The Institutes of Energy and the Environment, in collaboration with Stewarding Our Planet's Resources, announced two separate community forums aimed at providing reports on existing energy and environmental activities and strategic opportunities as well as soliciting community input and recommendations for the future.

The Logitech C920 1080p webcam is back down to its Prime Day price, the 65-inch Vizio P-Series Quantum 4K TV is on sale for less than $1,000, and you can grab the new Dell Inspiron 15 5000 plus a $100 Visa prepaid card for just $600.

Today there are discounts on the Dell Insprion 15 5000 laptop, 12.9-inch iPad Pro, a few SSD and HDD storage devices, the second-generation AirPods, and more.

A research-practice partnership examines how urban after-school programs can support positive youth development.

With its stylish, mostly aluminum design and peppy everyday performance, the Dell Inspiron 13 5000 offers solid-enough ultraportable value. We'd just like a sunnier screen and roomier storage options.

Governor Markell signed House Bill 160 to permit shellfish aquaculture in Delaware's Inland Bays, allowing the state to reap the economic benefits of a multimillion dollar industry while improving water quality in the bays.

Poultry farmer Chris Lesniowski of Marydel has been recognized for his efforts to improve water quality and reduce nutrient runoff with the 2015 Delaware Environmental Stewardship Award.

Poultry farmers Ted Layton and Scott Willey have been recognized for their efforts to improve water quality and reduce nutrient runoff with the 2016 Delaware Environmental Stewardship Award.

Poultry farmers Randy and Jordan McCloskey were recognized during Delaware Ag Week for their efforts to improve water quality and reduce nutrient runoff with the 2017 Delaware Environmental Stewardship Award.

Poultry farmers John and Linda Brown were recognized during Delaware Ag Week for their efforts to improve water quality and reduce nutrient runoff with the 2018 Delaware Environmental Stewardship Award.

Agency: NAT Closing Date: 6/1/2020

The Department of Natural Resources and Environmental Control encourages Delawareans to take advantage of its robust collection of online resources.

DNREC filed in Delaware Superior Court on Monday to stop the Public Service Commission from freezing Delaware’s increasing standard for renewable energy.

Cognizant follows January-December as financial year. Its net profit was at USD 441 million in the March 2019 quarter.

Every department has aims and objectives, and the numbers are the focus of the Immigration Department in the UK. There is an opportunity to make this system fair but the focus needs to be away from strict control of borders. Boris Johnson, the PM has…

Notably, there are questions that he has raised which are not different from what Indians are already asking and discussing about between themselves.

Work From Home: Domestic interruptions or family and home-related tasks can be a massive deterrent for remote employees. For instance, cooking or organizing food, house help, and other chores can take a ton of time and energy.

EPA did not use conservative values for aquatic organisms in draft, Sacc says

Weeks of lockdown in the country to fight coronavirus may have reduced greenhouse gas emissions enabling people to breathe cleaner air and feast on blue skies, but it is only a temporary phase and will not benefit the environment in the long run.

Conservation - Conversation 

Winds are from the Variable at 6.9 gusting to 27.6 MPH (6 gusting to 24 KT). The pressure is 1006.1 mb and the humidity is 72%. The wind chill is 17. Last Updated on May 9 2020, 11:51 am EDT.

If college football is forced to play in the spring, it won't be the first time that has happened. You just have to go back to the 19th century.

Key findings: 5X to 32X faster low-power verification using Palladium XP emulation

It’s hot in July in Korea, and not just the temperature; the ideas, too. The ideas that flowed at CDNLive Korea were exciting, and that includes a very interesting talk by Jiyeon Park from the System LSI division of Samsung Electronics.  His talk, titled “Enabling Low-Power Verification using Cadence Palladium XP,” struck a chord with the audience and the highlights bear sharing in this forum. This blog captures some of the highlights from the public talk in Seoul this summer.

Motivation

If you are familiar with the breadth of the product lines at Samsung Electronics, you will appreciate the diversity of the end-market requirements that they must fulfill. These markets and products include:

Mobile/Handheld

• Smartphones
• Tablets
• Laptops

Consumer/Digital Home

• High-definition/ultra-high-definition TV
• Gaming consoles
• Computers 

Networking/Data Center

• Servers
• Switches
• Communications

What all of these markets have in common is that energy efficiency is now an integral and leading part of the value equation. For design teams, a good knowledge of power helps the evaluation and use of a host of critical decisions. From design architecture, IP make-versus-buy decisions, and manufacturing process selection, to the use of low-power design techniques, all are critically influenced by power.

Using simulation for low-power verification

Once the decision to overlay power reduction design techniques, such as power shutdown, has been made, new dimensions have been added to the already complex SoC verification task. The RTL verification environment is first augmented with a power intent file; in this case, IEEE 1801 was the format.  The inclusion of this power intent information enables the examination of power domain shutdown, isolation operations, proper retention, and level shifting.

Figure 1: Incisive SimVision power verification elements example

Low-power verification using emulation

Simulation for low-power verification works well, so why emulation? One word—complexity!  It is easy to forget that “design complexity” (usually measured in gates or transistors) is not that same as “verification complexity” (which is really hard to measure). Consider a design with four power domains, three of which are switchable and one that is switchable but also has high- and low-voltage states. That yields nine basic states, and 24 modes of operation to test. Although some of those modes may not be consequential, when paired with hundreds or even thousands of functional tests, you can begin to understand the impact of overlaying low power on the verification problem. Thus, it becomes very desirable to enlist the raw computational power of emulation.

