... /dev/parport0 IRQ 12 I/O Ports 0x3bc to 0x3be Chapter 2: The VMware Virtual Machine LPT2: /dev/lp1, /dev/parport1 0x378 to 0x37f Similar to serial ports, you can redirect the output of a parallel port ... networking support), and if you’re running a Linux kernel version less than 2.4.0, the configuration script also asks you about parallel port support This is for bidirectional parallel port support only ... and port assignments are as follows: Interface IRQ I/O Ports Primary 14 0x01f0 to 0x01f7, 0x03f6 Secondary 15 0x0170 to 0x0177, 0x0376 Like all IDE interfaces, each of these ports can support...
Ngày tải lên: 26/10/2014, 21:36
... manage port rights and control message reception port_ allocate(task, port) Allocate a new port port_deallocate(task, port) Deallocate the task’s rights to this port port_enable(task, port) Add ... this port to the task’s default group of ports for msg_receive port_ disable(task, port) Remove this port from the task’s default group of ports for msg_receive port_ messages(task, ports, ports_count) ... will receive a port death message for the pager request port It can then release its data structures and resources for this file void port_ death(request _port) port_ t request _port; { port_ t memory_object;...
Ngày tải lên: 12/09/2012, 15:05
Expanding Memory and I-O
... to one of the spaces obtained by equally dividing the CPU memory space by the memory capacity Since the CPU memory space is 16Mbytes and the EPROM capacity is 512kbytes, the CPU memory space is ... output ports • The default values of output ports vary and the output state is not fixed even after the CPU is reset • Instead, they are set by a program • The CS7 signal is not output by default ... H'FFFFFF of area are all used for expanded I/O ports excluding those for the internal RAM and I/O They are used as input ports for reading and output ports for writing As for parts that have overlapping...
Ngày tải lên: 29/09/2013, 11:20
Brain Games Memory and Deduction
... flash.net.URLRequest class is needed to load the sounds from external files: package { import import import import import import import flash.display.*; flash.events.*; flash.text.*; flash.utils.Timer; flash.media.Sound; ... imported— the first to display and control movie clips, the second to react to mouse clicks, and the last to create text fields: package { import flash.display.*; import flash.events.*; import ... a common mistake By default, the selectable property is true, which means the cursor turns to an editing cursor when the player mouses over it They can select text; but more important, they cannot...
Ngày tải lên: 29/09/2013, 19:20
Tài liệu Module 9: Memory and Resource Management ppt
... non-memory resources by using a destructor’s finalize code ! Explicitly manage non-memory resources by using client-controlled deterministic release of resources ! Write code by using the temporary ... non-memory resources by using a destructor’s finalize code ! Explicitly manage non-memory resources by using client-controlled deterministic release of resources ! Write code by using the temporary ... objects Compacts the heap by moving reachable objects By moving reachable objects down in the heap, garbage collection reclaims the space in the heap that was used by unreachable objects Updates...
Ngày tải lên: 17/01/2014, 08:20
Tài liệu Practical mod_perl-CHAPTER 10:Improving Performance with Shared Memory and Proper Forking pdf
... report for the total memory usage We then stop Apache and look at the total memory usage for a second time We check that the system memory usage report indicates that the total memory used by ... comparison process harder Now open two browser windows and issue requests for this script in each window, so that you get different PIDs reported in the two windows and so that each process has processed ... Unshared 712704 (bytes) Let’s put the two results into one table: Preloading Size Shared Unshared Yes 4710400 3997696 712704 (bytes) No 4706304 2134016 2572288 (bytes) ...
Ngày tải lên: 26/01/2014, 07:20
Tài liệu Báo cáo khoa học: "ANAPHORA RESOLUTION: SHORT-TERM MEMORY AND FOCUSING" pptx
... differ between themselves, ~ ( ) ° 2.6 ~ , 0.01 MSe - 87 by subjects, and ~(35) = 2.14 ; , 0.02, MSe = 114 by items These resul~s support the n o t i o n s that i ~ e m s in f o c u s are m o ... schema of the procedure is shown in Table The words surrounded by stars a~e the test words 224 exemplified respectively a , 5b, a n d 50 by focus and that f o c u s is r e a l i z e d i n t o the ... e c SOAs t h a n in the before SOA ~(35) - -4.1 R ~ 0.001 MSe - 24 by s u b j e c t s , and ~(35) - -2.9, , 0.008 MSe - 31 by items T h i s is s h o w n in F i g u r e D~i~ There were 36 experimental...
