'Dram refresh' diaporamas de présentation

Onur Mutlu onur@cmu July 4, 2013 INRIA

A Fresh Look at DRAM Architecture: New Techniques to Improve DRAM Latency, Parallelism, and Energy Efficiency. Onur Mutlu onur@cmu.edu July 4, 2013 INRIA. Video Lectures on Same Topics. Videos from a similar series of lectures at Bogazici University (these are longer)

2.23k views • 206 slides

15-740/18-740 Computer Architecture Lecture 25: Main Memory

15-740/18-740 Computer Architecture Lecture 25: Main Memory. Prof. Onur Mutlu Yoongu Kim Carnegie Mellon University. Today. SRAM vs. DRAM Interleaving/Banking DRAM Microarchitecture Memory controller Memory buses Banks, ranks, channels, DIMMs Address mapping: software vs. hardware

789 views • 50 slides

Flikker: Saving DRAM Refresh-power through Critical Data Partitioning

Flikker: Saving DRAM Refresh-power through Critical Data Partitioning. Song Liu Karthik Pattabiraman Thomas Moscibroda Benjamin G. Zorn. Motivation: Smartphones. Smartphones becoming ubiquitous. Responsiveness is important. Refreshing DRAM can drain the battery even when idle.

616 views • 28 slides

EE121 John Wakerly Lecture #14

EE121 John Wakerly Lecture #14. Read-only memories (review) Static read/write memories Dynamic read/write memories. Read-Only Memories. Program storage Boot ROM for personal computers Complete application storage for embedded systems. Two-dimensional decoding. Larger example, 32Kx8 ROM.

586 views • 28 slides

COMP541 Memories II: DRAMs

389 views • 26 slides

Memory - 2

Memory - 2. Memory. The internal structure of the ICs ROM Types and RAM. Memory Types. How a ROM works. A 128 x 1 ROM. The basic structure. Larger Array Sizes. Arranged in blocks. Commercial ROM Types. Table 9-5 Type Tech ReadCyc WrCyc Comments

379 views • 20 slides

Optimizing Power and Energy

Optimizing Power and Energy. Lei Fan, Martyn Romanko. Motivation. 31% of TCO attributed to power and cooling Intermittent power constraints Renewable energy Grid balancing 20% - 30% utilization on average Green: good for the environment Green: saves money. Themes.

243 views • 13 slides