Continent] = "Asia"
)
将计算表中Sales与之相关的行数，这些行的Products颜色=红色AND品牌= Contoso并出售给居住在亚洲的客户。
为了更好地了解什么是过滤器表，我们必须记住，每个过滤器参数都由DAX扩展为其等效的FILTER表达式，如下所示：
CALCULATE (
COUNTROWS ( Sales ),
FILTER (
ALL ( Product[Color] ),
Product[Color] = "Red"
),
FILTER (
ALL ( Product[Brand] ),
Product[Brand] = "Contoso"
),
FILTER (
ALL ( Customer[Continent] ),
Customer[Continent] = "Asia"
)
)
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Mamba is a new state space model architecture showing promising performance on information-dense data such as language modeling, where previous subquadratic models fall short of Transformers. It is based on the line of progress on structured state space models, with an efficient hardware-aware design and implementation in the spirit of FlashAttention.
(翻译：Mamba 是一种新的状态空间模型架构，在信息密集型数据（例如语言建模）上显示出良好的性能，而之前的二次模型在 Transformers 方面存在不足。它基于结构化状态空间模型的进展，并本着FlashAttention的精神进行高效的硬件感知设计和实现。)