Sign up using Email and Password. In this way, the failure of one circuit due to soft error is discarded assuming the other two circuits operated correctly. Support UI. The concept of triple modular redundancy TMR can be employed to ensure very high soft-error reliability in logic circuits.
Those big numbers are actually concatenated smaller numbers, in my interpretation. So, even a multi-cell upset leads to only a number of separate single-bit upsets in multiple correction words, rather than a multi-bit upset in a single correction word. Nov 15, You need to be a member in order to leave a comment.
The thermal neutron flux from sources other than cosmic-ray showers may still be noticeable in an underground location and an important contributor to soft errors for some circuits. So, even a multi-cell upset leads to only a number of separate single-bit upsets in multiple correction words, rather than a multi-bit upset in a single correction word. The average rate of cosmic-ray soft errors is inversely proportional to sunspot activity.
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Sign in here. The positive charged alpha particle travels through the semiconductor and disturbs the distribution of electrons there. DRAM memory may provide increased protection against soft errors by relying on error correcting codes. For instance, many failures per million circuits due to soft errors can be expected in the field if the system does not have adequate soft error protection. Ars Technica. Sadler and Daniel J. In sequential logic such as latches and RAM , even this transient upset can become stored for an indefinite time, to be read out later. Latest: karpule 3 minutes ago. Error-correcting memory controllers traditionally use Hamming codes , although some use triple modular redundancy TMR.
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Jan 25, 8, 1 46, 1, I'm going to suggest re-running the test long version if available. The values showing look to be correct which is why I'm suggesting to re-run. Soft ecc correction rate, huh.
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Many works propose compiler-level instruction replication and result checking for soft error detection. Failed to transfer logged messages to the event log with status Ian Boyd 18k 40 40 gold badges silver badges bronze badges.