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r600/sfn: Don't scan the whole block for ready instructions

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Limit the number of tested instructions and the number of
ready instructions that might be taken into account.

This reduces the time needed to run the scheduler significantly.

Fixes: 79ca456b48
   r600/sfn: rewrite NIR backend

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Filip Gawin <filip@gawin.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18212>
This commit is contained in:
Gert Wollny 2022-08-23 15:35:06 +02:00 • committed by Marge Bot
parent 79eabb8130
commit 1f5dccb760
1 changed files with 2 additions and 1 deletions
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3
src/gallium/drivers/r600/sfn/sfn_scheduler.cpp
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@ -913,7 +913,8 @@ bool BlockSheduler::collect_ready_type(std::list<T *>& ready, std::list<T *>& av
auto i = available.begin();
auto e = available.end();
while (i != e) {
int lookahead = 16;
while (i != e && ready.size() < 16 && lookahead-- > 0) {
if ((*i)->ready()) {
ready.push_back(*i);
auto old_i = i;