Commits · v0.0.2 · dms3 / go-dms3-chunker

10 Aug, 2021 1 commit
- initial port · f05c2f85
  tavit ohanian authored Aug 10, 2021
  
  f05c2f85
26 Mar, 2020 1 commit
- fix: don't return an empty block at the end · ca4d27be
  Steven Allen authored Mar 25, 2020
  
  ca4d27be
06 Nov, 2019 1 commit

Improve performance of buzhash · 79bdab24

Jakub Sztandera authored Nov 06, 2019

```
name             old time/op    new time/op    delta
Buzhash2/1K-4       610ns ± 4%     643ns ±16%    ~     (p=0.421 n=8+10)
Buzhash2/1M-4      1.25ms ± 5%    1.16ms ± 4%  -7.31%  (p=0.000 n=10+10)
Buzhash2/16M-4     19.2ms ± 2%    17.5ms ± 2%  -8.73%  (p=0.000 n=9+9)
Buzhash2/100M-4     117ms ± 1%     107ms ± 3%  -8.26%  (p=0.000 n=10+10)

name             old speed      new speed      delta
Buzhash2/1K-4    1.68GB/s ± 4%  1.60GB/s ±14%    ~     (p=0.408 n=8+10)
Buzhash2/1M-4     842MB/s ± 5%   908MB/s ± 3%  +7.86%  (p=0.000 n=10+10)
Buzhash2/16M-4    875MB/s ± 2%   959MB/s ± 2%  +9.57%  (p=0.000 n=9+9)
Buzhash2/100M-4   897MB/s ± 1%   977MB/s ± 3%  +9.02%  (p=0.000 n=10+10)

name             old alloc/op   new alloc/op   delta
Buzhash2/1K-4      1.17kB ± 1%    1.17kB ± 0%  -0.50%  (p=0.006 n=10+10)
Buzhash2/1M-4      1.08MB ± 1%    1.07MB ± 0%    ~     (p=0.739 n=10+10)
Buzhash2/16M-4     17.1MB ± 0%    17.1MB ± 0%    ~     (p=0.579 n=10+10)
Buzhash2/100M-4     106MB ± 0%     106MB ± 0%  -0.01%  (p=0.000 n=9+7)

name             old allocs/op  new allocs/op  delta
Buzhash2/1K-4        3.00 ± 0%      3.00 ± 0%    ~     (all equal)
Buzhash2/1M-4        8.00 ± 0%      8.00 ± 0%    ~     (all equal)
Buzhash2/16M-4       72.0 ± 0%      72.0 ± 0%    ~     (all equal)
Buzhash2/100M-4       406 ± 0%       406 ± 0%    ~     (all equal)
```

License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protocol.ai>

79bdab24

07 Oct, 2019 3 commits

Cleanup buf usage · 462a6eb4
Jakub Sztandera authored Oct 07, 2019
```
License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protocol.ai>
```
462a6eb4

Do not exit if buffer is not full. · 5ac3082b

Jakub Sztandera authored Oct 07, 2019

License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protocol.ai>

License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protocol.ai>

5ac3082b

Improve benchmarks · 25cb45d1
Jakub Sztandera authored Oct 07, 2019
```
License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protocol.ai>
```
25cb45d1

06 Oct, 2019 4 commits

Don't use pools for result buffers · b1c398a9

Jakub Sztandera authored Oct 06, 2019

Don't return them either in benchmarks

License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protocol.ai>

b1c398a9

Invalidate buf pointer after returning it to the pool · 9e34967a
Jakub Sztandera authored Oct 06, 2019
```
License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protocol.ai>
```
9e34967a
Combine if conditions · 29aeb2c8
Jakub Sztandera authored Oct 06, 2019
```
License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protocol.ai>
```
29aeb2c8

Implement buzhash · 8dc88590

Jakub Sztandera authored Oct 06, 2019

It has the same properites as Rabin.

Benchmark results:
```
name       time/op
Buzhash-4    14.3ms ± 7%
Rabin-4      94.1ms ± 3%
Default-4    1.74ms ± 7%

name       speed
Buzhash-4  1.18GB/s ± 7%
Rabin-4     178MB/s ± 3%
Default-4  9.63GB/s ± 6%

name       alloc/op
Buzhash-4    14.0kB ±48%
Rabin-4      19.2MB ± 0%
Default-4      474B ± 6%

name       allocs/op
Buzhash-4      1.00 ± 0%
Rabin-4         196 ±12%
Default-4      2.00 ± 0%
```

License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protocol.ai>

8dc88590