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    Technology - Tag - questions - EngineersHub
    Tag results found for "Technology" in Questions.
    Question
    Venu Gopal reddy Seelam
    2 months ago
    0 Answer(s) posted Write an answer 17
    Question
    Venu Gopal reddy Seelam
    2 months ago
    0 Answer(s) posted Write an answer 13
    Question
    SaiMukesh Reddy
    4 months ago
    1 Answer(s) posted Write an answer 420
    Answer
    Read Mode
    Answer posted by Anandam Lokesh
    4 months ago
    • R is a flexible and powerful open-source implementation of the language S (for statistics) developed by John Chambers and others at Bell Labs.

           Why R?
           Five reasons to learn and use R:

    • R is open source and completely free. R community members regularly contribute packages to increase R's functionality.
    • R is as good as commercially available statistical packages like SPSS, SAS, and Minitab.
    • R has extensive statistical and graphing capabilities. R provides hundreds of built-in statistical functions as well as its own built-in programming language.
    • R is used in teaching and performing computational statistics. It is the language of choice for many academics who teach computational statistics.
    • Getting help from the R user community is easy. There are readily available online tutorials, data sets, and discussion forums about R.           

           R uses: 

    • R combines aspects of functional and object-oriented programming.
    • R can use in interactive mode
    • It is an interpreted language rather than a compiled one.
    • Finding and fixing mistakes is typically much easier in R than in many other languages.

          R Features:-

    • Programming language for graphics and statistical computations
    • Available freely under the GNU public license
    • Used in data mining and statistical analysis
    • Included time series analysis, linear and nonlinear modeling among others
    • Very active community and package contributions
    • Very little programming language knowledge necessary
    3
    Question
    Anandam Lokesh
    4 months ago
    1 Answer(s) posted Write an answer 579
    Answer
    Read Mode
    Answer posted by KURVA SHEKER
    4 months ago

    GPU stands for Graphics Processing Unit which is used to manipulate 3D graphics, multimedia and images. The major aim of this concept is to free up the processor from processing tasks associated with graphics by handling these tasks in the graphic card itself. This can be done by implementing GPU as a coprocessor on the video card.

    It was first developed by NVIDIA in 1999 which was named as GeForce 256 that is capable of handling 10 million polygons within a single second. This feature was made to be used in almost all computers today. It is designed in such a way that it processes multiple threads simultaneously providing massive parallelism. Modern GPUs are capable of processing 1024 concurrent threads. They highly depend on providing increased throughput at chip-level.z

    With improvements in GPU technology, they are used in processing floating point operations and data-intensive calculations apart from processing graphics. For this reason they are now used in mobile phones, gaming consoles, personal computers and many other fields.

    Fermi GPU: Fermi based GPU has the following advantages,

    1.It has improved memory access and double precious floating performance.

    2.It supports ECC.

    3. It generates cache hierarchy.

    4. It shares memory among streaming.

    5.It performs faster context switching, atomic operation and instruction scheduling.

    6.It uses a prediction method inorder to reduce branch penalty.

    Fermi GPU consists of the following components,

    1. 3.0 billion transistors. 

    2. 512 cores arranged on 16 bit stream multiprocessor of 32 cores each which in turn are shared by L, cache. The function of these core is to execute floating point or integer instructions per clock.

    3. 384 bit (i.es 6X64) DRAM interface is provided by GPU chip for supporting a total of 6 GB memory.

    4. PCI express (host interface) in order to connect GPU to CPU.

    5. Giga Thread Unit (GT) to schedule a group of thread among Streaming Multiprocessor (SM).

           In addition to 32-cores, Stream Multiprocessor (SM) also consists of 16 load/store unit and four independent Special Functional Unit (SFU) in order to perform mathematical functions like sine, cosine, reciprocal and square root. The 32 core inturn are provided with Arithmetic Logical Unit (ALU) and Floating Point Units (FLU's).

    16

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