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A Deferred Procedure Call (DPC) is a Microsoft Windows operating system mechanism which allows high-priority tasks (e.g. an interrupt handler) to defer required but lower-priority tasks for later execution. This permits device drivers and other low-level event consumers to perform the high-priority part of their processing quickly, and schedule ...
Kernel Mode Setting: VGA Switcheroo [70] DRM sched [71] DMA-BUF: No Windows NT kernel Dxgkrnl.sys VidPN Manager in Dxgkrnl.sys [72]? VidSch in Dxgkrnl [73]
Minimum interrupt latency is largely determined by the interrupt controller circuit and its configuration. They can also affect the jitter in the interrupt latency, which can drastically affect the real-time schedulability of the system. The Intel APIC architecture is well known for producing a huge amount of interrupt latency jitter. [citation ...
While message signaled interrupts are more complex to implement in a device, they have some significant advantages over pin-based out-of-band interrupt signalling, such as improved interrupt handling performance. This is in contrast to traditional interrupt mechanisms, such as the legacy interrupt request (IRQ) system.
What determines absolute latency (and thus system performance) is determined by both the timings and the memory clock frequency. When translating memory timings into actual latency, timings are in units of clock cycles , which for double data rate memory is half the speed of the commonly quoted transfer rate.
The latency of the players' network (which is largely out of a game's control) is not the only factor in question, but also the latency inherent in the way the game simulations are run. There are several lag compensation methods used to disguise or cope with latency (especially with high latency values).
In telecommunications and computer engineering, the queuing delay is the time a job waits in a queue until it can be executed. It is a key component of network delay.In a switched network, queuing delay is the time between the completion of signaling by the call originator and the arrival of a ringing signal at the call receiver.
Bufferbloat is the undesirable latency that comes from a router or other network equipment buffering too many data packets.Bufferbloat can also cause packet delay variation (also known as jitter), as well as reduce the overall network throughput.