Nvidia Optix Cuda
There are two to choose from.
Nvidia optix cuda. Get started image courtesy tom. Bring the power of nvidia gpus to your ray tracing applications with programmable intersection ray generation and shading. Cudnn is no longer required to use the optix denoiser and all required files are. The cuda runtime api is a little more high level and requires a library to be shipped with the application while the cuda driver api is more explicit and ships with the driver.
Installing the latest nvidia driver cuda and optix on linux ubuntu 18 04 having recently switched to nvidia i now rather obviously spend a lot more of my time coding in cuda and optix. Get the index of the closest hit or currently intersecting primitive. So if you had say a rtx 2070 super and a gtx 1080ti you could only use your rtx 2070 super in opitx. Optix 7 applications are written using the cuda programming apis.
You may need a beta driver for certain operating systems. Nvidia geforce rtx 3070 performance in cuda optix rendering by rob williams on october 27 2020 in graphics displays nvidia has just launched its third ampere geforce and at 499 the rtx 3070 is going to lure in more folks than the previously released 3090 or 3080. Release notes 91kb pdf. The binding of variables to values on api objects is allowed to vary from one instance to another.
The cuda runtime api and the cuda driver api. Nvidia optix 6 0 api up. Nvidia optix ray tracing engine an application framework for achieving optimal ray tracing performance on the gpu. With cuda enabled you can use any combination of recent nvidia gpus including the rtx 2070 super along with your cpu.
If an primitive index offset is specified on the geometry geometry or geometrytriangles node rtgetprimitiveindex reports the primitive index of the geometry range 0 n 1 for n. Windows 7 and higher 64 bit accept download linux accept download. By default with optix you can only use rtx gpus. The 6 5 0 release of the optix sdk introduces many performance improvements and extended functionality.
And one of the first things i noted is that getting the right cuda optix software stack on linux isn t always as automatic as one would have hoped for. What traditionally took minutes in software now takes milliseconds with the optix engine allowing designers. The variable will be visible to all of the cuda functions defined in the current file. Interactive ray tracing on nvidia quadro professional graphics solutions the nvidia optix ray tracing engine elevates applications to a new level of interactive realism by greatly increasing ray tracing speeds on nvidia gpus using the nvidia cuda gpu computing architecture.
Rtgetprimitiveindex provides the primitive index similar to what is normally passed to a custom intersection program as an argument. Requires nvidia r435 80 driver or newer.