game programming for android and iphone

... parallel programming models, performance models, and parallel programming environments for message passing and shared memory models, including MPI, Pthreads, Java threads, and OpenMP For each ... areas Performance models and techniques for runtime analysis are described in detail, as they are a prerequisite for achieving efficiency and high performance The third part applies the programming ... as both a textbook for students and a reference book for professionals The material of the book has been used for courses in parallel programming at different universities for many years This

Ngày tải lên: 03/07/2014, 16:20

... and techniques. For a general course on parallel programming, Chaps. 2, 5, and 6 can be used. These chapters introduce programming techniques for both distributed and shared address spaces. For ... understand the relevant concepts and to avoid common programming errors that may lead to low perfor- mance or cause problems like deadlocks or race conditions. Programming examples and parallel programming ... techniques for selecting paths through networks and switching techniques for message forwarding over a given path. Section 2.7 considers memory hierarchies of sequential and parallel plat- forms and

Ngày tải lên: 03/07/2014, 16:20

... processes and which will be considered in more detail in Trang 514 2 Parallel Computer ArchitectureChaps 3 and 5 To perform message-passing, two processes P A and P Bon different nodes A and B issue ... systems are therefore also called NUMAs (non-uniform memory access), see Fig 2.5 Since single SMP sys-tems have a uniform memory latency for all processors, they are also called UMAs (uniform memory ... non-uniform memory access, (c) CC-NUMA – cache-coherent NUMA, and (d) COMA – cache-only memory access more and more important to get good performance results at program level This is also true for

Ngày tải lên: 03/07/2014, 16:20

... this also increases the power density and heat production because of leakage current and power consumption, thus requiring an increased effort and more energy for cool-ing Second, memory access ... cycles for a memory access For example, in 1990 main memory access was between 6 and 8 cycles for a typical desktop computer system, whereas in 2006 memory access typically took between 100 and ... the main memory Therefore, memory access times could become a limiting factor for further performance increase, and cache memories are used to prevent this, see Sect 2.7 for a further discussion

Ngày tải lên: 03/07/2014, 16:20

... implies that there is an edge between node α 0 α j α k−1 and node α 0 ¯α j α k−1 for 0 ≤ j ≤ k − 1 where ¯α j = 1forα j = 0 and ¯α j = 0forα j = 1. Thus, there is an edge between every pair of ... d−1 ) and B = (b 0 , ,b d−1 ) are connected by an edge if there is a dimension j ∈{0, ,d −1} for which a j = (b j ±1) mod k and a i = b i for all other dimensions i = 0, ,d − 1, i = j.Fork = ... mesh with 1 ≤ x j ≤ n j for j = 1, ,d. There is an edge between node (x 1 , ,x d ) and (x  1 , x  d ), if there exists μ ∈{1, ,d} with |x μ − x  μ |=1 and x j = x  j for all j = μ. In the

Ngày tải lên: 03/07/2014, 16:20

... description of X Y routing for two-dimensional meshes and E-cube routing for hypercubes as typical examples for dimension-order routing algorithms X Y Routing for Two-Dimensional Meshes For a twodimensional ... , Nk} and network links {n1, , nk} exists such that for 1 ≤ i < k each message N i uses a link n i for transmission and waits for the release of link n i+1 which is currently used for the ... method using the same degree of incoming and outgoing wires for all switches For the switches, a × b crossbars are often used where a is the input degree and b is the output degree The switches

Ngày tải lên: 03/07/2014, 16:20

... the left) ofβ and selects the output link for forwarding the message according to the following rule: • for β k= 0, the message is forwarded over the upper link of the switch and • for β k= 1, ... turns (top), allowed turns for X Y routing (middle), and allowed turns for west-first routing (bottom) possible turns in a 2D mesh turns allowed for XY−Routing turn allowed for West−First−Routing ... cycles Examples are the west-first routing for two-dimensional meshes and the P-cube routing for n-dimensional hypercubes. The west-first routing algorithm for a two-dimensional mesh prohibits only

