Commit graph

12 commits

Author SHA1 Message Date
665e5807bc [#188] transformer: Allow to provide size hint
For big objects with known size we can optimize allocation patterns
by providing size hint. As with any hint, it does not affect transformer
functionality: slices with capacity > MaxSize are never allocated.

```
goos: linux
goarch: amd64
pkg: git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/transformer
cpu: 11th Gen Intel(R) Core(TM) i5-1135G7 @ 2.40GHz
                                                │     out     │
                                                │   sec/op    │
Transformer/small/no_size_hint-8                  65.44µ ± 3%
Transformer/small/no_size_hint,_with_buffer-8     64.24µ ± 5%
Transformer/small/with_size_hint,_with_buffer-8   58.70µ ± 5%
Transformer/big/no_size_hint-8                    367.8m ± 3%
Transformer/big/no_size_hint,_with_buffer-8       562.7m ± 0%
Transformer/big/with_size_hint,_with_buffer-8     385.6m ± 7%
geomean                                           5.197m

                                                │     out      │
                                                │     B/op     │
Transformer/small/no_size_hint-8                  13.40Ki ± 0%
Transformer/small/no_size_hint,_with_buffer-8     13.40Ki ± 0%
Transformer/small/with_size_hint,_with_buffer-8   13.39Ki ± 0%
Transformer/big/no_size_hint-8                    288.0Mi ± 0%
Transformer/big/no_size_hint,_with_buffer-8       1.390Gi ± 0%
Transformer/big/with_size_hint,_with_buffer-8     288.0Mi ± 0%
geomean                                           2.533Mi

                                                │    out     │
                                                │ allocs/op  │
Transformer/small/no_size_hint-8                  92.00 ± 0%
Transformer/small/no_size_hint,_with_buffer-8     92.00 ± 0%
Transformer/small/with_size_hint,_with_buffer-8   92.00 ± 0%
Transformer/big/no_size_hint-8                    546.5 ± 0%
Transformer/big/no_size_hint,_with_buffer-8       607.5 ± 0%
Transformer/big/with_size_hint,_with_buffer-8     545.5 ± 0%
geomean                                           228.1
```

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
2023-10-30 12:13:04 +00:00
c359a7465a [#64] transformer: Simplify interface
Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
2023-07-11 07:33:12 +00:00
d4fe9a193d [#66] transformer: Accept constructor in NextTarget
The code of frostfs-node is not yet ready to reuse egress target for
multiple objects, let's postpone until #64.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
2023-05-03 11:22:09 +03:00
c42a6119ff [#66] transformer: Extend tests
Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
2023-05-03 11:22:09 +03:00
0fa23a9b14 [#63] transformer: Add context to methods
Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
2023-04-25 13:29:42 +03:00
d589d51509 [#19] transformer: Fix dependencies
Signed-off-by: Denis Kirillov <d.kirillov@yadro.com>
2023-03-16 09:51:03 +03:00
e45647de3c [#19] transformer: Do not reuse memory of sent objects
Slower, but more correct.
```
name                 old time/op    new time/op    delta
Transformer/small-8    72.4µs ± 8%    74.8µs ±11%     ~     (p=0.278 n=9+10)
Transformer/big-8       1.31s ± 8%     1.38s ±11%   +5.50%  (p=0.035 n=10+10)

name                 old alloc/op   new alloc/op   delta
Transformer/small-8    7.39kB ± 0%    7.69kB ± 0%   +4.04%  (p=0.000 n=10+10)
Transformer/big-8      46.9kB ± 0%    49.2kB ± 0%   +4.87%  (p=0.000 n=10+10)

name                 old allocs/op  new allocs/op  delta
Transformer/small-8      94.6 ± 1%     102.0 ± 0%   +7.82%  (p=0.000 n=10+9)
Transformer/big-8         560 ± 0%       620 ± 1%  +10.66%  (p=0.000 n=10+10)
```

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
2023-03-15 05:39:09 +00:00
611e20587b [#19] transformer/test: Check owner ID and payload hash for parts
Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
2023-03-15 05:39:09 +00:00
eba6831125 [#19] transformer/test: Add helper functions
Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
2023-03-15 05:39:09 +00:00
cc0fef2c55 [#19] transformer: Merge formatter and payload splitter
Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
2023-03-15 05:39:09 +00:00
1c94309d7a [#19] transformer: Simplify AccessIdentifiers
Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
2023-03-15 05:39:09 +00:00
f43f18ecda [#19] transformer: Cover with unit-tests
Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
2023-03-15 05:39:09 +00:00