Vastly improve perf of parsing bulk strings

[whatyouhide]

Closes https://github.com/whatyouhide/redix/issues/246.

Benchmarks are here 👇

Benchmark run from 2023-04-17 06:05:51.925956Z UTC ## System Benchmark suite executing on the following system:

Operating System	macOS
CPU Information	Apple M1 Pro
Number of Available Cores	8
Available Memory	16 GB
Elixir Version	1.14.3
Erlang Version	25.3

## Configuration Benchmark suite executing with the following configuration:

:time	5 s
:parallel	1
:warmup	2 s

## Statistics Run Time

Name	IPS	Average	Devitation	Median	99th %
parse a bulk string split into 1kb chunks (eredis)	2962582.03	0.00034 ms	±291.72%	0.00033 ms	0.00046 ms
parse a bulk string split into 1kb chunks (Redix with improvements)	2196301.58	0.00046 ms	±6621.11%	0.00038 ms	0.00054 ms
parse a bulk string split into 1kb chunks (Redix main)	2068512.05	0.00048 ms	±35.03%	0.00050 ms	0.00063 ms
parse a bulk string split into 1kb chunks (Redix with improvements)	20124.97	0.0497 ms	±40.51%	0.0476 ms	0.100 ms
parse a bulk string split into 1kb chunks (eredis)	3049.79	0.33 ms	±19.15%	0.32 ms	0.47 ms
parse a bulk string split into 1kb chunks (Redix with improvements)	176.51	5.67 ms	±36.97%	4.37 ms	11.15 ms
parse a bulk string split into 1kb chunks (Redix main)	20.48	48.82 ms	±4.70%	47.85 ms	53.70 ms
parse a bulk string split into 1kb chunks (eredis)	18.01	55.53 ms	±6.38%	55.92 ms	62.92 ms
parse a bulk string split into 1kb chunks (Redix main)	0.00288	347032.56 ms	±0.00%	347032.56 ms	347032.56 ms

Run Time Comparison

Name	IPS	Slower
parse a bulk string split into 1kb chunks (eredis)	2962582.03
parse a bulk string split into 1kb chunks (Redix with improvements)	2196301.58	1.35x
parse a bulk string split into 1kb chunks (Redix main)	2068512.05	1.43x
parse a bulk string split into 1kb chunks (Redix with improvements)	20124.97	147.21x
parse a bulk string split into 1kb chunks (eredis)	3049.79	971.4x
parse a bulk string split into 1kb chunks (Redix with improvements)	176.51	16784.5x
parse a bulk string split into 1kb chunks (Redix main)	20.48	144624.87x
parse a bulk string split into 1kb chunks (eredis)	18.01	164517.97x
parse a bulk string split into 1kb chunks (Redix main)	0.00288	1028112417.69x

[github-actions[bot]]

Pull Request Test Coverage Report for Build c11c2d5e8ba238f6b2be6d802dd02264d68caba0-PR-247

• 9 of 9 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.04%) to 85.983%

---

Totals
Change from base Build b890b0bb2e2903706384eb433ae6a288feebca2d:	0.04%
Covered Lines:	595
Relevant Lines:	692

---

💛 - Coveralls