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Slight error in ceil calculation #27

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Slight error in ceil calculation #27

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4 changes: 2 additions & 2 deletions chapter-07/README.md
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Expand Up @@ -228,7 +228,7 @@ This brings us to the total of:

We need to run a block for each output tile. So we run

`[(N + T - 1)/1, (N + T - 1)/1]` blocks.
`[(N + T - 1)/T, (N + T - 1)/T]` blocks.

**b. How many threads are needed per block?**

Expand All @@ -244,7 +244,7 @@ Each block needs `IN_TILE x IN_TILE x 4 bytes` for shared memory, so `(T + (M-1)

Each output tile will have its own block, so for the grid size, nothing changes:

`[(N + T - 1)/1, (N + T - 1)/1]`
`[(N + T - 1)/T, (N + T - 1)/T]`

But now each block will be of size `T x T`.

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