From: Chris Taylor (
Date: Mon Sep 26 2022 - 18:31:01 CDT

I installed the Intel OSPray binary from the .msi installer but I get this message when I start VMD- what else should I try? Thanks

Info) VMD for WIN64, version 1.9.4a53 (June 29, 2021)
Info) Email questions and bug reports to
Info) Please include this reference in published work using VMD:
Info) Humphrey, W., Dalke, A. and Schulten, K., `VMD - Visual
Info) Molecular Dynamics', J. Molec. Graphics 1996, 14.1, 33-38.
Info) -------------------------------------------------------------
Info) Multithreading available, 24 CPUs, ISA dispatch enabled.
Info) CPU features: SSE2 SSE4.1 AVX AVX2 FMA F16 HT
Info) Free system memory: 24GB (74%)
Info) Creating CUDA device pool and initializing hardware...
Info) Unable to load NVML library, GPU-CPU affinity unavailable.
Info) Detected 1 available CUDA accelerator::
Info) [0] NVIDIA GeForce RTX 3080 68 SM_8.6 1.7 GHz, 2.0GB RAM SP32 KT AE1 ZC
Info) OpenGL renderer: NVIDIA GeForce RTX 3080/PCIe/SSE2
Info) Full GLSL rendering mode is available.
Info) Textures: 2-D (32768x32768), 3-D (16384x16384x16384), Multitexture (4)
Info) Joystick 0, 6 axes, 32 buttons, Microsoft PC-joystick driver
Info) Joystick 1, 5 axes, 23 buttons, Microsoft PC-joystick driver
Info) Joystick 2, 3 axes, 0 buttons, Microsoft PC-joystick driver
Info) Detected 1 available TachyonL/OptiX ray tracing accelerator
Info) Compiling OptiX shaders on 1 target GPU...
#osp: INITIALIZATION ERROR --> #osp:api: could not find module initializer ospray_init_module_ispc
#osp: INITIALIZATION ERROR --> Could not find device of type: default. Make sure you have the correct OSPRay libraries linked.
#osp: INITIALIZATION ERROR --> OSPRay not yet initialized (most likely this means you tried to call an ospray API function before first calling ospInit())(pid 22336)