Device memory on a traditional reflective memory card can not be cached and access to it is very expensive as the cpu needs to fetch the data from the card through the io system. The 5565 family of reflective memory referred to as rfm. January 12, 2011 ge intelligent platforms announced the pcie5565piorc low profile pci express reflective memory node card, further extending the companys rfm 5565 family of reflective memory solutions and taking advantage of ges extensive experience in the technology. Each reflective memory board may be configured with 256 kbyte to 1 mbyte of onboard sdram. Supports variety of sharp reflective memory displays, ranging from 14. It contains an integrated sata or eide hard disk or compactflash. Pci express reflective memory pci express high speed networks. Reflective memory is a means to share common data between different and independent. The reflective memory analyzer is a powerful analytic tool for our industryleading 5565 reflective. The example is written for a single pxi chassis with two reflective memory modules. Reflective memory introduces almost no network latency, so it is well suited to applications such as simulation, process automation and test and measurement. Pcibased reflective memory pcirms is a high performance multiprocessor distributed memory system that sets a new standard in the reflective memory family of technologies. You can call various functions in the access library that invoke routines in the driver to perform pcirms activity.
This highlyrelfiective plus transmissive memory lcd has 18% reflectivity, 0. Application specific code built in reflective memory shell. Memory interface generates unencrypted verilog or vhdl design files, ucf constraints, simulation files and implementation script files to simplify the design process. Switches can be cascaded if you need to build larger systems. You can build a 2 node system without the switch and use the regular data unicast data only written to single remote memory location, no local updates. Memorysupport logic can be used to enhance bandwidth by addressing timing issues like jitter, propagation delayskew and. Our memory is the storehouse of past events, previously learned information, acquired skills and other enduring memories that become available to us throughout our. Presents cremes corbacompliant reflective memory based service, a corbacompliant design and implementation of a new realtime rt communication service. Dolphin express ix reflective memory multicast dolphin ics. Idea n a library to build applications from in order to provide a flexible interface to our cards. Highspeed data handling using reflective memory thread. Vmivme5576 reflective memory board instruction manual. Reflective memory, on the other hand, is designed specifically to enable the sharing of data among processors in real time by missioncritical applications. Reflective memory is a means to share common data between different and independent systems deterministically.
Towards effective and compressionfriendly test of memory interface logic conference paper in ieee international test conference tc november 2010 with 11 reads how we measure reads. At the heart of the cc11 design is a highbandwidth 667mhz bus connecting the. Speedgoat sharedreflective memory protocols support for simulink. Two or more vmiclb5565s and the other members of the reflective memory family can be integrated into a network using standard fiberoptic cables. Plug reflective memory into any available backplane slot or bus via vme, pci, pcie. Such as harris nighthawk, concurrent, silicon graphics, data general, motorola delta series, encore 91 series or any vmebus. Such systems using a common reflective memory form a reflective memory network which is a deterministic one, when any system of the network acquired data and writes it to its local memory, such data is written locally to all other systems, this behaviour is like a dualported memory. As a processor writes to memory, the location and content are propagated around a network to the same addressable location in all other network. Memory interface is a free software tool used to generate memory controllers and interfaces for xilinx fpgas. Sharp memory in pixel displays sharp microelectronics of. Soft and hard memory ip alteras latest devices, the 28nm fpgas pr ovide two types of memory solutions. Solutions using main memory benefit from cpu caching and the very high performance internal memory bus.
Shared memory technology, also called reflective or replicated memory, is the most efficient way to transfer data in realtime with low latency across two or more target machines or thirdparty nodes. Vmivme5565 ultrahighspeed fiberoptic reflective memory with interrupts 16 figure 2 typical reflective memory network node 2 vmebus computer nodes can be vmebusbased computers or computers with vmebus io channels. Reflective memory, and in particular, reflective memory in vme chassis has been the. The basis of reflective memory operation is its ability to autonomously replicate the contents of one processors memory to the memory nodes of all other network members. Design for an efficient architecture for a reflective memory system. The embedded pixel memory stores graphic data so no continuous refresh is required for a still image.
