memory bandwidth

ZDNet Resources

• sort by:
• Relevance
• Date
• Popularity

Multicore chips leave software trailing, warns Gartner

Multicore chips leave software trailing, warns GartnerDump Multithreading Now!The powers that be at Intel, AMD, IBM, Sun, HP and the other leaders in multicore processor technology know that multithreading is not part of the future of multicore computing. In fact, multithreading is the reason for the parallel programming crisis. Fortunately,...

Tags: Processors, memory bandwidth problem, multi-core processor, Gartner Inc., memory bandwidth, programming, chip, software

Discussion threads 2009-01-28

The many-core performance wall

Many-core chips are the great hope for more performance but Sandia National Lab simulations show they are about to hit a memory wall. How bad is it? Some background Memory bandwidth is the limiting performance factor in CPUs. If you can't feed the beast it stops...

Tags: DRAM, Performance, Memory Bandwidth, Microprocessor, Chip, Wall, Sandia National Lab, Memory Wall, Performance Management, Semiconductors, Processors, Human Resources, Workforce Management, Hardware, Components, Robin Harris

Blog posts 2008-12-11

Merits of Data Reuse Hints

Traditionally, much of the I/O system architecture and design was done with assumption that I/O data rates and latencies are very large when compared to throughput and latencies observed inside a CPU core or the memory subsystem. This has changed with the advent of higher data rates, for example 10...

Tags: Latency, I/O, Memory Bandwidth, CPU

White papers 2008-08-01

yCPUBench 0.9 (Mobile)

yCPUBench is benchmarking utility. yCPUBench can measure an OS 5 handhelds native ARM CPU's performance using ARM-pnolets, as well being able to measuring 68k PACE emulated performance for comparison. Includes floating point math performance megaflops and memory bandwidth tests.

Tags: Performance, Mobile, Benchmarking, Memory Bandwidth, HotPaw, yCPUBench, Performance Management, Human Resources, Workforce Management

Software downloads 2008-07-18

A comparison of quad-core server CPUs

For anyone looking to buy a workstation or server CPU, quad-core CPUs have become mainstream. Therefore it's important to know what you're getting for the money so I've compiled a chart with general purpose computing performance using the SPEC CPU database with the highest scores as of December 28,...

Tags: Quad-core, Memory Bandwidth, Server, Dual Processor, Advanced Micro Devices Inc., CPU, Intel Corp., Chip, TLB, SPECint, SPECfp, Processors, Semiconductors, Hardware, Components, George Ou

Blog posts 2008-01-02

Efficient Use of Memory Bandwidth to Improve Network Processor Throughput

This paper considers the efficiency of packet buffers used in packet switches built using Network Processors NPs. Packet buffers are typically implemented using DRAM, which provides plentiful buffering at a reasonable cost. The problem addressed in this paper is that a typical NP workload may be unable to utilize the...

Tags: Processor, Bandwidth, DRAM, Network, Memory Bandwidth, Packet Buffer, Memory, Routers & Switches, Semiconductors, Hardware, Components, Networking

White papers 2008-01-01

Scheduling to Overcome the Multi-Core Memory Bandwidth Bottleneck

Need more compute servers but don't have room for them? Or maybe one doesn't have enough electrical capacity to feed them, or enough cooling capacity? One is not alone. Multi-core processors may be the solution. However, while multi-core processors may solve many of the problems associated with compute cluster sprawl,...

Tags: Multi-core Processor, Memory Bandwidth, Multi-core, Processors, Semiconductors, Hardware, Components

White papers 2007-11-01

Package Technology to Address the Memory Bandwidth Challenge for Tera-Scale Computing

Tera-scale computing stresses the platform architecture with memory bandwidth being a likely bottleneck to processor performance that presents unique challenges to CPU packaging. This paper describes the evolution in packaging technology with each processor generation to meet increasing memory bandwidth needs and the revolution in package technology required for tera-scale...

Tags: Performance, Memory Bandwidth, Computing, Performance Management, Processors, Human Resources, Workforce Management, Semiconductors, Hardware, Components

White papers 2007-08-22

Intelligent Packet Discard Policies for Improved TCP Queue Management

Recent studies have shown that suitably-designed packet discard policies can dramatically improve the performance of fair queueing mechanisms in internet routers. The Queue State Deficit Round Robin algorithm QSDRR preferentially discards from long queues, but introduces hysteresis into the discard policy to minimize synchronization among TCP flows. QSDRR provides higher...

Tags: Packet, Memory Bandwidth, TCP, QSDRR, Tcp/Ip, Networking

White papers 2007-01-01

ASUS Extreme AX800 XT Platinum Edition 6.14.10.6476 (Windows)

ASUS Extreme AX800 XT Platinum Edition equips with newest ASUS-specific award-winning features and ATI®'s Radeon™ X800 XT Platinum Edition Visual Processing Unit VPU, which owns both ultimate excellent cinematic resolution and fierce graphics computing power. Features: SMARTSHADER™ enables pixel and vertex programmable shaders, providing the most complex and realistic texture...

Tags: ASUS, Memory Bandwidth, Microsoft Windows, ATI Technologies Inc., ASUS Extreme AX800 XT Platinum Edition

Software downloads 2004-09-09

ASUS Extreme AX800 XT Platinum Edition Secondary 6.14.10.6476 (Windows)

ASUS Extreme AX800 XT Platinum Edition Secondary equips with newest ASUS-specific award-winning features and ATI®'s Radeon™ X800 XT Platinum Edition Visual Processing Unit VPU, which owns both ultimate excellent cinematic resolution and fierce graphics computing power. Features: SMARTSHADER™ enables pixel and vertex programmable shaders, providing the most complex and realistic...

