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Dimizu
Known Participant
September 22, 2016

P: Slow performance on Xeon CPUs

  • September 22, 2016
  • 234 replies
  • 9082 views

I noticed that LR clone and brush tool on my XEON E5-1650 0 3.20GHz (Attention: E5-1650 0 and not E5-1650 v4) can not stress my CPU and after x minutes of working LR slow down, until I have to restart it.

Please see the full diskussion with the problem here: https://forums.adobe.com/thread/2210245 (test with different Lightroom versions, confrontation with a weak laptop, that works fine, tests wit other graphic grafic card, test with other bios settings etc. No results. Only restart LR or minor display resolution helps.)

Can anyone with an XEON E5-1650 0 3.2Ghz confirm this?

    This topic has been closed for replies.

    234 replies

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    A
    Arnie47
    Known Participant
    April 26, 2017
    Using a very similar machine as you have it would be interesting which video adapter and which resolution you are using.
    A
    Art in MT
    Participating Frequently
    April 26, 2017
    Thank you for your work trying to resolve this vexing issue.
    Summary: I see some improvement but LR still slows rapidly over time, esp. when editing heavily.

    Details:
    The config.lua file significantly improves export to jpeg, probably 3-4x as fast as before.

    It also provides good improvement in moving from image to image in the Library Module - previously 5-10 seconds, now 1-5 seconds.

    In the Develop module, the speed is ok at first (1-4 seconds pause between) but after heavily editing several images with multiple gradients, brushes,  radial filters, and color adjustments, LR slows to 5-30 seconds, and the tools themselves still slow way down.

    Starting last fall I have had to be sure NOTHING else was open on my machine, esp. Firefox. to edit in LR at all. Now those other apps don't seem to have a negative effect.

    I am shooting 50mp raw images (DNG) from Canon 5DSr.  Machine: 32GB ram, 6 cor i7-3930K, @ 3.2 GHz, SSD for C.

    I am happy to test additional changes if it is helpful.
    ukmdb
    ukmdb
    Participant
    April 21, 2017

    My system is xeon 8 core, with 65GB memory and m.2 SSD
    Systems like this should not be struggling with Lightroom.

    Updated and tried an import of 1300 images 1-1 rendering.
    waited until at least the first 20 had done, Tried a few adjustments and spot removals and everything just crawled.. 

    closed lightroom and deleted the catalogue, relaunched and Tried the config and restarted again.
    Imported the same images as above.
    Did not notice any improvement on the import.
    waited until at least the first 20 had done, and tried a few adjustments and spot removals, Their was an improvement but not enough to make it usable. still very juddery moving the sliders and waiting several seconds for the adjustment to appear. 
    Copy and pasting settings also takes an age.

    My CPU cores are maxed.


    I now use an alternative editing system which just fly's so if they can do it then you can..
    No maxing of CPU and everything smoothy silk.

    Lightroom version: CC 2015.10 [ 1111918 ]License: Creative Cloud
    Operating system: Windows 10
    Version: 10.0
    Application architecture: x64
    System architecture: x64
    Logical processor count: 8
    Processor speed: 2.9 GHz
    Built-in memory: 65460.0 MB
    Real memory available to Lightroom: 65460.0 MB
    Real memory used by Lightroom: 5919.1 MB (9.0%)
    Virtual memory used by Lightroom: 6521.4 MB
    GDI objects count: 821
    USER objects count: 2668
    Process handles count: 2733
    Memory cache size: 15191.8MB / 16109.0MB (94.3%)
    Maximum thread count used by Camera Raw: 5
    Camera Raw SIMD optimization: SSE2,AVX,AVX2
    Camera Raw virtual memory: 4989MB / 32730MB (15%)
    System DPI setting: 96 DPI
    Desktop composition enabled: Yes
    Displays: 1) 2560x1080, 2) 2560x1080
    Input types: Multitouch: No, Integrated touch: No, Integrated pen: No, External touch: No, External pen: No, Keyboard: No

    Graphics Processor Info: 
    Quadro M2000M/PCIe/SSE2

    Check OpenGL support: Passed
    Vendor: NVIDIA Corporation
    Version: 3.3.0 NVIDIA 368.39
    Renderer: Quadro M2000M/PCIe/SSE2
    LanguageVersion: 3.30 NVIDIA via Cg compiler


    Application folder: C:\Program Files\Adobe\Adobe Lightroom
    Library Path: D:\lightroom test catalogue\test\test.lrcat
    Settings Folder: C:\Users\Admin\AppData\Roaming\Adobe\Lightroom

