The paper is related to the thread manufacturing process. This work clearly identified the different problems occurring during manufacturing. In the last process (winding), DMAIC tool is applied. The reason for choosing this work is to provide a better analysis of different processes in thread manufacturing. This textile firm has large departments where the thread produced from the waste clothe...

This paper presents a new concurrent multiplethreaded architectural model, called superthreading, f o r exploiting thread-level parallelism o n a processor. This architectural model adopts a thread pipelining execut ion model that allows threads with data dependences and control dependences to be executed in parallel. The basic idea of thread pipelining i s t o compute and forward recurrence da...

Speculative thread-level parallelism has been recently proposed as an alternative source of parallelism that can boost the performance for applications where independent threads are hard to find. Several schemes to exploit thread level parallelism have been proposed and significant performance gains have been reported. However, the sources of the performance gains are poorly understood as well ...

A software architect should consciously choose between architectural alternatives for a given problem. In multi-threaded software, the architectural choices for resource sharing problems can be expressed as two patterns, the resource-user thread and the resource thread. A resource-user thread acquires and releases exclusive access to shared resources. A resource thread has permanent exclusive a...

In this paper, we study the shift of thread semantics that arises when adapting a centralized Java program for execution in a distributed environment. More specifically we focus on distributed applications that are developed by means of a distributed control flow programming model like Java RMI or OMG CORBA. The shift in thread semantics causes unexpected execution results or run-time errors if...

In this paper we propose a new approach to building multithreaded uni-processors that become building blocks in high-end computing architectures. Our innovativeness stems from a multithreaded architecture with non-blocking threads where all memory accesses are decoupled from the thread execution. Data is pre-loaded into the thread context (registers), and all results are "post-stored" after the...

Threads share a single address space with each other. On the other hand, a process has its own address space. Since whether to share or not to share the address space depends on each data structure in the whole program, the choice of “a thread or a process” for the whole program is too much “all-or-nothing.” With this motivation, this paper proposes a half-process, a process partially sharing i...

During the Mach In-Kernel Servers work, we explored two alternate thread models that could be used to support traps to in-kernel servers. In the "migrating threads" model we used, the client's thread temporarily moves into the server's task for the duration of the call. In the "thread switching" model, an actual server thread is dispatched to handle client traps. Based on our experience, we fin...