Tags: ASUS, Memory Bandwidth, Microsoft Windows, ATI Technologies Inc., ASUS Extreme AX800 XT Platinum Edition Secondary

Software downloads 2004-08-12

ASUS AX800 XT Platinum Edition Secondary 6.14.10.6451 (Windows)

ASUS AX800 XT Platinum Edition Secondary equips with newest ASUS-specific award-winning features and ATI's Radeon X800 XT Platinum Edition Visual Processing Unit VPU, which owns both ultimate excellent cinematic resolution and fierce graphics computing power. Features: SMARTSHADER enables pixel and vertex programmable shaders, providing the most complex and realistic texture...

Tags: ASUS, Memory Bandwidth, Microsoft Windows, ATI Technologies Inc., ASUS AX800 XT Platinum Edition Secondary

Software downloads 2004-06-09

ASUS AX800 XT Platinum Edition 6.14.10.6451 (Windows)

ASUS Extreme AX800 XT Platinum Edition equips with newest ASUS-specific award-winning features and ATI's Radeon X800 XT Platinum Edition Visual Processing Unit VPU, which owns both ultimate excellent cinematic resolution and fierce graphics computing power. Features: SMARTSHADER enables pixel and vertex programmable shaders, providing the most complex and realistic texture...

Tags: ASUS, Memory Bandwidth, Microsoft Windows, ATI Technologies Inc., ASUS Extreme AX800 XT Platinum Edition

Software downloads 2004-05-15

Diamond S60 32MB DDR Radeon 7000 PCI 6.14.10.6436 (Windows)

Diamond S60 32MB DDR Radeon 7000 PCI delivers enhanced 3D and 2D graphics performance for today's demanding games and applications. Powered by the RADEON¨ 7000 graphics processor and with DDR Memory, the Stealth S60 features HYPER Z technology to increase effective memory bandwidth and PIXEL TAPESTRY¨ for fast image rendering....

Tags: 2D, Memory Bandwidth, Microsoft Windows, Video, ATI Technologies Inc., Corporate Communications, Marketing

Software downloads 2004-04-07

Radeon 7000 (Microsoft Corporation) 6.14.10.6462 (Windows)

RADEON 7000 features HYPER Z™ technology to increase effective memory bandwidth and PIXEL TAPESTRY™ for fast image rendering. Features: HYDRAVISION™ Multiple Monitor Management Software gives you flexible multi-display support to enable many combinations of VGA, DVI and TV. ATI HYPER Z™ technology reduces memory bandwidth consumption resulting in improved 3D...

Tags: Memory Bandwidth, Microsoft Windows, Microsoft Corp., ATI Technologies Inc., DirectX, Radeon

Software downloads 2004-03-23

Radeon 7000 (Microsoft Corporation) 6.14.10.6462 (Windows)

RADEON 7000 features HYPER Z™ technology to increase effective memory bandwidth and PIXEL TAPESTRY™ for fast image rendering. Features: HYDRAVISION™ Multiple Monitor Management Software gives you flexible multi-display support to enable many combinations of VGA, DVI and TV. ATI HYPER Z™ technology reduces memory bandwidth consumption resulting in improved 3D...

Tags: Memory Bandwidth, Microsoft Windows, Microsoft Corp., ATI Technologies Inc., DirectX, Radeon

Software downloads 2004-03-23

ATI MOBILITY RADEON 7500 6.14.10.6422 (Windows)

ATI MOBILITY RADEON 7500 delivers the fastest 3D graphics performance ever seen for notebook computers. MOBILITY RADEON 7500 supports 128-bit double data rate DDR memory as well as RADEON HyperZ technology, giving MOBILITY RADEON 7500 significant improvements in the memory bandwidth limitations common in current mobile graphics solutions.

Tags: Memory Bandwidth, Microsoft Windows, ATI Technologies Inc., Radeon, ATI MOBILITY RADEON 7500

Software downloads 2004-02-10

RADEON 7000 SERIES 6.14.10.6414 (Windows)

RADEON 7000 SERIES 7000 features HYPER Z™ technology to increase effective memory bandwidth and PIXEL TAPESTRY™ for fast image rendering. Features: HYDRAVISION™ Multiple Monitor Management Software gives you flexible multi-display support to enable many combinations of VGA, DVI and TV. ATI HYPER Z™ technology reduces memory bandwidth consumption resulting in...

Tags: Memory Bandwidth, Microsoft Windows, ATI Technologies Inc., DirectX, Radeon

Software downloads 2004-01-19

Memory Bandwidth and the Performance of Scientific Applications: A Study of the AMD Opteron Processor

The goal of this paper is to evaluate the memory subsystem performance of the AMD Reference Design Kit RDK, "Quartet", a four-CPU system based on the AMD Opteron processor. This paper begins by discussing the unique features of the AMD Opteron processor's memory subsystem and the system architecture of the...

Tags: Performance, Memory Bandwidth, AMD Opteron, Advanced Micro Devices Inc., Processors, Semiconductors, Hardware, Components

White papers

Feedback Directed Prefetching: Improving the Performance and Bandwidth-Efficiency of Hardware Prefetchers

High performance processors employ hardware data prefetching to reduce the negative performance impact of large main memory latencies. While prefetching improves performance substantially on many programs, it can significantly reduce performance on others. Also, prefetching can significantly increase memory bandwidth requirements. This paper proposes a mechanism that incorporates dynamic feedback...

Tags: Performance, Memory Bandwidth, Hardware, Performance Management, Human Resources, Workforce Management

White papers