Ngày tải lên: 21/02/2014, 20:20
Báo cáo khoa học: "Towards a Unified Approach to Memory- and Statistical-Based Machine Translation" pdf
... produced by a greedy decoder that use both TMEM and gloss seeds; the translations produced by a greedy decoder that uses only the statistical model and the gloss seed; and translations produced by ... translation memory because the French word “syndicat” is generated by the word “union”, which does not occur in the English phrase “no one” By extracting all tuples of the form from the training corpus, ... if the TMEM contains the pairs well , ; bien en- g As discussed by Germann et al (2001), the word-for-word gloss is constructed by aligning each French word f with its most likely English translation...
Ngày tải lên: 17/03/2014, 07:20
Adaptive Techniques for Dynamic Processor Optimization Theory and Practice by Alice Wang and Samuel Naffziger_2 doc
... variation represents a further opportunity to reduce power The transistors in the faster paths can be substituted with transistors with lower leakage One way to this is by selective use of transistors ... bias to all transistors [6] (© 2005 IEEE) The need for a substrate pump has been avoided by some designers by raising Vss rather than having Vbn negative [1] This type of scheme has the added benefit ... Practical Considerations The ability of a technology to support state-of-the-art integrated circuits and systems is conventionally judged by its leakage versus “on” current Figure 1.14 shows such...
Ngày tải lên: 21/06/2014, 22:20
Adaptive Techniques for Dynamic Processor Optimization Theory and Practice by Alice Wang and Samuel Naffziger_3 doc
... electrical field is rising in proportion to k resulting now in almost constant circuit power despite scaling, increased power density by k2, and power-delay product improvement by a factor of k only In ... leakage decreases by 6.8× The combination of AVS with ABB renders a leakage reduction of 34.6× Forward body biasing by 0.4V at VDD=1.2V, 0.9V, or 0.6V increases the leakage current by 7.4×, 10.2×, ... that the wells were forward biased for at most 0.4V and reverse biased by 1V (GP) or 1.2V (LP) Forward biasing is constrained by the turn-on voltage of the transistors’ body–source junction diode...
Ngày tải lên: 21/06/2014, 22:20
Adaptive Techniques for Dynamic Processor Optimization Theory and Practice by Alice Wang and Samuel Naffziger_4 pptx
... given by ∑ P ( f ( n)) r i i i n n under the dashed line as defined by trapezoid ABCD in Figure 3.3b over area under the solid curve as depicted by hatched area The average waste is calculated by ... case with no FBB, thereby, enabling further overall power savings Combined AVS+ABB for a “fast” corner sample can lower VDD by about 219mV, which reduces switching energy by about 33.3% However, ... maintain circuit speed (i.e., Tpd=Tpd’), ΔVTH should be reduced by 27% It is very difficult, however, to lower ΔVTH by this much by means of process and device refinement In this section, circuit...
Ngày tải lên: 21/06/2014, 22:20
Adaptive Techniques for Dynamic Processor Optimization Theory and Practice by Alice Wang and Samuel Naffziger_6 pdf
... determined by the worst-case voltage during the droop, the adaptive processor can detect the droop and dynamically respond by lowering frequency The maximum frequency can then by increased by 32% ... local VCC will be tracked by the body voltage, maintaining a constant 450mV of FBB Translation of the reference is accomplished through the use of a current mirror followed by a voltage buffer to ... demand by the processor (Figure 4.17) In this case, a sudden increase in current demand causes a voltage droop to occur, after which the voltage settles to a lower voltage determined by the IR...
Ngày tải lên: 21/06/2014, 22:20
Adaptive Techniques for Dynamic Processor Optimization Theory and Practice by Alice Wang and Samuel Naffziger_7 potx
... converter is a good solution for low-power on-chip applications VO ÷ Φ 1by3 Φ 2by3 enW2 enW4 SWITCH MATRIX Cload IO VO Vref Φ 1by3 Φ2 Φ 2by3 clk4X AUTOMATIC FREQUENCY SCALER clk Figure 5.14 Architecture ... load voltages An increase in efficiency of close to 5% can be achieved by using divide -by- 3 switching 95 Measured - divby3 switching Measured - normal switching Theoretical 90 Efficiency (%) ... dithering (LVD) [20] improves on existing voltage dithering systems by taking advantage of faster changes in workload and by allowing each block to optimize based on its own workload While dithering...
