Examples of coherency protocols for cache memory are listed here. For simplicity, all "miss" Read and Write status transactions which obviously come from...
60 KB (7,289 words) - 08:39, 27 May 2025
The MESI protocol is an invalidate-based cache coherence protocol, and is one of the most common protocols that support write-back caches. It is also known...
20 KB (2,543 words) - 00:12, 4 March 2025
In cache coherency protocol literature, Write-Once was the first MESI protocol defined. It has the optimization of executing write-through on the first...
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as part of a cache coherence protocol. In such a case, a processor changes a memory location and then invalidates the cached values of that memory location...
3 KB (433 words) - 19:19, 7 December 2023
cache coherency protocol that encompasses all of the possible states commonly used in other protocols. In addition to the four common MESI protocol states...
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Advanced Microcontroller Bus Architecture (redirect from AMBA (bus protocol))
protocol enables one-way coherency, also known as I/O coherency; for example, a network interface that can read from the caches of a fully coherent ACE...
10 KB (1,311 words) - 13:29, 13 October 2024
MESIF protocol is a cache coherency and memory coherence protocol developed by Intel for cache coherent non-uniform memory architectures. The protocol consists...
6 KB (885 words) - 18:22, 26 February 2025
Firefly cache coherence protocol is the schema used in the DEC Firefly multiprocessor workstation, developed by DEC Systems Research Center. This protocol is...
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Arteris (category Companies listed on the Nasdaq)
over 3.75 billion units as of Q1-2025. The company offers a non-coherent smart NoC IP called FlexGen and a cache coherent interconnect IP product called...
27 KB (2,200 words) - 20:33, 10 July 2025
directory-based cache coherence model. (The other popular models for cache coherency are based on system-wide eavesdropping (snooping) of memory transactions...
14 KB (1,834 words) - 04:54, 31 July 2024
Intel QuickPath Interconnect (category CS1 maint: numeric names: authors list)
behind QPI, at least as far as cache coherency is concerned.: 10 Being a synchronous circuit the QPI operates at a clock rate of 2.4 GHz, 2.93 GHz, 3.2 GHz...
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frequently accessed items (instructions / operands). cache coherency The process of keeping data in multiple caches synchronised in a multiprocessor shared memory...
39 KB (4,596 words) - 21:01, 1 February 2025
in Automatic Generation of Executable Test Suites for a Cache Coherency Protocol", Proc. International Workshop on Testing of Communicating Systems (IWTCS'98)...
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Pentium Pro (section Caching)
split-transaction iAPX 432 bus to include a cache coherency protocol, ending up with a feature set highly reminiscent of Futurebus' ambitions. The Pentium Pro...
35 KB (4,272 words) - 23:58, 8 July 2025
Express interfaces. To keep cache coherency traffic between the two sockets from appearing on the second bus. To keep cache coherency traffic between the two...
31 KB (1,437 words) - 08:46, 27 May 2025
Multi-core network packet steering (category Cache (computing))
the same core i. This reduces the inter-core communication and cache coherency protocols overheads, resulting in better performances in heavy load environments...
17 KB (1,701 words) - 21:13, 16 July 2025
socket system. Other changes include the support of PCIe version 3.0 and a new cache coherence protocol. This chart shows some differences between the T5...
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DEC Firefly (category CS1 maint: multiple names: authors list)
The cache from each of the microprocessors kept a consistent view of the same main memory using a cache coherency algorithm, the Firefly protocol. The...
9 KB (1,049 words) - 00:28, 16 June 2024
PowerPC G4 (section Device list)
support for symmetric multiprocessing (SMP) thanks to an improved cache coherency protocol (MERSI) and a 64-bit floating point unit (FPU), derived in part...
17 KB (1,904 words) - 14:35, 6 June 2025
buffer; and concurrent line-buffer caching. This also support write-buffer memory update protocol and maintains cache coherency during bus snooping. Paired with...
132 KB (6,033 words) - 16:57, 12 July 2025
AMD APU (category CS1 maint: numeric names: authors list)
Manager) is a component of the Linux kernel. Support in this table refers to the most current version. AMD APUs have CPU modules, cache, and a discrete-class...
51 KB (4,761 words) - 15:34, 4 June 2025
(1 segment per block of 4 CPU cores), each of 1 MB with 32-way associative. Cache uses directory-based cache coherency protocol. FT-1500 also has: Links...
10 KB (799 words) - 10:15, 30 December 2024
The CAPP and PSL units acts like a cache directory so the attached device and the CPU can share the same coherent memory space, and the accelerator becomes...
12 KB (1,376 words) - 06:40, 26 January 2025
GB100 dies are able to act like a large monolithic piece of silicon with full cache coherency between both dies. The dual die package totals 208 billion...
26 KB (1,721 words) - 21:34, 10 July 2025
WIMG (computing) (section Cache-Inhibited Access (I))
a Cache-Inhibited Access. When set to 0 indicates access to address that is cacheable. External caches such as look-aside and directory protocols use...
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grew out of the cores previously produced by Falanx and currently constitute: Some microarchitectures (or just some chips?) support cache coherency for the...
80 KB (4,684 words) - 02:19, 20 June 2025
I486 (section Other makers of 486-like CPUs)
off-chip cache (not officially a level 2 cache because i386 had no internal level 1 cache). An enhanced external bus protocol to enable cache coherency and...
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PGP, the ZRTP protocol, and Zfone Mark Zuckerberg – created Facebook List of computer scientists List of computer magazines and List of computer science...
49 KB (4,266 words) - 05:11, 13 July 2025
plot, which can be strung together to form a coherent paragraph. The episode titles of the first nine of the second season follow the same anagram formula...
250 KB (7,045 words) - 02:08, 17 July 2025
Listener (FAL) is an implementation of the Data Access Protocol (DAP) which is part of the DECnet suite of network protocols created by Digital Equipment Corporation...
53 KB (4,980 words) - 18:14, 20 June 2025