buffer: optimize decoding wrapped base64 data by aqrln · Pull Request #12146 · nodejs/node

@nodejs-github-bot added buffer

Issues and PRs related to the buffer subsystem.

c++

Issues and PRs that require attention from people who are familiar with C++.

labels

Mar 31, 2017

This was referenced

Mar 31, 2017

jasnell

@aqrln

The fast base64 decoder used to switch to the slow one permanently when
it saw a whitespace or other garbage character.  Since the most common
situation such characters may be encountered in is line-wrapped base64
data, a more profitable strategy is to decode a single 24-bit group with
the slow decoder and then continue running the fast algorithm.

Refs: nodejs#12114

addaleax

trevnorris

jasnell pushed a commit that referenced this pull request

Apr 4, 2017
The fast base64 decoder used to switch to the slow one permanently when
it saw a whitespace or other garbage character.  Since the most common
situation such characters may be encountered in is line-wrapped base64
data, a more profitable strategy is to decode a single 24-bit group with
the slow decoder and then continue running the fast algorithm.

PR-URL: #12146
Ref: #12114
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

@aqrln aqrln deleted the base64-optimization branch

April 4, 2017 16:46

aqrln added a commit to aqrln/node that referenced this pull request

Apr 5, 2017
This commit adds C++ tests for `base64_encode()` and `base64_decode()`
functions defined in `base64.h`.  The functionality is already being
tested indirectly in JavaScript tests for Buffer, but it won't hurt to
test the low-level functions too, especially given that they aren't only
used in the internal Buffer implementation, Chrome inspector protocol
support relies upon them too.

Refs: nodejs#12146 (comment)

@aqrln aqrln mentioned this pull request

Apr 5, 2017

3 tasks

aqrln added a commit that referenced this pull request

Apr 8, 2017
This commit adds C++ tests for `base64_encode()` and `base64_decode()`
functions defined in `base64.h`.  The functionality is already being
tested indirectly in JavaScript tests for Buffer, but it won't hurt to
test the low-level functions too, especially given that they aren't only
used in the internal Buffer implementation, Chrome inspector protocol
support relies upon them too.

PR-URL: #12238
Refs: #12146 (comment)
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>

italoacasas pushed a commit to italoacasas/node that referenced this pull request

Apr 10, 2017
The fast base64 decoder used to switch to the slow one permanently when
it saw a whitespace or other garbage character.  Since the most common
situation such characters may be encountered in is line-wrapped base64
data, a more profitable strategy is to decode a single 24-bit group with
the slow decoder and then continue running the fast algorithm.

PR-URL: nodejs#12146
Ref: nodejs#12114
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

gibfahn pushed a commit that referenced this pull request

Jun 18, 2017
This commit adds C++ tests for `base64_encode()` and `base64_decode()`
functions defined in `base64.h`.  The functionality is already being
tested indirectly in JavaScript tests for Buffer, but it won't hurt to
test the low-level functions too, especially given that they aren't only
used in the internal Buffer implementation, Chrome inspector protocol
support relies upon them too.

PR-URL: #12238
Refs: #12146 (comment)
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>

gibfahn pushed a commit that referenced this pull request

Jun 20, 2017
This commit adds C++ tests for `base64_encode()` and `base64_decode()`
functions defined in `base64.h`.  The functionality is already being
tested indirectly in JavaScript tests for Buffer, but it won't hurt to
test the low-level functions too, especially given that they aren't only
used in the internal Buffer implementation, Chrome inspector protocol
support relies upon them too.

PR-URL: #12238
Refs: #12146 (comment)
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>

MylesBorins pushed a commit that referenced this pull request

Jul 11, 2017
This commit adds C++ tests for `base64_encode()` and `base64_decode()`
functions defined in `base64.h`.  The functionality is already being
tested indirectly in JavaScript tests for Buffer, but it won't hurt to
test the low-level functions too, especially given that they aren't only
used in the internal Buffer implementation, Chrome inspector protocol
support relies upon them too.

PR-URL: #12238
Refs: #12146 (comment)
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>

@aqrln aqrln mentioned this pull request

Jul 21, 2017

3 tasks