Abstract:
An apparatus is disclosed, including a monitoring circuit, a translation circuit, a first filter circuit, a second filter circuit, and an interface. The monitoring circuit may be configured to receive a plurality of code values indicative of a voltage level of a power supply signal. The translation circuit may be configured to translate a particular code value to a corresponding voltage value of a plurality of voltage values. The first filter circuit may be configured to filter one or more of the plurality of voltage values to generate a plurality of filtered voltage values. The second filter circuit may be configured to generate a plurality of current values using one or more of the plurality of filtered voltage values and based on an impulse response of the power supply signal. The interface may be configured to send one or more of the plurality of current values to a functional circuit.
Abstract:
An apparatus is disclosed, including a monitoring circuit, a translation circuit, a first filter circuit, a second filter circuit, and an interface. The monitoring circuit may be configured to receive a plurality of code values indicative of a voltage level of a power supply signal. The translation circuit may be configured to translate a particular code value to a corresponding voltage value of a plurality of voltage values. The first filter circuit may be configured to filter one or more of the plurality of voltage values to generate a plurality of filtered voltage values. The second filter circuit may be configured to generate a plurality of current values using one or more of the plurality of filtered voltage values and based on an impulse response of the power supply signal. The interface may be configured to send one or more of the plurality of current values to a functional circuit.
Abstract:
Implementations of the present disclosure involve a system and/or method for measuring on-die voltage levels of an integrated circuit through a digital sampling circuit. In particular, the system and/or method utilize a delay line based analog-to-digital sampling circuit that produces a voltage reading over time, such as at every high frequency clock cycle. In one embodiment, the digital sampling circuit may include a clock jitter monitor circuit configured with a constant supply voltage. This clock jitter monitor is configured to measure the clock jitter that is experienced by the digital voltage monitor circuit and, when compared to measured voltage captured by the circuit, may be used to calibrate or otherwise correct the readings provided by the digital voltage monitor circuit.
Abstract:
Embodiments include systems and methods for optimization of micro-benchmark analysis for microprocessor designs. For example, embodiments seek to generate a suite of micro-benchmarks and associated weighting factors, which can be used to effectively define a weighted aggregate workload condition for a fine-grained (e.g., RTL) simulation in a manner that is a sufficient proxy for predicted commercial workload conditions. The suite of micro-benchmarks can be appreciably more efficient to simulate than the commercial workload, so that using the suite of micro-benchmarks as a proxy for the commercial workload can provide many benefits, including more efficient iterative design.
Abstract:
Implementations of the present disclosure involve a system and/or method for measuring on-die voltage levels of an integrated circuit through a digital sampling circuit. In particular, the system and/or method utilizes a delay line based analog-to-digital sampling circuit that produces a voltage reading over time, such as at every high frequency clock cycle. The digitized samples are routed to either an on-die memory structure for later analysis or are transmitted to one or more pins of a chip for capture and analysis by an external analyzer.
Abstract:
Embodiments include systems and methods for optimization of micro-benchmark analysis for microprocessor designs. For example, embodiments seek to generate a suite of micro-benchmarks and associated weighting factors, which can be used to effectively define a weighted aggregate workload condition for a fine-grained (e.g., RTL) simulation in a manner that is a sufficient proxy for predicted commercial workload conditions. The suite of micro-benchmarks can be appreciably more efficient to simulate than the commercial workload, so that using the suite of micro-benchmarks as a proxy for the commercial workload can provide many benefits, including more efficient iterative design.
Abstract:
Implementations of the present disclosure involve a system and/or method for measuring on-die voltage levels of an integrated circuit through a digital sampling circuit. In particular, the system and/or method utilize a delay line based analog-to-digital sampling circuit that produces a voltage reading over time, such as at every high frequency clock cycle. In one embodiment, the digital sampling circuit or digital voltage monitor circuit includes a coarse delay component or circuit that further delays the propagation of a clock signal through the delay line. The coarse delay circuit may be programmed to delay the propagation of the signal through the delay line in such a manner as to allow for multiple edges of a clock or test signal to travel simultaneously down the delay line and increase the sensitivity of the circuit. Additional sensitivity of the digital voltage monitor circuit may also be obtained through selection of the types of components that comprise the circuit and a clock jitter monitor circuit configured with a constant supply voltage.
Abstract:
A method for determining power dissipation within a computer system is disclosed. A circuit block may receive a regulated voltage level on a power supply signal generated by a voltage regulator circuit. A power control circuit may measure a current drawn by the circuit block, and determine a real-time voltage level for the power supply signal using the current and based on a slope value and a zero-load voltage level. Additionally, power control circuit may determine a power dissipation for the circuit block using the current and the real-time voltage level, and adjust an operation parameter of the circuit block based on the power dissipation.
Abstract:
A method and apparatus for calibrating a temperature sensor is disclosed. In one embodiment, a method comprises generating first and second digital values based respectively on first and second voltages applied to a portion of a temperature sensor circuit. An arithmetic circuit may derive the value of the second voltage based on the first and second digital values. The method further comprises determining an initial value of a constant based on values of the first and second voltages, and determining a final value of the constant based on the initial voltage and at least one voltage offset. The constant may then be used in determining temperature readings for the temperature sensor.
Abstract:
Embodiments include systems and methods for optimization of micro-benchmark analysis for microprocessor designs. For example, embodiments seek to generate a suite of micro-benchmarks and associated weighting factors, which can be used to effectively define a weighted aggregate workload condition for a fine-grained (e.g., RTL) simulation in a manner that is a sufficient proxy for predicted commercial workload conditions. The suite of micro-benchmarks can be appreciably more efficient to simulate than the commercial workload, so that using the suite of micro-benchmarks as a proxy for the commercial workload can provide many benefits, including more efficient iterative design.