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jimhester committed Aug 13, 2020
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12 changes: 6 additions & 6 deletions README.Rmd
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Expand Up @@ -16,7 +16,7 @@ knitr::opts_chunk$set(
options(tibble.print_min = 3)
```

# 🏎💨vroom <a href='http:/vroom.r-lib.org'><img src='man/figures/logo.png' align="right" height="135" /></a>
# 🏎💨vroom <a href='https:/vroom.r-lib.org'><img src='man/figures/logo.png' align="right" height="135" /></a>

<!-- badges: start -->
[![R build status](https://github.com/r-lib/vroom/workflows/R-CMD-check/badge.svg)](https://github.com/r-lib/vroom)
Expand Down Expand Up @@ -51,7 +51,7 @@ The fastest delimited reader for R, **`r filter(tbl, package == "vroom") %>% pul

<img src="https://github.com/r-lib/vroom/raw/gh-pages/taylor.gif" align="right" width = "30%"/>

But that's impossible! How can it be [so fast](http://vroom.r-lib.org/articles/benchmarks.html)?
But that's impossible! How can it be [so fast](https://vroom.r-lib.org/articles/benchmarks.html)?

vroom doesn't stop to actually _read_ all of your data, it simply indexes where each record is located so it can be read later.
The vectors returned use the [Altrep framework](https://svn.r-project.org/R/branches/ALTREP/ALTREP.html) to lazily load the data on-demand when it is accessed, so you only pay for what you use.
Expand Down Expand Up @@ -85,7 +85,7 @@ vroom has nearly all of the parsing features of
- embedded newlines in headers and fields\*\*
- writing delimited files with as-needed quoting.
- robust to invalid inputs (vroom has been extensively tested with the
[afl](http://lcamtuf.coredump.cx/afl/) fuzz tester)\*.
[afl](https://lcamtuf.coredump.cx/afl/) fuzz tester)\*.

\* *these are additional features not in readr.*

Expand Down Expand Up @@ -166,9 +166,9 @@ fs::file_delete(files)
## Benchmarks

The speed quoted above is from a real `r format(fs::fs_bytes(tm$size[[1]]))` dataset with `r format(tm$rows[[1]], big.mark = ",")` rows and `r tm$cols[[1]]` columns,
see the [benchmark article](http://vroom.r-lib.org/articles/benchmarks.html)
see the [benchmark article](https://vroom.r-lib.org/articles/benchmarks.html)
for full details of the dataset and
[bench/](https://github.com/r-lib/vroom/blob/master/inst/bench) for the code
[bench/](https://github.com/r-lib/vroom/tree/master/inst/bench) for the code
used to retrieve the data and perform the benchmarks.

# Environment variables
Expand Down Expand Up @@ -224,7 +224,7 @@ so it is recommended you use at least that version.
## Thanks

- [Gabe Becker](https://twitter.com/groundwalkergmb), [Luke
Tierney](http://homepage.divms.uiowa.edu/~luke/) and [Tomas Kalibera](https://github.com/kalibera) for
Tierney](https://homepage.divms.uiowa.edu/~luke/) and [Tomas Kalibera](https://github.com/kalibera) for
conceiving, Implementing and maintaining the [Altrep
framework](https://svn.r-project.org/R/branches/ALTREP/ALTREP.html)
- [Romain François](https://twitter.com/romain_francois), whose
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14 changes: 7 additions & 7 deletions README.md
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@@ -1,7 +1,7 @@

<!-- README.md is generated from README.Rmd. Please edit that file -->

# 🏎💨vroom <a href='http:/vroom.r-lib.org'><img src='man/figures/logo.png' align="right" height="135" /></a>
# 🏎💨vroom <a href='https:/vroom.r-lib.org'><img src='man/figures/logo.png' align="right" height="135" /></a>

<!-- badges: start -->

Expand All @@ -22,7 +22,7 @@ The fastest delimited reader for R, **1.48 GB/sec**.
<img src="https://github.com/r-lib/vroom/raw/gh-pages/taylor.gif" align="right" width = "30%"/>

But that’s impossible\! How can it be [so
fast](http://vroom.r-lib.org/articles/benchmarks.html)?
fast](https://vroom.r-lib.org/articles/benchmarks.html)?

vroom doesn’t stop to actually *read* all of your data, it simply
indexes where each record is located so it can be read later. The
Expand All @@ -37,7 +37,7 @@ non-character columns, and when writing to further improve performance.

| package | version | time (sec) | speedup | throughput |
| :--------- | ------: | ---------: | ------: | ------------: |
| vroom | 1.2.2 | 1.11 | 67.13 | 1.48 GB/sec |
| vroom | 1.3.0 | 1.11 | 67.13 | 1.48 GB/sec |
| data.table | 1.13.0 | 13.12 | 5.67 | 125.19 MB/sec |
| readr | 1.3.1 | 32.57 | 2.28 | 50.41 MB/sec |
| read.delim | 4.0.2 | 74.37 | 1.00 | 22.08 MB/sec |
Expand Down Expand Up @@ -66,7 +66,7 @@ files, including
- embedded newlines in headers and fields\*\*
- writing delimited files with as-needed quoting.
- robust to invalid inputs (vroom has been extensively tested with the
[afl](http://lcamtuf.coredump.cx/afl/) fuzz tester)\*.
[afl](https://lcamtuf.coredump.cx/afl/) fuzz tester)\*.

\* *these are additional features not in readr.*

Expand Down Expand Up @@ -172,9 +172,9 @@ vroom::vroom(files)

The speed quoted above is from a real 1.53G dataset with 14,388,451 rows
and 11 columns, see the [benchmark
article](http://vroom.r-lib.org/articles/benchmarks.html) for full
article](https://vroom.r-lib.org/articles/benchmarks.html) for full
details of the dataset and
[bench/](https://github.com/r-lib/vroom/blob/master/inst/bench) for the
[bench/](https://github.com/r-lib/vroom/tree/master/inst/bench) for the
code used to retrieve the data and perform the benchmarks.

# Environment variables
Expand Down Expand Up @@ -233,7 +233,7 @@ issue, so it is recommended you use at least that version.
## Thanks

- [Gabe Becker](https://twitter.com/groundwalkergmb), [Luke
Tierney](http://homepage.divms.uiowa.edu/~luke/) and [Tomas
Tierney](https://homepage.divms.uiowa.edu/~luke/) and [Tomas
Kalibera](https://github.com/kalibera) for conceiving, Implementing
and maintaining the [Altrep
framework](https://svn.r-project.org/R/branches/ALTREP/ALTREP.html)
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2 changes: 1 addition & 1 deletion _pkgdown.yml
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Expand Up @@ -2,7 +2,7 @@ url: https://vroom.r-lib.org

authors:
"Jim Hester":
href: http://jimhester.com
href: https://jimhester.com

destination: docs

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2 changes: 1 addition & 1 deletion vignettes/benchmarks.Rmd
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Expand Up @@ -164,7 +164,7 @@ excluded from the plots, but are retained in the tables.

This real world dataset is from Freedom of Information Law (FOIL)
Taxi Trip Data from the NYC Taxi and Limousine Commission 2013, originally
posted at <http://chriswhong.com/open-data/foil_nyc_taxi/>. It is also hosted
posted at <https://chriswhong.com/open-data/foil_nyc_taxi/>. It is also hosted
on [archive.org](https://archive.org/details/nycTaxiTripData2013).

The first table trip_fare_1.csv is 1.55G in size.
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