Fix async generator issue and prefer opcode comparison to name comparison everywhere

[MatthieuDartiailh]

Closes #178

[codecov-commenter]

Codecov Report

❌ Patch coverage is 96.96970% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 95.16%. Comparing base (5229b3e) to head (2d9a0fd).

Files with missing lines	Patch %	Lines
src/bytecode/concrete.py	75.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #179   +/-   ##
=======================================
  Coverage   95.16%   95.16%           
=======================================
  Files           7        7           
  Lines        2025     2028    +3     
  Branches      452      449    -3     
=======================================
+ Hits         1927     1930    +3     
  Misses         54       54           
  Partials       44       44           

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[MatthieuDartiailh]

Running the benchmark found in #172 does not show a significant improvement (on one run it looks faster on average but the variance is large).

[P403n1x87]

@MatthieuDartiailh thanks for putting this together and apologies for the late reply but I've not had much time to look into this. It sounds like there are no measurable performance improvements from this, but I think there still is the advantage of cleaner coding anyway. May I suggest splitting this PR into 3 separate ones to address the 3 individual goals and keep the git history cleaner?

[MatthieuDartiailh]

Sure I can split the work between dropping 3.9 and 3.10 (and subsequent simplifications) and the rest. But what is the third part you would have seen ? @P403n1x87

[P403n1x87]

what is the third part you would have seen ?

Based on the PR title I thought this PR had 3 parts:

• Drop 3.9 and 3.10
• simplify code base
• fix async gen issue

[MatthieuDartiailh]

Yes but dumping 3.9 and 3.10 without taking advantage of that to remove the related version checks feels like unfinished work to me. I will split in 2.