ddidderr/zstd-rs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Prefetch Input in Incompressible Sections (+0.25% Speed)

Browse Source
This commit is contained in:
W. Felix Handte
2021-09-01 14:15:03 -04:00
parent b092dd75b7
commit 35932ab2f1
1 changed files with 1 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/compress/zstd_fast.c
+1
View File
@@ -337,6 +337,7 @@ _start: /* Requires: ip0 */
/* advance to next positions */ /* advance to next positions */
{ {
if (ip1 >= nextStep) { if (ip1 >= nextStep) {
PREFETCH_L1(ip1 + 64);
step++; step++;
nextStep += kStepIncr; nextStep += kStepIncr;
} }