There are no pretty pictures here yet, just some observations - i'll add more as I come across them:
(*) Using a texture (for example applying your site photo) can almost double the rendertime.
(*) Using VRayScatterTexture to apply random tints can add approximately 20% to your rendertime.
(*) Disabling reflection on leaves in this test case reduced rendertime from 3:30 to 0:54! Leaving reflection on but capping the depth to 1 gave a rendertime of 1:46.
(*) Poly count doesn't seem to be everything! I just went through and halved the counts of all my scattered plants (theres 5 in the scene) and it make a ~5 second average difference to the rendertime (1:24 to 1:17). Interesting.
(*) Using a texture (for example applying your site photo) can almost double the rendertime.
(*) Using VRayScatterTexture to apply random tints can add approximately 20% to your rendertime.
(*) Disabling reflection on leaves in this test case reduced rendertime from 3:30 to 0:54! Leaving reflection on but capping the depth to 1 gave a rendertime of 1:46.
(*) Poly count doesn't seem to be everything! I just went through and halved the counts of all my scattered plants (theres 5 in the scene) and it make a ~5 second average difference to the rendertime (1:24 to 1:17). Interesting.
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