[webgpu] Use multiplication instead of pow if exponent is 2 #18598
| Job | Run time |
|---|---|
| 1h 8m 35s | |
| 1h 1m 43s | |
| 2m 36s | |
| 38m 33s | |
| 1h 18m 37s | |
| 1h 4m 56s | |
| 58m 32s | |
| 1h 4m 3s | |
| 1h 16m 16s | |
| 1h 23m 47s | |
| 1h 20m 59s | |
| 2h 49m 21s | |
| 1h 4m 56s | |
| 1h 23m 47s | |
| 1h 20m 59s | |
| 38m 33s | |
| 1h 23m 25s | |
| 1h 8m 35s | |
| 2m 36s | |
| 1h 16m 16s | |
| 1h 1m 43s | |
| 58m 32s | |
| 1h 18m 37s | |
| 1h 4m 3s | |
| 1d 2h 50m 0s |