Manipulation of high-precision voxel volume at interactive speed is still not immediately possible by known algorithms on today’s workstation hardware. We propose to decompose a voxel-based modeling system into layers. The concept opens the possibility to apply less precise but fast algorithms of manipulation and rendering, but also to produce voxelmodels at the higher precision possibly requir...

In this paper, we characterize application performance with a "memory-centric" view. Using a simple strategy and performance data measured on actual machines, we model the performance of a simple memory hierarchy and infer the contribution of each level in the memory system to an application's overall cycles per instruction (cpi). Included are results affirming the usefulness of the memory mode...

We present a new facility for cross-address space IPC that exploits queues in memory shared between the client and server address space. The facility employs only widely available operating system mechanisms, and is hence easily portable to different commercial operating systems. It incorporates blocking semantics to avoid wasting processor cycles, and still achieves almost twice the throughput...

Crop plants are negatively affected by heavy metals. Chromium is also a metal that harms crops. This study aims to examine the effects of several chromium treatments on germination and physiological processes barley seedlings. A Petri culture experiment was performed accomplish this purpose. In experiment, sterilized seeds were sown in dishes lined with Whatman No. 1 filter paper triplicate. Fi...

JEL classification: C65 D81 Q23 Q57 This paper provides a review of research contributions on forest management and planning using multicriteria decision making (MCDM) based on an exhaustive literature survey. The review primarily focuses on the application aspects highlighting theoretical underpinnings and controversies. It also examines the nature of the problems addressed and incorporation o...

Genetic interaction screens have aided our understanding of complex genetic traits, diseases, and biological pathways. However, approaches for synthetic genetic analysis with null-alleles in metazoans have not been feasible. Here, we present a CRISPR/Cas9-based Synthetic Genetic Interaction (CRISPR-SGI) approach enabling systematic double-mutant generation. Applying this technique in Caenorhabd...

The rapidly increasing number of cores in modern microprocessors is pushing the current high performance computing (HPC) systems into the petascale and exascale era. The hybrid nature of these systems—distributed memory across nodes and shared memory with non-uniform memory access within each node—poses a challenge to application developers. In this paper, we study a hybrid approach to programm...

The ONYX program is designed to fill the need for planning in application areas where traditional planning methodology is difficult to apply. While the program being developed will assist with the planning of cancer therapy, its architecture is intended to be of use whenever goals are ill-specified, plan operators have uncertain effects, or tradeoffs and unresolvable conflicts occur between goa...

In this paper, we present an algorithm and a system to perform dynamic view dependent simplification of large geographical maps through a novel use of graphics hardware. Given a map as a collection of non-intersecting chains and a tolerance parameter for each chain, we produce a simplified map that resembles the original map, satisfying the condition that the distance between each point on the ...