    Installed Plugins: 
    1) AdobeStock
    2) Canon Tether Plugin
    3) Facebook
    4) Flickr
    5) Leica Tether Plugin
    6) Nikon Tether Plugin

    Config.lua flags: 
    Develop.AdjustMaximumThreadCount = 0.51

    Adapter #1: Vendor : 10de
    Device : 13b0
    Subsystem : 16d91028
    Revision : a2
    Video Memory : 4034
    Adapter #2: Vendor : 1414
    Device : 8c
    Subsystem : 0
    Revision : 0
    Video Memory : 0
    Adapter #3: Vendor : 1414
    Device : 8c
    Subsystem : 0
    Revision : 0
    Video Memory : 0
    Adapter #4: Vendor : 1414
    Device : 8c
    Subsystem : 0
    Revision : 0
    Video Memory : 0
    AudioDeviceIOBlockSize: 1024
    AudioDeviceName: LG ULTRAWIDE-0 (NVIDIA High Definition Audio)
    AudioDeviceNumberOfChannels: 2
    AudioDeviceSampleRate: 48000
    Build: LR5x8
    Direct2DEnabled: false
    GL_ACCUM_ALPHA_BITS: 16
    GL_ACCUM_BLUE_BITS: 16
    GL_ACCUM_GREEN_BITS: 16
    GL_ACCUM_RED_BITS: 16
    GL_ALPHA_BITS: 0
    GL_BLUE_BITS: 8
    GL_DEPTH_BITS: 24
    GL_GREEN_BITS: 8
    GL_MAX_3D_TEXTURE_SIZE: 4096
    GL_MAX_TEXTURE_SIZE: 16384
    GL_MAX_TEXTURE_UNITS: 4
    GL_MAX_VIEWPORT_DIMS: 16384,16384
    GL_RED_BITS: 8
    GL_RENDERER: Quadro M2000M/PCIe/SSE2
    GL_SHADING_LANGUAGE_VERSION: 4.50 NVIDIA
    GL_STENCIL_BITS: 8
    GL_VENDOR: NVIDIA Corporation
    GL_VERSION: 4.5.0 NVIDIA 368.39
    GPUDeviceEnabled: false
    OGLEnabled: true
    GL_EXTENSIONS: GL_AMD_multi_draw_indirect GL_AMD_seamless_cubemap_per_texture GL_ARB_arrays_of_arrays GL_ARB_base_instance GL_ARB_bindless_texture GL_ARB_blend_func_extended GL_ARB_buffer_storage GL_ARB_cl_event GL_ARB_clear_buffer_object GL_ARB_clear_texture GL_ARB_clip_control GL_ARB_color_buffer_float GL_ARB_compatibility GL_ARB_compressed_texture_pixel_storage GL_ARB_conservative_depth GL_ARB_compute_shader GL_ARB_compute_variable_group_size GL_ARB_conditional_render_inverted GL_ARB_copy_buffer GL_ARB_copy_image GL_ARB_cull_distance GL_ARB_debug_output GL_ARB_depth_buffer_float GL_ARB_depth_clamp GL_ARB_depth_texture GL_ARB_derivative_control GL_ARB_direct_state_access GL_ARB_draw_buffers GL_ARB_draw_buffers_blend GL_ARB_draw_indirect GL_ARB_draw_elements_base_vertex GL_ARB_draw_instanced GL_ARB_enhanced_layouts GL_ARB_ES2_compatibility GL_ARB_ES3_compatibility GL_ARB_ES3_1_compatibility GL_ARB_ES3_2_compatibility GL_ARB_explicit_attrib_location GL_ARB_explicit_uniform_location GL_ARB_fragment_coord_conventions GL_ARB_fragment_layer_viewport GL_ARB_fragment_program GL_ARB_fragment_program_shadow GL_ARB_fragment_shader GL_ARB_framebuffer_no_attachments GL_ARB_framebuffer_object GL_ARB_framebuffer_sRGB GL_ARB_geometry_shader4 GL_ARB_get_program_binary GL_ARB_get_texture_sub_image GL_ARB_gpu_shader5 GL_ARB_gpu_shader_fp64 GL_ARB_gpu_shader_int64 GL_ARB_half_float_pixel GL_ARB_half_float_vertex GL_ARB_imaging GL_ARB_indirect_parameters GL_ARB_instanced_arrays GL_ARB_internalformat_query GL_ARB_internalformat_query2 GL_ARB_invalidate_subdata GL_ARB_map_buffer_alignment GL_ARB_map_buffer_range GL_ARB_multi_bind GL_ARB_multi_draw_indirect GL_ARB_multisample GL_ARB_multitexture