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separate and works independently, and a dedicated graphics memory directly connected to the independent GPU. The standalone graphics system is connected to the PC chipset via the standard PCI-E (formerly AGP) bus. The three-dimensional processing performance of these independent GPU is now far beyond the performance of integrated graphics processors, as is the requirement for memory bandwidth. Benchmark tests show that the performance of independent graphics systems is 3 to 20 times times large
Introduction DDR,DDR2,DDR3 memory is categorized according to the maximum speed at which they can work and their timing. Timing are represented by a series of numbers such as 3-4-4-8,5-5-5-15,7-7-7-21 or 9-9-9-24, the lower the better. In this article, the meanings of these numbers are explained. The memory of DDR,DDR2 and DDR3 complies with the DDRXXX/PCXXX classification specification. The first set of
In March 2003, Intel released the Centrino mobile technology, Intel Centrino Mobile Technology is not the previous processor, chipset, such as a single product form, which represents a complete range of mobile computing solutions, the composition of the Centrino is divided into three parts: Pentium M processor, 855/ The 915 series chipset and the Intel Pro Wireless network, three are indispensable together to form the Centrino mobile technology. Pentium M first revision called Dothan In more t
front-end bus of MHz, and the dual-channel ddr400 bring the PC system to a new stage and meet the needs of the future, there is also a considerable space for upgrading. The edited memory clock speed is the same as the CPU clock speed. It is used to indicate the memory speed and the maximum operating frequency that the memory can reach. The memory clock speed is measured in MHz (MHz. The higher the memory frequency, the faster the memory can reach. The memory clock speed determines the maximum o
The memory clock speed is the same as the CPU clock speed. It is used to indicate the memory speed. It represents the maximum operating frequency that the memory can achieve. The memory clock speed is measured in MHz (MHz. The higher the memory frequency, the faster the memory can reach. The memory clock speed determines the maximum operating frequency of the memory. At present, the mainstream memory frequency rooms are 333mhz and 400mhz DDR memory, a
There are a lot of secrets that are not noticed behind the digital computer model, buy a computer when the business to you to blow the CPU is a few, but do not know, the same frequency behind there are many different types of products, naturally their prices are not the same, the Dell change the core thing is a good proof. My first desktop, Shenzhou new dream 1300H ... CPU is P4 1.3G, can pin is 423, belonging to an early P4 products, in the launch of the one months after the 478-foot P4 squeeze
. The rich built-in system-level modules include DSP logic slices, high-speed transceivers, and PCI express® interface cores, as well as the Virtex series, to provide a higher degree of system-level integration.The Spartan-6 FPGA family uses special technologies for cost and power-sensitive markets such as automotive entertainment, flat panel display, and video surveillance. The new high-performance integrated memory controller supports DDR, DDR2, DDR
Http://blog.chinaunix.net/uid-14214482-id-3220464.html Memory bandwidth Calculation formula: Bandwidth = memory core frequency x memory bus digits x multiplication factor.Let me start with the DDR technology, DDR using clock pulse rise, descent along each pass data, 1 clock signals can be transmitted twice times the SDRAM data, so also known as double rate SDRAM. Its multiplication coefficient is 2. DDR2 still uses the clock pulse to rise, drop the d
We know that memory performance is determined by both memory capacity and memory frequency, and the higher the memory frequency in the same capacity, the better the performance. The current memory frequency is mainly: DDR2 memory frequencies are: 333MHz and 400MHz of DDR memory, 667MHz, 800MHz, and 1066MHz DDR3 memory frequency is mainly: 1066MHz, 1333MHz, 1600MHz DD
Memory (memory), as a staging point for coordination between CPU and storage, has been playing an important role in the system. The hardware domain of a number of overall architecture upgrades, and memory has a great relationship, whether it is SDRAM to DDR, and then from DDR to DDR2, as well as the upcoming DDR3, the essence of the upgrade is to improve memory bandwidth, visible memory for the performance of the system has a vital role. When it come
