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processing heterogeneous vectors in (C++-AMP)

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Parallel Computing in C++ and Native Code

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Discuss and ask questions about parallel computing in C++ and native code -- including C++ Accelerated Massive Parallelism (C++ AMP), the Parallel Pattern Library (PPL), the Asynchronous Agents Library, the Concurrency Runtime (ConcRT), and other concurrency building blocks.

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I've written code that read and parse variable number of .dat files and store them into 2D vectors, each file in separated vector. Now, I'm trying to take advantage of parallel processing ...

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accelerator_view::flush() gives 100 times performance increase.

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I am recoding a pattern generations program to use C++ Amp. On a fixed test case the original code runs at 4.5 seconds on average. Recoded to use parallel_for test case runs about 1.5 seconds. The ...

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How to force a GPU response to the OS

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Display driver stopped responding and has recovered is the symptom I am converting an existing pattern generation application that I originally fielded in 1996. To give an Idea of ...

2 Replies | 59 Views | Last Post 17 hours 0 minutes ago
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info C5012: loop not parallelized due to reason '1000' on a simple for loop assigning vector components?

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The following code builds sussesfully, but with /Qpar /Qpar-report:2 generates the message: info C5012: loop not ...

1 Replies | 105 Views | Last Post Tuesday, June 18, 2013 6:02 PM
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using array_view data without copying back to CPU

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Parallel Computing in C++ and Native Code

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Hi, I'm using 2 parallel_for each loops and I don't want to copy the result from the first parallal_for each back to the CPU and to use it directly for the 2nd parallel_for each. Do ...

1 Replies | 97 Views | Last Post Tuesday, June 18, 2013 2:53 AM
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recursive critical_section/reader_writer_lock

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The new concurrency library is very nice. However, why there are no reentrant versions of critical_section or reader_writer_lock? I see there is an implementation used internally by ...

4 Replies | 6077 Views | Last Post Monday, June 17, 2013 5:59 PM
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Where to find TDR registry in Windows 7?

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Discuss and ask questions about parallel computing in C++ and native code -- including C++ Accelerated Massive Parallelism (C++ AMP), the Parallel Pattern Library (PPL), the Asynchronous Agents Library, the Concurrency Runtime (ConcRT), and other concurrency building blocks.

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I try to disable TDR on my GPU card for long run computation. But I cannot find the TDR related key. I have ...

1 Replies | 304 Views | Last Post Friday, June 14, 2013 3:28 PM
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Is device_path unique and persistent?

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Hi all, I was wondering if the device_path as queried in C++ AMP is unique and persistent. Specifically: Will two GPUs of the same vendor/model in a ...

0 Replies | 92 Views | Last Post Friday, June 14, 2013 11:53 AM
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Use of AMP C++ is slow !!

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Discuss and ask questions about parallel computing in C++ and native code -- including C++ Accelerated Massive Parallelism (C++ AMP), the Parallel Pattern Library (PPL), the Asynchronous Agents Library, the Concurrency Runtime (ConcRT), and other concurrency building blocks.

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Hello, I have used for Matrix multiplication AMP C++, and it works great, the problème is when i have use it as a function in a programme, the grogramme become slow and it consume ...

2 Replies | 144 Views | Last Post Wednesday, June 12, 2013 2:35 PM
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Multiple Function Use

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I defined this function once in a separate header file which contains all of the #includes that is referenced by other headers. string split(string data , int start , int ...

1 Replies | 109 Views | Last Post Tuesday, June 11, 2013 11:43 PM
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Cannot find C2075 on my windows 7 workstation

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Parallel Computing in C++ and Native Code

Discuss and ask questions about parallel computing in C++ and native code -- including C++ Accelerated Massive Parallelism (C++ AMP), the Parallel Pattern Library (PPL), the Asynchronous Agents Library, the Concurrency Runtime (ConcRT), and other concurrency building blocks.

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I have HP Z820 (Windows 7 professional with SP1) which has 1 Quadro 600 graphics card for display and also a Tesla C2075 card. When I run the utility called "VerifyAmpDevices" ...

6 Replies | 224 Views | Last Post Monday, June 10, 2013 10:21 PM
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How to use concurrency::array correctly?

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Discuss and ask questions about parallel computing in C++ and native code -- including C++ Accelerated Massive Parallelism (C++ AMP), the Parallel Pattern Library (PPL), the Asynchronous Agents Library, the Concurrency Runtime (ConcRT), and other concurrency building blocks.

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I am learning how to use AMP. I am using studio 2012 on Windows 7. I can find the card correctly by using : concurrency::accelerator::get_all(); Now question ...

