The parser stage is not parallelizable.
We need to schedule it as soon as possible to create later stages, which are
more parallelizable
clips | before | after | delta
--------------------------------------------|--------|-------|------
RitualDance_1920x1080_60_10_420_37_RA.266 | 342.7 | 365.3 | 6.59%
NovosobornayaSquare_1920x1080.bin | 321.7 | 400 | 24.34%
Tango2_3840x2160_60_10_420_27_LD.266 | 82.3 | 91.7 | 11.42%
RitualDance_1920x1080_60_10_420_32_LD.266 | 323.7 | 319.3 | -1.36%
Chimera_8bit_1080P_1000_frames.vvc | 364 | 411.3 | 12.99%
BQTerrace_1920x1080_60_10_420_22_RA.vvc | 162.7 | 185.7 | 14.14%
---
libavcodec/vvc/thread.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/libavcodec/vvc/thread.c b/libavcodec/vvc/thread.c
index 8dd9a36fd5..28065d726f 100644
--- a/libavcodec/vvc/thread.c
+++ b/libavcodec/vvc/thread.c
@@ -385,14 +385,15 @@ static int task_priority_higher(const AVTask *_a, const
AVTask *_b)
const VVCTask *a = (const VVCTask*)_a;
const VVCTask *b = (const VVCTask*)_b;
- CHECK(a->fc->decode_order, b->fc->decode_order); //decode order
- if (a->stage == VVC_TASK_STAGE_PARSE || b->stage == VVC_TASK_STAGE_PARSE) {
+ if (a->stage <= VVC_TASK_STAGE_PARSE || b->stage <= VVC_TASK_STAGE_PARSE) {
CHECK(a->stage, b->stage);
+ CHECK(a->fc->decode_order, b->fc->decode_order); //decode
order
CHECK(a->ry, b->ry);
return a->rx < b->rx;
}
+ CHECK(a->fc->decode_order, b->fc->decode_order); //decode
order
CHECK(a->rx + a->ry + a->stage, b->rx + b->ry + b->stage); //zigzag
with type
CHECK(a->rx + a->ry, b->rx + b->ry); //zigzag
return a->ry < b->ry;
--
2.34.1
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