FB-DIMM memory performanceProcessor, Io, and memory are three key factors that affect the performance of a platform. On a balanced platform, the performance of these three aspects should be matched with each other, and they should not be too prominent or too "lame". This is the central idea of Amdahl's law.In recent years, the rapid development of CPU technology, in addition to the rapid increase in clock speed, also by adding hyper-threading technology, multi-core technology, etc. to improve th
://image.mamicode.com/info/201607/20180921234541453550.jpg "/ >Server CPUNon-X86 server: Expensive, closed system, good stability, for banksX86 server: Inexpensive, good compatibility, poor stability, low security, for PCMotherboardBIOS chipI/O control ICSPanel control Switch InterfaceExpansion slotsPower supply Plug-inMemoryDefinition: Direct addressing of the space, access speed, power loss lost data.Memory bandwidth Calculation formula: bandwidth = Memory Clock frequency x memory bus bits x m
FPGA Image Processing-pip Introduction to the hardware structure and software: FPGA, arria ii gx series chip. Altera Development Board, http://www.altera.com.cn/products/devkits/altera/kit-aiigx-pcie.htmlmy Development Kit information. Two important information: FPGA: EP2AGX125EF35. DDR2: 1G, 64-bit. It runs at 200 MB. The input value is 1080 P, that is, 1920*1080. Each of the 8 bits in RGB format has a total of 24 bits. The clock speed is 148.5 MB. O
supported (of course, on the premise that they can be installed). This includes a few content, for example: 1. Front-End bus bandwidth (FSB). If the cpu fsb is 800 m and the motherboard FSB is only 533 m, the CPU performance will be limited, space is reserved for CPU upgrades. 2. Does the motherboard support dual-core? If the CPU has dual-core, but the motherboard does not support dual-core, the CPU will be wasted. 3. Whether the motherboard supports dual-channel memory. For more information ab
Before buying a computer, we must understand the relevant configuration of the computer, memory, graphics, frequency, etc., but you know what the working frequency of computer memory? The following look at the small series to introduce you to the introduction bar. Memory frequency is the same as CPU frequency, is used to represent the speed of memory, it represents the maximum operating frequency that memory can achieve. The memory frequency is measured in MHz (MHz). The higher the memory frequ
/131.66 NS The L1 latency of the 5 platforms is 3-4 cycles, but due to the different clock bus frequency of the processor, the actual delay time gap is obvious, the shortest 1ns,pentium D and Pentium m of the Dual Xeon platform are 1.33NS,AMD Opteron 265 the longest is 1.67ns. The L2 delay test shows that the test results for the Pentium D 830 platform and the dual Xeon platform are very approximate, while the results of the Pentium M T2600 platform and the AMD Opteron 265 platform are ap
Ddr=doubledatarate Double rate synchronous solid state random processor Strictly speaking, DDR should be called Ddrsdram, people used to call DDR, some beginners also often see ddrsdram, is considered SDRAM. Ddrsdram is the abbreviation of Doubledataratesdram, which is the meaning of double speed synchronous dynamic random memory. DDR memory is developed on the basis of SDRAM memory, still follow the SDRAM production system, so for the memory vendors, only a little improvement of the equipment
DDR3 to seize the class 1.8bit prefetching design, and DDR2 for 4bit prefetching. Compared with the 4bit prefetching mechanism of DDR2 memory, the biggest improvement of DDR3 memory module is the design of 8bit prefetching mechanism, which is concurrent 8-bit data. At the same cell frequency, the data transmission rate of DDR3 is twice times that of DDR2. The f
DDR3 video memory can be seen as an improved version of DDR2, both of which have many similarities, such as the use of 1.8V standard voltage, mainly 144Pin spherical pins FBGA package. However, DDR3 core has improved: DDR3 video memory using 0.11 micron production process, the power consumption is significantly lower than DDR2. In addition, DDR3 video memory using the "Pseudo Open Drain" interface technolog
connected to the VGA output port of the SEED-DVS6446 platform. Vista Linux icon. 4. if u-boot is not required for direct installation from CCS to DDR, the general script file of CMD is as follows: -Lrts32e. Lib -L... \ CSL \ Arm \ Lib \ debug \ csl_davinciarm9.lib -L... \ .. \ Lib \ davincievmbsl. Lib -Stack 0x00000800 -Heap 0x00000800 Memory { Iram: O = 0x00000000 L = 0x00004000 DRAM: O = 0x00008000 L = 0x00004000 Aemif: O = 0x02000000 L = 0x02000000 DDR2
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