Memory Needs to Catch Up - GPU Performance Quiz
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Questions and Answers

What type of hardware is GPU?

  • Designed for serial processing applications
  • Specially designed for highly parallel applications like graphics (correct)
  • Designed for single-threaded applications
  • Designed for memory-intensive applications

What is the challenge faced in GPU performance development?

  • Memory catching up with processor speed
  • Adopting parallel thinking (correct)
  • Increasing processor speed
  • Serial performance scaling reaching its peak

What does the text suggest about Moore's Law in relation to processor speed?

  • Processors are increasing in frequency and width at the same rate
  • Moore's Law no longer holds true
  • Processors are getting faster and faster
  • Serial performance scaling has reached its peak (correct)

What is mentioned as a requirement for fast processing in GPUs?

<p>High bandwidth (C)</p> Signup and view all the answers

Which market is driving development in GPU technology according to the text?

<p>Graphics market (D)</p> Signup and view all the answers

What is the primary focus of GPU chip design according to the text?

<p>Devoting more transistors to data processing (D)</p> Signup and view all the answers

How many CUDA cores does the GeForce 8800 GPU have?

<p>512 CUDA cores (B)</p> Signup and view all the answers

What is the purpose of Stream Multiprocessors in GPUs?

<p>To group stream processors for efficient SIMD processing (A)</p> Signup and view all the answers

How does the text define latency in the context of GPU performance?

<p>Time to complete a task, also known as execution time (C)</p> Signup and view all the answers

What is the core idea behind GPUs according to the text?

<p>Designed for simpler tasks with high throughput (C)</p> Signup and view all the answers

What are GPUs designed to prioritize according to the text?

<p>Maximizing throughput of all threads (A)</p> Signup and view all the answers

What is a key difference between GPUs and CPUs in terms of memory bandwidth?

<p>GPUs typically have higher memory bandwidth compared to CPUs. (A)</p> Signup and view all the answers

Which statement accurately describes the view of a programmer when using a GPU for computation?

<p>Computation is offloaded to the GPU due to faster processing compared to the CPU. (C)</p> Signup and view all the answers

What distinguishes GPUs from CPUs in terms of core count?

<p>GPUs typically have thousands of cores, while CPUs have less than 100 cores. (D)</p> Signup and view all the answers

Why do GPUs struggle with executing recursive code compared to CPUs?

<p>GPUs have difficulty with recursive code due to their architecture that favors data-parallel computing. (A)</p> Signup and view all the answers

In terms of data-parallel computing, which hardware is more adept at it?

<p>GPUs excel in data-parallel computing. (B)</p> Signup and view all the answers

Which programming language is primarily used for GPU computing?

<p>Compute Unified Device Architecture (CUDA) (A)</p> Signup and view all the answers

What does GPGPU refer to?

<p>Using GPUs for non-graphics applications (D)</p> Signup and view all the answers

How is the GPU connected in Intel processors?

<p>Directly to the North Bridge via PCI-Express link (A)</p> Signup and view all the answers

What is CUDA?

<p>A programming language for GPUs developed by NVIDIA (A)</p> Signup and view all the answers

How can a program running on a GPU access its device memory?

<p>By being specially written to run on a GPU (A)</p> Signup and view all the answers

Where is the GPU's device memory connected in relation to the rest of the chip in Intel processors?

<p>Directly to the GPU (D)</p> Signup and view all the answers

What are the four coordinates that make up a pixel in the context provided?

<p>(r, g, b, alpha) (B)</p> Signup and view all the answers

What advantage does CUDA provide to programmers working with GPUs?

<p>Allows writing C code for GPUs (B)</p> Signup and view all the answers

How do GPUs differ from CPUs based on the text provided?

<p>Graphics applications have more data parallelism than general-purpose applications (C)</p> Signup and view all the answers

What do GPUs rely on to hide latency instead of using multi-level caches?

<p>Having enough threads (A)</p> Signup and view all the answers

Which statement is true regarding GPU main memory as per the text?

<p>It is designed for high bandwidth rather than small latency (A)</p> Signup and view all the answers

What is the primary function of a GPU according to the text?

<p>Performing graphics operations (B)</p> Signup and view all the answers

Why are GPUs considered to have extensive parallelism as per the text?

<p>Each processor is highly parallel in a GPU (A)</p> Signup and view all the answers

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