ALEXANDRIA, Va., June 12 -- United States Patent no. 12,299,494, issued on May 13, was assigned to Red Hat Inc. (Raleigh, N.C.).
"Memory barrier elision for multi-threaded workloads" was invented by Michael Tsirkin (Westford, Mass.) and Andrea Arcangeli (New York).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes a memory, at least one physical processor in communication with the memory, and a plurality of threads executing on the at least one physical processor. A first thread of the plurality of threads is configured to execute a plurality of instructions that includes a restartable sequence. Responsive to a different second thread in communication with the first thread being pre-empted while...