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Finally understand how ATAX works

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And realize it might be wrong?
This commit is contained in:
Stefano Pigozzi 2022-11-30 01:32:15 +01:00
parent c44241a15d
commit 9cd14872dd
1 changed files with 10 additions and 1 deletions
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11
atax/atax.cu
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@ -76,7 +76,16 @@ __host__ static void print_array(DATA_TYPE* Y)
/**
* Compute ATAX.
* Compute ATAX :
* - A is the input matrix
* - X is an input vector
* - Y is the result vector
*
* In particular:
* ```
* A * (A * X) = Y
* ```
* Wait, there's no transposition here?!?
*
* Parallelizing this is the goal of the assignment.
*