A lightweight kernel (LWK) operating system is one used in a large computer with many processor cores, termed a parallel computer.
A massively parallel high-performance computing (HPC) system is particularly sensitive to operating system overhead. Traditional multi-purpose operating systems are designed to support a wide range of usage models and requirements. To support the range of needs, a large number of system processes are provided and are often inter-dependent on each other. The computing overhead of these processes leads to an unpredictable amount of processor time available to a parallel application. A very common parallel programming model is referred to as the bulk synchronous parallel model which often employs Message Passing Interface (MPI) for communication. The synchronization events are made at specific points in the application code. If one processor takes longer to reach that point than all the other processors, everyone must wait. The overall finish time is increased. Unpredictable operating system overhead is one significant reason a processor might take longer to reach the synchronization point than the others.
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A lightweightkernel (LWK) operatingsystem is one used in a large computer with many processor cores, termed a parallel computer. A massively parallel...
later DOS/VS and DOS/VSE) operatingsystem for System/360 and System/370 IBM mainframes TI-RTOS Kernel – Real-time operatingsystem for TI's embedded devices...
Google. It is derived from the open-source ChromiumOS, based on the Linux kernel, and uses the Google Chrome web browser as its principal user interface...
LIN-uuks) is a family of open-source Unix-like operatingsystems based on the Linux kernel, an operatingsystemkernel first released on September 17, 1991, by...
usually run different operatingsystems on different nodes, e.g., using a small and efficient lightweightkernel such as Compute Node Kernel (CNK) or Compute...
source code of the Solaris kernel, effectively turning Solaris 11 back into a closed source proprietary operatingsystem. Following that, OpenSolaris...
There are a number of Unix-like operatingsystems under active development, descended from the Berkeley Software Distribution (BSD) series of UNIX variants...
(I/O Node Kernel) operatingsystem, based on a modified Linux kernel. Catamount (operatingsystem) Compute Node Linux INK (operatingsystem) Rocks Cluster...
cgroups (abbreviated from control groups) is a Linux kernel feature that limits, accounts for, and isolates the resource usage (CPU, memory, disk I/O,...
in kernel mode with a single framework: the operatingsystem derives from HarmonyOS NEXT, based on both OpenHarmony and Oniro OS operatingsystem family...
configuration tools. The true descendant of the early operatingsystems is what is now called the "kernel". In technical and development circles the old restricted...
operating-system–level virtualization, where all instances (usually called containers) must share a single kernel, though the guest operatingsystems...
Embeddable Linux Kernel Subset (ELKS), formerly known as Linux-8086, is a Linux-like operatingsystemkernel. It is a subset of the Linux kernel, intended for...
as distro) is an operatingsystem made from a software collection that includes the Linux kernel and often a package management system. Linux users usually...
Just enough operatingsystem (JeOS, pronounced "juice" according to SUSE) is a paradigm for customizing operatingsystems to fit the needs of a particular...
especially in cases where the rootkit resides in the kernel; reinstallation of the operatingsystem may be the only available solution to the problem. When...
systems and have achieved some level of popularity. Several projects seek to replace the GNU operatingsystem programs surrounding the Linux kernel with...
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