Mark E. Giampapa

Collective network for computer structures

Error recovery to enable error-free message transfer between nodes of a computer network

Speculative thread execution with hardware transactional memory

Massively parallel supercomputer

Snoop filter for filtering snoop requests

Collective network for computer structures

Speculative thread execution with hardware transactional memory

Simplifying and speeding the management of intra-node cache coherence

Call stack protection

Global tree network for computing structures enabling global processing operations

Managing coherence via put/get windows

Massively parallel supercomputer

Class network routing

Executing application function calls in response to an interrupt

Massively parallel supercomputer

Message passing with a limited number of DMA byte counters

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

Power throttling of collections of computing elements

Ultrascalable petaflop parallel supercomputer

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

Snoop filter for filtering snoop requests

System and method for programmable bank selection for banked memory subsystems

Method and apparatus for efficiently tracking queue entries relative to a timestamp

Optimized collectives using a DMA on a parallel computer

Multiple node remote messaging

DMA engine for repeating communication patterns

Low latency memory access and synchronization

Direct memory access transfer completion notification

Global interrupt and barrier networks

Snoop filtering system in a multiprocessor system

Method and apparatus for filtering snoop requests using mulitiple snoop caches

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

Efficient implementation of multidimensional fast fourier transform on a distributed-memory parallel multi-node computer

Collective network for computer structures

Twin-tailed fail-over for fileservers maintaining full performance in the presence of a failure

Efficient implementation of a multidimensional fast fourier transform on a distributed-memory parallel multi-node computer

Arithmetic functions in torus and tree networks

Optimized scalable network switch

Method for prefetching non-contiguous data structures

Managing coherence via put/get windows

Low latency memory access and synchronization

Methods and apparatus using commutative error detection values for fault isolation in multiple node computers

Method and apparatus for detecting a cache wrap condition

Snoop filter for filtering snoop requests

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

Snoop filtering system in a multiprocessor system

Multidimensional switch network

Checkpointing filesystem

One-bounce network