Inventor

MEJDRICH ERIC OLIVER

US49 patents

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

MEJDRICH ERIC OLIVER

IBM

Stochastic culling of rays with increased depth of recursion

Image processing with highly threaded texture fragment generation

Processing unit incorporating vectorizable execution unit

Updating ray traced acceleration data structures between frames based on changing perspective

Method and apparatus for memory utilization

Data cache invalidate with data dependent expiration using a step value

Dual independent and shared resource vector execution units with shared register file

Processing unit incorporating L1 cache bypass

Dynamic determination of optimal spatial index mapping to processor thread resources

Dynamic data cache invalidate with data dependent expiration

Load misaligned vector with permute and mask insert

Method and apparatus for communicating between threads

Context switching and synchronization

Computer system architecture for a processor connected to a high speed bus transceiver

Processing unit incorporating multirate execution unit

Simultaneous multi-thread instructions issue to execution units while substitute injecting sequence of instructions for long latency sequencer instruction via multiplexer

Processing unit incorporating special purpose register for use with instruction-based persistent vector multiplexer control

Processing unit incorporating instruction-based persistent vector multiplexer control

Reallocation of spatial index traversal between processing elements in response to changes in ray tracing graphics workload

Operand multiplexor control modifier instruction in a fine grain multithreaded vector microprocessor

Computer system bus bridge

Computer system bus bridge

MEJDRICH ERIC OLIVER

Single precision vector dot product with “word” vector write mask

Efficient texture processing of pixel groups with SIMD execution unit

Tree insertion depth adjustment based on view frustum and distance culling

Single precision vector permute immediate with “word” vector write mask

Tree insertion depth adjustment based on view frustum and distance culling

Streaming physics collision detection in multithreaded rendering software pipeline

Rolling context data structure for maintaining state data in a multithreaded image processing pipeline

Area efficient transcendental estimate algorithm

User-defined non-visible geometry featuring ray filtering

BROWN JEFFREY DOUGLAS

Ray tracing image processing system

Stochastic addition of rays in a ray tracing image processing system

Adaptive ray data reorder for optimized ray temporal locality

Cooperative utilization of spatial indices between application and rendering hardware

Adaptive sub-sampling for reduction in issued rays

Color buffer contrast threshold for adaptive anti-aliasing

Dynamic spatial index remapping for optimal aggregate performance

COMPARAN MIGUEL

Anisotropic texture filtering with texture data prefetching

Anisotropic texture filtering with texture data prefetching

Method and apparatus for executing instructions

Dynamic data type aligned cache optimized for misaligned packed structures

LUICK DAVID ARNOLD

Scalar precision float implementation on the “W” lane of vector unit

Store misaligned vector with permute

KRIEGEL JON K

Context switching and synchronization

KUPFERSCHMIDT MARK GARY

Message selection based on time stamp and priority in a multithreaded processor

FOWLER DAVE

Hybrid rendering of image data utilizing streaming geometry frontend interconnected to physical rendering backend through dynamic accelerated data structure generator

FOWLER DAVID KEITH

Resetting of dynamically grown accelerated data structure

HOOVER RUSSELL DEAN

Rendering of stereoscopic images with multithreaded rendering software pipeline