Dynamic Algorithm Selection for Molecular Energy Calculation
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Solution Overview
Problem
Quantum chemical calculation algorithms face a trade-off between accuracy and execution time, making it challenging to select the most efficient method for calculating molecular energies at various interatomic distances, particularly as interatomic distance increases, leading to decreased accuracy and increased iteration counts.
Innovation Solution
An information processing apparatus that dynamically switches between different algorithms based on the slope of the relationship between interatomic distances and iteration counts, using a less accurate but faster algorithm for smaller distances and a more accurate but slower algorithm for larger distances, thereby optimizing energy curve generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a single algorithm is used for all interatomic distances, then the implementation is simple, but the accuracy deteriorates at larger distances and execution time increases
Solution Approach 1:
The patent changes the algorithm parameter based on the interatomic distance parameter. When the interatomic distance exceeds a threshold value, the system switches from a first algorithm to a second algorithm, optimizing both accuracy and execution time for different distance ranges
Solution Approach 2:
The patent implements a dynamic algorithm selection mechanism that adapts the calculation method based on the current interatomic distance. The system monitors the distance parameter and dynamically switches between algorithms to maintain optimal performance across varying conditions
2Productivity
If a first algorithm is used for small interatomic distances, then execution time is reduced, but accuracy deteriorates when interatomic distance increases
Solution Approach 1:
The patent changes the algorithm parameter based on the interatomic distance parameter. When the interatomic distance exceeds a threshold value, the system switches from a first algorithm to a second algorithm, optimizing both accuracy and execution time for different distance ranges
Solution Approach 2:
The patent segments the interatomic distance range into two regions: a first range where the first algorithm is used for faster execution, and a second range where the second algorithm is used for higher accuracy. This segmentation allows each algorithm to operate in its optimal performance zone
Data Source
AI summary
An information processing apparatus calculates a plurality of first molecular energies corresponding to a plurality of first interatomic distances by using a first algorithm that iteratively updates a solution until a convergence condition is satisfied. The information processing apparatus specifies, based on a slope of a line segment indicating a relationship between the plurality of first interatomic distances and iteration counts, a plurality of second interatomic distances for which molecular energy is to be calculated by using a second algorithm. The information processing apparatus calculates second molecular energies corresponding to the specified plurality of second interatomic distances by using the second algorithm.