tag: direct memory access

PIO on Current HW Outperforms DMA Over a Range of Payload Sizes In A Number of Different Applications (ETH Zurich)
By Technical Paper Link - 11 Oct, 2024 - Comments: 0

A new technical paper titled "Rethinking Programmed I/O for Fast Devices, Cheap Cores, and Coherent Interconnects" was published by researchers at ETH Zurich. Abstract: "Conventional wisdom holds that an efficient interface between an OS running on a CPU and a high-bandwidth I/O device should be based on Direct Memory Access (DMA), descriptor rings, and interrupts: DMA offloads transfers fr... » read more

Pinpointing Timing Delays in Complex SoCs
By Anne Meixner - 11 Jul, 2023 - Comments: 0

Telemetry circuits are becoming a necessity in complex heterogeneous chips and packages to show how these devices are behaving post-production, but fusing together relevant data to identify the sources of problems adds its own set of challenges. In the past, engineering teams could build margin into chips to offset any type of variation. But at advanced nodes and in advanced packages, tolera... » read more

Accelerating Simulation Of PCIe Controllers For DMA Applications
By Akshay Sarup - 10 Sep, 2020 - Comments: 0

For memory-intensive and high-performance computing, direct memory access (DMA) is indispensable. A typical DMA operation in PCI Express (PCIe) entails the transfer of data from the system memory to end point devices using a point-to-point PCIe bus to reduce latency and increase memory access throughput between the CPU and the device. Verification of DMA engines is concentrated on the data t... » read more

Meeting ISO 26262 Requirements Using Tessent IC Test Solutions
By Mentor, a Siemens Business - 08 Jul, 2019 - Comments: 0

As the industry moves towards greater automation in vehicles, suppliers of the ICs used to drive the automotive electronic systems are rapidly adopting solutions to meet ISO 26262 requirements. The Tessent family of IC test products offers the highest defect coverage, in-system non-destructive memory test, hybrid ATPG/Logic BIST, and analog test coverage measurement. These technologies add up t... » read more

Balancing Performance And Energy Consumption For IoT Applications Processors
By Angela Raucher - 13 Oct, 2016 - Comments: 0

Processor requirements in IoT applications continue to grow to support more human interaction. Functions such as detecting speech and faces or delivering a voice message are being added to existing tasks the processors already perform such as system communication and control. Since these applications operate from batteries with defined size and life expectations, not only is the energy consumpt... » read more

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