Vegas Pro 13 Crashing while using Radeon HD6970

VEGAS Pro

Vegas Pro 13 Crashing while using Radeon HD6970

Posted by Alex Regnell on September 24, 2016 at 7:14 pm

So I just recently found my old HD 6970 to put into my machine for increased performance when rendering Mainconcept AVC.

My specs are:

Intel Xeon 2683v3
16 GB Hyper-X Ram
2 780 Ti Graphics Cards
1 HD 6970
all on an MSI Krait Motherboard

I’m running windows 10 64 bit.

It always crashes on the load splash screen, right after it mentions Loading GPU acceleration.

When I set the video device to be one of my 780 Ti’s, the program launches fine, but when I select the AMD card then restart as I’m told to, it crashes on start up.

_________________________________

Extra Information
File: C:\Users\Alex-PC\AppData\Local\Sony\Vegas Pro\13.0\dx_video_grovel_x64.log
File: C:\Users\Alex-PC\AppData\Local\Sony\Vegas Pro\13.0\svfx_video_grovel_x64.log
File: C:\Users\Alex-PC\AppData\Local\Sony\Vegas Pro\13.0\ocio_x64.log
File: C:\Users\Alex-PC\AppData\Local\Sony\Vegas Pro\13.0\dx_grovel_x64.log
File: C:\Users\Alex-PC\AppData\Local\Sony\Vegas Pro\13.0\gpu_video_x64.log

Problem Description
Application Name: Vegas Pro
Application Version: Version 13.0 (Build 453) 64-bit
Problem: Unmanaged Exception (0xc0000005)
Fault Module: C:\Program Files\Sony\Vegas Pro 13.0\vegas130.exe
Fault Address: 0x0000000000000000
Fault Offset: 0x0000000000000000

Fault Process Details
Process Path: C:\Program Files\Sony\Vegas Pro 13.0\vegas130.exe
Process Version: Version 13.0 (Build 453) 64-bit
Process Description: Vegas Pro
Process Image Date: 2015-06-05 (Fri Jun 05) 23:53:04

And then within each log file:

___________________________________________________________

dx_video_grovel_x64.log

_________________________________________________________

INFO 2016-09-24 13:05:08 **** Grovelling DirectX video plug-ins in-proc ****
INFO 2016-09-24 13:05:08 Phase 1 – Enumerating non-shared dlls
INFO 2016-09-24 13:05:08 Loading C:\Program Files\Sony\Vegas Pro 13.0\Video Plug-Ins\colorcorrector.dll
INFO 2016-09-24 13:05:08 Loading C:\Program Files\Sony\Vegas Pro 13.0\Video Plug-Ins\PluginWrapper.dll
INFO 2016-09-24 13:05:08 Loading C:\Program Files\Sony\Vegas Pro 13.0\Video Plug-Ins\sfpagepeel.dll
INFO 2016-09-24 13:05:08 Loading C:\Program Files\Sony\Vegas Pro 13.0\Video Plug-Ins\sftrans1.dll
INFO 2016-09-24 13:05:08 Loading C:\Program Files\Sony\Vegas Pro 13.0\Video Plug-Ins\vfplugs.dll
INFO 2016-09-24 13:05:08 Loading C:\Program Files\Sony\Vegas Pro 13.0\Video Plug-Ins\vfx1.dll
INFO 2016-09-24 13:05:08 Loading C:\Program Files\Sony\Vegas Pro 13.0\Video Plug-Ins\vidpcore.dll
INFO 2016-09-24 13:05:08 Phase 1 – Complete

