Spin-lock preparation
WebSep 25, 2024 · If the lock is already held then the thread attempting to acquire the lock will "spin". This means that the thread attempts to acquire the lock over and over until it succeeds. The thread will take a short "nap" after a certain number of attempts have occurred. This nap occurs without the thread yielding. WebJul 1, 2016 · (a) The STD-SL preparation contains a pair of spin-lock pulses applied with opposite phases and separated by a 180° refocusing pulse. (b) The PSC-SL preparation …
Spin-lock preparation
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WebMay 14, 2024 · spin_lock_bh prevents a softirq running on the same CPU as the caller while the lock is held. Since the userspace process can be preempted by a softirq, this prevents a deadlock from occurring if a softirq waits for a spin-lock that is already locked by the same CPU. – Ian Abbott May 14, 2024 at 16:35 WebNov 9, 2024 · In this study, we present a novel spin-lock preparation module (B-SL) that enables an almost full compensation of both types of inhomogeneities. Methods The new B-SL module contains a second 180° refocusing pulse to compensate each pulse in the …
WebSep 12, 2024 · We aimed to design a robust spin-lock (SL) preparation module that can be used in myocardial T 1ρ quantification at 3 T. We used the tan/tanh pulse to tip up and … WebSep 12, 2024 · We aimed to design a robust spin-lock (SL) preparation module that can be used in myocardial T 1ρ quantification at 3 T. We used the tan/tanh pulse to tip up and tip down the magnetization in the spin-lock preparation module (tan/tanh-SL).
WebIn this study, we present a novel spin-lock preparation module (B-SL) that enables an almost full compensation of both types of inhomogeneities. Methods: The new B-SL module contains a second 180° refocusing pulse to com- pensate each pulse in the preparation block by a corresponding pulse with opposite phase. WebDefinition of Spinlock in the Definitions.net dictionary. Meaning of Spinlock. What does Spinlock mean? Information and translations of Spinlock in the most comprehensive …
WebOct 27, 2014 · Be warned, this is about the worst spinlock you can possibly implement. Among other problems: 1) When you finally do acquire the lock, you take the mother of all mispredicted branches leaving the while loop, which is …
WebSep 1, 2014 · A conventional fMRI acquisition is equivalent to using a spin-lock preparation with locking amplitude = 0, locking period ≈ T2*, acquisition TE = 0, when the relaxation rate R2,diff will vary with q- 4 and be dominated by large-scale structures such as draining veins. ravin crossbow problemsWebJan 15, 2024 · The cover image is based on the Research Article A robust adiabatic constant amplitude spin-lock preparation module for myocardial T1ρ quantification at 3 T by Yuxin ... simple birch house minecraftWebIn this study, we present a novel spin-lock preparation module (B-SL) that enables an almost full compensation of both types of inhomogeneities. Methods: The new B-SL module contains a second 180° refocusing pulse to compensate each pulse in the preparation block by a corresponding pulse with opposite phase. simple biotechnology researchWebAs preparation for dealing with both of those problems, protect the lists with a spinlock. The IRQ-unsafe version of the lock is used because IRQs are already disabled by local_lock_irqsave. spin_trylock is used in preparation for a time when local_lock could be used instead of lock_lock_irqsave. The per_cpu_pages still fits within the same ... simple biology youtubeWebOct 22, 2013 · We introduce a broadly applicable technique to create nuclear spin singlet states in organic molecules and other many-atom systems. We employ a novel pulse sequence to produce a spin-lock induced crossing (SLIC) of the spin singlet and triplet energy levels, which enables triplet-singlet polarization transfer and singlet-state … simple biomimicry examplesWebLesson 1: Spin locks ¶. The most basic primitive for locking is spinlock: static DEFINE_SPINLOCK (xxx_lock); unsigned long flags; spin_lock_irqsave (&xxx_lock, flags); ... critical section here .. spin_unlock_irqrestore (&xxx_lock, flags); The above is always safe. It will disable interrupts _locally_, but the spinlock itself will guarantee ... simple bio outlineWebThe dependence of rotating frame spin‐lattice relaxation, T1ρ, on locking field frequency, f1 was measured for phantom materials and human breast tissues. These data were used to predict the relative signal strengths obtainable in a spin‐locking imaging sequence. simple birch wood frames