Inventor

OHMACHT MARTIN

US77 patents

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

OHMACHT MARTIN

IBM

Ultrascalable petaflop parallel supercomputer

Low latency memory access and synchronization

Method for prefetching non-contiguous data structures

Method and apparatus for filtering snoop requests in a point-to-point interconnect architecture

Snoop filtering system in a multiprocessor system

Snoop filter for filtering snoop requests

Low latency memory access and synchronization

Local bypass in memory computing

Arbitration in crossbar interconnect for low latency

Configurable memory system and method for providing atomic counting operations in a memory device

System and method for programmable bank selection for banked memory subsystems

Multiple node remote messaging

Method and apparatus for filtering snoop requests in a point-to-point interconnect architecture

Programmable stream prefetch with resource optimization

Global virtual address space consistency model

Transactional lock elision with delayed lock checking

Combined group ECC protection and subgroup parity protection

Transactional lock elision with delayed lock checking

Transactional lock elision with delayed lock checking

Managing coherence via put/get windows

Method and apparatus for filtering snoop requests using mulitiple snoop caches

Method and apparatus for detecting a cache wrap condition

BLUMRICH MATTHIAS A

Cache as point of coherence in multiprocessor system

Local rollback for fault-tolerance in parallel computing systems

Conditional load and store in a shared memory

Snoop filter for filtering snoop requests

Snoop filtering system in a multiprocessor system

Simplifying and speeding the management of intra-node cache coherence

Non-volatile memory for checkpoint storage

Snoop filter for filtering snoop requests

CHEN DONG

Optimizing TLB entries for mixed page size storage in contiguous memory

Optimizing TLB entries for mixed page size storage in contiguous memory

Extended write combining using a write continuation hint flag

Fast concurrent array-based stacks, queues and deques using fetch-and-increment-bounded, fetch-and-decrement-bounded and store-on-twin synchronization primitives

GARA ALAN

Method and apparatus of prefetching streams of varying prefetch depth

Cache directory lookup reader set encoding for partial cache line speculation support

Ordering of guarded and unguarded stores for no-sync I/O

GLOBALFOUNDRIES INC

Multi-petascale highly efficient parallel supercomputer

Generation-based memory synchronization in a multiprocessor system with weakly consistent memory accesses

BOYLE PETER

List based prefetch

List based prefetch

ASAAD SAMEH

Multi-petascale highly efficient parallel supercomputer

EICHENBERGER ALEXANDRE E

Checkpointing in speculative versioning caches

BELLOFATTO RALPH E

Method and apparatus to debug an integrated circuit chip via synchronous clock stop and scan

OHMACHT MARTIN

Cache directory look-up re-use as conflict check mechanism for speculative memory requests

GARA ALAN G

Combined group ECC protection and subgroup parity protection

BELLOFATTO RALPH A

Reproducibility in a multiprocessor system

BOYLE PETER A

Method and apparatus of parallel computing with simultaneously operating stream prefetching and list prefetching engines

GALA ALAN

Mapping virtual addresses to different physical addresses for value disambiguation for thread memory access requests

AHN DANIEL

Multiprocessor system with multiple concurrent modes of execution