Short Overview: today I analyze / address an impressive claim -- that cpython's hash can be changed and improve performance drastically! today I show how I tracked down a performance regression, how I fixed it, and ultimately how it made pip way faster!

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today I analyze / address an impressive claim -- that cpython's hash can be changed and improve performance drastically! today I show how I tracked down a performance regression, how I fixed it, and ultimately how it made pip way faster! today I show you a surprisingly slow part of flake8 that got fixed in 5.0 - pretty profiling: ...

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  • today I analyze / address an impressive claim -- that cpython's hash can be changed and improve performance drastically!
  • today I show how I tracked down a performance regression, how I fixed it, and ultimately how it made pip way faster!
  • today I show you a surprisingly slow part of flake8 that got fixed in 5.0 - pretty profiling: ...
  • (it now can reorder all of pre-commit faster than `isort` can import!) - pretty

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how I sped up python by 20ms (intermediate) anthony explains #417
I made pip startup 25% faster (intermediate) anthony explains #427
is python with types faster? (intermediate) anthony explains #126
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pure python windows .exe (no compiler!) (intermediate) anthony explains #107
how I sped up flake8 by 20% (intermediate) anthony explains #460
python: why is -c faster than -m? (intermediate) anthony explains #222
what are python doctests? (beginner - intermediate) anthony explains #300
from imports aren't faster! (beginner - intermediate) anthony explains #398
can cpython be 76% faster by changing hash()? (no) (intermediate) anthony explains #269
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how I sped up python by 20ms (intermediate) anthony explains #417

how I sped up python by 20ms (intermediate) anthony explains #417

Read more details and related context about how I sped up python by 20ms (intermediate) anthony explains #417.

I made pip startup 25% faster (intermediate) anthony explains #427

I made pip startup 25% faster (intermediate) anthony explains #427

today I show how I tracked down a performance regression, how I fixed it, and ultimately how it made pip way faster! - what is git ...

is python with types faster? (intermediate) anthony explains #126

is python with types faster? (intermediate) anthony explains #126

Read more details and related context about is python with types faster? (intermediate) anthony explains #126.

how I made my import sorter 7x faster (intermediate) anthony explains #457

how I made my import sorter 7x faster (intermediate) anthony explains #457

and I actually went a bit further after recording! (it now can reorder all of pre-commit faster than `isort` can import!) - pretty

pure python windows .exe (no compiler!) (intermediate) anthony explains #107

pure python windows .exe (no compiler!) (intermediate) anthony explains #107

Read more details and related context about pure python windows .exe (no compiler!) (intermediate) anthony explains #107.

how I sped up flake8 by 20% (intermediate) anthony explains #460

how I sped up flake8 by 20% (intermediate) anthony explains #460

another performance video! today I show you a surprisingly slow part of flake8 that got fixed in 5.0 - pretty profiling: ...

python: why is -c faster than -m? (intermediate) anthony explains #222

python: why is -c faster than -m? (intermediate) anthony explains #222

today I answer an interesting question which surprised me -- why is `

what are python doctests? (beginner - intermediate) anthony explains #300

what are python doctests? (beginner - intermediate) anthony explains #300

Read more details and related context about what are python doctests? (beginner - intermediate) anthony explains #300.

from imports aren't faster! (beginner - intermediate) anthony explains #398

from imports aren't faster! (beginner - intermediate) anthony explains #398

Read more details and related context about from imports aren't faster! (beginner - intermediate) anthony explains #398.

can cpython be 76% faster by changing hash()? (no) (intermediate) anthony explains #269

can cpython be 76% faster by changing hash()? (no) (intermediate) anthony explains #269

today I analyze / address an impressive claim -- that cpython's hash can be changed and improve performance drastically!