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Optimize meta.ListWithCursor#1516

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cthulhu-rider merged 4 commits intonspcc-dev:masterfrom
fyrchik:metabase-list
Jun 15, 2022
Merged

Optimize meta.ListWithCursor#1516
cthulhu-rider merged 4 commits intonspcc-dev:masterfrom
fyrchik:metabase-list

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@fyrchik fyrchik commented Jun 14, 2022 •
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Total improvement:

name                        old time/op    new time/op    delta
ListWithCursor/1_item-8       10.6µs ± 1%     6.4µs ±14%  -39.20%  (p=0.000 n=7+10)
ListWithCursor/10_items-8     75.3µs ± 2%    20.9µs ±17%  -72.30%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     726µs ± 2%     153µs ±12%  -78.91%  (p=0.000 n=10+10)

name                        old alloc/op   new alloc/op   delta
ListWithCursor/1_item-8       3.19kB ± 0%    2.31kB ± 0%  -27.47%  (p=0.000 n=10+10)
ListWithCursor/10_items-8     20.7kB ± 0%     6.9kB ± 0%  -66.55%  (p=0.000 n=10+8)
ListWithCursor/100_items-8     196kB ± 0%      53kB ± 0%  -72.85%  (p=0.000 n=7+10)

name                        old allocs/op  new allocs/op  delta
ListWithCursor/1_item-8         55.0 ± 0%      40.0 ± 0%  -27.27%  (p=0.000 n=10+10)
ListWithCursor/10_items-8        346 ± 0%       121 ± 0%  -65.03%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     3.25k ± 0%     0.93k ± 0%  -71.41%  (p=0.000 n=9+10)

@fyrchik fyrchik mentioned this pull request Jun 14, 2022
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codecov bot commented Jun 14, 2022 •
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Codecov Report

Merging #1516 (8d26fff) into master (f602d05) will increase coverage by 0.05%.
The diff coverage is 97.56%.

@@            Coverage Diff             @@
##           master    #1516      +/-   ##
==========================================
+ Coverage   36.03%   36.08%   +0.05%     
==========================================
  Files         304      304              
  Lines       18048    18061      +13     
==========================================
+ Hits         6503     6518      +15     
+ Misses      10994    10993       -1     
+ Partials      551      550       -1
Impacted Files Coverage Δ
pkg/local_object_storage/metabase/list.go 98.00% <97.05%> (+2.44%) ⬆️
pkg/local_object_storage/metabase/exists.go 88.23% <100.00%> (+0.54%) ⬆️

Continue to review full report at Codecov.

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fyrchik added 4 commits June 15, 2022 15:06
@fyrchik
[nspcc-dev#1516] metabase: Add benchmark for ListWithCursor
c49fb44 
```
name                        time/op
ListWithCursor/1_item-8     10.6µs ± 1%
ListWithCursor/10_items-8   75.3µs ± 2%
ListWithCursor/100_items-8   726µs ± 2%

name                        alloc/op
ListWithCursor/1_item-8     3.19kB ± 0%
ListWithCursor/10_items-8   20.7kB ± 0%
ListWithCursor/100_items-8   196kB ± 0%

name                        allocs/op
ListWithCursor/1_item-8       55.0 ± 0%
ListWithCursor/10_items-8      346 ± 0%
ListWithCursor/100_items-8   3.25k ± 0%
```

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
@fyrchik
[nspcc-dev#1516] metabase: Cache address key and do not decode addres…
6c2c5da 
…s twice

```
name                        old time/op    new time/op    delta
ListWithCursor/1_item-8       10.6µs ± 1%     6.4µs ±13%  -39.62%  (p=0.000 n=7+10)
ListWithCursor/10_items-8     75.3µs ± 2%    30.9µs ±21%  -58.97%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     726µs ± 2%     274µs ±27%  -62.28%  (p=0.000 n=10+10)

name                        old alloc/op   new alloc/op   delta
ListWithCursor/1_item-8       3.19kB ± 0%    2.26kB ± 0%  -29.21%  (p=0.000 n=10+10)
ListWithCursor/10_items-8     20.7kB ± 0%    10.8kB ± 0%  -47.68%  (p=0.000 n=10+8)
ListWithCursor/100_items-8     196kB ± 0%      97kB ± 0%  -50.65%  (p=0.000 n=7+10)

name                        old allocs/op  new allocs/op  delta
ListWithCursor/1_item-8         55.0 ± 0%      39.0 ± 0%  -29.09%  (p=0.000 n=10+10)
ListWithCursor/10_items-8        346 ± 0%       192 ± 0%  -44.51%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     3.25k ± 0%     1.72k ± 0%  -47.13%  (p=0.000 n=9+10)
```

