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LANS Informal Seminar: Jean Utke
May 2, 2007 @ 15:00 CDT
Seminar Title: Cheaper Adjoints by Inversion
Speaker: Jean Utke, MCS
Date/Time: 2007-05-02 15:00
Location: Building 221, A-261
Description:
A large portion of the ‘tape’ required to do an adjoint sweep in AD is occupied by information related to address computations and control flow decisions. Bulky ‘tapes’ impede the performance of the adjoint code. We will look at a new approach to reduce the memory requirements that relies in part on inversion and re-computation.