X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdevices%2Finputfile.cpp;h=4ffd2dfa22cbc702d6ad7dfeb476042ec2d73639;hp=1bf34bad22a33bc0307199657bfe5ecf8dc9ef3d;hb=1f419596224bd8f73fc8c59b52b8775685249a07;hpb=3b0acbcbcd902ac61a3841e7c558cbc5f8448b7f

diff --git a/pv/devices/inputfile.cpp b/pv/devices/inputfile.cpp
index 1bf34bad..4ffd2dfa 100644
--- a/pv/devices/inputfile.cpp
+++ b/pv/devices/inputfile.cpp
@@ -36,7 +36,10 @@ using std::vector;
 namespace pv {
 namespace devices {
 
-const streamsize InputFile::BufferSize = 16384;
+// Use a 4MB chunk size for reading a file into memory. Larger values don't
+// seem to provide any substancial performance improvements, but can cause
+// UI lag and a visually "stuttering" display of the data currently loading.
+const streamsize InputFile::BufferSize = (4 * 1024 * 1024);
 
 InputFile::InputFile(const shared_ptr<sigrok::Context> &context,
 	const string &file_name,