programming languages concepts and constructs ravi sethi ppt

... first editions of The Structure and Interpretation of Computer Programs by Abelson and Sussman with Sussman and Essentials of Programming Languages by Friedman, Wand and Haynes. Please read those ... Domain-Specific Languages and Metaprogramming 313 35 Domain-Specific Languages 315 35.1 Language Design Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315 35.2 Languages ... book. Bruce Duba, Corky Cartwright, Andrew Wright, Cormac Flanagan, Matthew Flatt and Robby Findler have all significantly improved my understanding of this material. Matthew and Robby’s work on DrScheme has...

Ngày tải lên: 22/03/2014, 15:20

... 18:349–371. ENDOMETRIOSIS - BASIC CONCEPTS AND CURRENT RESEARCH TRENDS Edited by Koel Chaudhury and Baidyanath Chakravarty Endometriosis - Basic Concepts and Current Research Trends 38 into ... Prostaglandins. 1979; 18:655–661. [39] Dawood MY, Khan-Dawood FS, Wilson L Jr. Peritoneal fluid prostaglandins and prostanoids in women with endometriosis, chronic pelvic inflammatory disease, and ... signal intensity and morphologic abnormalities in the anterior and posterior compartments of the pelvis and the presence of surrounding fibrosis. The use of endovaginal and rectal contrast...

Ngày tải lên: 27/06/2014, 09:20

... structure and size of the caches, the access of cores to caches, and the use of heterogeneous components. From a high-level view, three different types of architectures can be distinguished, and there ... for standard desktop or server processors. Examples are the IBM Power6 architecture, the processors of the Intel Xeon and AMD Opteron family, as well as the Sun Niagara processors (T1 and T2). ... be used for the transmission and the switching strategy which determines whether and how mes- sages are cut into pieces, how a routing path is assigned to a message, and how a message is forwarded...

Ngày tải lên: 03/07/2014, 16:20

... program- ming models and techniques for shared address spaces in more detail and describes different systems, like Pthreads, Java threads, and OpenMP. In the current section, a few basic concepts are ... processors. The corresponding programming models are therefore called message-passing programming models. To send a message from one processor to another, one send and one receive operations have ... between producer and consumer threads. The producer–consumer model is considered in more detail in Sect. 6.1.9 for Pthreads and Sect. 6.2.3 for Java threads. 114 3 Parallel Programming Models j,...

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 ... blockwise distribution of the matrix A and a final redistribution of the result vector c 130 3 Parallel Programming Models where j=0, ,m/p-1, i=0, ,n-1, and k=1, ,p. The array d is a private vector ... matrix A ∈ R n×m is implemented as a two-dimensional array A and the vectors b ∈ R m and c ∈ R n are implemented as one-dimensional arrays b and c.(The indices start with 0 as usual in C.) For each...

Ngày tải lên: 03/07/2014, 16:20

... 1 Integer multiply and divide 10.7 9 Floating-point add and subtract 3.5 7 Floating-point multiply and divide 4.6 17 Logical operations 6.0 1 Branch instruction 20.0 1.5 Compare and shift 16.8 2 Compute ... www.mpi-forum.org. There are two versions of the MPI standard: MPI-1 defines standard communication operations and is based on a static process model. MPI-2 extends MPI-1 and provides additional support for dynamic ... distributions for A and B: (a) A is distributed in column-blockwise, B in row-blockwise order. (b) Both A and B are distributed in checkerboard order. Compare the resulting runtime functions and try to...

Ngày tải lên: 03/07/2014, 16:21

... neighboring process in the specified dimension and distance. The rank of the process for which the calling process is the neighboring process in the specified dimension and distance is returned in rank source. ... rank source. Thus, the group ranks returned in rank dest and rank source can be used as parameters for MPI Sendrecv(), as well as for separate MPI Send() and MPI Recv(), respectively. Example As example, ... increases with column position, and in each column of the grid, a different exchange is executed. MPI Cart shift() is used to determine the communication partners dest and source for each pro- cess....

Ngày tải lên: 03/07/2014, 16:21

... swapBalance() is executed by two threads A and B concurrently: For two account objects a and b,ifA calls a.swapBalance(b) and B calls b.swap 312 6 Thread Programming The method yield() is a directive ... a.swapBalance(b) and locks the mutex variable of object a; • time T 2 : thread A calls getBalance() for object a and executes this function; • time T 2 : thread B calls b.swapBalance(a) and locks the ... If the array data is fully occupied when trying 316 6 Thread Programming Fig. 6.25 Example for a deadlock situation Balance(a) and A and B are executed on different processors or cores, a dead- lock...

Ngày tải lên: 03/07/2014, 16:21

... barrier synchronization in Java with wait() and notify() 322 6 Thread Programming Fig. 6.32 Realization of a thread-safe buffer mechanism using Java wait() and notify() The class provides a put() ... BoundedBufferSema in Fig. 6.41 provides the methods put() and take() to store and retrieve objects in a buffer. Two semaphores putPermits and takePermits are used to control the buffer management. ... an item into the buffer and a take() method to enable a consumer to remove an item from the buffer. A buffer object can have one of three states: full, partially full, and empty. Figure 6.33 illustrates...

Ngày tải lên: 03/07/2014, 16:21

Ngày tải lên: 03/07/2014, 22:20

Ngày tải lên: 03/07/2014, 22:20

Ngày tải lên: 03/07/2014, 22:20

Ngày tải lên: 03/07/2014, 22:20

Ngày tải lên: 03/07/2014, 22:20

Ngày tải lên: 03/07/2014, 22:20

Ngày tải lên: 03/07/2014, 22:20

Ngày tải lên: 03/07/2014, 22:20

Ngày tải lên: 03/07/2014, 22:20

Ngày tải lên: 03/07/2014, 22:20

Ngày tải lên: 03/07/2014, 22:20