Network interrupts are ideal for sending lowlatency command or event information. Reflective memory system rms is one of the well known solutions to solve. November 2012 altera corporation external memory interface handbook volume 1. To use the reflective memory interface, you need to have an available pci or pci express slot for each card that will be installed. This paper proposes a novel reflective memorybased architecture to resolve problems mentioned above, and the rest of this paper is organized as follows. The company you are referring to make boards for vme systems not memory chips.
Reflective memory n each system processor includes a dualported local physical memory. The reflective memory network approach 7 can facilitate integration of the interface hardware with the simulator. Ideals 4th generation digital motion controller was introduced to the market in 2006. The vme5565 reflective memory node card provides a highspeed, low latency, deterministic interface that allows data to be shared between up to 256 independent systems nodes at rates up to 170 mbytes. The network interface supports rapid automatically updated reflective memory. The memory lcd requires just 140 180 of an stnlcds power consumption and 1 of an amtft lcds power consumption. Excellent reflective display performance without the need to add a backlight. The external memory interface spec estimator, a parametric tool, allows you to find and compare the performance of the supported external memory interfaces in our fpgas.
Pci5576 reflective memory interface allows data to be shared between up to 256 independent systems nodes at rates up to 6. Highspeed data handling using reflective memory thread for. Pci express pcie reflective memory rfm node interface card that allows up to 256 independent systems nodes to share data at rates up to 170 mbs. Using shared memory to synchronize target machines. Throughout the course of my psychology class this semester, we touched on the bases of a lot of different subjects.
Realtime channelbased reflective memory article pdf available in ieee transactions on computers 4911. Compro computers services reflective memory system rms. The components that were combined include a pci interface. Each reflective memory board may be configured with 64 mbyte to 256 mbyte of onboard. A general purpose reflective memory board for accelerator data. Speedgoat sharedreflective memory protocols support for. Reflective memory ram the actual onboard reflective memory sd ram is available as 64mb. Integrate diverse systems into a single, shared memory network. Speedgoat offers support for shared memory for high speed data transfer between realtime target machines or thirdparty nodes. The local sdram provides fast read access times to stored data. In contrast, the only data from memory to the processor is the output data. Dynamic engineering carriers support 6432 to 16 conversion in hw allowing for 6432 bit accesses on the pciepci bus and 6432 bit memory models.
Compro computers services pci reflective memory pcirms. Page 6 dolphin express ix reflective memory reading data from reflective memory to read data received from other nodes, the application needs to use the read address, this points to the allocated segment in local main memory. Specifically, data writes are stored in local sdram and sent over the fiberoptic cable to the other nodes on the network. This section provides information on how to synchronize two or more realtime target machines from speedgoat using sharedreflective memory on io907 io modules, and interrupts. Gec, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. The reflective memory functionality is implemented in the dolphin pci express ix switches. The access library provides an application interface to the driver, acting as a bridge between the kernelbased driver and your application. Reflective memory hardware requirements cimplicity. Reflective memory computer network random access memory. These functions include rfm operation status, detailed control of the rfm sources for the vmebus interrupt, and network interrupt access. A survey on reflective memory systems semantic scholar. The ge fanuc vmic pci5565 reflective memory interface allows data to be shared between up to 256 independent systems nodes at rates up to 174 mbytes. Youll have the ability to filter down to specific performances based on your search specifications, and then compare performances across fpgas sidebyside by filtering the.
With reflective memory, a single link can send data to the main computer in the control room, eliminating hundreds of discrete wires spanning the 3,000 meters. Memory interfaces 3 as a result, memory intensive systems like servers, workstations, and equipment for networking, telecom, and industrial applications have been able to offer increasing levels of bandwidth. The first target machine works as a master, and gives the timing to the other machines, using a network interrupt. The dolphin ixh adapter comes with a x8 pci express link enabling customer applications to take advantage of the exceptional 40gbs link bandwidth.