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
@fyrchik
[nspcc-dev#1516] metabase: Cache graveyard buckets in ListWithCursor
02b750b 
```
name                        old time/op    new time/op    delta
ListWithCursor/1_item-8       6.40µs ±13%    6.45µs ±14%     ~     (p=0.739 n=10+10)
ListWithCursor/10_items-8     30.9µs ±21%    20.9µs ±17%  -32.49%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     274µs ±27%     153µs ±12%  -44.09%  (p=0.000 n=10+10)

name                        old alloc/op   new alloc/op   delta
ListWithCursor/1_item-8       2.26kB ± 0%    2.31kB ± 0%   +2.46%  (p=0.000 n=10+10)
ListWithCursor/10_items-8     10.8kB ± 0%     6.9kB ± 0%  -36.07%  (p=0.000 n=8+8)
ListWithCursor/100_items-8    96.8kB ± 0%    53.3kB ± 0%  -44.98%  (p=0.000 n=10+10)

name                        old allocs/op  new allocs/op  delta
ListWithCursor/1_item-8         39.0 ± 0%      40.0 ± 0%   +2.56%  (p=0.000 n=10+10)
ListWithCursor/10_items-8        192 ± 0%       121 ± 0%  -36.98%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     1.72k ± 0%     0.93k ± 0%  -45.93%  (p=0.000 n=10+10)
```

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>

name                        old time/op    new time/op    delta
ListWithCursor/1_item-8       5.23µs ±19%    5.26µs ±15%     ~     (p=0.853 n=10+10)
ListWithCursor/10_items-8     27.2µs ±15%    18.0µs ±19%  -33.80%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     250µs ±13%     139µs ±15%  -44.27%  (p=0.000 n=10+10)

name                        old alloc/op   new alloc/op   delta
ListWithCursor/1_item-8       1.99kB ± 0%    2.04kB ± 0%   +2.82%  (p=0.000 n=8+8)
ListWithCursor/10_items-8     10.3kB ± 0%     6.4kB ± 0%  -37.83%  (p=0.000 n=8+10)
ListWithCursor/100_items-8    93.9kB ± 0%    50.4kB ± 0%  -46.37%  (p=0.000 n=10+10)

name                        old allocs/op  new allocs/op  delta
ListWithCursor/1_item-8         35.0 ± 0%      36.0 ± 0%   +2.86%  (p=0.000 n=10+10)
ListWithCursor/10_items-8        184 ± 0%       113 ± 0%  -38.59%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     1.67k ± 0%     0.88k ± 0%  -47.29%  (p=0.000 n=10+10)
```

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
@fyrchik
[nspcc-dev#1516] metabase: Optimize ListWithCursor for long listings
8d26fff 
Cache buckets outside of the main loop and allocate memory for the
resulting offset only once.

```
name                        old time/op    new time/op    delta
ListWithCursor/1_item-8       6.45µs ±14%    5.79µs ±11%  -10.24%  (p=0.002 n=10+10)
ListWithCursor/10_items-8     20.9µs ±17%    17.3µs ± 9%  -17.27%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     153µs ±12%     131µs ± 9%  -14.63%  (p=0.000 n=10+10)

name                        old alloc/op   new alloc/op   delta
ListWithCursor/1_item-8       2.31kB ± 0%    1.91kB ± 0%  -17.46%  (p=0.000 n=10+10)
ListWithCursor/10_items-8     6.94kB ± 0%    5.50kB ± 0%  -20.78%  (p=0.000 n=8+8)
ListWithCursor/100_items-8    53.3kB ± 0%    41.5kB ± 0%  -22.18%  (p=0.000 n=10+10)

