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[CHEETAH] Optimize the MulAA communication. #850

Merged
merged 1 commit into from
Sep 18, 2024
Merged

[CHEETAH] Optimize the MulAA communication. #850

merged 1 commit into from
Sep 18, 2024

Commits on Sep 11, 2024

  1. [CHEETAH] Optimize the MulAA communication. 

    Previous impl realizes the MulAA via two OLEs for computing two terms x0*y1 and x1*y0.
This will introduce a larger communication overhead.

We switch to another strategy by computing the sum x0*y1+x1*y0 homomorphically.
To further utilize the CPU resources, we split a long vector into two
subtasks and to let Rank0 and Rank1 to handle each half.
    @fionser
    fionser committed Sep 11, 2024
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