Power off/on scenario on Palladium XP platform

A typical functional test would be augmented to include the power control signals. For power shutoff verification, for instance, the cycles for asserting isolation begin the sequence, followed by state retention, and then finally a power shutdown of the domain must be asserted to verify operation. The figure below calls out a number of checks that ought to be performed.

Figure 2: Power shutoff sequence and associated checks to make

IEEE 1801 support in Palladium XP platform

The IEEE 1801 support found in the Palladium PX platform includes some noteworthy capabilities, as well as some implications to the user. First is a patented memory randomization provided by the Palladium XP platform. This capability includes randomization of memory during shutdown and power up, control over read value during the power-off state, non-volatile memory state retention, and freezing of data on retention. The user should be aware there is about a 10%-20% capacity overhead associated with IEEE 1801-driven low-power verification.

Figure 3: Palladium low-power verification enables schedule improvement

Palladium low-power verification flow

The great thing about the emulation work flow for IEEE 1801 power verification is that the only change is to include that IEEE 1801 power intent file during the compilation stage!

Considerations for emulation environment bring-up

A Universal Verification Methodology (UVM) approach was taken by the Samsung team. This provides a unique structure to the testbench environment that is very conducive to a metric-driven methodology.  Using a testbench acceleration interface, teams can run the testbench on a software simulator and the design on the emulator. In addition, the formalism allows for the case of incomplete designs that do not hinder the verification of the parts that are completed.

Experimental results

The most exciting part of the paper was the results that were obtained. For a minor overhead cost in compile time and capacity, the team was able to improve runtimes of their tests by 5X to 32X. Being able run tests in a fraction of the time, or many more tests in the same time, has always been a benefit for emulation users. Now low-power verification is a proven part of the value provided to Palladium XP platform users.

Figure 4: Samsung low-power verification emulation results

Conclusions

The key conclusions found were:

• No modification was needed for IEEE 1801
• There is a small capacity and compile time overhead
• The emulation and simulation match
• The longer the test, the more the net speed up versus software simulation
• Run times improved from 5X to 32X!

With this flow in place, the teams has begun power-aware testing that includes firmware and software verification to go along with the hardware testing. This expansion enables more capability in optimization of the power architecture. In addition, they are seeing faster silicon bring-up in the context of an applied low-power strategy.

Steve Carlson

Grub2 has grub2-set-bootflag setuid in the new Fedora release and has the ability to corrupt the environment.

Cisco M1070 Content Security Management Appliance IronPort remote host header injection exploit.

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Cisco Content Security Virtual Appliance M380 IronPort remote cross site host modification demo exploit.

A buffer overflow in the CheckMonitor() function in the Common Desktop Environment 2.3.1 and earlier and 1.6 and earlier, as distributed with Oracle Solaris 10 1/13 (Update 11) and earlier, allows local users to gain root privileges via a long palette name passed to dtsession in a malicious .Xdefaults file. Note that Oracle Solaris CDE is based on the original CDE 1.x train, which is different from the CDE 2.x codebase that was later open sourced. Most notably, the vulnerable buffer in the Oracle Solaris CDE is stack-based, while in the open source version it is heap-based.

A buffer overflow in the _SanityCheck() function in the Common Desktop Environment version distributed with Oracle Solaris 10 1/13 (Update 11) and earlier allows local users to gain root privileges via a long calendar name or calendar owner passed to sdtcm_convert in a malicious calendar file. The open source version of CDE (based on the CDE 2.x codebase) is not affected, because it does not ship the vulnerable program. Versions 1.6 and below are affected.

A difficult to exploit stack-based buffer overflow in the _DtCreateDtDirs() function in the Common Desktop Environment version distributed with Oracle Solaris 10 1/13 (Update 11) and earlier may allow local users to corrupt memory and potentially execute arbitrary code in order to escalate privileges via a long X11 display name. The vulnerable function is located in the libDtSvc library and can be reached by executing the setuid program dtsession. Versions 2.3.1 and below as well as 1.6 and earlier are affected.

DOE released a final programmatic environmental impact statement for Hawaii to provide federal, state and county governments as well as the public and developers with a reference document for project-specific environmental reviews.

Brazil's Institute of the Environment and Natural Resources, Ibama, has decided not to award an environmental license for the Sao Luiz do Tapajos hydroelectric plant, effectively ending development of the controversial 8,000 MW project.

Brazil's Institute of the Environment and Natural Resources, Ibama, has decided not to award an environmental license for the Sao Luiz do Tapajos hydroelectric plant, effectively ending development of the controversial 8,000 MW project.

Genex Power Limited has secured all environmental approvals required to develop the 250-MW Kidston Pumped Storage Hydro Project (K2-Hydro).

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Suez Environnement, Europe’s second-biggest water company, and Chinese partners agreed to build an incinerator near Shanghai to treat hazardous and medical waste that will generate steam and supply energy.

U.S. electricity markets face years of higher prices as clean-air regulations shut more coal-fired power plants than earlier forecast, cutting supply and forcing producers to rely more on natural gas.

Sometimes it takes an elevated view to appreciate the big picture. NASA’s iconic “Blue Marble,” taken in 1972, helped inspire the modern environmental movement by capturing the finite and fragile nature of Earth for the first time. Today, aerial imagery from satellites and drones powers a range of efforts to monitor and protect our planet Read article >

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