__________________________________________________

gpu_video.log

__________________________________________________

INFO 2016-09-24 13:05:10 *** Start of GPU-accelerated video processing log ***
INFO 2016-09-24 13:05:10 Vegas Pro 13.0
INFO 2016-09-24 13:05:10 Version 13.0 (Build 453) 64-bit
INFO 2016-09-24 13:05:10
INFO 2016-09-24 13:05:10 OpenGL_Initialize
INFO 2016-09-24 13:05:10 DC: FFFFFFFFE4012634
INFO 2016-09-24 13:05:10 GLC: 0000000000010000
INFO 2016-09-24 13:05:10 GL_VENDOR: NVIDIA Corporation
INFO 2016-09-24 13:05:10 GL_RENDERER: GeForce GTX 780 Ti/PCIe/SSE2
INFO 2016-09-24 13:05:10 GL_VERSION: 4.5.0 NVIDIA 372.70
INFO 2016-09-24 13:05:10
INFO 2016-09-24 13:05:10 OpenCL_Initialize
INFO 2016-09-24 13:05:11 Platforms: 2
INFO 2016-09-24 13:05:11 Platform: 0
INFO 2016-09-24 13:05:11 Vendor: NVIDIA Corporation
INFO 2016-09-24 13:05:11 Name: NVIDIA CUDA
INFO 2016-09-24 13:05:11 Version: OpenCL 1.2 CUDA 8.0.0
INFO 2016-09-24 13:05:11 Profile: FULL_PROFILE
INFO 2016-09-24 13:05:11 Extensions: cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_fp64 cl_khr_byte_addressable_store cl_khr_icd cl_khr_gl_sharing cl_nv_compiler_options cl_nv_device_attribute_query cl_nv_pragma_unroll cl_nv_d3d10_sharing cl_khr_d3d10_sharing cl_nv_d3d11_sharing cl_nv_copy_opts
INFO 2016-09-24 13:05:11
INFO 2016-09-24 13:05:11 Devices: 2
INFO 2016-09-24 13:05:11 Device: 0
INFO 2016-09-24 13:05:11 Type: GPU
INFO 2016-09-24 13:05:11 Vendor: NVIDIA Corporation
INFO 2016-09-24 13:05:11 Name: GeForce GTX 780 Ti
INFO 2016-09-24 13:05:11 Profile: FULL_PROFILE
INFO 2016-09-24 13:05:11 Version: OpenCL 1.2 CUDA
INFO 2016-09-24 13:05:11 C version: OpenCL C 1.2
INFO 2016-09-24 13:05:11 Extensions: cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_fp64 cl_khr_byte_addressable_store cl_khr_icd cl_khr_gl_sharing cl_nv_compiler_options cl_nv_device_attribute_query cl_nv_pragma_unroll cl_nv_d3d10_sharing cl_khr_d3d10_sharing cl_nv_d3d11_sharing cl_nv_copy_opts
INFO 2016-09-24 13:05:11 Driver version: 372.70
INFO 2016-09-24 13:05:11 Available: Yes
INFO 2016-09-24 13:05:11 Compiler: Yes
INFO 2016-09-24 13:05:11 Image support: Yes
INFO 2016-09-24 13:05:11 Unified memory: No
INFO 2016-09-24 13:05:11 Vendor ID: 4318
INFO 2016-09-24 13:05:11 Compute units: 15
INFO 2016-09-24 13:05:11 Work dimensions: 3
INFO 2016-09-24 13:05:11 Clock Frequency: 928
INFO 2016-09-24 13:05:11 Image reads: 256
INFO 2016-09-24 13:05:11 Image writes: 16
INFO 2016-09-24 13:05:11 Samplers: 32
INFO 2016-09-24 13:05:11 Workgroup size: 1024
INFO 2016-09-24 13:05:11 Image width: 16384
INFO 2016-09-24 13:05:11 Image height: 16384
INFO 2016-09-24 13:05:11 Parameter size: 4352
INFO 2016-09-24 13:05:11 Maximum alloc: 805306368
INFO 2016-09-24 13:05:11 Memory size: 3221225472
INFO 2016-09-24 13:05:11 Local memory: 49152
INFO 2016-09-24 13:05:11 Work item sizes: 1024, 1024, 64
INFO 2016-09-24 13:05:11 Out of order Q: Yes
INFO 2016-09-24 13:05:11 Profiling Q: Yes
INFO 2016-09-24 13:05:11 NV compute (maj):3
INFO 2016-09-24 13:05:11 NV compute (min):5
INFO 2016-09-24 13:05:11 NV warp size: 32
INFO 2016-09-24 13:05:11 NV overlap: Yes
