When you use regular locks (mutexes, critical sections etc), operating system puts your thread in the WAIT state and it by scheduling other threads on the same core. This has a performance penalty if the wait time is really short, because your thread now has to wait for a preemption to receive CPU time again.Besides, kernel objects are not available in every state of the kernel, such as in an interrupt handler or when paging is not available etc.Spinlocks don't cause preemption but wait in a loop ('spin') till the other core releases the lock. This prevents the thread from losing its and continue as soon as the lock gets released. The simple mechanism of spinlocks allow a kernel to utilize it in almost any state.That's why on a single core machine a spinlock is simply a 'disable interrupts' or 'raise IRQL' which prevents thread scheduling completely.Spinlocks ultimately allow kernels to avoid 'Big Kernel Lock's (a lock acquired when core enters kernel and released at the exit) and have granular locking over kernel primitives, causing better multi-processing on multi-core machines thus better performance.EDIT: A question came up: 'Does that mean I should use spinlocks wherever possible?'
Perfect Photo Suite Premium Edition includes all of the onOne Software products and works with Adobe Photoshop, Lightroom and Aperture. All seven of the products in the suite even work as standalone applications now. What’s new in onOne Perfect Photo Suite 9: Perfect Photo Suite 9 is packed full of new features! Rumored Perfect Photo Suite 10 Release Date Here’s a look at the Perfect Photo Suite release date history: Perfect Photo Suite 9.5 – Released on April 13, 2015 (this is a free upgrade to those on version 9.0).
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This project has been replaced by the LI2 Mod Manager. Only use if you want a simple version of this program.LEGO-Island-2-PatcherThis tool will allow users to easily apply patches to the PC game LEGO Island 2: The Brickster's Revenge.!!! This only works with the English version of the game. Also, some patches may not work depending on which revision of the game you have.It supports the following patches:-Load Time Fix-Windowed Mode-Replace credits option with Level Select-Force /force command line-Disable (or make skippable) the LEGO Software logo-Disable (or force unskippable) the Silicon Dreams logo-Disable (or force unskippable) the intro videoNote: This program will automatically make a backup of your LEGO Island 2.exe file. Do not delete it, as it is used to remove patches.#InstallationDownload the latest release:Unzip, and place into your LEGO Island 2 installation folder. (Where your LEGO Island 2.exe file is located.)Run it, choose your patches and click 'Apply'.Note: Do NOT delete the 'LEGO Island 2.exe.backup' file. It is needed to undo patches.#CreditsIran: Researching and discovering these patchesMumboking: Finding the hex offset values for the game's executable fileGo.
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This post was last updated on July 2, 2019Are you considering buying the X Pole A-Frame? It is supposedly the gold standard, the best freestanding aerial rig available at the moment. But does it live up to the hype? Let’s find out.X Pole is a well-known company who originally made pole dancing poles for pole dance fitness. They’ve now expanded their product range to include an innovative ‘A’ Frame, which is suitable for aerial yoga, aerial hoop (Lyra hoop) and low aerial silks. It is a freestanding frame, which means that you can use it without the need for ceiling fixtures, both indoors and outdoors.The X Pole A-Frame is a freestanding aerial rig.
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Figure 12: Example R-VPX Evolution Backplane Typical High Speed Differential Routing Ground Plane. Figure 13: Option 1 Elongated Rectangular. HIGH SPEED ROUTING, LLC has been set up 4/22/2016 in state NH. The current status of the business is Inactive. The HIGH SPEED ROUTING, LLC principal address is 12165 49TH ST N UNIT C, CLEARWATER, FL, 33762.
SmartNICs solve both the performance problem and the security problem of edge-centric policy models.This tutorial will cover the architecture, principles of operation, and development flow of the Mellanox BlueField SmartNIC. The tutorial will include examples showing the difference between a NIC and a SmartNIC packet flow manipulation within the SmartNIC basic security operations and offloads security orchestration and policy enforcement. Date and TimeTuesday, June 19th, from 15:30 to 17:30 Speaker’s BioJack Matheson is a principal architect at Mellanox Technologies, where he is responsible for the development of technology to make data-centers more secure. For 15 years, he has been building software/hardware hybrid solutions to help accelerate and secure workloads – most recently at McAfee, where he was the chief cloud architect for enterprise security, and Intel, as the software architect for cloud identity.
Bruce Maggs received the S.B., S.M., and Ph.D. Degrees in Computer Science from the Massachusetts Institute of Technology (MIT) in 1985, 1986, and 1989, respectively. His advisor was Charles Leiserson. After spending one year as a Post-doctoral Associate at MIT, he worked at NEC Research Institute in Princeton from 1990 to 1993. In 1994, he moved to Carnegie Mellon, where he stayed until 2009. While on a two-year leave-of-absence from Carnegie Mellon, Maggs helped launch Akamai Technologies, serving as its first Vice President for Research and Development.
He retains a part-time role at Akamai as Vice President for Research. Maggs is now is the Pelham Wilder Professor of Computer Science at Duke University.Maggs’s research focuses on networking, distributed systems, and security.
