danny couture 13bd5cdda0 Optimize UTF8ToTCHAR converter ...

- Add fast path for ASCII only text and reduce loop iteration cost

  - 550ms -> 133ms of aggregated time during editor startup

  - Other tests to ensure no regression on worst case scenarios
  - 5.0s -> 1.5s (1GB UTF8 with ASCII Only)
  - 4.8s -> 2.4s (1GB UTF8 with extended char every 16 chars)
  - 4.2s -> 3.6s (1GB UTF8 with extended char every 8 chars)

#rnx
#rb Josh.Adams, Steve.Robb

#ROBOMERGE-SOURCE: CL 12973650 via CL 12973652 via CL 12973653
#ROBOMERGE-BOT: RELEASE (Release-Engine-Staging -> Main) (v682-12900288)

[CL 12973702 by danny couture in Main branch]

2020-04-22 06:25:45 -04:00

..

Private

Copying //UE4/Release-4.25Plus-Dev to Release-4.25Plus (//UE4/Release-4.25Plus)

2020-04-22 06:25:12 -04:00

Public

Optimize UTF8ToTCHAR converter

2020-04-22 06:25:45 -04:00

Core.Build.cs

Move NoRedist files out of Core module.

2020-04-08 19:40:39 -04:00