INFO 2016-09-24 13:05:11 NV integ. mem: No
INFO 2016-09-24 13:05:11 Device is compatible.
INFO 2016-09-24 13:05:11
INFO 2016-09-24 13:05:11 Device: 1
INFO 2016-09-24 13:05:11 Type: GPU
INFO 2016-09-24 13:05:11 Vendor: NVIDIA Corporation
INFO 2016-09-24 13:05:11 Name: GeForce GTX 780 Ti
INFO 2016-09-24 13:05:11 Profile: FULL_PROFILE
INFO 2016-09-24 13:05:11 Version: OpenCL 1.2 CUDA
INFO 2016-09-24 13:05:11 C version: OpenCL C 1.2
INFO 2016-09-24 13:05:11 Extensions: cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_fp64 cl_khr_byte_addressable_store cl_khr_icd cl_khr_gl_sharing cl_nv_compiler_options cl_nv_device_attribute_query cl_nv_pragma_unroll cl_nv_d3d10_sharing cl_khr_d3d10_sharing cl_nv_d3d11_sharing cl_nv_copy_opts
INFO 2016-09-24 13:05:11 Driver version: 372.70
INFO 2016-09-24 13:05:11 Available: Yes
INFO 2016-09-24 13:05:11 Compiler: Yes
INFO 2016-09-24 13:05:11 Image support: Yes
INFO 2016-09-24 13:05:11 Unified memory: No
INFO 2016-09-24 13:05:11 Vendor ID: 4318
INFO 2016-09-24 13:05:11 Compute units: 15
INFO 2016-09-24 13:05:11 Work dimensions: 3
INFO 2016-09-24 13:05:11 Clock Frequency: 1045
INFO 2016-09-24 13:05:11 Image reads: 256
INFO 2016-09-24 13:05:11 Image writes: 16
INFO 2016-09-24 13:05:11 Samplers: 32
INFO 2016-09-24 13:05:11 Workgroup size: 1024
INFO 2016-09-24 13:05:11 Image width: 16384
INFO 2016-09-24 13:05:11 Image height: 16384
INFO 2016-09-24 13:05:11 Parameter size: 4352
INFO 2016-09-24 13:05:11 Maximum alloc: 805306368
INFO 2016-09-24 13:05:11 Memory size: 3221225472
INFO 2016-09-24 13:05:11 Local memory: 49152
INFO 2016-09-24 13:05:11 Work item sizes: 1024, 1024, 64
INFO 2016-09-24 13:05:11 Out of order Q: Yes
INFO 2016-09-24 13:05:11 Profiling Q: Yes
INFO 2016-09-24 13:05:11 NV compute (maj):3
INFO 2016-09-24 13:05:11 NV compute (min):5
INFO 2016-09-24 13:05:11 NV warp size: 32
INFO 2016-09-24 13:05:11 NV overlap: Yes
INFO 2016-09-24 13:05:11 NV integ. mem: No
INFO 2016-09-24 13:05:11 Device is compatible.
INFO 2016-09-24 13:05:11
INFO 2016-09-24 13:05:11 Platform: 1
INFO 2016-09-24 13:05:11 Vendor: Advanced Micro Devices, Inc.
INFO 2016-09-24 13:05:11 Name: AMD Accelerated Parallel Processing
INFO 2016-09-24 13:05:11 Version: OpenCL 2.0 AMD-APP (1800.11)
INFO 2016-09-24 13:05:11 Profile: FULL_PROFILE
INFO 2016-09-24 13:05:11 Extensions: cl_khr_icd cl_khr_d3d10_sharing cl_khr_d3d11_sharing cl_khr_dx9_media_sharing cl_amd_event_callback cl_amd_offline_devices
INFO 2016-09-24 13:05:11
INFO 2016-09-24 13:05:11 Devices: 2
INFO 2016-09-24 13:05:11 Device: 0
INFO 2016-09-24 13:05:11 Type: GPU
INFO 2016-09-24 13:05:11 Vendor: Advanced Micro Devices, Inc.
INFO 2016-09-24 13:05:11 Name: Cayman
INFO 2016-09-24 13:05:11 Profile: FULL_PROFILE
INFO 2016-09-24 13:05:11 Version: OpenCL 1.2 AMD-APP (1800.11)
INFO 2016-09-24 13:05:11 C version: OpenCL C 1.2
INFO 2016-09-24 13:05:11 Extensions: cl_khr_fp64 cl_amd_fp64 cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_3d_image_writes cl_khr_byte_addressable_store cl_khr_gl_sharing cl_ext_atomic_counters_32 cl_amd_device_attribute_query cl_amd_vec3 cl_amd_printf cl_amd_media_ops cl_amd_media_ops2 cl_amd_popcnt cl_khr_d3d10_sharing cl_khr_d3d11_sharing cl_khr_dx9_media_sharing cl_amd_image2d_from_buffer_read_only cl_khr_spir cl_khr_gl_event