GL_ARB_occlusion_query GL_ARB_occlusion_query2 GL_ARB_parallel_shader_compile GL_ARB_pipeline_statistics_query GL_ARB_pixel_buffer_object GL_ARB_point_parameters GL_ARB_point_sprite GL_ARB_program_interface_query GL_ARB_provoking_vertex GL_ARB_query_buffer_object GL_ARB_robust_buffer_access_behavior GL_ARB_robustness GL_ARB_sample_shading GL_ARB_sampler_objects GL_ARB_seamless_cube_map GL_ARB_seamless_cubemap_per_texture GL_ARB_separate_shader_objects GL_ARB_shader_atomic_counter_ops GL_ARB_shader_atomic_counters GL_ARB_shader_ballot GL_ARB_shader_bit_encoding GL_ARB_shader_clock GL_ARB_shader_draw_parameters GL_ARB_shader_group_vote GL_ARB_shader_image_load_store GL_ARB_shader_image_size GL_ARB_shader_objects GL_ARB_shader_precision GL_ARB_shader_storage_buffer_object GL_ARB_shader_subroutine GL_ARB_shader_texture_image_samples GL_ARB_shader_texture_lod GL_ARB_shading_language_100 GL_ARB_shading_language_420pack GL_ARB_shading_language_include GL_ARB_shading_language_packing GL_ARB_shadow GL_ARB_sparse_buffer GL_ARB_sparse_texture GL_ARB_stencil_texturing GL_ARB_sync GL_ARB_tessellation_shader GL_ARB_texture_barrier GL_ARB_texture_border_clamp GL_ARB_texture_buffer_object GL_ARB_texture_buffer_object_rgb32 GL_ARB_texture_buffer_range GL_ARB_texture_compression GL_ARB_texture_compression_bptc GL_ARB_texture_compression_rgtc GL_ARB_texture_cube_map GL_ARB_texture_cube_map_array GL_ARB_texture_env_add GL_ARB_texture_env_combine GL_ARB_texture_env_crossbar GL_ARB_texture_env_dot3 GL_ARB_texture_float GL_ARB_texture_gather GL_ARB_texture_mirror_clamp_to_edge GL_ARB_texture_mirrored_repeat GL_ARB_texture_multisample GL_ARB_texture_non_power_of_two GL_ARB_texture_query_levels GL_ARB_texture_query_lod GL_ARB_texture_rectangle GL_ARB_texture_rg GL_ARB_texture_rgb10_a2ui GL_ARB_texture_stencil8 GL_ARB_texture_storage GL_ARB_texture_storage_multisample GL_ARB_texture_swizzle GL_ARB_texture_view GL_ARB_timer_query GL_ARB_transform_feedback2 GL_ARB_transform_feedback3 GL_ARB_transform_feedback_instanced GL_ARB_transform_feedback_overflow_query GL_ARB_transpose_matrix GL_ARB_uniform_buffer_object GL_ARB_vertex_array_bgra GL_ARB_vertex_array_object GL_ARB_vertex_attrib_64bit GL_ARB_vertex_attrib_binding GL_ARB_vertex_buffer_object GL_ARB_vertex_program GL_ARB_vertex_shader GL_ARB_vertex_type_10f_11f_11f_rev GL_ARB_vertex_type_2_10_10_10_rev GL_ARB_viewport_array GL_ARB_window_pos GL_ATI_draw_buffers GL_ATI_texture_float GL_ATI_texture_mirror_once GL_S3_s3tc GL_EXT_texture_env_add GL_EXT_abgr GL_EXT_bgra GL_EXT_bindable_uniform GL_EXT_blend_color GL_EXT_blend_equation_separate GL_EXT_blend_func_separate GL_EXT_blend_minmax GL_EXT_blend_subtract GL_EXT_compiled_vertex_array GL_EXT_Cg_shader GL_EXT_depth_bounds_test GL_EXT_direct_state_access GL_EXT_draw_buffers2 GL_EXT_draw_instanced GL_EXT_draw_range_elements GL_EXT_fog_coord GL_EXT_framebuffer_blit GL_EXT_framebuffer_multisample GL_EXTX_framebuffer_mixed_formats GL_EXT_framebuffer_multisample_blit_scaled GL_EXT_framebuffer_object GL_EXT_framebuffer_sRGB GL_EXT_geometry_shader4 GL_EXT_gpu_program_parameters GL_EXT_gpu_shader4 