Using a reflective memory network requires only a few simple steps. Sci reflective memory n sci reflective memory is a software reflective memory solution based on dolphins adapter cards and software. The following cards are supported for use in the pc. The external memory interface spec estimator replaces the maximum clock rate tables in the selecting device, memory components, and ip pdf section in volume 1 of the external memory interfaces handbook. Altera memory solution overview and design flow these mpfe blocks are critical to the design and the use of the memory interface block. In place of the dual ethernet ports an audio interface can be available based on an order option. Io907 usage notes io907 shared memory communication. Datasheet aero 4000 precision motion controller the aero 4000 controller is the most advanced and capable digital servo controller on the market today. All of them were interesting, but the one that i thought meant the most to me and my life was the chapter on memory. The demonstrator of a reflective memory board for accelerator data acquisition and control system applications is presented. Hardware requirements to use reflective memory board. A reflective memory based framework for crowd network. The bus interrupter module bim which controls the interrupt generation on the reflective memory board is initialized to mask all interrupts upon.
Pci express reflective memory pci express high speed. Systemss family of reflective memory, realtime fiberoptic network products. Ultrahigh speed fiberoptic reflective memory with interrupts, vmivme5565 datasheet, vmivme5565 circuit, vmivme5565 data sheet. There are two interrupts modes available on reflective memory nodes. The cc11 supports up to four gigabit ethernets, up to 2 gbyte of ddr2 sdram and vgasdvo.
In a word, crowd network simulation is a new development of large scale simulations, which faces both opportunities and challenges. Memory interfaces 3 as a result, memoryintensive systems like servers, workstations, and equipment for networking, telecom, and industrial applications have been able to offer increasing levels of bandwidth. Reflective memory rfm control and status registers the rfm control and status registers implement the functions unique to the vmixxx5565 reflective memory board. Altera provides modular memory solutions that allow you to customize your memory interface design to any of the following. Sending commands over reflective memory modules using network. Towards effective and compressionfriendly test of memory.
Amxbus, bitmodule, cosmodule, dmabus, instant opc wizard logo. If a local reflective memory update is needed, application programmers need to copy the sent data to the local. The cremes architecture is based on midarts rtcrm realtime channelbased reflective memory, which supports the separation of qos specification between data producers and consumers and employs. Ge announces pcie5565piorc reflective memory node card. Each board in the network is referred to as a node. Reflective memory speeds shared access applications. A reflective memory network card seamlessly integrates and updates to the existing ring or hub by propagating the changes to its memory across to the other nodes on the network. Please consult the sisci api reference manual for more details. This section provides information on how to synchronize two or more realtime target machines from speedgoat using shared reflective memory on io907 io modules, and interrupts. The split link configuration adds an independent reflective memory link to an existing vmivme9150 system. It offers the user the choice between a dvi interface or a com2 port on the front. Vmic vmipci5576 fiberoptic reflective memory card with interrupts pci bus simple type.
The main building blocks of the reflective memory board are. Sending commands over reflective memory modules using. This example provides an example of network interrupt command communication over a reflective memory network. A bus repeater connects the cpu backplane of one computer to the. Each reflective memory board can be configured with either 64 mbyte or 128 mbyte of onboard sdram. A general purpose reflective memory board for accelerator. Memory support logic can be used to enhance bandwidth by addressing timing issues like jitter, propagation delayskew and. A modern alternative to reflective memory and vme united. Vme reflective memory has nothing to do with your problem unless you wish to implement a very pin hungry vme interface on your mcu. The scalable core software in measuring data acquisition iba. About ge intelligent platforms ge intelligent platforms is an experienced highperformance technology company and a global provider of software, hardware, services, and expertise in. Each reflective memory board may be configured with 64 mbyte to 256 mbyte of onboard sdram.
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