name                        old allocs/op  new allocs/op  delta
ListWithCursor/1_item-8         40.0 ± 0%      34.0 ± 0%  -15.00%  (p=0.000 n=10+10)
ListWithCursor/10_items-8        121 ± 0%       100 ± 0%  -17.36%  (p=0.000 n=10+10)
ListWithCursor/100_items-8       930 ± 0%       758 ± 0%  -18.49%  (p=0.000 n=10+10)
```

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
carpawell
carpawell reviewed Jun 15, 2022
View reviewed changes
@cthulhu-rider cthulhu-rider merged commit 81f925d into nspcc-dev:master Jun 15, 2022
cthulhu-rider pushed a commit that referenced this pull request Jun 15, 2022
@fyrchik @cthulhu-rider
[#1516] metabase: Add benchmark for ListWithCursor
504f45e 
```
name                        time/op
ListWithCursor/1_item-8     10.6µs ± 1%
ListWithCursor/10_items-8   75.3µs ± 2%
ListWithCursor/100_items-8   726µs ± 2%

name                        alloc/op
ListWithCursor/1_item-8     3.19kB ± 0%
ListWithCursor/10_items-8   20.7kB ± 0%
ListWithCursor/100_items-8   196kB ± 0%

name                        allocs/op
ListWithCursor/1_item-8       55.0 ± 0%
ListWithCursor/10_items-8      346 ± 0%
ListWithCursor/100_items-8   3.25k ± 0%
```

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
cthulhu-rider pushed a commit that referenced this pull request Jun 15, 2022
@fyrchik @cthulhu-rider
[#1516] metabase: Cache address key and do not decode address twice
af4db8a 
```
name                        old time/op    new time/op    delta
ListWithCursor/1_item-8       10.6µs ± 1%     6.4µs ±13%  -39.62%  (p=0.000 n=7+10)
ListWithCursor/10_items-8     75.3µs ± 2%    30.9µs ±21%  -58.97%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     726µs ± 2%     274µs ±27%  -62.28%  (p=0.000 n=10+10)

name                        old alloc/op   new alloc/op   delta
ListWithCursor/1_item-8       3.19kB ± 0%    2.26kB ± 0%  -29.21%  (p=0.000 n=10+10)
ListWithCursor/10_items-8     20.7kB ± 0%    10.8kB ± 0%  -47.68%  (p=0.000 n=10+8)
ListWithCursor/100_items-8     196kB ± 0%      97kB ± 0%  -50.65%  (p=0.000 n=7+10)

name                        old allocs/op  new allocs/op  delta
ListWithCursor/1_item-8         55.0 ± 0%      39.0 ± 0%  -29.09%  (p=0.000 n=10+10)
ListWithCursor/10_items-8        346 ± 0%       192 ± 0%  -44.51%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     3.25k ± 0%     1.72k ± 0%  -47.13%  (p=0.000 n=9+10)
```

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
cthulhu-rider pushed a commit that referenced this pull request Jun 15, 2022
@fyrchik @cthulhu-rider
[#1516] metabase: Cache graveyard buckets in ListWithCursor
a93373f 
```
name                        old time/op    new time/op    delta
ListWithCursor/1_item-8       6.40µs ±13%    6.45µs ±14%     ~     (p=0.739 n=10+10)
ListWithCursor/10_items-8     30.9µs ±21%    20.9µs ±17%  -32.49%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     274µs ±27%     153µs ±12%  -44.09%  (p=0.000 n=10+10)

name                        old alloc/op   new alloc/op   delta
ListWithCursor/1_item-8       2.26kB ± 0%    2.31kB ± 0%   +2.46%  (p=0.000 n=10+10)
ListWithCursor/10_items-8     10.8kB ± 0%     6.9kB ± 0%  -36.07%  (p=0.000 n=8+8)
ListWithCursor/100_items-8    96.8kB ± 0%    53.3kB ± 0%  -44.98%  (p=0.000 n=10+10)