In 1986, he became the first winner (with Charles Leiserson) of the Daniel L. Slotnick Award for Most Original Paper at the International Conference on Parallel Processing, and in 1994 he received an NSF National Young Investigator Award. He was co-chair of the 1993-1994 DIMACS Special Year on Massively Parallel Computation and has served on the steering committees for the ACM Symposium on Parallel Algorithms and Architectures (SPAA), the ACM Internet Measurement Conference (IMC), and the ACM HotNets Conference.
He has served on the program committees of numerous conferences including STOC, SODA, PODC, NSDI, and SIGCOMM. In 2017 he was a co-recipient of the IEEE Cybersecurity Innovation Award, a Distinguished Paper Award at USENIX Security, the Best Dataset Award at the Passive and Active Measurement Conference, and the Best Paper Award at CoNEXT. Raj Jain is currently the Cox Professor of Computer Science and Engineering at Washington University in St. Jain is Fellow of IEEE, ACM and AAAS, and winner of multiple awards, such as 2017 ACM SIGCOMM Life-Time Achievement Award, 2015 A. Michelson Award, 2006 ACM SIGCOMM Test of Time Award, 2009 CDAC ACCS Foundation Award, 2014 IISc Distinguished Alumnus Award, 2008 WiMAX Forum Individual Contribution Award, and ranks among the Most Cited Authors in Computer Science. Previously, he was one of the co-founders of Nayna Networks, a next generation telecommunications systems company in San Jose, CA. He was a Senior Consulting Engineer at DEC and then a professor of Computer and Information Sciences at Ohio State University. He is the author of “Art of Computer Systems Performance Analysis,” which won the 1991 “Best-Advanced How-to Book, Systems” Award from Computer Press Association. His forth book entitled ” High-Performance TCP/IP: Concepts, Issues, and Solutions” was published by Prentice Hall in November 2003.
He has co-edited “Quality of Service Architectures for Wireless Networks: Performance Metrics and Management,” published in April 2010. Further information about Dr. Jain including all his publications can be found at. A detailed CV and a detailed biography are available at. Dhabaleswar K.
(DK) Panda is a Professor and Distinguished Scholar of Computer Science at the Ohio State University and a Fellow of IEEE. His research includes parallel computer architecture, high-performance networking, InfiniBand, network-based computing, exascale computing, programming models, GPUs and accelerators, high-performance file systems and storage, virtualization and cloud computing and Big Data. He has published over 400 papers in major journals and conferences. Dr. Panda leads the.
Members of his group have obtained a large number of. Students and staff members of this group are involved in multiple. Panda and his research group members have been doing extensive research on modern networking technologies including InfiniBand, Omni-Path, iWARP and RoCE. His research group is currently collaborating with national laboratories and leading InfiniBand, Omni-Path, iWARP and RoCE companies. The (High Performance MPI and MPI+PGAS over InfiniBand, iWARP and RoCE with support for GPGPUs, Xeon Phis and Virtualization) software libraries, developed by his research group, are currently being used by more than 2,850 organizations in 85 countries. Multiple software libraries for Big Data processing and management, designed and developed by the group under the (HiBD) project are available. The group has also been focusing on co-designing Deep Learning Frameworks and MPI Libraries.
A high-performance and scalable version of the Caffe framework is available from (HiDL) project site. Panda’s research is supported by funding from US NSF, DoE, Ohio Board of Regents and several companies including IBM, Intel, Cisco, Cray, SUN, Mellanox, Microsoft, NVIDIA, QLogic and NetApp. Further information about Dr.
Panda can be found at:, and . Submitted papers must be unpublished and should not be submitted elsewhere at the same time.
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All submitted papers will be subject to three independent reviews.To be published in the IEEE HPSR 2018 Conference Proceedings and to be eligible for publication in IEEE Xplore ®, an author of an accepted paper is required to register for the conference at the full (member or non-member) rate and the paper must be presented by an author of that paper at the conference unless the TPC Chairs grant permission for a substitute presenter arranged in advance of the event and who is qualified both to present and answer questions. Non-refundable registration fees must be paid prior to uploading the final IEEE formatted, publication-ready version of the paper. For authors with multiple accepted papers, one full registration is valid for up to 2 papers.
IEEE and IEEE Communications Society PoliciesTo ensure appropriate consideration of conflicts of interest during the review process, the ComSoc prohibits changes to the list of authors once a paper has been submitted for review during review, revision, or (if accepted) final publication. The author list may be changed only prior to the submission deadline.IEEE HPSR 2018 uses the system for paper submission. Papers shall be submitted as PDF files. Paper submission website:.Important Dates. Paper submission due: March 2, 2018 March 19, 2018, 9:00 AM CET (extended). Acceptance notifications: April 25, 2018.
Final version submission deadline: May 15, 2018. Author registration (discounted fees): May 31, 2018.
Author registration deadline: May 31, 2018. Conference date: June 17-20, 2018. TitleToward Flexible and Efficient In-Kernel Network Function Chaining with IOVisor AbstractThe eBPF Linux module, which represents the main component of the IOVisor technology, became part of the Linux kernel in 2013.
I would like to get suggestions from all the high speed PCB layout experts on my PCB design.I have a board with HDMI transmitter IC whose output is going to HDMI switch IC. The switch IC also has an HDMI input coming from a HDMI connector.The output from switch IC also goes to HDMI connector as well. So its a 2:1 switch.The switch IC seems to works fine and it switches when enabled. On the HDMI transmitter IC side, my HDMI output only works on TV or displays which are.
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