Apple inc. (20240202146). Memory Device Bandwidth Optimization simplified abstract

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Memory Device Bandwidth Optimization

Organization Name

apple inc.

Inventor(s)

Gregory S. Mathews of Saratoga CA (US)

Shane J. Keil of San Jose CA (US)

Memory Device Bandwidth Optimization - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240202146 titled 'Memory Device Bandwidth Optimization

Simplified Explanation

The patent application describes techniques for scheduling memory operations to increase memory data bus utilization by delaying alternate read/write commands within a multi-bank memory operation beyond a minimum timing parameter.

  • Every other clock cycle is reserved for activate commands, while other commands are scheduled on the intervening clock cycles.
  • For memory devices where a sync command precedes a read/write command by a specific number of clock cycles, a special operation mode delays the sync command internally.

Key Features and Innovation

  • Delaying alternate read/write commands to increase memory data bus utilization.
  • Reserving every other clock cycle for activate commands.
  • Internally delaying sync commands in memory devices to align with activate commands.

Potential Applications

These techniques can be applied in various memory systems and devices to optimize memory data bus utilization and improve overall performance.

Problems Solved

  • Enhancing memory data bus utilization.
  • Improving memory operation efficiency.
  • Aligning sync commands with activate commands in memory devices.

Benefits

  • Increased memory data bus utilization.
  • Enhanced memory operation efficiency.
  • Improved overall performance of memory systems and devices.

Commercial Applications

Optimizing memory data bus utilization can benefit a wide range of industries, including computer hardware manufacturers, data centers, and mobile device companies.

Prior Art

Readers can explore prior research on memory operation scheduling techniques and memory data bus utilization in the field of computer engineering and memory systems.

Frequently Updated Research

Researchers are continually exploring new methods to enhance memory operation efficiency and memory data bus utilization in various memory systems and devices.

Questions about Memory Operation Scheduling

How do these techniques improve memory data bus utilization?

These techniques optimize memory data bus utilization by delaying alternate read/write commands and reserving clock cycles for activate commands.

What are the potential applications of these memory operation scheduling techniques?

These techniques can be applied in various memory systems and devices to enhance memory operation efficiency and overall performance.


Original Abstract Submitted

techniques for scheduling memory operations are disclosed in which alternate read/write commands within a multi-bank memory operation are delayed beyond a minimum timing parameter in order to increase memory data bus utilization. the remaining read/write commands are not delayed beyond the minimum timing parameter. every other clock cycle (e.g., even clock cycles) within the memory operation is reserved for activate commands, while other commands such as sync and read/write are scheduled on the intervening clock cycles (e.g., odd clock cycles). for memory devices for which a sync command (which causes a clock of the memory data bus to start) is to precede a corresponding read/write command by a number of clock cycles that would place it in a cycle reserved for activate commands, a particular operation mode is disclosed in which the memory device internally delays a received sync command.