name                        old allocs/op  new allocs/op  delta
ListWithCursor/1_item-8         39.0 ± 0%      40.0 ± 0%   +2.56%  (p=0.000 n=10+10)
ListWithCursor/10_items-8        192 ± 0%       121 ± 0%  -36.98%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     1.72k ± 0%     0.93k ± 0%  -45.93%  (p=0.000 n=10+10)
```

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>

name                        old time/op    new time/op    delta
ListWithCursor/1_item-8       5.23µs ±19%    5.26µs ±15%     ~     (p=0.853 n=10+10)
ListWithCursor/10_items-8     27.2µs ±15%    18.0µs ±19%  -33.80%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     250µs ±13%     139µs ±15%  -44.27%  (p=0.000 n=10+10)

name                        old alloc/op   new alloc/op   delta
ListWithCursor/1_item-8       1.99kB ± 0%    2.04kB ± 0%   +2.82%  (p=0.000 n=8+8)
ListWithCursor/10_items-8     10.3kB ± 0%     6.4kB ± 0%  -37.83%  (p=0.000 n=8+10)
ListWithCursor/100_items-8    93.9kB ± 0%    50.4kB ± 0%  -46.37%  (p=0.000 n=10+10)

name                        old allocs/op  new allocs/op  delta
ListWithCursor/1_item-8         35.0 ± 0%      36.0 ± 0%   +2.86%  (p=0.000 n=10+10)
ListWithCursor/10_items-8        184 ± 0%       113 ± 0%  -38.59%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     1.67k ± 0%     0.88k ± 0%  -47.29%  (p=0.000 n=10+10)
```

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
aprasolova pushed a commit to aprasolova/neofs-node that referenced this pull request Oct 19, 2022
@fyrchik
[nspcc-dev#1516] metabase: Add benchmark for ListWithCursor
71e9b4e 
```
name                        time/op
ListWithCursor/1_item-8     10.6µs ± 1%
ListWithCursor/10_items-8   75.3µs ± 2%
ListWithCursor/100_items-8   726µs ± 2%

name                        alloc/op
ListWithCursor/1_item-8     3.19kB ± 0%
ListWithCursor/10_items-8   20.7kB ± 0%
ListWithCursor/100_items-8   196kB ± 0%

name                        allocs/op
ListWithCursor/1_item-8       55.0 ± 0%
ListWithCursor/10_items-8      346 ± 0%
ListWithCursor/100_items-8   3.25k ± 0%
```

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
aprasolova pushed a commit to aprasolova/neofs-node that referenced this pull request Oct 19, 2022
@fyrchik
[nspcc-dev#1516] metabase: Cache address key and do not decode addres…
0f2d9ec 
…s twice

```
name                        old time/op    new time/op    delta
ListWithCursor/1_item-8       10.6µs ± 1%     6.4µs ±13%  -39.62%  (p=0.000 n=7+10)
ListWithCursor/10_items-8     75.3µs ± 2%    30.9µs ±21%  -58.97%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     726µs ± 2%     274µs ±27%  -62.28%  (p=0.000 n=10+10)

name                        old alloc/op   new alloc/op   delta
ListWithCursor/1_item-8       3.19kB ± 0%    2.26kB ± 0%  -29.21%  (p=0.000 n=10+10)
ListWithCursor/10_items-8     20.7kB ± 0%    10.8kB ± 0%  -47.68%  (p=0.000 n=10+8)
ListWithCursor/100_items-8     196kB ± 0%      97kB ± 0%  -50.65%  (p=0.000 n=7+10)

name                        old allocs/op  new allocs/op  delta
ListWithCursor/1_item-8         55.0 ± 0%      39.0 ± 0%  -29.09%  (p=0.000 n=10+10)
ListWithCursor/10_items-8        346 ± 0%       192 ± 0%  -44.51%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     3.25k ± 0%     1.72k ± 0%  -47.13%  (p=0.000 n=9+10)
```

