31 results about "High performance design" patented technology

Power, routability and electromigration have become crucial issues in modem microprocessor designs. In high performance designs, clocks are the highest consumer of power. Arranging clocking components with regularity so as to minimize the capacitance of the clock nets can help reduce clock power, however, it may hurt performance due to some loss of flexibility in physically placing those components. The present invention provides techniques to optimally design a clock network by logically assigning clusters of the latches to respective clock distribution structures, placing clock pins at favored pin locations, and placing clock distribution structures directly underneath the clock pins. The clock distribution structures may be moved to favored distribution locations along the clock stripes, and new optimal clustering generated between the latches and the clock distribution structures. These three optimizations are preferably repeated iteratively to derive a local optimal solution for the clock network.

Roughly described, a design rule data set is developed offline from the design rules of a target fabrication process. A design rule checking method involves traversing the corners of shapes in a layout region, and for each corner, populating a layout topology database with values that depend on respective corner locations. After the layout topology database is populated, the values are compared to values in the design rule data set to detect any design rule violations. Violations can be reported in real time, while the user is manually editing the layout. Preferably corner traversal is performed using scan lines oriented perpendicularly to edge orientations, and scanning in the direction of the edge orientations. Scans stop only at corner positions and populate the layout topology database with what information can be gleaned based on the current scan line. The different scans need not reach each corner simultaneously.

A compact monochrome ink jet printhead having a staggered high-density arrangement of ink drop generators for high-performance printing. The present invention provides a high-performance design that enable high-resolution and high-speed printing while reducing cost due to an efficient use of printhead space. In particular, the compact, high-performance printhead of the present invention includes several thermally-efficient aspects that allow a large number of ink drop generators to be placed on a compact printhead while minimizing problems such as thermal excursions. In a preferred embodiment, the ink drop generator density on the compact printhead exceeds 10 ink drop generators per square millimeter and the compact printhead contains at least 350 nozzles. The ink drop generators are arranged in at least four parallel rows. Each row is staggered (or offset) relative to an adjacent row to provide a greater effective pitch that a non-staggered arrangement.

The present invention provides a method for extracting voiceprint feature vectors from encrypted network streams, comprising the steps of: S2. establishing a voiceprint feature vector extraction sliding window for encrypted network streams; S3. updating the voiceprint feature vector extraction sliding window using current data packets; S5. Filtering the voiceprint feature vector to extract the sliding window; S7. Screening out unit groups with more than k units in a row from the sliding window; S9. Extracting the voiceprint features of each unit group in sequence. The voiceprint features extracted by the invention can effectively describe the dynamic features of the network flow. The method of the present invention not only inherits the advantages of the traditional network flow statistical feature extraction method, but also can provide more abundant and reliable knowledge, and can provide technical support for the design and realization of a high-performance traffic classification system in a high-speed network.

The invention discloses a mini-fan performance test system based on a human-computer interaction interface. The human-computer control and display module of the test system is connected with a drive motor module, a performance parameter data acquisition module and a pulling motor module respectively; the human-computer control and display module contains a communication interface, a controller and the human-computer interaction interface; and the human-computer control and display module obtains the instructions of the user through the human-computer interaction interface, then the instructions are processed by the controller to control the rotation speed of the drive motor module and the frequency of the pulling motor module through the communication interface, and the human-computer control and display module exchanges data with the performance parameter data acquisition module to obtain the required information. The test system of the invention is suitable for the performance testsof various mini-fans; the main performance parameters to be tested contain static pressure, flow, rotation speed, torque, wind speed and the like. The invention provides real data for the high-performance design of the mini-fan and plays an important role in the optimization of the structure and parameters of the mini-fan.