1 Replies | 107 Views | Last Post Monday, June 10, 2013 10:14 PM
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Problem with std::thread

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Discuss and ask questions about parallel computing in C++ and native code -- including C++ Accelerated Massive Parallelism (C++ AMP), the Parallel Pattern Library (PPL), the Asynchronous Agents Library, the Concurrency Runtime (ConcRT), and other concurrency building blocks.

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Hi! Could someone answer my question, please? I have a class that has its own thread. struct CThread1 abstract : ...

1 Replies | 126 Views | Last Post Monday, June 10, 2013 5:07 AM
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array_view<double>

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Discuss and ask questions about parallel computing in C++ and native code -- including C++ Accelerated Massive Parallelism (C++ AMP), the Parallel Pattern Library (PPL), the Asynchronous Agents Library, the Concurrency Runtime (ConcRT), and other concurrency building blocks.

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Hello,So i have written a code where i have used array_view<float> the programme works great, but when i pass to double it means ...

0 Replies | 114 Views | Last Post Sunday, June 09, 2013 5:27 PM
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Reading .dat files by GPU

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Discuss and ask questions about parallel computing in C++ and native code -- including C++ Accelerated Massive Parallelism (C++ AMP), the Parallel Pattern Library (PPL), the Asynchronous Agents Library, the Concurrency Runtime (ConcRT), and other concurrency building blocks.

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Hello, I'm trying to take advantage of heterogeneous computing system by developing an algorithm that make make the GPU contributing to the process of reading ...

4 Replies | 297 Views | Last Post Friday, June 07, 2013 6:42 PM
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problem copying data back to the CPU using array_view and discard

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Discuss and ask questions about parallel computing in C++ and native code -- including C++ Accelerated Massive Parallelism (C++ AMP), the Parallel Pattern Library (PPL), the Asynchronous Agents Library, the Concurrency Runtime (ConcRT), and other concurrency building blocks.

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Hi everybody, I am using array_view to execute Parallel_for_each loop with discard_data() option, thing is that the code inside parallel for each is running well, I debugged that ...

0 Replies | 104 Views | Last Post Friday, June 07, 2013 5:29 PM
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Parallel_for():: system hangs in _WaitOnStolenChores()

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Hi, I have found that my Parallel_for() hangs in _WaitOnStolenChores() if the 1st thread started is not the last one to end. Here is how I am setup: I am ...

2 Replies | 166 Views | Last Post Thursday, June 06, 2013 5:53 PM
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Maintaining data in GPU memory across multiple function calls

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I saw some similar questions, which hinted at using a constant buffer -- is there something that would work similarly for the following issue? I am porting a CUDA implementation of ...

3 Replies | 163 Views | Last Post Friday, May 31, 2013 4:51 PM
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Kernel crashing code & debugging with AMP

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msvcr110d.dll!_CxxThrowException(void * pExceptionObject=0x000000292d3eab10, const _s__ThrowInfo * pThrowInfo=0x000007fb49708c48) Line 152 ...

0 Replies | 112 Views | Last Post Friday, May 31, 2013 4:47 PM
Discussion

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What do you want in the next version of C++ AMP? – we are listening

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Parallel Computing in C++ and Native Code

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Discuss and ask questions about parallel computing in C++ and native code -- including C++ Accelerated Massive Parallelism (C++ AMP), the Parallel Pattern Library (PPL), the Asynchronous Agents Library, the Concurrency Runtime (ConcRT), and other concurrency building blocks.

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Visual Studio 2012 includes the first release of the C++ AMP technology and hopefully by now you have had a chance to learn about and even better try your hands at it. We ...

62 Replies | 4837 Views | Last Post Thursday, May 30, 2013 5:41 AM
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Categories

processing heterogeneous vectors in (C++-AMP)

accelerator_view::flush() gives 100 times performance increase.

How to force a GPU response to the OS

info C5012: loop not parallelized due to reason '1000' on a simple for loop assigning vector components?

using array_view data without copying back to CPU

recursive critical_section/reader_writer_lock

Where to find TDR registry in Windows 7?

Is device_path unique and persistent?

Use of AMP C++ is slow !!

Multiple Function Use

Cannot find C2075 on my windows 7 workstation

How to use concurrency::array correctly?

Problem with std::thread

array_view<double>

Reading .dat files by GPU

problem copying data back to the CPU using array_view and discard

Parallel_for():: system hangs in _WaitOnStolenChores()

Maintaining data in GPU memory across multiple function calls

Kernel crashing code & debugging with AMP

What do you want in the next version of C++ AMP? – we are listening

Categories: [] Forums: ["parallelcppnative"]

Parallel Computing in C++ and Native Code announcement

Categories: [] Forums: ["parallelcppnative"]