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xsv v0.12.0 Release Notes

Release Date: 2017-05-23 // almost 7 years ago

  • 🚀 This release adopts the rewrite of the csv crate. There are no new features, but there are some nice performance improvements:

    benchmark before after
count 0.26s 175.05 MB/sec 0.11 413.76 MB/sec
flatten 4.53s 10.04 MB/sec 4.54 10.02 MB/sec
flatten_condensed 4.72s 9.64 MB/sec 4.45 10.22 MB/sec
frequency 1.91s 23.82 MB/sec 1.82 25.00 MB/sec
index 0.28s 162.54 MB/sec 0.12 379.28 MB/sec
sample_10 0.43s 105.84 MB/sec 0.18 252.85 MB/sec
sample_1000 0.44s 103.44 MB/sec 0.18 252.85 MB/sec
sample_100000 0.50s 91.02 MB/sec 0.29 156.94 MB/sec
search 0.59s 77.14 MB/sec 0.27 168.56 MB/sec
select 0.41s 111.00 MB/sec 0.14 325.09 MB/sec
sort 2.59s 17.57 MB/sec 2.18 20.87 MB/sec
slice_one_middle 0.22s 206.88 MB/sec 0.08 568.92 MB/sec
slice_one_middle_index 0.01s 4551.36 MB/sec 0.01 4551.36 MB/sec
stats 1.26s 36.12 MB/sec 1.09 41.75 MB/sec
stats_index 0.19s 239.54 MB/sec 0.15 303.42 MB/sec
stats_everything 2.13s 21.36 MB/sec 1.94 23.46 MB/sec
stats_everything_index 1.00s 45.51 MB/sec 0.93 48.93 MB/sec