RaZ

[Utils/Threading] Fixed the per-thread range calculation #1603

Job	Run time
Emscripten (emcc, Debug)	3m 30s
Windows (cl, Debug)	6m 48s
Linux (gcc, Debug)	9m 6s
Emscripten (emcc, Release)	8m 26s
Windows (cl, Release)	8m 41s
Emscripten (emcc, Debug, no audio)	3m 17s
macOS (clang, Debug)	3m 44s
Linux (gcc, Release)	5m 3s
Windows (cl, Debug, no audio)	4m 32s
Linux (clang, Debug)	4m 54s
macOS (clang, Release)	10m 49s
Windows (cl, Debug, no window)	3m 46s
Linux (clang, Release)	5m 32s
macOS (clang, Debug, no audio)	7m 3s
Linux (gcc, Debug, no audio)	4m 42s
macOS (clang, Debug, no window)	3m 4s
Linux (gcc, Debug, no window)	3m 39s
	1h 36m 36s

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