Ngày tải lên: 21/06/2014, 22:20
Adaptive Techniques for Dynamic Processor Optimization Theory and Practice by Alice Wang and Samuel Naffziger_9 pot
... micro-architecture The XScale circuits, micro-architectural and architectural level supports for DVS have been described Supporting DVS requires that the software running on the processor be able to predict ... architectural support for not only dynamic frequency and voltage adjustments but also for real-time performance monitoring Increasing transistor mismatch, which is exacerbated by aggressive transistor ... relatively small first-level cache SRAMs maintain full high VDD performance by their inclusion in the DVS domain To support DVS on future scaled manufacturing processes, which exhibit even greater...
Ngày tải lên: 21/06/2014, 22:20
Adaptive Techniques for Dynamic Processor Optimization Theory and Practice by Alice Wang and Samuel Naffziger_12 ppt
... proposed by Butts and Sohi [5] and complements Wattch’s dynamic power model The model uses estimates of the number of transistors (scaled by design-dependent factors) in each structure tracked by Wattch ... recovery after a timing error occurs by a conventional replay mechanism from a check-pointed state Figure 8.18 shows the pipeline modifications required to support such a recovery mechanism The ... an instruction has been validated by Razor and is ready to be committed to storage The check-pointed state is buffered from the timing critical pipeline stages by several stages of stabilization...
Ngày tải lên: 21/06/2014, 22:20
Adaptive Techniques for Dynamic Processor Optimization Theory and Practice by Alice Wang and Samuel Naffziger_13 pdf
... introduced by the FI clocking scheme (since it merges some small clock networks to create a single larger one) Furthermore, it reduces the flexibility of the FI microarchitecture and might impact opportunities ... the -T speedups by an equal amount, resulting in a scheme that offered no better performance than FI-T and was more complex However, these results show that the speedups applied by FI-CP and FI-T ... the circuit The simplest, but by no means only, means to this is ‘twowire’ (commonly termed ‘dual-rail’) encoding (Figure 10.1) [10] where each data bit is carried by two binary signals that together...
Ngày tải lên: 21/06/2014, 22:20
Adaptive Techniques for Dynamic Processor Optimization Theory and Practice by Alice Wang and Samuel Naffziger_14 pptx
... International Technology Roadmap for Semiconductors (ITRS) predicted in 2001 that by 2013, over 90% of SOC die area will be occupied by memory [7] Such level of integration poses many challenges, such as ... multiplexers allow either the high or the low supply to power the cells on a column -by- column basis During standby operation, the low supply is provided to all the cells to decrease leakage power ... the same technique on a row -by- row 256 John J Wuu basis at the cost of area overhead.) A variation of this technique would disconnect the SL during both write and standby operations to achieve power...
Ngày tải lên: 21/06/2014, 22:20
Adaptive Techniques for Dynamic Processor Optimization Theory and Practice by Alice Wang and Samuel Naffziger_17 pot
... serve as a proxy for power dissipation, by weighting each one according to its expected contribution to the power Assuming the weighting is not done on a part -by- part basis, all processors will behave ... mix of leakage and dynamic power This means as voltage is raised or lowered, the power consumed by parts will vary compared to one another The same is true with temperature variation, which affects ... potentially gives up some benefits of the analog schemes, which squeeze out more from the design by using actual power or temperature measurements instead of a proxy However, this even-based approach...
Ngày tải lên: 21/06/2014, 22:20
Báo cáo hóa học: " Research Article APRON: A Cellular Processor Array Simulation and Hardware Design Tool" doc
... connections from a single cell APRON supports local neighbour connectivity by default, so registers can be shifted and rotated in the standard compass directions, but by having no hardware connectivity ... accompanied by a multiplicative coefficient which is analogous to a synaptic weight (See Figure 3) When a linkmap is used, each source register value is multiplied by each of its connections defined by the ... c c c c b c b c b c b Figure 2: Disabling processor elements is achieved by restricting writes to the register memory by using the mask register in a sequence of logic operations Dashed lines...
Ngày tải lên: 21/06/2014, 22:20
Báo cáo hóa học: " Research Article A CNN-Specific Integrated Processor Suleyman Malki and Lambert Spaanenburg (EURASIP Member)" potx
... overall functionality of the system by sending instructions and cloning templates and by setting a number of configuration parameters The communication is handled by a host interface unit (HIU) that ... system, the slow access of memory can only be balanced to the speed of the CPU by widening the memory bus [9] or by adding more functionality to the CPU [10] As already shown in [11], complex ... communication can handle an arbitrarily large neighborhood by virtue of a packet-switching technique, yielding a design called Sleipner [7] This is shown by the move along the N-axis On the I-axis, we find...
Ngày tải lên: 21/06/2014, 22:20