What is non-temporal data?
Some algorithms have data uses where we know that the accessed data cannot be reused before it gets evicted from the cache. Such data is said to be non-temporal.
What is non-temporal write?
Non-temporal in this context means the data will not be reused soon, so there is no reason to cache it. These non-temporal write operations do not read a cache line and then modify it; instead, the new content is directly written to memory.
What is instruction prefetch in computer architecture?
In computer architecture, prefetching refers to the retrieving and storing of data into the buffer memory (cache) before the processor requires the data. When the processor wants to process the data, it is readily available and can be processed within a very short period of time.
How many types of temporal data are there?
Use temporal data types to store date, time, and time-interval information. Although you can store this data in character strings, it is better to use temporal types for consistency and validation.
What does non-temporal mean?
Definition of nontemporal : not temporal especially : independent of or unaffected by time nontemporal existence God defined as a nontemporal entity.
What is non-temporal media?
Non-temporal media is the type of media that remains constant and does not rely on time. These remain the same as the time passes by.
Why is prefetch used?
The goal of prefetching is to make data available in the cache before the data consumer places its request, thereby masking the latency of the slower data source below the cache.
What is the difference between cache and prefetch?
As nouns the difference between cache and prefetch is that cache is a store of things that may be required in the future, which can be retrieved rapidly, protected or hidden in some way while prefetch is the operation of loading data or instructions in anticipation of their need.
What are the five temporal data types?
Temporal data types
| Type | Disk usage |
|---|---|
| interval (alias timespan) | 12 bytes |
| numeric(6,0) | 4 bytes |
| numeric(8,0) | 4 bytes |
| numeric(14,0) numeric(15,1) numeric(16,2) numeric(17,3) numeric(18,4) numeric(19,5) numeric(20,6) | 16 bytes |