Ngày tải lên: 03/07/2014, 16:20

... buffer and to select the output channel to be used by inspecting the header informa-tion of the packet Thus, for a path of length l, the entire time for packet transmission with store-and-forward ... path have different bandwidths as this is typically the case in wide area networks (WANs) In this case, store-and-forward routing allows the utilization of the full bandwidth for every link on the ... time for packet transmission depends lin-early on the packet size and the length l of the path Packet transmission with store-and-forward routing is illustrated in Fig 2.30(b) The time for the

Ngày tải lên: 03/07/2014, 16:20

... Gbyte and 16 Gbytes Typical access times are one or a few processor cycles for the L1 cache, between 15 and 25 cycles for the L2 cache, between 100 and 1000 cycles for the main memory, and between ... and 128 Kbytes for the L1 cache and between Trang 6Fig 2.34 Illustration of atwo-level cache hierarchy processor instruction cache L1 data cache L2 cache main memory 256 Kbytes and 8 Mbytes for ... a direct mapped cache. Forv = 1 and k = m, a fully associative cache results Typical cases are v = m/4 and k = 4, leading to a 4-way set associative cache, and v = m/8 and k = 8, leading to an

Ngày tải lên: 03/07/2014, 16:20

... an easy and intuitive model. But the model has a performance disadvantage, since all memory accesses must be atomic and since memory accesses must be performed one after another. There- fore, processors ... (4). Thus, both P 1 and P 2 may print the old value for x 1 and x 2 , respectively. Partial store ordering (PSO) models relax both the W → W and the W → R ordering required for sequential consistency. ... different models, and there is no standardization as yet. 2.8 Exercises for Chap. 2 Exercise 2.1 Consider a two-dimensional mesh network with n rows and m columns. What is the bisection bandwidth of

Ngày tải lên: 03/07/2014, 16:20

... hard-ware and softhard-ware installation is taken into account But in contrast to sequential programming there are many more details and diversities in parallel programming and a machine-dependent programming ... [82], PC++ [22], DINO [151], and High-Performance Fortran (HPF) [54, 57] An example for an array assignment in Fortran 90 is a(1:n) = b(0:n-1) + c(1:n) The computations performed by this assignment ... details of single systems and provide an abstract view for the design and analysis of parallel programs 3.1 Models for Parallel Systems In the following, the types of models used for parallel processing

Ngày tải lên: 03/07/2014, 16:20

... be used for distributed address space The fork–join concept is, for example, used in OpenMP for the creation of threads executing a parallel loop, see Sect 6.3 for more details The spawn and exit ... array assignment is started not before the previous array assignment has been completed Aforall loop is provided in Fortran 95, but not in Fortran 90, see [122] for details 3.3.3.2 dopar Loop The ... variables to store those array operands of the right-hand side that might cause Trang 4conflicts and using these temporary variables on the right-hand side On the left-hand side, the original array

Ngày tải lên: 03/07/2014, 16:20

... for Pthreads and Sect 6.2.3 for Java threads Trang 33.4 Data Distributions for ArraysMany algorithms, especially from numerical analysis and scientific computing, are based on vectors and matrices ... the processors perform computations only on their part of the data Data distributions can be used for parallel programs for distributed as well as for shared memory machines For distributed memory ... Data Distribution for One-Dimensional Arrays For one-dimensional arrays the blockwise and the cyclic distribution of array ele-ments are typical data distributions For the formulation of the

Ngày tải lên: 03/07/2014, 16:20

... common memory, and can be performed in a blocked way. The computation and communication time for the matrix–vector product is ana- lyzed in Sect. 4.4.2. 3.7 Processes and Threads Parallel programming ... parent node and forwards those data blocks that are meant for a node in a subtree to its corresponding child node being the root of that subtree. Thus, the number of data blocks forwarded over ... A ∈ R n×m is an n × m matrix and b ∈ R m is a vector of size m. (In this section, we use bold-faced type for the notation of matrices or vectors and normal type for scalar values.) The sequential

