Rendering with Rhino 7 on Mac

I am enjoying Rhino 7, especially the new in house rendering capability.
However my machine seems to really struggle with it, especially when rendering multiple layers and with blocks added.

Files that have multiple blocks in them are also a bit clunky even in shaded mode when rotating in perspective.

This is what I have:

This is what is set in cycles:

Have I set my machine to the best it will do, and is it really suitable for Rhino7?

Added to above:

Rhino 7 SR3 2021-2-8 (Rhino 7, 7.3.21039.11202, Git hash:master @ 7bcc02a54515376cb2bd3d05f62d9473ab4bc38c)
License type: Commercial, build 2021-02-08
License details: Cloud Zoo

Apple Intel 64-bit macOS Version 10.14.6 (Build 18G8022) (Physical RAM: 16Gb)
Mac Model Identifier: MacBookPro11,4
Language: en-AU (MacOS default)

Intel Iris Pro OpenGL Engine (OpenGL ver:4.1 INTEL-12.10.25)

OpenGL Settings
  Safe mode: Off
  Use accelerated hardware modes: On
  Redraw scene when viewports are exposed: On
  Anti-alias mode: 4x
  Mip Map Filtering: Linear
  Anisotropic Filtering Mode: High
  Vendor Name: Intel Inc.
  Render version: 4.1
  Shading Language: 4.10
  Maximum Texture size: 16384 x 16384
  Z-Buffer depth: n/a
  Maximum Viewport size: 16384 x 16384
  Total Video Memory: 1536 MB
  Graphics: Intel Iris Pro
  Displays: Color LCD (221dpi 2x)

Graphics processors
  Intel Iris Pro (1536 MB)
    Color LCD (1440 x 900)

USB devices
  Apple Inc.: Apple Internal Keyboard / Trackpad
  Broadcom Corp.: Bluetooth USB Host Controller

Bluetooth devices
  Broadcom: Magic Mouse 2

Third party kernel extensions

Third party plugins

Rhino plugins that do not ship with Rhino

Rhino plugins that ship with Rhino
  /Applications/Rhino	"Snapshots"	7.3.21039.1002
  /Applications/Rhino	"PanelingTools"	7.3.21039.1002
  /Applications/Rhino	"AnimationTools"	7.3.21039.1002
  /Applications/Rhino	"Renderer Development Kit"	7.3.21039.1002
  /Applications/Rhino	"Displacement"	7.3.21039.1002
  /Applications/Rhino	"Legacy Rhino Render"	7.3.21039.1002
  /Applications/Rhino	"Commands"	7.3.21039.11202
  /Applications/Rhino	"Import_OBJ"	7.3.21039.11202
  /Applications/Rhino	"export_xaml"	7.3.21039.11202
  /Applications/Rhino	"QuadRemesh"	7.3.21039.11202
  /Applications/Rhino	"export_OBJ"	7.3.21039.11202
  /Applications/Rhino	"RDK_EtoUI"	7.3.21039.11202
  /Applications/Rhino	"Export SVG"	7.3.21039.11202
  /Applications/Rhino	"MeshCommands"	7.3.21039.11202
  /Applications/Rhino	"Export_DAE"	7.3.21039.11202
  /Applications/Rhino	"PDF Export"	7.3.21039.11202
  /Applications/Rhino	"IGES Export Plug-in"	7.3.21039.11202
  /Applications/Rhino	"Import_SVG"	7.3.21039.11202
  /Applications/Rhino	"BlockEdit"	7.3.21039.11202
  /Applications/Rhino	"Export_AMF"	7.3.21039.11202
  /Applications/Rhino	"Rhino Render"	7.3.21039.11202
  /Applications/Rhino	"Import_DST"	7.3.21039.11202
  /Applications/Rhino	"PLY - Polygon File Format Export"	7.3.21039.11202
  /Applications/Rhino	"Import_AMF"	7.3.21039.11202
  /Applications/Rhino	"RhinoCycles"	7.3.21039.11202
  /Applications/Rhino	"IronPython"	7.3.21039.11202
  /Applications/Rhino	"Grasshopper"	7.3.21039.11202

In Rhino 7 Raytraced and Rhino Render currently don’t have GPU accelleration. This hopefully will change if and when the underlying render engine Cycles gets a Metal backend. The ETA on that is unknown. In your case it isn’t an issue anyway, since there isn’t a GPU to accellerate with.

There are some speed improvements that I am currently working. These will help to some degree on lower-power machines like yours. I also have two Mac laptops that I have to work with, and they are not a good choice for doing heavy rendering. The Mac laptops I work with already start to cry when I try to build Rhino from source. They become very heated, are very slow (compiling takes upwards of 30 minutes for even simple changes). All very frustrating. Then trying to use Raytraced and Rhino Render makes the laptops sound like they’re about to take off, so loud do the fans spin up.

I feel your pain with Raytraced and Rhino Render. I’ll be trying to make it less of a pain.

For the other display modes I’ll refer you to @jeff and @DavidEranen, but I think the verdict will be that the GPU isn’t providing enough juice to make Rhino 7 completely happy.

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