Publications related to Virtual 8086 mode

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As part of the UEFI standard, System Management Mode (SMM) was introduced on x86 processors to handle critical hardware events. With strict access control to this operating mode, SMM applications run at a high privilege level (known as Ring-2), in which they have (almost) unlimited access to system resources. However, vendors commonly use memory-unsafe system programming languages to develop SMM applications, which makes them vulnerable to memory corruption and an appealing target for attackers. Fuzzing is

Purpose Quantification of metabolite concentrations using MRS requires tissue‐dependent signal corrections. Accurate estimation of voxel tissue composition is therefore essential. Commonly used brain tissue segmentation tools differ in their algorithms and implementation, potentially introducing variability in MRS‐derived concentration estimates. This study investigates the impact and reliability of tissue segmentation on metabolite quantification. Methods Three segmentation tools (ANTs, FSL, SPM) were eval

In this work, an E-mode multichannel HEMT is demonstrated based on p-type NiO/SiO2 as a gate stack to form a junction tri-gate structure. NiO provides a high hole concentration ( approximate to 10(19) cm (-3) ), resulting in an effective depletion of electrons in the multiple 2DEG channels under the gate. A thin SiO2 layer acts as a sacrificial layer, preventing damage to the fins during NiO deposition. As a result, E-mode operation can be achieved with 3x-larger tri-gate fins, compared to SiO2 alone, with

Purpose Estimation of metabolite concentrations in brain magnetic resonance spectroscopy (MRS) requires correction for differences in tissue water content, relaxation properties, and the proportions of gray matter (GM), white matter (WM), and cerebrospinal fluid (CSF). Accurate knowledge of the relative proportions of these tissue classes within the volume of interest is therefore essential for reliable quantification. Commonly used brain segmentation tools differ in their algorithms, priors, and implementa

Recent experiments on Tokamak à Configuration Variable have made significant progress toward partial detachment of the outer divertor in neutral beam heated H-mode plasmas in conventional and alternative divertor configurations. The heating power required ...

Vibrational spectroscopy is a fundamental tool to investigate local atomic arrangements and the effect of the environment, provided that the spectral features can be correctly assigned. This can be challenging in experiments and simulations when double pea ...

We report the progress on a new computational technique for fully three-dimensional simulation of propagation of hydraulic fractures in the vicinity of a wellbore. One of the components of this technique is the boundary element code for modeling the elastic deformation of rock containing pressurized cracks developed previously by the first Author (see Nikolskiy, Mogilevskaya & Labuz, 2015). This code requires the use of only surface mesh, which facilitates its coupling with models of the fluid flow through

TCV is presently undergoing major heating upgrades, installing a neutral beam for direct ion heating and increasing the electron cyclotron(EC) power injected in X-mode at the third harmonic(X3). The neutral beam is under construction at BINP-Plasma LLC(Rus ...

In the foreseen upgrade of the Tokamak-a-Configuration-Variable (TCV) it is planned to add 3MW of additional RF power (3rd harmonic X-mode, X3, top-launch) to the present Electron Cyclotron (EC) system. With the upgrade of the EC-system, bringing the total EC power in X3-mode to 4.5MW, and the installation of 1 MW of neutral beam injection, a new avenue will be opened allowing the extensive study of H-mode physics in TCV. The envisaged new gyrotrons (lMW, 126GHz) are based on a minimum redesign of the 140 G

A method and apparatus to produce a net list of gates and Flip-Flops for one algorithm in order to find the best compromise between power consumption, speed and silicon surface by using a two step process. First the algorithm is written for a processor tha ...

The efﬁcient implementation of multimedia algorithms, for the ever increasing complexity of the speciﬁcations and the emergence of the new generation of processing platforms characterized by multicore and multicomponent parallel architectures, requires appropriate design space exploration procedures as preliminary step for any implementation. This paper describes a new platform aiming at supporting the algorithm and architecture co-exploration starting by a pure software speciﬁcation that is gradually trans

The first demonstration of electron-Bernstein-wave heating by double-mode conversion from the O to the X mode in an overdense H-mode tokamak plasma has been achieved in the Tokamak a` Configuration Variable device. This technique overcomes the upper densit ...

Semantic document annotation may be useful for many tasks. In particular, in the framework of the MDM project(http://www.issco.unige.ch/projects/im2/mdm/), topical annotation -- i.e. the annotation of document segments with tags identifying the topics discussed in the segments -- is used to enhance the retrieval of multimodal meeting records. Indeed, with such an annotation, meeting retrieval can integrate topics in the search criteria offered to the users. Contrarily to standard approaches to topic annotat

Recently at JET a pure helium campaign has been performed. The exploration of the density limit in L-mode limiter as well as L-mode and H-mode diverted plasmas was one of the main objectives. In L-mode plasmas the density can be increased until the total radiated power equals the heating power, hence the density limit is determined by a radiative collapse. When compared to deuterium plasmas the L-mode density limit in helium is twice as high. In H-mode no significant difference in the density limit process

Experiments are conducted on JET to assess the potential for plasma diagnostic spectroscopy and mode stability control, of Alfven eigenmodes (AEs), excited by external antennas and by energetic particles. Information on the time evolution of the nonmonotonic current profile in advanced scenarios can be obtained from the frequency and mode number. of AEs driven by energetic particles. The appearance of a rational surface associated with a minimum value in the safety factor profile can be inferred with a time

Virtual 8086 mode

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SmuFuzz: Enable Deep System Management Mode Fuzzing in Fully Featured UEFI Runtime Environment

The Impact and Reliability of Tissue Segmentation on In Vivo Magnetic Resonance Spectroscopy Metabolite Quantification

2.7 Kv E-mode Multichannel Gan-on-si Based on P-type Nio/sio2 Junction Tri-gate

Benchmarking the Impact of Anatomical Segmentation on In Vivo Magnetic Resonance Spectroscopy

Progress toward divertor detachment on TCV within H-mode operating parameters

Fermi resonance in CO2: Mode assignment and quantum nuclear effects from first principles molecular dynamics

Simulating fully three-dimensional pressurized fracture propagation

TCV heating and in-vessel upgrades for addressing DEMO physics issues

Millimeter Wave System Upgrades On TCV: Additional X3 Power And Fast ECE Polarizers

System for generating computer processor

A co-design platform for Algorithm/Architecture design exploration

Demonstration of Electron-Bernstein-Wave Heating in a Tokamak via O-X-B Double-Mode Conversion

Thematic Annotation: extracting concepts out of documents

Density limits in helium plasmas at JET

Diagnosis and study of Alfven eigenmodes stability in JET (invited)