Re: [PATCH] AMD GCN: Implement circular buffering.

[Corinna Vinschen <vinschen at redhat dot com>]

On Mar 18 16:18, Andrew Stubbs wrote:
> 
> The GCN port outputs stdout and stderr via a shared-memory interface.
> Previously the buffer was limited to 1000 write operations, which was enough
> for testing purposes, but easy to exhaust.
> 
> This patch implements a new circular buffering system allowing a greater
> amount of output.  The interface must allow hundreds of hardware threads to
> output simultaneously.  The new limit is UINT32_MAX write operations.
> 
> Unfortunately, there's no way to tell if the host side has also been updated.
> This code will misbehave unless the gcn-run from GCC is also updated (although
> it's fine the other way around), but that patch has already been committed.
> 
> OK?

Pushed.


Thanks,
Corinna

-- 
Corinna Vinschen
Cygwin Maintainer
Red Hat

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