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what does nPtr[i] mean in your Algorithm 1? #1

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shadow150519 opened this issue Aug 7, 2023 · 1 comment
Open

what does nPtr[i] mean in your Algorithm 1? #1

shadow150519 opened this issue Aug 7, 2023 · 1 comment

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@shadow150519
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shadow150519 commented Aug 7, 2023 •
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hello, I' reading your paper and I wonder what is stored in nPtr[i]?
Can you explain to me what target is in alg1 line13 target = min(nPtr[i] +ePerGPU,nPtr[numNodes]) ?
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@YukeWang96
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Hi, Thanks for reaching out! nptr is the node pointer array in graph CSR and nptr[i] means the neighbors (edges) starting index of node-i, you can refer to this https://en.wikipedia.org/wiki/Sparse_matrix#Compressed_sparse_row_(CSR,_CRS_or_Yale_format)

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@YukeWang96 @shadow150519