INFO 2016-09-24 13:05:11 Driver version: 1800.11 (VM)
INFO 2016-09-24 13:05:11 Available: Yes
INFO 2016-09-24 13:05:11 Compiler: Yes
INFO 2016-09-24 13:05:11 Image support: Yes
INFO 2016-09-24 13:05:11 Unified memory: No
INFO 2016-09-24 13:05:11 Vendor ID: 4098
INFO 2016-09-24 13:05:11 Compute units: 22
INFO 2016-09-24 13:05:11 Work dimensions: 3
INFO 2016-09-24 13:05:11 Clock Frequency: 840
INFO 2016-09-24 13:05:11 Image reads: 128
INFO 2016-09-24 13:05:11 Image writes: 8
INFO 2016-09-24 13:05:11 Samplers: 16
INFO 2016-09-24 13:05:11 Workgroup size: 256
INFO 2016-09-24 13:05:11 Image width: 16384
INFO 2016-09-24 13:05:11 Image height: 16384
INFO 2016-09-24 13:05:11 Parameter size: 1024
INFO 2016-09-24 13:05:11 Maximum alloc: 536870912
INFO 2016-09-24 13:05:11 Memory size: 2147483648
INFO 2016-09-24 13:05:11 Local memory: 32768
INFO 2016-09-24 13:05:11 Work item sizes: 256, 256, 256
INFO 2016-09-24 13:05:11 Out of order Q: No
INFO 2016-09-24 13:05:11 Profiling Q: Yes
INFO 2016-09-24 13:05:11 Device is compatible.
INFO 2016-09-24 13:05:11 This is the selected device.
INFO 2016-09-24 13:05:11
INFO 2016-09-24 13:05:11 Device: 1
INFO 2016-09-24 13:05:11 Type: CPU
INFO 2016-09-24 13:05:11 Vendor: GenuineIntel
INFO 2016-09-24 13:05:11 Name: Intel(R) Xeon(R) CPU E5-2683 v3 @ 2.00GHz
INFO 2016-09-24 13:05:11 Profile: FULL_PROFILE
INFO 2016-09-24 13:05:11 Version: OpenCL 1.2 AMD-APP (1800.11)
INFO 2016-09-24 13:05:11 C version: OpenCL C 1.2
INFO 2016-09-24 13:05:11 Extensions: cl_khr_fp64 cl_amd_fp64 cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_int64_base_atomics cl_khr_int64_extended_atomics cl_khr_3d_image_writes cl_khr_byte_addressable_store cl_khr_gl_sharing cl_ext_device_fission cl_amd_device_attribute_query cl_amd_vec3 cl_amd_printf cl_amd_media_ops cl_amd_media_ops2 cl_amd_popcnt cl_khr_d3d10_sharing cl_khr_spir cl_khr_gl_event
INFO 2016-09-24 13:05:11 Driver version: 1800.11 (sse2,avx)
INFO 2016-09-24 13:05:11 Available: Yes
INFO 2016-09-24 13:05:11 Compiler: Yes
INFO 2016-09-24 13:05:11 Image support: Yes
INFO 2016-09-24 13:05:11 Unified memory: Yes
INFO 2016-09-24 13:05:11 Vendor ID: 4098
INFO 2016-09-24 13:05:11 Compute units: 28
INFO 2016-09-24 13:05:11 Work dimensions: 3
INFO 2016-09-24 13:05:11 Clock Frequency: 2000
INFO 2016-09-24 13:05:11 Image reads: 128
INFO 2016-09-24 13:05:11 Image writes: 64
INFO 2016-09-24 13:05:11 Samplers: 16
INFO 2016-09-24 13:05:11 Workgroup size: 1024
INFO 2016-09-24 13:05:11 Image width: 8192
INFO 2016-09-24 13:05:11 Image height: 8192
INFO 2016-09-24 13:05:11 Parameter size: 4096
INFO 2016-09-24 13:05:11 Maximum alloc: 4267528192
INFO 2016-09-24 13:05:11 Memory size: 17070112768
INFO 2016-09-24 13:05:11 Local memory: 32768
INFO 2016-09-24 13:05:11 Work item sizes: 1024, 1024, 1024
INFO 2016-09-24 13:05:11 Out of order Q: No
INFO 2016-09-24 13:05:11 Profiling Q: Yes
WARN 2016-09-24 13:05:11 Device type not supported
WARN 2016-09-24 13:05:11 Device is not compatible.
INFO 2016-09-24 13:05:11

