From 9fcdb46505137a125769d518c4278758416fcae9 Mon Sep 17 00:00:00 2001
From: gohai <gottfried.haider@gmail.com>
Date: Mon, 24 Apr 2017 22:26:47 +0200
Subject: [PATCH] Improve loadBytes performance

Before, loading a 54 MB file took 2.7 seconds on my Macbook Air. With this change applied, it only takes 0.4 seconds.
---
 core/src/processing/core/PApplet.java | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/core/src/processing/core/PApplet.java b/core/src/processing/core/PApplet.java
index 54a930388..be6f184d7 100644
--- a/core/src/processing/core/PApplet.java
+++ b/core/src/processing/core/PApplet.java
@@ -7174,14 +7174,15 @@ public class PApplet implements PConstants {
    */
   static public byte[] loadBytes(InputStream input) {
     try {
-      BufferedInputStream bis = new BufferedInputStream(input);
       ByteArrayOutputStream out = new ByteArrayOutputStream();
+      byte[] buf = new byte[4096];
 
-      int c = bis.read();
-      while (c != -1) {
-        out.write(c);
-        c = bis.read();
+      int bytesRead = input.read(buf);
+      while (bytesRead != -1) {
+        out.write(buf, 0, bytesRead);
+        bytesRead = input.read(buf);
       }
+      out.flush();
       return out.toByteArray();
 
     } catch (IOException e) {