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| Abstract |
順序回路のソフトエラー耐性を評価する手法の一つとして，マルコフモデルを用いて状態遷移の振る舞いを解析し評価する手法が提案されているが，規模の大きな回路に対しては多大な実行時間を要し適用が困難である．実行時間の多くは回路の内部状態の定常確率を求める処理に費やされる．本稿では順序回路の内部状態の定常確率を 高速に求めるため，回路中のフリップフロップをいくつかのグループに分割し，各グループの定常確率から...回路全体の定常確率を近似する手法を検討する．
An exact method which evaluates soft error tolerance with Markov model has been proposed. This method, however, is difficult to apply to large scale circuits for consuming much time. Most of the run-time of this method is spent on calculation of steady state probability. This paper presents an approximate method for steady state calculation. This approximate method divides flip-flops into some groups, and computes steady state probability of the whole circuit from each group’s steady state probabilities.show more
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hasegawa10_1