______

ocio.log

_______

INFO 2016-09-24 13:05:09 *** Start of OpenColorIO color management log ***
INFO 2016-09-24 13:05:09 Vegas Pro 13.0
INFO 2016-09-24 13:05:09 Version 13.0 (Build 453) 64-bit
INFO 2016-09-24 13:05:09
INFO 2016-09-24 13:05:09 OpenColorIO version: 1.0.8
INFO 2016-09-24 13:05:09 Config description: RRT version ut33
INFO 2016-09-24 13:05:09
INFO 2016-09-24 13:05:09 Color spaces: 14
INFO 2016-09-24 13:05:09 Color space 0: aces [ACES]
INFO 2016-09-24 13:05:09 Color space 1: raw [raw]
INFO 2016-09-24 13:05:09 Color space 2: adx10 [ADX 10-bit] -> reference (Film Scan, using the 10-bit Academy Density Encoding)
INFO 2016-09-24 13:05:09 Color space 3: adx16 [ADX 16-bit] -> reference (Film Scan, using the 16-bit Academy Density Encoding)
INFO 2016-09-24 13:05:09 Color space 4: slogf35 [Sony S-Log1 (F35/F3)] -> reference (Sony S-Log1, with F35 color primaries)
INFO 2016-09-24 13:05:09 Color space 5: slog2f65_3200 [Sony S-Log2 (F65 3200K)] -> reference (Sony S-Log2, with F65 color primaries at 3200K)
INFO 2016-09-24 13:05:09 Color space 6: slog2f65_5500 [Sony S-Log2 (F65 5500K)] -> reference (Sony S-Log2, with F65 color primaries at 5500K)
INFO 2016-09-24 13:05:09 Color space 7: logc [Arri Alexa Log C] -> reference (Arri Alexa LogC, V3, Exposure Index 800)
INFO 2016-09-24 13:05:09 Color space 8: log [Log] <- reference (A mathematically idealized log space, which spans the dynamic range
currently being utilized by the ACES RRT. Note: this does not correspond
to scanned plates, adx10 is preferred for that purpose.)
INFO 2016-09-24 13:05:09 Color space 9: rrt_srgb [ACES RRT (sRGB)] <- reference
INFO 2016-09-24 13:05:09 Color space 10: rrt_rec709 [ACES RRT (Rec.709)] <- reference
INFO 2016-09-24 13:05:09 Color space 11: rrt_p3dci [ACES RRT (P3 DCI)] <- reference
INFO 2016-09-24 13:05:09 Color space 12: rrt_p3d60 [ACES RRT (P3 D60)] <- reference
INFO 2016-09-24 13:05:09 Color space 13: rrt_xyz [ACES RRT (CIE XYZ)] <- reference
INFO 2016-09-24 13:05:09
INFO 2016-09-24 13:05:09 Roles: 9
INFO 2016-09-24 13:05:09 Role 0: color_picking -> raw
INFO 2016-09-24 13:05:09 Role 1: color_timing -> adx10
INFO 2016-09-24 13:05:09 Role 2: compositing_log -> adx10
INFO 2016-09-24 13:05:09 Role 3: data -> raw
INFO 2016-09-24 13:05:09 Role 4: default -> raw
INFO 2016-09-24 13:05:09 Role 5: matte_paint -> raw
INFO 2016-09-24 13:05:09 Role 6: reference -> aces
INFO 2016-09-24 13:05:09 Role 7: scene_linear -> aces
INFO 2016-09-24 13:05:09 Role 8: texture_paint -> raw
INFO 2016-09-24 13:05:09
INFO 2016-09-24 13:05:09 Displays: 3
INFO 2016-09-24 13:05:09 Display: 0
INFO 2016-09-24 13:05:09 Name: p3dci [P3 DCI]
INFO 2016-09-24 13:05:09 Views: 3
INFO 2016-09-24 13:05:09 View: 0
INFO 2016-09-24 13:05:09 Name: Raw [Raw]
INFO 2016-09-24 13:05:09 Display/View Color Space: raw
INFO 2016-09-24 13:05:09 Display/View Looks:
INFO 2016-09-24 13:05:09 View: 1
INFO 2016-09-24 13:05:09 Name: Log [Log]
INFO 2016-09-24 13:05:09 Display/View Color Space: adx10
INFO 2016-09-24 13:05:09 Display/View Looks:
INFO 2016-09-24 13:05:09 View: 2
INFO 2016-09-24 13:05:09 Name: RRT [ACES RRT]
INFO 2016-09-24 13:05:09 Display/View Color Space: rrt_p3dci
INFO 2016-09-24 13:05:09 Display/View Looks:
INFO 2016-09-24 13:05:09 Display: 1
INFO 2016-09-24 13:05:09 Name: sRGB [sRGB]
INFO 2016-09-24 13:05:09 Views: 3
INFO 2016-09-24 13:05:09 View: 0
INFO 2016-09-24 13:05:09 Name: Raw [Raw]
INFO 2016-09-24 13:05:09 Display/View Color Space: raw
INFO 2016-09-24 13:05:09 Display/View Looks:
INFO 2016-09-24 13:05:09 View: 1
INFO 2016-09-24 13:05:09 Name: Log [Log]
INFO 2016-09-24 13:05:09 Display/View Color Space: adx10
INFO 2016-09-24 13:05:09 Display/View Looks:
INFO 2016-09-24 13:05:09 View: 2
INFO 2016-09-24 13:05:09 Name: RRT [ACES RRT]
INFO 2016-09-24 13:05:09 Display/View Color Space: rrt_srgb
INFO 2016-09-24 13:05:09 Display/View Looks:
INFO 2016-09-24 13:05:09 Display: 2
INFO 2016-09-24 13:05:09 Name: xyz [CIE XYZ]
INFO 2016-09-24 13:05:09 Views: 3
INFO 2016-09-24 13:05:09 View: 0
INFO 2016-09-24 13:05:09 Name: Raw [Raw]
INFO 2016-09-24 13:05:09 Display/View Color Space: raw
INFO 2016-09-24 13:05:09 Display/View Looks:
INFO 2016-09-24 13:05:09 View: 1
INFO 2016-09-24 13:05:09 Name: Log [Log]
INFO 2016-09-24 13:05:09 Display/View Color Space: adx10
INFO 2016-09-24 13:05:09 Display/View Looks:
INFO 2016-09-24 13:05:09 View: 2
INFO 2016-09-24 13:05:09 Name: RRT [ACES RRT]
INFO 2016-09-24 13:05:09 Display/View Color Space: rrt_xyz
INFO 2016-09-24 13:05:09 Display/View Looks:
INFO 2016-09-24 13:05:09
INFO 2016-09-24 13:05:09 Default Display: sRGB
INFO 2016-09-24 13:05:09 Default View: RRT
INFO 2016-09-24 13:05:09 Active Displays: sRGB, p3dci, xyz
INFO 2016-09-24 13:05:09 Active Views: RRT, Log, Raw
INFO 2016-09-24 13:05:09
INFO 2016-09-24 13:05:09 Looks: 0