Ngày tải lên: 03/07/2014, 16:20

... the case for the Pthreads library, see Sect 6.1.10 for more details The scheduler of the operating system on the other hand is tuned for an efficient use of the hardware resources, and there ... tries to set lock s2and then s1; after having locked s2successfully, T2waits for the release of s1 In this situation, s1 is locked by T1 and s2 by T2 Both threads T1 and T2 wait for the release of ... example where two threads T1and T2both use two lockss1ands2: Thread T1 Thread T2 A deadlock occurs for the following execution order: • a thread T1first tries to set a lock s1, and then s2; after having

Ngày tải lên: 03/07/2014, 16:21

... updates. SIDE-BY-SIDE COMPARISONS WITH ANDROID AND IPHONE Mobile developers coming from iOS and Android will be interested in the similarities and differences between WP7, iOS, and Android. The following sections ... use C# and Visual Studio tools to develop mobile applications running on Android and iOS. This will make cross-platform design easier and enable code reuse across these platforms. Mono -Android ... Ericsson, responsible for overall device platform software architecture and key software differentiations on Android and Windows Phone. Before that, he was with Microsoft and Lucent Technologies....

Ngày tải lên: 05/05/2014, 12:42

... (http://www.katsbits.com) and David Radford (http://dmradford.com). flast.indd xxflast.indd xx 12/31/11 9:40:24 AM12/31/11 9:40:24 AM Game and Graphics Programming for iOS and Android with OpenGLđ ... by the Android SDK (for more information, visit http://developer .android .com ). Also, you will need an Android device with OpenGL ES 2.0 support, because the simulator bundled with the Android ... of the Android NDK c01.indd 3c01.indd 3 12/31/11 8:53:33 AM12/31/11 8:53:33 AM

Ngày tải lên: 22/03/2014, 13:36

... 87 www.it-ebooks.info Android Game Programming For Dummies xviii AppBrain 324 AndroLib 325 Your Website 326 BitTorrent Sites 326 Chapter 16: Ten Websites for Android Game Developers 327 Stack Overow 328 Android ... 328 Android Developer 329 anddev.org 330 Android Developers Blog 331 Appolicious 332 Android Tapp 333 Phandroid 334 xda developers 335 Droid Gamers 336 Android and Me 337 Glossary 339 Index ... 26 Part I: Adopting the Android Gaming Mindset www.it-ebooks.info 6 Android Game Programming For Dummies Where to Go from Here Are you ready to start developing games for Android? I hope you enjoy...

Ngày tải lên: 23/03/2014, 05:20

... discusses the various details and techniques used for animat- I " i ng and modeling a bouncing ball. The completed applet and applet code is on the Java fl- me Programming For Dummies CI)ROM - . Trchia 0 ... your games. Starting with a logic puzzle, you progress to a multiplayer blackjack game, master 2-D sprites, and combine sprites with code to generate random mazes and create a maze chase game. This ... aspects of Java that are particularly useful for game programming, but not necessarily specific to game programming. If you're still new to coding Java and want to brush up on the fine points...

Ngày tải lên: 04/11/2013, 11:15

... program and the accuracy of the data. 3.3.1 Windows Reading and writing to a serial port in Windows is very simple and similar to reading and writing to a file. In fact, the functions used to read and ... is now opened and, in this case, fd is a handle to the opened device file. As can be seen, if the open() function call fails, the device handle is set to −1 and by checking the handle against ... systems, namely Microsoft Windows and Linux. It has also provided a small amount of infor- mation on the history of RS−232 as well as a design for a simple cross-platform serial port interface API. This...

Ngày tải lên: 05/11/2013, 20:15