Peter Hawkins
|
74384e6a87
|
Add a C++ safe_zip implementation.
Benchmark results on my workstation:
```
name old cpu/op new cpu/op delta
safe_zip/arg_lengths:0/num_args:1 1.22µs ± 1% 0.28µs ± 8% -77.33% (p=0.008 n=5+5)
safe_zip/arg_lengths:1/num_args:1 1.28µs ± 1% 0.34µs ± 6% -73.18% (p=0.008 n=5+5)
safe_zip/arg_lengths:2/num_args:1 1.28µs ± 1% 0.38µs ± 5% -70.26% (p=0.008 n=5+5)
safe_zip/arg_lengths:5/num_args:1 1.38µs ± 1% 0.51µs ± 3% -63.26% (p=0.008 n=5+5)
safe_zip/arg_lengths:10/num_args:1 1.61µs ± 1% 0.69µs ± 3% -56.93% (p=0.008 n=5+5)
safe_zip/arg_lengths:100/num_args:1 5.39µs ± 1% 3.83µs ± 2% -29.03% (p=0.008 n=5+5)
safe_zip/arg_lengths:0/num_args:2 1.46µs ± 1% 0.32µs ± 4% -78.30% (p=0.008 n=5+5)
safe_zip/arg_lengths:1/num_args:2 1.52µs ± 1% 0.39µs ± 4% -74.20% (p=0.008 n=5+5)
safe_zip/arg_lengths:2/num_args:2 1.53µs ± 1% 0.44µs ± 4% -71.38% (p=0.008 n=5+5)
safe_zip/arg_lengths:5/num_args:2 1.66µs ± 2% 0.60µs ± 3% -63.96% (p=0.008 n=5+5)
safe_zip/arg_lengths:10/num_args:2 1.90µs ± 1% 0.82µs ± 3% -56.66% (p=0.008 n=5+5)
safe_zip/arg_lengths:100/num_args:2 6.51µs ± 1% 4.80µs ± 0% -26.23% (p=0.016 n=5+4)
safe_zip/arg_lengths:0/num_args:3 1.62µs ± 1% 0.36µs ± 4% -77.95% (p=0.008 n=5+5)
safe_zip/arg_lengths:1/num_args:3 1.68µs ± 1% 0.44µs ± 3% -73.75% (p=0.008 n=5+5)
safe_zip/arg_lengths:2/num_args:3 1.69µs ± 1% 0.50µs ± 3% -70.48% (p=0.008 n=5+5)
safe_zip/arg_lengths:5/num_args:3 1.83µs ± 1% 0.68µs ± 2% -62.73% (p=0.008 n=5+5)
safe_zip/arg_lengths:10/num_args:3 2.12µs ± 1% 0.96µs ± 1% -54.71% (p=0.008 n=5+5)
safe_zip/arg_lengths:100/num_args:3 7.34µs ± 2% 5.89µs ± 1% -19.74% (p=0.008 n=5+5)
```
In addition, improve the length mismatch error for safe_map and define __module__ on both functions.
PiperOrigin-RevId: 523475834
|
2023-04-11 12:43:04 -07:00 |
|
Peter Hawkins
|
0dbd467cea
|
Add a C++ implementation of safe map.
Before (argument names reversed, oops, fixed in code):
```
name time/op
safe_map/num_args:0/arg_lengths:1 1.43µs ± 1%
safe_map/num_args:1/arg_lengths:1 1.61µs ± 1%
safe_map/num_args:2/arg_lengths:1 1.72µs ± 0%
safe_map/num_args:5/arg_lengths:1 2.14µs ± 1%
safe_map/num_args:10/arg_lengths:1 2.87µs ± 1%
safe_map/num_args:100/arg_lengths:1 15.6µs ± 1%
safe_map/num_args:0/arg_lengths:2 1.65µs ± 0%
safe_map/num_args:1/arg_lengths:2 1.83µs ± 1%
safe_map/num_args:2/arg_lengths:2 1.97µs ± 1%
safe_map/num_args:5/arg_lengths:2 2.41µs ± 1%
safe_map/num_args:10/arg_lengths:2 3.22µs ± 2%
safe_map/num_args:100/arg_lengths:2 17.0µs ± 2%
safe_map/num_args:0/arg_lengths:3 1.83µs ± 1%
safe_map/num_args:1/arg_lengths:3 2.02µs ± 1%
safe_map/num_args:2/arg_lengths:3 2.16µs ± 1%
safe_map/num_args:5/arg_lengths:3 2.63µs ± 1%
safe_map/num_args:10/arg_lengths:3 3.48µs ± 1%
safe_map/num_args:100/arg_lengths:3 18.1µs ± 1%
```
After:
```
name time/op
safe_map/num_args:0/arg_lengths:1 409ns ± 1%
safe_map/num_args:1/arg_lengths:1 602ns ± 5%
safe_map/num_args:2/arg_lengths:1 777ns ± 4%
safe_map/num_args:5/arg_lengths:1 1.21µs ± 3%
safe_map/num_args:10/arg_lengths:1 1.93µs ± 2%
safe_map/num_args:100/arg_lengths:1 14.7µs ± 0%
safe_map/num_args:0/arg_lengths:2 451ns ± 1%
safe_map/num_args:1/arg_lengths:2 652ns ± 0%
safe_map/num_args:2/arg_lengths:2 850ns ± 4%
safe_map/num_args:5/arg_lengths:2 1.32µs ± 3%
safe_map/num_args:10/arg_lengths:2 2.11µs ± 2%
safe_map/num_args:100/arg_lengths:2 16.0µs ± 1%
safe_map/num_args:0/arg_lengths:3 496ns ± 1%
safe_map/num_args:1/arg_lengths:3 718ns ± 5%
safe_map/num_args:2/arg_lengths:3 919ns ± 4%
safe_map/num_args:5/arg_lengths:3 1.43µs ± 2%
safe_map/num_args:10/arg_lengths:3 2.30µs ± 2%
safe_map/num_args:100/arg_lengths:3 17.3µs ± 1%
```
PiperOrigin-RevId: 523263207
|
2023-04-10 18:09:56 -07:00 |
|