perf: update benchmarks to record throughput

[mccutchen]

Before:

BenchmarkReadFrame/1KiB-8                1850740               624.4 ns/op          1064 B/op          5 allocs/op
BenchmarkReadFrame/1KiB-8                1924210               621.2 ns/op          1064 B/op          5 allocs/op
BenchmarkReadFrame/1KiB-8                1934340               621.3 ns/op          1064 B/op          5 allocs/op
BenchmarkReadFrame/1KiB-8                1932159               622.4 ns/op          1064 B/op          5 allocs/op
BenchmarkReadFrame/1KiB-8                1886798               624.2 ns/op          1064 B/op          5 allocs/op
BenchmarkReadFrame/1KiB-8                1908315               626.0 ns/op          1064 B/op          5 allocs/op
BenchmarkReadFrame/1KiB-8                1905510               627.4 ns/op          1064 B/op          5 allocs/op
BenchmarkReadFrame/1KiB-8                1907787               629.3 ns/op          1064 B/op          5 allocs/op
BenchmarkReadFrame/1KiB-8                1903112               631.4 ns/op          1064 B/op          5 allocs/op
BenchmarkReadFrame/1KiB-8                1896978               633.5 ns/op          1064 B/op          5 allocs/op

After, note the new MB/s column:

BenchmarkReadFrame/1KiB-8                1612123               723.2 ns/op      1426.95 MB/s        1064 B/op          5 allocs/op
BenchmarkReadFrame/1KiB-8                1652838               724.0 ns/op      1425.49 MB/s        1064 B/op          5 allocs/op
BenchmarkReadFrame/1KiB-8                1653415               731.7 ns/op      1410.46 MB/s        1064 B/op          5 allocs/op
BenchmarkReadFrame/1KiB-8                1641583               739.1 ns/op      1396.22 MB/s        1064 B/op          5 allocs/op
BenchmarkReadFrame/1KiB-8                1639408               736.9 ns/op      1400.46 MB/s        1064 B/op          5 allocs/op
BenchmarkReadFrame/1KiB-8                1633102               735.2 ns/op      1403.63 MB/s        1064 B/op          5 allocs/op
BenchmarkReadFrame/1KiB-8                1632260               733.5 ns/op      1407.00 MB/s        1064 B/op          5 allocs/op
BenchmarkReadFrame/1KiB-8                1625856               733.4 ns/op      1407.22 MB/s        1064 B/op          5 allocs/op
BenchmarkReadFrame/1KiB-8                1631691               735.0 ns/op      1404.14 MB/s        1064 B/op          5 allocs/op
BenchmarkReadFrame/1KiB-8                1615498               742.3 ns/op      1390.33 MB/s        1064 B/op          5 allocs/op

[github-actions]

🔥 Run benchmarks comparing 3098ea0 against main:

gh workflow run bench.yaml -f pr_number=49

Note: this comment will update with each new commit.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.37%. Comparing base (ae22b5d) to head (3098ea0).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #49   +/-   ##
=======================================
  Coverage   92.37%   92.37%           
=======================================
  Files           2        2           
  Lines         459      459           
=======================================
  Hits          424      424           
  Misses         28       28           
  Partials        7        7           

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