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Spill Code Minimization via Interference Region Spilling

by Peter Bergner, Peter Dahl, David Engebretsen, Matthew O'Keefe - in SIGPLAN Conference on Programming Language Design and Implementation , 1997
"... Many optimizing compilers perform global register allocation using a Chaitin-style graph coloring algorithm. Live ranges that cannot be allocated to registers are spilled to memory. The amount of code required to spill the live range depends on the spilling heuristic used. Chaitin's spilling he ..."
Abstract - Cited by 41 (1 self) - Add to MetaCart
heuristic offers some guidance in reducing the amount of spill code produced. However, this heuristic does not allow the partial spilling of live ranges and the reduction in spill code is limited to a local level. In this paper, we present a global technique called interference region spilling that improves

the Deepwater Horizon Oil Spill in the Gulf of

by unknown authors
"... ABSTRACT: The Deepwater Horizon oil spill produced large subsurface plumes of dispersed oil and gas in the Gulf of Mexico that stimulated growth of psychrophilic, hydrocarbon degrading bacteria. We tracked succession of plume bacteria before, during and after the 83-day spill to determine the microb ..."
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-alkanes and cycloalkanes at depth and corresponded with dominance by Oceanospirillaceae and Pseudomonas. Once partial capture of oil and gas began 43 days into the spill, petroleum hydrocarbons decreased, the fraction of aromatic hydrocarbons increased, and Colwellia, Cycloclasticus, and Pseudoalteromonas increased

Optimal and Heuristic Global Code Motion for Minimal Spilling

by Gergö Barany, Andreas Krall
"... Abstract. The interaction of register allocation and instruction scheduling is a well-studied problem: Certain ways of arranging instructions within basic blocks reduce overlaps of live ranges, leading to the insertion of less costly spill code. However, there is little previous research on the exte ..."
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Abstract. The interaction of register allocation and instruction scheduling is a well-studied problem: Certain ways of arranging instructions within basic blocks reduce overlaps of live ranges, leading to the insertion of less costly spill code. However, there is little previous research

Soil Microarthropods in A Secondary Rainforest, Rivers State, Nigeria -III-Partial Recovery after an Oil Spill

by Tambeke N Gbarakoro , Samuel N Okiwelu , Odidika C Umeozor , Adetola Badejo
"... Abstract Investigations were undertaken at 4 habitat-types (unpolluted, oil-polluted 1year, 3 and 6 years pre-study) in a secondary rainforest, Nigeria, to determine trends in the natural recovery of soil micro-arthropods (mites and Collembolan) in the polluted habitats. Soil samples were taken mon ..."
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the oil spill, 5 Oribatid species and the Mesostigmata, Uropopidae spp never recovered. The Collembolan sp Hypogastina, absent from the habitat, polluted 1 year pre-study, re-colonized the habitat, polluted 3 years pre-study. There were significant positive correlations between total mite and collembolan

Simulating the fate of an oil spill near coastal zones: The case of a spill (from a power plant) at the Greek Island of Lesvos. Environmental Modelling and Software

by J Papadimitrakis , M Psaltaki , M Christolis , N C Markatos , 2006
"... Abstract This paper presents a deterministic mathematical model, which simulates the time-dependent behavior of an oil spill near coastal zones. The model solves the full set of partial-differential equations that govern transient, two-phase, turbulent flow and heat/mass transfer phenomena. It is u ..."
Abstract - Cited by 1 (0 self) - Add to MetaCart
Abstract This paper presents a deterministic mathematical model, which simulates the time-dependent behavior of an oil spill near coastal zones. The model solves the full set of partial-differential equations that govern transient, two-phase, turbulent flow and heat/mass transfer phenomena

CONTAINMENT OF SPILLED PETROLEUM IN SOIL USING ACTIVATED COAL 1

by Terril E. Wilson, Debasmita Misra, Wei Zhou, Abhijit D
"... Abstract. Investigation to determine the feasibility of containment of spilled petroleum in soil or near surface mineral matter, using finely-divided, heatactivated sub-bituminous coal as a sorbent and binder, has begun. Cylindrical samples (75mm diameter x 150 mm height) prepared separately from or ..."
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Abstract. Investigation to determine the feasibility of containment of spilled petroleum in soil or near surface mineral matter, using finely-divided, heatactivated sub-bituminous coal as a sorbent and binder, has begun. Cylindrical samples (75mm diameter x 150 mm height) prepared separately from

Image Segmentation Using Active Contour Model and Level Set Method Applied to Detect Oil Spills

by M. Airouche, L. Bentabet, M. Zelmat
"... Abstract — In this paper we explore image segmentation using active contours model to detect oil spills. A partial differential equation based level set method, which represents the spill surface as an implicit propagation interface, is used. Starting from an initial estimation with priori informati ..."
Abstract - Cited by 6 (0 self) - Add to MetaCart
Abstract — In this paper we explore image segmentation using active contours model to detect oil spills. A partial differential equation based level set method, which represents the spill surface as an implicit propagation interface, is used. Starting from an initial estimation with priori

Achieving High Output Quality under Limited Resources through Structure-based Spilling in XML Streams

by Mingzhu Wei, Elke A. Rundensteiner, Murali Mani
"... Because of high volumes and unpredictable arrival rates, stream processing systems are not always able to keep up with input data- resulting in buffer overflow and uncontrolled loss of data. To produce eventually complete results, load spilling, which pushes some fractions of data to disks temporari ..."
Abstract - Cited by 3 (0 self) - Add to MetaCart
temporarily, is commonly employed in relational stream engines. In this work, we now introduce “structurebased spilling”, a spilling technique customized for XML streams by considering the partial spillage of possibly complex XML elements. Such structure-based spilling brings new challenges. When a path

Oil company annual report disclosure responses to the 2010 Gulf of Mexico oil spill

by Kimberley Summerhays, Charl De Villiers
"... This paper analyses the annual report disclosures of the other six largest oil companies in reaction to the 2010 Gulf of Mexico oil spill. It focusses on changes in disclosures that can be ascribed to the oil spill. The companies all increased their environmental disclosures, with positive disclosur ..."
Abstract - Cited by 2 (0 self) - Add to MetaCart
This paper analyses the annual report disclosures of the other six largest oil companies in reaction to the 2010 Gulf of Mexico oil spill. It focusses on changes in disclosures that can be ascribed to the oil spill. The companies all increased their environmental disclosures, with positive

ESTIMATES OF OIL SPILL DISPERSION EXTENT IN THE NEARSHORE ALASKAN BEAUFORT SEA BASED ON IN-SITU OCEANOGRAPHIC MEASUREMENTS

by Seth L. Danielson, Thomas J. Weingartner, Prepared For The , 2007
"... 99516-2617 This page intentionally left blank. This report describes analyses designed to estimate the distance and direction an oceanic oil spill could travel during each of the two primary circulation regimes found in the near-shore Beaufort Sea: 1) under landfast ice during winter and 2) in open ..."
Abstract - Cited by 1 (1 self) - Add to MetaCart
water or partial ice cover during summer. This information will aid the Alaska Department of Environmental Conservation (ADEC) in oil spill response planning. Year-round measurements were made at six separate nearshore sites over the course of five calendar years, for a total of 14 instrument
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