Enhance super_len to count encoded bytes for str
#875
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|---|---|
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| 1m 32s | |
| 3m 17s | |
| 1m 28s | |
| 1m 57s | |
| 3m 22s | |
| 1m 28s | |
| 1m 34s | |
| 3m 15s | |
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| 3m 17s | |
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| 3m 19s | |
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| 4m 7s | |
| 1m 44s | |
| 2m 0s | |
| 4m 24s | |
| 48m 3s |