More than one word is put in one cache block to : 

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NIELIT Scientific Assistant CS 5 Dec 2021 Official Paper
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  1. exploit the temporal locality of reference in a program. 
  2. exploit the spatial locality of reference in a program.
  3. reduce the miss penalty.
  4. none of the option.

Answer (Detailed Solution Below)

Option 2 : exploit the spatial locality of reference in a program.
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The correct answer is Option 2: Exploit the spatial locality of reference in a program.

Key Points

  • Cache memory is a small, high-speed storage area located close to the CPU that stores copies of frequently accessed memory data.
  • Spatial locality of reference refers to the tendency of a program to access data locations that are near each other within a short period of time.
  • By placing more than one word in one cache block, the system can exploit spatial locality by fetching and storing multiple words that are likely to be used together.
  • This technique reduces the number of cache misses because the required data is more likely to be found within the same cache block.
  • As a result, it improves the overall performance of the system by minimizing the time spent on memory accesses.

Additional Information

  • Temporal locality of reference refers to the tendency of a program to access the same data locations repeatedly within a short period of time.
  • Reducing the miss penalty refers to minimizing the time taken to retrieve data from main memory when a cache miss occurs.
  • Cache blocks are also known as cache lines, and they typically contain multiple contiguous memory locations.
  • Modern computer systems use various cache optimization techniques to improve performance, such as multi-level caches and prefetching strategies.
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