perf: bitpack encoding for LID and MID blocks (draft)

[cheb0]

Description

Fixes #317

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[cheb0]

@seqbenchbot up search-keyword-exact-match

[seqbenchbot]

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[cheb0]

@seqbenchbot up main search-keyword-exact-match

[seqbenchbot]

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Identificator for your ongoing benchmark - af3bd0e0.

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[github-actions]

🔴 Performance Degradation

Some benchmarks have degraded compared to the previous run.
Click on Show table button to see full list of degraded benchmarks.

Show table

Name	Previous	Current	Ratio	Verdict
Block_Pack-4	------	1460f0
	NaN B/op	1144.00 B/op	NaN	🔴
	NaN allocs/op	8.00 allocs/op	NaN	🔴
	NaN ns/op	1459.00 ns/op	NaN	🔴
Block_Unpack-4	------	1460f0
	NaN B/op	19006.00 B/op	NaN	🔴
	NaN allocs/op	3.00 allocs/op	NaN	🔴
	NaN ns/op	6432.00 ns/op	NaN	🔴
ProcessDocuments-4	e2e0db	1460f0
	381.00 B/op	33575.00 B/op	88.12	🔴
	4.00 allocs/op	5.00 allocs/op	1.25	🔴
Sealing_NoSort-4	e2e0db	1460f0
	24848384.00 B/op	71103536.00 B/op	2.86	🔴
	5903.00 allocs/op	19957.00 allocs/op	3.38	🔴
Sealing_WithSort-4	e2e0db	1460f0
	42308296.00 B/op	87612088.00 B/op	2.07	🔴
	5994.00 allocs/op	20015.00 allocs/op	3.34	🔴

[codecov-commenter]

Codecov Report

❌ Patch coverage is 68.08511% with 90 lines in your changes missing coverage. Please review.
✅ Project coverage is 71.53%. Comparing base (a81b353) to head (d73e08a).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
frac/sealed/lids/block2.go	0.00%	44 Missing ⚠️
packer/bitpack_unpacker.go	54.44%	32 Missing and 9 partials ⚠️
packer/bitpack_packer.go	88.57%	2 Missing and 2 partials ⚠️
frac/sealed/seqids/loader.go	66.66%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #327      +/-   ##
==========================================
- Coverage   71.56%   71.53%   -0.04%     
==========================================
  Files         204      207       +3     
  Lines       14763    15013     +250     
==========================================
+ Hits        10565    10739     +174     
- Misses       3442     3512      +70     
- Partials      756      762       +6     

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[cheb0]

@seqbenchbot down af3bd0e0

[seqbenchbot]

Nice, @cheb0 <(-^,^-)=b!

Your request was successfully served.
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