optimize `isequal`

[chriselrod]

Do not use zip with. It is slow.

[github-actions[bot]]

Benchmark Results

	master	5b4f2b2f8b20ab...	t[master]/t[5b4f2b2f8b20ab...]
overhead/acrule/a+2	1.2 ± 0.25 μs	1.17 ± 0.26 μs	1.03
overhead/acrule/a+2+b	1.18 ± 0.25 μs	1.14 ± 0.26 μs	1.03
overhead/acrule/a+b	0.423 ± 0.0075 μs	0.419 ± 0.008 μs	1.01
overhead/acrule/noop:Int	28.6 ± 1 ns	26.3 ± 0.7 ns	1.09
overhead/acrule/noop:Sym	0.0468 ± 0.008 μs	0.0454 ± 0.0074 μs	1.03
overhead/rule/noop:Int	0.0448 ± 0.0014 μs	0.0438 ± 0.0016 μs	1.02
overhead/rule/noop:Sym	0.0578 ± 0.0017 μs	0.0584 ± 0.0021 μs	0.99
overhead/rule/noop:Term	0.0576 ± 0.0017 μs	0.0579 ± 0.0017 μs	0.995
overhead/ruleset/noop:Int	0.166 ± 0.0023 μs	0.162 ± 0.0032 μs	1.03
overhead/ruleset/noop:Sym	0.198 ± 0.0059 μs	0.193 ± 0.0064 μs	1.02
overhead/ruleset/noop:Term	4.4 ± 0.21 μs	4.9 ± 0.24 μs	0.898
overhead/simplify/noop:Int	0.237 ± 0.0069 μs	0.228 ± 0.0068 μs	1.04
overhead/simplify/noop:Sym	0.251 ± 0.0038 μs	0.236 ± 0.0051 μs	1.06
overhead/simplify/noop:Term	0.046 ± 0.0027 ms	0.0488 ± 0.0029 ms	0.943
overhead/simplify/randterm (+, *):serial	0.13 ± 0.0018 s	0.136 ± 0.0018 s	0.952
overhead/simplify/randterm (+, *):thread	0.0907 ± 0.014 s	0.089 ± 0.014 s	1.02
overhead/simplify/randterm (/, *):serial	0.287 ± 0.0075 ms	0.287 ± 0.0077 ms	0.999
overhead/simplify/randterm (/, *):thread	0.346 ± 0.009 ms	0.344 ± 0.0092 ms	1.01
overhead/substitute/a	0.0984 ± 0.0021 ms	0.11 ± 0.0022 ms	0.896
overhead/substitute/a,b	0.0895 ± 0.0021 ms	0.0983 ± 0.002 ms	0.91
overhead/substitute/a,b,c	0.0462 ± 0.001 ms	0.0492 ± 0.0009 ms	0.939
polyform/easy_iszero	0.0447 ± 0.0024 ms	0.0541 ± 0.0028 ms	0.826
polyform/isone	3.1 ± 0.1 ns	3.1 ± 0.1 ns	1
polyform/iszero	1.84 ± 0.034 ms	2.16 ± 0.033 ms	0.85
polyform/simplify_fractions	2.78 ± 0.037 ms	3.14 ± 0.028 ms	0.887
time_to_load	5.36 ± 0.012 s	5.38 ± 0.019 s	0.997

Benchmark Plots

A plot of the benchmark results have been uploaded as an artifact to the workflow run for this PR. Go to "Actions"->"Benchmark a pull request"->[the most recent run]->"Artifacts" (at the bottom).

[codecov-commenter]

Codecov Report

Merging #533 (5b4f2b2) into master (e3eba85) will increase coverage by 0.09%. The diff coverage is 100.00%.

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@@            Coverage Diff             @@
##           master     #533      +/-   ##
==========================================
+ Coverage   81.19%   81.28%   +0.09%     
==========================================
  Files          15       15              
  Lines        1856     1865       +9     
==========================================
+ Hits         1507     1516       +9     
  Misses        349      349              

Impacted Files	Coverage Δ
src/types.jl	82.01% <100.00%> (+0.25%)	:arrow_up:

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