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Parallelize tile encoding
Use par_iter_mut() from Rayon to call encode_tile() for each tile
context in parallel.
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rom1v authored and tdaede committed Apr 20, 2019
1 parent 036c421 commit 156cc72edf03b5605844b4ecae84dee647fda221
Showing with 2 additions and 1 deletion.
  1. +2 −1 src/
@@ -33,6 +33,7 @@ use crate::header::*;
use arg_enum_proc_macro::ArgEnum;
use bitstream_io::{BitWriter, BigEndian};
use bincode::{serialize, deserialize};
use rayon::iter::*;
use std;
use std::{fmt, io, mem};
use std::io::Write;
@@ -2100,7 +2101,7 @@ fn encode_tile_group<T: Pixel>(fi: &FrameInvariants<T>, fs: &mut FrameState<T>)
.tile_iter_mut(fs, &mut blocks)
.map(|(ref mut ctx, cdf)| encode_tile(fi, &mut ctx.ts, cdf, &mut ctx.tb))

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