Steve Rhoden replied 9 years, 7 months ago 3 Members · 2 Replies
2 Replies

Aaron Star
September 24, 2016 at 11:51 pm

Generally you do not want to mix GPU manufacturer drivers on the same system.

You are sharing bandwidth 3 ways for a Z97 chipset designed to run a single GPU.

The NV780 are about on par with the 6970 in terms of OpenCL performance. See the review below and note the Luxmark 2.0 ranking, as Luxmark operates in a very similar fashion to the way Vegas 13 handles compute.

https://www.anandtech.com/show/6973/nvidia-geforce-gtx-780-review/18

You will not get a benefit from what you are trying to do with MC encoder. Sony AVC will benefit more from the OpenCL timeline acceleration, if you have effects that require it. Straight cuts only material will likely not see much if any GPU acceleration. For snipping the ends of gaming material, you would be better off learning FFMPEG and setting your IN/OUT.

I would uninstall the NV GPU driver software, then shutdown and pull the GPUs. Then verify the AMD drivers are at the latest version. Vegas will function much better running on the AMD card alone.

Also with the chip set you have purchased, you only really get one 16x slot to run a GPU optimally. You always want your GPU running at 16x, and 16x PCI3.0 if possible.

If you really need the 780 for gaming reasons, build a dedicated Vegas Workstation and network them.
Steve Rhoden
September 26, 2016 at 11:31 am

As Aaron pointed out in detail to you, “Mixing GPU manufacturer drivers on the same system is not a good idea at all”.

Steve Rhoden (Cow Leader)
Film Maker & VFX Artist.
Owner of Filmex Creative Media.
Samples of my Work and Company can be seen here:
https://www.facebook.com/FilmexCreativeMedia

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