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What makes cache memory quicker than DRAM?

Anonymous

∙ 15y ago

Updated: 11/6/2022

Cache memory is stored on the processor. Dram memory is stored on the ram chips. It is analogous to having papers on your desk and having papers in the file cabinet across the room. You can get to both but you can get to the papers on your desk a whole lot faster.

Wiki User

∙ 15y ago

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Q: What makes cache memory quicker than DRAM?

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Related Questions

Memory cache is referred to as?

memory cache is a small amount of RAM (referred to as static RAM) that is much faster than the rest of the RAM, which is called dynamic RAM (DRAM).

What is the cache memory required for the system to be fast?

Cache memory is special, high-speed static memory that is used to reduce the amount of accesses to dynamic RAM. While cache memory used to be on the motherboard, it is now most commonly found inside the CPU. Static memory is larger, costlier to produce, and uses more current than DRAM. But static memory is the fastest type of memory there is and it doesn't need refreshed (so long as the power is maintained). So cache is a compromise to store the most used code and data to reduce the access to the slower DRAM.

Is a DRAM variation that is designed for computers with multi-core processors?

That would be DDR-3 memory. Some multi-core systems use DDR-2 memory. Then of course there is cache memory, but that is a variation of SRAM, and it has been used ever since the 386 or 486 machines. Nowadays, cache memory is not in discrete chips, but a part of the processor. Placing the cache memory and memory controller on the CPU die greatly improves the throughput.

Where the constantly needed data is stored?

Constantly needed data is stored in RAM, and depending on the system and the CPU used, it may be stored in cache memory. Cache memory is a special, high-speed type of RAM. It is more expensive and uses more current than DRAM, but it is used where speed is critical. Cache memory is generally inside of the CPU these days.

What types of computer chips are volatile?

The Random Access Memory (RAM) chip is volatile, and any data not saved to the hard drive will be lost on switching off the computer.

What is the difference between DRAM and SRAM in terms of characterstics such as size?

•Dynamic cell (DRAM) -Simpler to build, smaller -More dense -Less expensive -Needs refresh -Larger memory units •Static (SRAM) -Faster -Cache

Does DRAM Memory operate asynchronously?

No. Newer DRAM memory types operate synchronously.

Consider a memory system with a level 1 cache of 32 KB and DRAM of 512 MB with the processor operating at 1 GHz. The latency to L1 cache is one cycle and the latency to DRAM is 100 cycles. In each mem?

The computation performs 8 FLOPS on 2 cache lines, i.e., 8 FLOPS in 200 ns. This corresponds to a computation rate of 40 MFLOPS

What is temporary storage on chips called?

Temporary storage on chips is called memory. Most such solid-state memory is in the form of random-access memory (RAM) chips, usually dynamic RAM (DRAM). The people who write operating systems and the computer architects that design computer systems and CPUs often use many different temporary storage areas, each one with a different name. If you are building a high-speed computer or writing a high-performance operating system, you will learn about the temporary storage areas known as the disk page cache, the stack, the heap, and the virtual memory page table, are (more or less) stored in the main memory DRAM. The CPU has a few temporary locations called registers. Often there is one or more levels of cache (the L1 cache, the L2 cache, etc.) between the CPU and the main memory. High-performance CPUs typically put a cache on the same chip as the CPU; some older personal computers had an "external cache" SRAM chips between the CPU chip and the main memory DRAM chips. Many high-performance computers have several levels of successively larger and slower caches -- an extremely fast I-cache and D-cache and TLB, the L1 cache, the L2 cache, the L3 cache, and main memory.

Is dram a volatile or non volatile?

DRAM is a volatile memory

Is a Dram a volatile or non volatile?

DRAM is a volatile memory

What type of memory is mostly closely connected to the CPU?

In this instance, you likely mean cache memory, though you could mean RAM, particularly DRAM. Cache memory, like the L1, L2, and L3 processor cache, helps to speed up operations between the CPU and RAM.

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