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
aprasolova pushed a commit to aprasolova/neofs-node that referenced this pull request Oct 19, 2022
@fyrchik
[nspcc-dev#1516] metabase: Cache graveyard buckets in ListWithCursor
154b6ea 
```
name                        old time/op    new time/op    delta
ListWithCursor/1_item-8       6.40µs ±13%    6.45µs ±14%     ~     (p=0.739 n=10+10)
ListWithCursor/10_items-8     30.9µs ±21%    20.9µs ±17%  -32.49%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     274µs ±27%     153µs ±12%  -44.09%  (p=0.000 n=10+10)

name                        old alloc/op   new alloc/op   delta
ListWithCursor/1_item-8       2.26kB ± 0%    2.31kB ± 0%   +2.46%  (p=0.000 n=10+10)
ListWithCursor/10_items-8     10.8kB ± 0%     6.9kB ± 0%  -36.07%  (p=0.000 n=8+8)
ListWithCursor/100_items-8    96.8kB ± 0%    53.3kB ± 0%  -44.98%  (p=0.000 n=10+10)

name                        old allocs/op  new allocs/op  delta
ListWithCursor/1_item-8         39.0 ± 0%      40.0 ± 0%   +2.56%  (p=0.000 n=10+10)
ListWithCursor/10_items-8        192 ± 0%       121 ± 0%  -36.98%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     1.72k ± 0%     0.93k ± 0%  -45.93%  (p=0.000 n=10+10)
```

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>

name                        old time/op    new time/op    delta
ListWithCursor/1_item-8       5.23µs ±19%    5.26µs ±15%     ~     (p=0.853 n=10+10)
ListWithCursor/10_items-8     27.2µs ±15%    18.0µs ±19%  -33.80%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     250µs ±13%     139µs ±15%  -44.27%  (p=0.000 n=10+10)

name                        old alloc/op   new alloc/op   delta
ListWithCursor/1_item-8       1.99kB ± 0%    2.04kB ± 0%   +2.82%  (p=0.000 n=8+8)
ListWithCursor/10_items-8     10.3kB ± 0%     6.4kB ± 0%  -37.83%  (p=0.000 n=8+10)
ListWithCursor/100_items-8    93.9kB ± 0%    50.4kB ± 0%  -46.37%  (p=0.000 n=10+10)

name                        old allocs/op  new allocs/op  delta
ListWithCursor/1_item-8         35.0 ± 0%      36.0 ± 0%   +2.86%  (p=0.000 n=10+10)
ListWithCursor/10_items-8        184 ± 0%       113 ± 0%  -38.59%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     1.67k ± 0%     0.88k ± 0%  -47.29%  (p=0.000 n=10+10)
```

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
aprasolova pushed a commit to aprasolova/neofs-node that referenced this pull request Oct 19, 2022
@fyrchik
[nspcc-dev#1516] metabase: Optimize ListWithCursor for long listings
8b88bbb 
Cache buckets outside of the main loop and allocate memory for the
resulting offset only once.

```
name                        old time/op    new time/op    delta
ListWithCursor/1_item-8       6.45µs ±14%    5.79µs ±11%  -10.24%  (p=0.002 n=10+10)
ListWithCursor/10_items-8     20.9µs ±17%    17.3µs ± 9%  -17.27%  (p=0.000 n=10+10)
ListWithCursor/100_items-8     153µs ±12%     131µs ± 9%  -14.63%  (p=0.000 n=10+10)

name                        old alloc/op   new alloc/op   delta
ListWithCursor/1_item-8       2.31kB ± 0%    1.91kB ± 0%  -17.46%  (p=0.000 n=10+10)
ListWithCursor/10_items-8     6.94kB ± 0%    5.50kB ± 0%  -20.78%  (p=0.000 n=8+8)
ListWithCursor/100_items-8    53.3kB ± 0%    41.5kB ± 0%  -22.18%  (p=0.000 n=10+10)

name                        old allocs/op  new allocs/op  delta
ListWithCursor/1_item-8         40.0 ± 0%      34.0 ± 0%  -15.00%  (p=0.000 n=10+10)
ListWithCursor/10_items-8        121 ± 0%       100 ± 0%  -17.36%  (p=0.000 n=10+10)
ListWithCursor/100_items-8       930 ± 0%       758 ± 0%  -18.49%  (p=0.000 n=10+10)
```

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
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@carpawell carpawell carpawell approved these changes

@cthulhu-rider cthulhu-rider cthulhu-rider approved these changes

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@fyrchik @carpawell @cthulhu-rider