On 12/6/18 1:28 PM, Steve Sistare wrote:
> Provide struct sparsemask and functions to manipulate it. A sparsemask is
> a sparse bitmap. It reduces cache contention vs the usual bitmap when many
> threads concurrently set, clear, and visit elements, by reducing the number
> of significant bits per
Provide struct sparsemask and functions to manipulate it. A sparsemask is
a sparse bitmap. It reduces cache contention vs the usual bitmap when many
threads concurrently set, clear, and visit elements, by reducing the number
of significant bits per cacheline. For each cacheline chunk of the mask
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