This work aims to find out the full potential of compilation scheduling for JIT-based runtime systems. Compilation scheduling determines the order in which the compilation units (e.g., functions) in a program are to be compiled or recompiled. It decides when what versions of the units are ready to run, and hence affects performance. But it has been a largely overlooked direction in JIT-related ...

Our previous experience withan off-lineJava optimizer [6] has shown that some traditional algorithms used in compilers are too slow for a JIT compiler. In this paper we propose and implement faster ways of performing analyses needed for our optimizations. For instance we have replaced reaching definition with constant values and loop induction variables with loop-defined variables. As the resul...

The integration of the Just-In-Time (JIT) system with supply chain management has been attracting more and more attention recently. Within the processes of the JIT system, the upstream manufacturer is required to deliver products using smaller delivery lot sizes, at a higher delivery frequency. For the upstream manufacturer who adopts sea transportation to deliver products, a collaborative thir...

This thesis investigates the viability of trace-based just-in-time (JIT) compilation for optimising programs written in the lazy functional programming language Haskell. A trace-based JIT compiler optimises only execution paths through the program, which is in contrast to method-based compilers that optimise complete functions at a time. The potential advantages of this approach are shorter com...

Among the suite of commonly used backbone experiments, HNCACO presents an unresolved sensitivity limitation due to fast 13CO transverse relaxation and passive 13Calpha-13Cbeta coupling. Here, we present a high-sensitivity 'just-in-time' (JIT) HN(CA)CO pulse sequence that uniformly refocuses 13Calpha-13Cbeta coupling while collecting 13CO shifts in real time. Sensitivity comparisons of the 3-D J...

Despite numerous attempts to mitigate code-reuse attacks, Return-Oriented Programming (ROP) is still at the core of exploiting memory corruption vulnerabilities. Most notably, in JIT-ROP, an attacker dynamically searches for suitable gadgets in executable code pages, even if they have been randomized. JIT-ROP seemingly requires that (i) code is readable (to find gadgets at run time) and (ii) ex...

The unstable mutation bz-m039 arose in a maize (Zea mays) stock that originated from a plant infected with barley stripe mosaic virus. The instability of the mutation is caused by a 3.9-kb mobile element that has been named Jittery (Jit). Jit has terminal inverted repeats (TIRs) of 181 bp, causes a 9-bp direct duplication of the target site, and appears to excise autonomously. It is predicted t...

We are currently working on a new architecture for Java JIT compilers to allow coexistence of multiple, customized JIT compilers in a single Java VM simultaneously without prohibitive space or programming costs, called OpenJIT2. The project builds on the success of OpenJIT1, the rst open-ended JIT compiler for Java written in Java. Not only that our new architecture subsumes the so-called `bi-l...

In recent years, inventory management is continuous challenge for all organizations not only due to heavy cost associated with inventory holding, but also it has a great deal to do with the organizations production process. Cement industry is a growing sector of Pakistan's economy which is now facing problems in capacity utilization of their plants. This study attempts to identify the key strat...