Michael Eischer
b6d79bdf6f
restic: decouple restic.Handle
2023-10-25 22:54:07 +02:00
greatroar
22147e1e02
all: Minor cleanups
...
if x { return true } return false => return x
fmt.Sprintf("%v", x) => fmt.Sprint(x) or x.String()
The fmt.Sprintf idiom is still used in the SecretString tests, where it
serves security hardening.
2022-10-16 10:50:39 +02:00
Michael Eischer
8c11fc3ec9
crypto: move crypto buffer helpers
2022-07-17 13:42:23 +02:00
Michael Eischer
6fb408d90e
repository: implement pack compression
2022-04-30 11:34:10 +02:00
Alexander Weiss
aa7a5f19c2
Use BlobHandle in index methods
2020-11-22 20:41:12 +01:00
Alexander Weiss
92bd448691
Make BlobHandle substruct of Blob
2020-11-22 20:41:10 +01:00
Alexander Weiss
ce7d613749
Add Blob.Handle()
2020-11-03 16:42:21 +01:00
greatroar
7bda28f31f
Chaining hash table for repository.Index
...
These are faster to construct but slower to access. The allocation rate
is halved, the peak memory usage almost halved compared to standard map.
Benchmark results on linux/amd64, -benchtime=3s -count=20:
name old time/op new time/op delta
PackerManager-8 178ms ± 0% 178ms ± 0% ~ (p=0.231 n=20+20)
DecodeIndex-8 4.54s ± 0% 4.30s ± 0% -5.20% (p=0.000 n=18+17)
DecodeIndexParallel-8 4.54s ± 0% 4.30s ± 0% -5.22% (p=0.000 n=19+18)
IndexHasUnknown-8 44.4ns ± 5% 50.5ns ±11% +13.82% (p=0.000 n=19+17)
IndexHasKnown-8 48.3ns ± 0% 51.5ns ±12% +6.68% (p=0.001 n=16+20)
IndexAlloc-8 758ms ± 1% 616ms ± 1% -18.69% (p=0.000 n=19+19)
IndexAllocParallel-8 234ms ± 3% 204ms ± 2% -12.60% (p=0.000 n=20+18)
MasterIndexLookupSingleIndex-8 122ns ± 0% 145ns ± 9% +18.44% (p=0.000 n=14+20)
MasterIndexLookupMultipleIndex-8 369ns ± 2% 429ns ± 8% +16.27% (p=0.000 n=20+20)
MasterIndexLookupSingleIndexUnknown-8 68.4ns ± 5% 74.9ns ±13% +9.47% (p=0.000 n=20+20)
MasterIndexLookupMultipleIndexUnknown-8 315ns ± 3% 369ns ±11% +17.14% (p=0.000 n=20+20)
MasterIndexLookupParallel/known,indices=5-8 743ns ± 1% 816ns ± 2% +9.87% (p=0.000 n=17+17)
MasterIndexLookupParallel/unknown,indices=5-8 238ns ± 1% 260ns ± 2% +9.14% (p=0.000 n=19+20)
MasterIndexLookupParallel/known,indices=10-8 1.01µs ± 3% 1.11µs ± 2% +9.79% (p=0.000 n=19+20)
MasterIndexLookupParallel/unknown,indices=10-8 222ns ± 0% 269ns ± 2% +20.83% (p=0.000 n=16+20)
MasterIndexLookupParallel/known,indices=20-8 1.06µs ± 2% 1.19µs ± 2% +12.95% (p=0.000 n=19+18)
MasterIndexLookupParallel/unknown,indices=20-8 413ns ± 1% 530ns ± 1% +28.19% (p=0.000 n=18+20)
SaveAndEncrypt-8 30.2ms ± 1% 30.4ms ± 0% +0.71% (p=0.000 n=19+19)
LoadTree-8 540µs ± 1% 576µs ± 1% +6.73% (p=0.000 n=20+20)
LoadBlob-8 5.64ms ± 0% 5.64ms ± 0% ~ (p=0.883 n=18+17)
LoadAndDecrypt-8 5.93ms ± 0% 5.95ms ± 1% ~ (p=0.247 n=20+19)
LoadIndex-8 25.1ms ± 0% 24.5ms ± 1% -2.54% (p=0.000 n=18+17)
name old speed new speed delta
PackerManager-8 296MB/s ± 0% 296MB/s ± 0% ~ (p=0.229 n=20+20)
SaveAndEncrypt-8 139MB/s ± 1% 138MB/s ± 0% -0.71% (p=0.000 n=19+19)
LoadBlob-8 177MB/s ± 0% 177MB/s ± 0% ~ (p=0.890 n=18+17)
LoadAndDecrypt-8 169MB/s ± 0% 168MB/s ± 1% ~ (p=0.227 n=20+19)
name old alloc/op new alloc/op delta
PackerManager-8 91.8kB ± 0% 91.8kB ± 0% ~ (p=0.772 n=12+19)
IndexAlloc-8 786MB ± 0% 400MB ± 0% -49.04% (p=0.000 n=20+18)
IndexAllocParallel-8 786MB ± 0% 401MB ± 0% -49.04% (p=0.000 n=19+15)
SaveAndEncrypt-8 21.0MB ± 0% 21.0MB ± 0% +0.00% (p=0.000 n=19+19)
name old allocs/op new allocs/op delta
PackerManager-8 1.41k ± 0% 1.41k ± 0% ~ (all equal)
IndexAlloc-8 977k ± 0% 907k ± 0% -7.18% (p=0.000 n=20+20)
IndexAllocParallel-8 977k ± 0% 907k ± 0% -7.17% (p=0.000 n=19+15)
SaveAndEncrypt-8 73.0 ± 0% 73.0 ± 0% ~ (all equal)
2020-07-19 13:58:22 +02:00
Alexander Neumann
23c903074c
Move restic package to internal/restic
2017-07-24 17:43:32 +02:00
