programming languages concepts and constructs ravi sethi ppt

Programming Languages - Application and Interpretation pot

... first editions of The Structure and Interpretation of Computer Programs byAbelson and Sussman with Sussman and Essentials of Programming Languages by Friedman, Wand and Haynes. Please read those ... Domain-Specific Languages and Metaprogramming 31335 Domain-Specific Languages 31535.1 Language Design Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31535.2 Languages ... book.Bruce Duba, Corky Cartwright, Andrew Wright, Cormac Flanagan, Matthew Flatt and Robby Findlerhave all significantly improved my understanding of this material. Matthew and Robby’s work on DrSchemehas...

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ENDOMETRIOSIS - BASIC CONCEPTS AND CURRENT RESEARCH TRENDS ppt

Danh mục: Sức khỏe giới tính

... 18:349–371. ENDOMETRIOSIS - BASIC CONCEPTS AND CURRENT RESEARCH TRENDS Edited by Koel Chaudhury and Baidyanath Chakravarty Endometriosis - Basic Concepts and Current Research Trends 38into ... 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...

Parallel Programming: for Multicore and Cluster Systems- P4 pptx

Danh mục: Phần cứng

... structure and size of the caches, the access of cores to caches, and the use of heterogeneous components. From a high-level view, three differenttypes 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 thetransmission 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 amessage is forwarded...

Parallel Programming: for Multicore and Cluster Systems- P13 ppt

Danh mục: Phần cứng

... program-ming models and techniques for shared address spaces in more detail and describesdifferent systems, like Pthreads, Java threads, and OpenMP. In the current section, afew 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 receiveoperations have ... between producer and consumer threads. The producer–consumer modelis considered in more detail in Sect. 6.1.9 for Pthreads and Sect. 6.2.3 for Javathreads.114 3 Parallel Programming Modelsj,...

Parallel Programming: for Multicore and Cluster Systems- P14 ppt

Danh mục: Phần cứng

... common memory, and canbe 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 ThreadsParallel programming ... blockwise distribution of the matrix A and a ﬁnal redistribution of the result vector c130 3 Parallel Programming Modelswhere j=0, ,m/p-1, i=0, ,n-1, and k=1, ,p. The array d is aprivate vector ... matrix A ∈ Rn×mis implemented as a two-dimensional array A and the vectorsb ∈ Rm and c ∈ Rnare implemented as one-dimensional arrays b and c.(Theindices start with 0 as usual in C.) For each...

Parallel Programming: for Multicore and Cluster Systems- P21 pptx

Danh mục: Phần cứng

... 1Integer multiply and divide 10.7 9Floating-point add and subtract 3.5 7Floating-point multiply and divide 4.6 17Logical operations 6.0 1Branch instruction 20.0 1.5Compare and shift 16.8 2Compute ... www.mpi-forum.org. There are two versions of the MPI standard:MPI-1 deﬁnes standard communication operations and is based on a static processmodel. 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...

Parallel Programming: for Multicore and Cluster Systems- P25 pptx

Danh mục: Phần cứng

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

Parallel Programming: for Multicore and Cluster Systems- P33 ppt

Danh mục: Phần cứng

... swapBalance() is executed by two threads A and B concurrently: Fortwo account objects a and b,ifA calls a.swapBalance(b) and B calls b.swap312 6 Thread Programming The method yield() is a directive ... a.swapBalance(b) and locks the mutex variable ofobject a;• time T2: thread A calls getBalance() for object a and executes this function;• time T2: thread B calls b.swapBalance(a) and locks the ... If the array data is fully occupied when trying316 6 Thread Programming Fig. 6.25 Example for adeadlock situationBalance(a) and A and B are executed on different processors or cores, a dead-lock...

Parallel Programming: for Multicore and Cluster Systems- P34 ppt

Danh mục: Phần cứng

... barrier synchronization in Java with wait() and notify()322 6 Thread Programming Fig. 6.32 Realization of athread-safe buffer mechanismusing 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 intothe buffer and a take() method to enable a consumer to remove an item fromthe buffer. A buffer object can have one of three states: full, partially full, and empty. Figure 6.33 illustrates...