Inventor

DETLEFS DAVID L

US57 patents

⚠️ This page may combine multiple inventors who share the name “DETLEFS DAVID L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DETLEFS DAVID L

SUN MICROSYSTEMS INC

Specializing write-barriers for objects in a garbage collected heap

Local allocation buffers for parallel garbage collection

Lock free reference counting

Lock-free implementation of concurrent shared object with dynamic node allocation and distinguishing pointer value

Work-stealing queues for parallel garbage collection

Mostly concurrent compaction in a garbage collection system

Garbage collection system for improved use of memory by removal of reference conflicts

Expedited object locking and unlocking

Method, apparatus, and article of manufacture for facilitating resource management for applications having two types of program code

Concurrent shared object implemented using a linked-list with amortized node allocation

Striding-type generation scanning for parallel garbage collection

Busy-wait-free synchronization

Age segregation for garbage collector

Garbage-first garbage collection

Collection-set selection using a small priority queue

Tracking minimum mutator utilization (MMU) constraints in a garbage-collection system

Parallel non-contiguous allocation and card parsing

Method for directly inlining virtual calls without on-stack replacement

Method, apparatus, and product for improved garbage collection in a memory system through the removal of reference conflicts

Accurate method for inlining virtual calls

Work stealing queues for parallel garbage collection

Method and apparatus for reducing remembered set overhead in a generational garbage collector by constraining collection set choice

Memory-block coalescing based on run-time demand monitoring

Method and mechanism for finding references in a card in time linear in the size of the card in a garbage-collected heap

Split-reference, two-pass mark-compaction

Method and apparatus for tracking activity of a garbage collector with a plurality of threads that operate concurrently with an application program

Concurrent-marking-initiation heuristic

Method and apparatus for decreasing object copying by a generational, copying garbage collector

Maintaining a double-ended queue in a contiguous array with concurrent non-blocking insert and remove operations using a double compare-and-swap primitive

Exploiting popular objects to reduce mutator overhead

Method and apparatus for byte allocation accounting in a system having a multi-threaded application and a generational garbage collector that dynamically pre-tenures objects

Method and apparatus for selectively eliminating write barriers in snapshot-at-the beginning concurrent-marking garbage collectors

Eliminating write barriers for young objects

Demand-based memory-block splitting

Method and apparatus for limiting the size and facilitating maintenance of remembered sets in a space incremental garbage collector

Hot-card caching to avoid excessive remembered-set updating

Parallel card table scanning and updating

Preemptive memory-block splitting

Method and apparatus for reducing object pre-tenuring overhead in a generational garbage collector

Method and apparatus for dynamically pre-tenuring objects in a generational garbage collection system

DETLEFS DAVID L

Reader/writer lock with reduced cache contention

Compressed transactional locks in object headers

Optimizing primitives in software transactional memory

ORACLE AMERICA INC

Heuristic-based resumption of fully-young garbage collection intervals

Code preparation technique employing lock-free pointer operations

MICROSOFT TECHNOLOGY LICENSING LLC

Array object concurrency in STM

Array object concurrency in STM

BISWAS SURUPA

Pre-compiling hosted managed code

LEVANONI YOSSEFF

Accelerating parallel transactions using cache resident transactions

ZHU WEIRONG

Array object concurrency in STM