Refactor SEG-Y export to optimize memory usage.

[tasansal]

closes #34

ref: Dask Discourse

Proposed graph for 3D below. 2D or 4D is similar, with less or more hierarchy.

There are a few minor changes not related to export.

[codecov-commenter]

Codecov Report

Merging #109 (7397304) into main (6f95fa5) will increase coverage by 0.26%.
The diff coverage is 84.76%.

@@            Coverage Diff             @@
##             main     #109      +/-   ##
==========================================
+ Coverage   81.45%   81.72%   +0.26%     
==========================================
  Files          42       43       +1     
  Lines        1564     1647      +83     
  Branches      171      178       +7     
==========================================
+ Hits         1274     1346      +72     
- Misses        256      264       +8     
- Partials       34       37       +3     

Impacted Files	Coverage Δ
src/mdio/segy/_standards_rev0.py	0.00% <0.00%> (ø)
tests/integration/test_segy_import_export.py	100.00% <ø> (ø)
src/mdio/__init__.py	81.81% <50.00%> (-18.19%)	⬇️
src/mdio/converters/segy.py	75.36% <50.00%> (-1.92%)	⬇️
src/mdio/segy/_workers.py	22.95% <66.66%> (-15.88%)	⬇️
src/mdio/segy/byte_utils.py	80.48% <69.23%> (-3.89%)	⬇️
src/mdio/segy/utilities.py	84.84% <78.57%> (-6.07%)	⬇️
src/mdio/converters/mdio.py	71.42% <85.71%> (-8.58%)	⬇️
src/mdio/segy/blocked_io.py	89.13% <87.09%> (-1.04%)	⬇️
src/mdio/segy/creation.py	94.31% <94.64%> (+3.62%)	⬆️
... and 4 more

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

[tasansal]

This has significant improvements to memory usage:

dask/distributed#7128

import dask
import distributed

with dask.config.set({"distributed.scheduler.worker-saturation": "1.0"}):
    client = distributed.Client(...)

[tasansal]

@srib can you take a look when you have a chance, the entire export logic changed here, would be good to have a second set of eyes.