Bugs in RTL code are problematic, but a bug in an architectural specification can be catastrophic. If the bug remains undetected until post-silicon debugging, the design process essentially starts all ...
A new technical paper titled “WARDen: Specializing Cache Coherence for High-Level Parallel Languages” was published by researchers at Northwestern University and Carnegie Mellon University.
Open Core Protocol (OCP) [1][2] is a common standard for Intellectual Property (IP)core interfaces. OCP facilitates IP core plug-and-play and simplifies reuse by decoupling the cores from the on-chip ...
One of the key challenges in chip multi-processing is to provide a programming model that manages cache coherency in a transparent and efficient way. A large number of applications designed for ...
Write-through: all cache memory writes are written to main memory, even if the data is retained in the cache, such as in the example in Figure 4.11. A cache line can be in two states – valid or ...
The dividing lines between system buses, system intraconnects, and system interconnects are getting more blurry all the time. And that is, oddly enough, going to turn out to be a good thing in the ...
There are two significant issues with today’s I/O interconnects: high speed storage and networking applications need more bandwidth than currently available ...
If multiple devices, such as the CPU and peripherals, access the same cacheable memory region, cache and memory can become incoherent. This is illustrated in Figure 7. Suppose the CPU accesses a ...
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