Patent application number | Description | Published |
20130275782 | CONTROLLING POWER GATE CIRCUITRY BASED ON DYNAMIC CAPACITANCE OF A CIRCUIT - In one embodiment, the present invention includes an apparatus having an estimation logic to estimate a dynamic capacitance of a processor circuit of a processor during a plurality of processor cycles, a power gate calculator to calculate a control value for a power gate circuit coupled to a load line and between a voltage regulator and the processor circuit based on the dynamic capacitance estimate, and a controller to control an impedance of the power gate circuit based on the control value. Other embodiments are described and claimed. | 10-17-2013 |
20140181388 | Method And Apparatus To Implement Lazy Flush In A Virtually Tagged Cache Memory - A processor includes a processor core including an execution unit to execute instructions, and a cache memory. The cache memory includes a controller to update each of a plurality of stale indicators in response to a lazy flush instruction. Each stale indicator is associated with respective data, and each updated stale indicator is to indicate that the respective data is stale. The cache memory also includes a plurality of cache lines. Each cache line is to store corresponding data and a foreground tag that includes a respective virtual address associated with the corresponding data, and that includes the associated stale indicator. Other embodiments are described as claimed. | 06-26-2014 |
20140189659 | HANDLING OF BINARY TRANSLATED SELF MODIFYING CODE AND CROSS MODIFYING CODE - A processor core includes a processor to execute a first translated instruction translated from a first instruction stored in first page of a memory. The processor also includes a translation indicator agent (XTBA) to store a first translation indicator that is read from a physical map (PhysMap) in the memory. In an embodiment, the first translation indicator is to indicate whether the first page has been modified after the first instruction is translated. Other embodiments are described as claimed. | 07-03-2014 |
20150277911 | Instruction and Logic for a Logical Move in an Out-Of-Order Processor - A processor includes allocation unit with logic to receive a logical move instruction. The logical move instruction includes a source logical register as a source parameter and a destination logical register as a destination parameter. The source logical register is assigned to a source physical register and the destination logical register is assigned to a destination physical register. The allocation unit includes logic to assign a first value of the source logical register to the destination logical register and to maintain a second value of the destination physical register before and after the assignment of the first value to the destination logical register. | 10-01-2015 |
20150277914 | LOCK ELISION WITH BINARY TRANSLATION BASED PROCESSORS - Generally, this disclosure provides systems, devices, methods and computer readable media for detection and exploitation of lock elision opportunities with binary translation based processors. The device may include a dynamic binary translation (DBT) module to translate a region of code from a first instruction set architecture (ISA) to translated code in a second ISA and to detect and elide a lock associated with a critical section of the region of code. The device may also include a processor to speculatively execute the translated code in the critical section. The device may further include a transactional support processor to detect a memory access conflict associated with the lock and/or critical section during the speculative execution, roll back the speculative execution in response to the detection, and commit the speculative execution in the absence of the detection. | 10-01-2015 |
20150277916 | METHOD AND APPARATUS FOR IMPLEMENTING A DYNAMIC OUT-OF-ORDER PROCESSOR PIPELINE - A hardware/software co-design for an optimized dynamic out-of-order Very Long Instruction Word (VLIW) pipeline. For example, one embodiment of an apparatus comprises: an instruction fetch unit to fetch Very Long Instruction Words (VLIWs) in their program order from memory, each of the VLIWs comprising a plurality of reduced instruction set computing (RISC) instruction syllables grouped into the VLIWs in an order which removes data-flow dependencies and false output dependencies between the syllables; a decode unit to decode the VLIWs in their program order and output the syllables of each decoded VLIW in parallel; and an out-of-order execution engine to execute the syllables preferably in parallel with other syllables, wherein at least some of the syllables are to be executed in a different order than the order in which they are received from the decode unit, the out-of-order execution engine having one or more processing stages which do not check for data-flow dependencies and false output dependencies between the syllables when performing operations. | 10-01-2015 |
20150277975 | Instruction and Logic for a Memory Ordering Buffer - A processor includes an allocator with logic assigning alias hardware resources to instructions within an atomic region of instructions. The atomic region includes reordered instructions. The processor also includes a dispatcher with logic to dispatch instructions from the atomic region of instructions for execution. Furthermore, the processor includes a memory execution unit with logic to populate the memory execution unit with the instructions from the atomic region of instructions including reordered instructions, receive snoop requests and determine whether the snoop request matches memory address data of elements within the memory execution unit, and prevent reassignment of alias hardware resources for any load instructions that are eligible to match the snoop requests. | 10-01-2015 |
20150378731 | APPARATUS AND METHOD FOR EFFICIENTLY IMPLEMENTING A PROCESSOR PIPELINE - Various different embodiments of the invention are described including: (1) a method and apparatus for intelligently allocating threads within a binary translation system; (2) data cache way prediction guided by binary translation code morphing software; (3) fast interpreter hardware support on the data-side; (4) out-of-order retirement; (5) decoupled load retirement in an atomic OOO processor; (6) handling transactional and atomic memory in an out-of-order binary translation based processor; and (7) speculative memory management in a binary translation based out of order processor. | 12-31-2015 |