An effective way to optimize the dominant-thread pattern is to. “bias” the lock implementation so that accesses by the dominant thread have negligible overhead.
An effective way to optimize the dominant-thread pattern is to “bias” the lock implementation so that accesses by the dominant thread have negligible overhead.
An effective way to optimize the dominant-thread pattern is to "bias" the lock implementation so that accesses by the dominant thread have negligible overhead.
Simple and Fast Biased Locks, Nalini Vasudevan, Columbia University – p. 1 ... Simple and Fast Biased Locks, Nalini Vasudevan, Columbia University – p.
Locks are used to ensure exclusive access to shared memory locations. Unfortunately, lock operations are expensive, so much work has been done on optimizing ...
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What is biased locking?
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An effective way to optimize the dominant-thread pattern is to “bias” the lock implementation so that accesses by the dominant thread have negligible overhead.
Jul 21, 2020 · Biased locking has made unnecessary mutexes cheap for over a decade. However, it is disabled by default in Java 15, slated for removal.
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Apr 4, 2020 · On the first lock attempt the object is biased to a certain thread. Later, when another thread acquires the lock, the bias is revoked, and the ...
Mar 3, 2019 · It is known that Hotspot does lock coarsening optimizations that can effectively merge several adjacent locking blocks, thus reducing the locking overhead.
Jun 4, 2009 · Biased locking stems from real world observations that most locks are uncontended and at most one thread tries to acquire the lock.