Matrix rendering much faster when NOT using the shiny wrapper

[katsikora]

Hi,

we've noticed the matrix rendering (say matrix(rnorm(200000), 10000)) is very slow using morpheus(x) in shiny, but rendering from a text file opened via what looks like a morpheus iframe or API on the shiny-rendered page is instantenous.

Why's that? Is there anything we can do to speed things up when using the shiny wrapper?

Thanks for any advice,

Best,

Katarzyna

[katsikora]

else if (! isTRUE(Rowv)) { rowInd <- nr : 1 ddr <- as.dendrogram(hclust(dist(diag(nr)))) }

This looks like a slow process.

Is it possible to set rowDendrogram <-NULL directly if dendrogram="none" is specified ? And skip ddr computation.

Best,

Katarzyna

[joshua-gould]

You can set Rowv to FALSE

On Mon, Aug 12, 2019 at 10:51 AM Katarzyna Sikora [email protected] wrote:

else if (! isTRUE(Rowv)) { rowInd <- nr : 1 ddr <- as.dendrogram(hclust(dist(diag(nr)))) }

This looks like a slow process.

Is it possible to set rowDendrogram <-NULL directly if dendrogram="none" is specified ? And skip ddr computation.

Best,

Katarzyna

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