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Ian wrote:It is is correct that we used UPX to give us a slight improvement but this was the least of the changes that we made and gave the least benefit. This was just a part of a lot of work that was done to analyze the startup and improve it.
Inray wrote:Hmm, UPX compression offers nothing in terms of UE startup lag.
Actually, upx increases app load time due to decompression overhead.
hveld wrote:A UPX-ed file should load faster, but then it needs some time for decompression. Looks like these two compensate each other, so it doesn't matter if the file is compressed. But as they said this was the least important change, there were probably a lot more changes because +7/+8 start noticeably faster than +1.