Matt Joiner
42d29d95a6
Import generics as g
2023-04-04 19:12:26 +10:00
Matt Joiner
e8b04c7181
gofumpt
2023-02-18 18:35:22 +11:00
Matt Joiner
a512c0df61
Add a check that piece request order items are scanned in order
...
It's not clear from btree documentation that scan should be ordered.
2023-01-04 01:25:57 +11:00
Matt Joiner
3e0f34934d
gorond ./...
2022-11-15 23:31:27 +11:00
Matt Joiner
f235c8ea51
Reuse piece order state for request ordering
2022-05-12 10:34:28 +10:00
Matt Joiner
23a0e7f7d3
Remove redundant type conversions
2022-05-09 12:51:02 +10:00
Matt Joiner
9a9c7dee00
Add and use typed roaring bitmap
2022-05-09 12:05:50 +10:00
Jonathan McDowell
a1a820d3c9
Avoid heap allocation in GetRequestablePieces ( #734 )
...
The calculation of whether we should ignore a piece in
GetRequestablePieces ends up doing an allocation for every piece, when
all we really need to do is query the index in the torrent. Provide an
IgnorePiece function instead, which avoids the need for a temporary
allocation.
Observed to cut out 40% of object allocations in some workloads (large
download, lots of seeds).
2022-04-11 14:22:05 +10:00
Matt Joiner
934944e498
Add AjwernerBtree as an alternative btree backing for piece request order
...
Also add some scans to benchmarks. Make a few changes to reduce allocations using piece request order.
2022-01-22 18:40:33 +11:00
Matt Joiner
62060fb897
Use tidwall/btree generics for piece request ordering
2022-01-22 18:39:36 +11:00
Matt Joiner
506ff8d037
Use relative availabilities to determine piece request order
...
Most overhead comes from peers that connect that have everything, and we just increment every single piece's availability. There may be some unresolved determinism with torrents that share the same ordering.
2021-12-23 14:00:00 +11:00
Matt Joiner
1668a18859
Some optimizations in PieceRequestOrder.Update and item comparisons
2021-12-15 19:18:16 +11:00
Matt Joiner
30375615b3
Remove unused request strategy code
2021-12-12 18:35:02 +11:00
Matt Joiner
8c5df03e14
Minimize allocations due to heap escapes
2021-12-12 18:35:01 +11:00
Matt Joiner
8025d15155
Stop iterating pieces when storage is exhausted
2021-12-12 18:35:01 +11:00
Matt Joiner
135f21fb64
Use interfaces to lazily expose the bare minimum inputs to GetRequestablePieces
2021-12-12 18:35:01 +11:00
Matt Joiner
4088e847f3
Provide mapping from infohash to Torrent in Input
2021-12-12 18:35:01 +11:00
Matt Joiner
94bb5d40ba
Implement piece request ordering with retained state
2021-12-12 18:35:01 +11:00
Matt Joiner
b99dd505b5
Avoid reflection sorting request pieces
2021-12-12 18:35:01 +11:00
Matt Joiner
de2bea502c
Use indices to lookup pieces for comparison
2021-12-12 18:35:01 +11:00
Matt Joiner
231301f5d7
Cache piece request orderings
2021-12-12 18:35:01 +11:00
Matt Joiner
67ed5d0032
Partition piece request strategy by storage capacity key
2021-12-12 16:56:01 +11:00
Matt Joiner
8e707c9b15
Remove unused peer stuff in request strategy
2021-11-29 10:14:16 +11:00
Matt Joiner
c6ee03f449
gofumpt
2021-11-08 14:47:01 +11:00
Matt Joiner
7d0be0ac65
Optimize chunk calculations in request strategy
2021-10-19 14:08:56 +11:00
Matt Joiner
eab111dd84
Switch Peer.PieceAllowedFast and several request strategy inputs to raw roaring.Bitmaps
...
This is in preparation to support encoding request strategy run inputs for benchmarking.
2021-10-05 20:06:23 +11:00
Matt Joiner
1d2d1a9cde
Store peer requests in a bitmap
2021-09-19 15:16:37 +10:00
Matt Joiner
21358ba458
Do peer requests separately for each peer
2021-09-18 20:34:14 +10:00
Matt Joiner
cfb23e271f
Export request_strategy.GetRequestablePieces
2021-09-18 18:57:50 +10:00
Matt Joiner
c6fb0535d4
requesting: Remove some obsoleted condition checks
...
These shouldn't be necessary since peers were pruned for the ability to allocate chunks to the current piece.
2021-09-18 12:53:22 +10:00
Matt Joiner
b757b62cf4
requesting: Filter peers that can't be allocated chunks
2021-09-16 10:47:27 +10:00
Matt Joiner
a4697497aa
Performance improvements in piece requesting
2021-09-16 00:12:24 +10:00
Matt Joiner
2b443d695b
Change torrent capacity to not return a pointer
...
It's an unnecessary complication for a storage implementer.
2021-09-15 23:33:17 +10:00
Matt Joiner
6c9a7fec39
Optimize peersForPieces allocations for make and sorting
2021-09-10 23:07:10 +10:00
Matt Joiner
e9193968a3
Disable ensureValidSortedPeersForPieceRequests
...
Should approximately half the contribution of the parent function to overhead.
2021-09-10 23:07:10 +10:00
Matt Joiner
016bf1b07c
Optimize sortPeersForPiece in allocatePendingChunks
2021-09-10 23:07:10 +10:00
Matt Joiner
7096da9f03
Minimize allocations and resizing in request computation
2021-08-01 22:02:40 +10:00
Matt Joiner
f50b8fc2fa
Fix issue with duplicate preallocated requests
...
Likely introduced by allowing actual and next request states to differ.
2021-06-07 13:01:40 +10:00
Matt Joiner
1a27e14391
Don't always force piece reallocation
...
The balancing for unforced pieces may not be exactly what we want yet.
2021-06-07 13:01:39 +10:00
Matt Joiner
ad298364aa
Add client-level max unverified bytes
2021-06-07 13:01:39 +10:00
Matt Joiner
63b0e42731
Get max unverified bytes working
2021-06-07 13:01:39 +10:00
Matt Joiner
307d6d178f
Prepare to implement max unverified bytes
2021-06-07 13:01:39 +10:00
Matt Joiner
8e9cb9f2be
Do checks for preallocated requests too
...
Otherwise we reserve requests with the assumption that they can be assigned later, and they actually might not be.
2021-06-07 13:01:39 +10:00
Matt Joiner
b80e2b08b5
Get request rebalancing working optimally!
2021-06-07 13:01:39 +10:00
Matt Joiner
4e9f707aeb
Move piece allocation to its own func
2021-06-07 13:01:39 +10:00
Matt Joiner
07ba6e9210
New tests and fixes for them
...
Not complete. There's still a request-stealing balancing issue, but it's functional for now.
2021-06-07 13:01:39 +10:00
Matt Joiner
26837ee73c
Add a working request strategy test
2021-06-07 13:01:39 +10:00
Matt Joiner
0d4e566fc0
Extract request strategy stuff into a separate module
2021-06-07 13:01:39 +10:00