Reduce number of ^ calls

[charleskawczynski]

This PR

• Adds a few methods that allow us to compute saturation vapor pressure ahead of time
• Reduce the number of saturation vapor pressure calls using these new methods
• a step towards Consider caching saturation vapor pressure #119

[codecov]

Codecov Report

Merging #124 (0bbe8f0) into main (e6eaddc) will increase coverage by 0.16%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #124      +/-   ##
==========================================
+ Coverage   93.83%   93.99%   +0.16%     
==========================================
  Files           8        8              
  Lines         989     1016      +27     
==========================================
+ Hits          928      955      +27     
  Misses         61       61              

Impacted Files	Coverage Δ
src/relations.jl	97.01% <100.00%> (+0.13%)	⬆️

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[charleskawczynski]

Nice!

main

┌───────────────────────────┬──────────┬──────────┬────────────┬────────────┬────────────┬────────────┬───────────┐
│ Constructor               │   Memory │   allocs │       Time │       Time │       Time │       Time │ N-samples │
│ (+conditions)             │ estimate │ estimate │        min │        max │       mean │     median │           │
├───────────────────────────┼──────────┼──────────┼────────────┼────────────┼────────────┼────────────┼───────────┤
│ PhaseEquil_ρeq_dry        │  0 bytes │        0 │ 336.667 ns │   5.456 μs │ 344.022 ns │ 337.662 ns │     10000 │
│ PhaseEquil_ρeq_sat_adjust │  0 bytes │        0 │   2.151 μs │   7.897 μs │   2.189 μs │   2.156 μs │     10000 │
│ PhaseEquil_ρTq_dry        │  0 bytes │        0 │ 178.780 ns │   6.479 μs │ 184.243 ns │ 179.137 ns │     10000 │
│ PhaseEquil_ρTq_moist      │  0 bytes │        0 │ 178.983 ns │   1.812 μs │ 183.409 ns │ 179.622 ns │     10000 │
│ PhaseEquil_pTq_dry        │  0 bytes │        0 │ 183.358 ns │ 389.942 ns │ 187.228 ns │ 183.732 ns │     10000 │
│ PhaseEquil_pTq_moist      │  0 bytes │        0 │ 183.613 ns │   2.318 μs │ 187.827 ns │ 184.116 ns │     10000 │
│ PhaseEquil_peq_dry        │  0 bytes │        0 │ 344.014 ns │   1.614 μs │ 352.050 ns │ 345.035 ns │     10000 │
│ PhaseEquil_peq_sat_adjust │  0 bytes │        0 │   6.666 μs │  27.488 μs │   6.822 μs │   6.691 μs │     10000 │
│ PhaseEquil_phq_dry        │  0 bytes │        0 │ 350.967 ns │ 895.444 ns │ 359.060 ns │ 351.752 ns │     10000 │
│ PhaseEquil_phq_sat_adjust │  0 bytes │        0 │   5.636 μs │  13.465 μs │   5.759 μs │   5.654 μs │     10000 │
│ PhaseEquil_ρθq_dry        │  0 bytes │        0 │ 478.755 ns │   1.038 μs │ 488.521 ns │ 479.827 ns │     10000 │
│ PhaseEquil_ρθq_sat_adjust │  0 bytes │        0 │  10.448 μs │  47.090 μs │  10.712 μs │  10.505 μs │     10000 │
│ PhaseEquil_pθq_dry        │  0 bytes │        0 │ 475.694 ns │   1.292 μs │ 486.518 ns │ 477.714 ns │     10000 │
│ PhaseEquil_pθq_sat_adjust │  0 bytes │        0 │   2.644 μs │  12.485 μs │   2.710 μs │   2.650 μs │     10000 │
│ PhaseEquil_ρpq_dry        │  0 bytes │        0 │  19.732 ns │  53.938 ns │  20.225 ns │  19.739 ns │     10000 │
│ PhaseEquil_ρpq_sat_adjust │  0 bytes │        0 │  19.732 ns │  57.776 ns │  20.246 ns │  19.818 ns │     10000 │
└───────────────────────────┴──────────┴──────────┴────────────┴────────────┴────────────┴────────────┴───────────┘

This PR:

┌───────────────────────────┬──────────┬──────────┬────────────┬────────────┬────────────┬────────────┬───────────┐
│ Constructor               │   Memory │   allocs │       Time │       Time │       Time │       Time │ N-samples │
│ (+conditions)             │ estimate │ estimate │        min │        max │       mean │     median │           │
├───────────────────────────┼──────────┼──────────┼────────────┼────────────┼────────────┼────────────┼───────────┤
│ PhaseEquil_ρeq_dry        │  0 bytes │        0 │ 292.613 ns │ 496.395 ns │ 294.290 ns │ 293.066 ns │     10000 │
│ PhaseEquil_ρeq_sat_adjust │  0 bytes │        0 │   1.526 μs │   4.261 μs │   1.538 μs │   1.531 μs │     10000 │
│ PhaseEquil_ρTq_dry        │  0 bytes │        0 │ 157.129 ns │   2.084 μs │ 158.295 ns │ 157.455 ns │     10000 │
│ PhaseEquil_ρTq_moist      │  0 bytes │        0 │ 156.839 ns │   1.811 μs │ 158.472 ns │ 157.468 ns │     10000 │
│ PhaseEquil_pTq_dry        │  0 bytes │        0 │ 164.093 ns │ 430.825 ns │ 165.161 ns │ 164.490 ns │     10000 │
│ PhaseEquil_pTq_moist      │  0 bytes │        0 │ 163.736 ns │ 254.385 ns │ 165.017 ns │ 164.334 ns │     10000 │
│ PhaseEquil_peq_dry        │  0 bytes │        0 │ 301.482 ns │ 461.502 ns │ 303.139 ns │ 301.827 ns │     10000 │
│ PhaseEquil_peq_sat_adjust │  0 bytes │        0 │   6.048 μs │  16.603 μs │   6.085 μs │   6.063 μs │     10000 │
│ PhaseEquil_phq_dry        │  0 bytes │        0 │ 303.761 ns │ 429.052 ns │ 305.639 ns │ 304.398 ns │     10000 │
│ PhaseEquil_phq_sat_adjust │  0 bytes │        0 │   5.062 μs │   9.338 μs │   5.092 μs │   5.071 μs │     10000 │
│ PhaseEquil_ρθq_dry        │  0 bytes │        0 │ 408.320 ns │ 524.720 ns │ 410.831 ns │ 409.250 ns │     10000 │
│ PhaseEquil_ρθq_sat_adjust │  0 bytes │        0 │   8.998 μs │  19.501 μs │   9.049 μs │   9.012 μs │     10000 │
│ PhaseEquil_pθq_dry        │  0 bytes │        0 │ 411.060 ns │ 558.365 ns │ 413.004 ns │ 411.530 ns │     10000 │
│ PhaseEquil_pθq_sat_adjust │  0 bytes │        0 │   2.247 μs │   3.335 μs │   2.262 μs │   2.252 μs │     10000 │
│ PhaseEquil_ρpq_dry        │  0 bytes │        0 │  17.352 ns │  43.504 ns │  17.625 ns │  17.648 ns │     10000 │
│ PhaseEquil_ρpq_sat_adjust │  0 bytes │        0 │  17.355 ns │  24.760 ns │  17.616 ns │  17.652 ns │     10000 │
└───────────────────────────┴──────────┴──────────┴────────────┴────────────┴────────────┴────────────┴───────────┘

[charleskawczynski]

bors r+

[bors]

Build succeeded:

• buildkite/thermodynamics-ci
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• ci 1.6.0 - ubuntu-latest
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