GL_EXT_multi_draw_arrays GL_EXT_packed_depth_stencil GL_EXT_packed_float GL_EXT_packed_pixels GL_EXT_pixel_buffer_object GL_EXT_point_parameters GL_EXT_polygon_offset_clamp GL_EXT_provoking_vertex GL_EXT_rescale_normal GL_EXT_secondary_color GL_EXT_separate_shader_objects GL_EXT_separate_specular_color GL_EXT_shader_image_load_formatted GL_EXT_shader_image_load_store GL_EXT_shader_integer_mix GL_EXT_shadow_funcs GL_EXT_stencil_two_side GL_EXT_stencil_wrap GL_EXT_texture3D GL_EXT_texture_array GL_EXT_texture_buffer_object GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_latc GL_EXT_texture_compression_rgtc GL_EXT_texture_compression_s3tc GL_EXT_texture_cube_map GL_EXT_texture_edge_clamp GL_EXT_texture_env_combine GL_EXT_texture_env_dot3 GL_EXT_texture_filter_anisotropic GL_EXT_texture_integer GL_EXT_texture_lod GL_EXT_texture_lod_bias GL_EXT_texture_mirror_clamp GL_EXT_texture_object GL_EXT_texture_shared_exponent GL_EXT_texture_sRGB GL_EXT_texture_sRGB_decode GL_EXT_texture_storage GL_EXT_texture_swizzle GL_EXT_timer_query GL_EXT_transform_feedback2 GL_EXT_vertex_array GL_EXT_vertex_array_bgra GL_EXT_vertex_attrib_64bit GL_EXT_import_sync_object GL_IBM_rasterpos_clip GL_IBM_texture_mirrored_repeat GL_KHR_context_flush_control GL_KHR_debug GL_KHR_no_error GL_KHR_robust_buffer_access_behavior GL_KHR_robustness GL_KTX_buffer_region GL_NV_bindless_multi_draw_indirect GL_NV_bindless_multi_draw_indirect_count GL_NV_bindless_texture GL_NV_blend_equation_advanced GL_NV_blend_equation_advanced_coherent GL_NV_blend_square GL_NV_command_list GL_NV_compute_program5 GL_NV_conditional_render GL_NV_copy_depth_to_color GL_NV_copy_image GL_NV_deep_texture3D GL_NV_depth_buffer_float GL_NV_depth_clamp GL_NV_draw_texture GL_NV_draw_vulkan_image GL_NV_ES1_1_compatibility GL_NV_ES3_1_compatibility GL_NV_explicit_multisample GL_NV_fence GL_NV_float_buffer GL_NV_fog_distance GL_NV_fragment_program GL_NV_fragment_program_option GL_NV_fragment_program2 GL_NV_framebuffer_multisample_coverage GL_NV_geometry_shader4 GL_NV_gpu_program4 GL_NV_internalformat_sample_query GL_NV_gpu_program4_1 GL_NV_gpu_program5 GL_NV_gpu_program5_mem_extended GL_NV_gpu_program_fp64 GL_NV_gpu_shader5 GL_NV_half_float GL_NV_light_max_exponent GL_NV_multisample_coverage GL_NV_multisample_filter_hint GL_NV_occlusion_query GL_NV_packed_depth_stencil GL_NV_parameter_buffer_object GL_NV_parameter_buffer_object2 GL_NV_path_rendering GL_NV_pixel_data_range GL_NV_point_sprite GL_NV_primitive_restart GL_NV_register_combiners GL_NV_register_combiners2 GL_NV_shader_atomic_counters GL_NV_shader_atomic_float GL_NV_shader_atomic_int64 GL_NV_shader_buffer_load GL_NV_shader_storage_buffer_object GL_NV_texgen_reflection GL_NV_texture_barrier GL_NV_texture_compression_vtc GL_NV_texture_env_combine4 GL_NV_texture_multisample GL_NV_texture_rectangle GL_NV_texture_shader GL_NV_texture_shader2 GL_NV_texture_shader3 GL_NV_transform_feedback GL_NV_transform_feedback2 GL_NV_uniform_buffer_unified_memory GL_NV_vertex_array_range GL_NV_vertex_array_range2 GL_NV_vertex_attrib_integer_64bit GL_NV_vertex_buffer_unified_memory GL_NV_vertex_program GL_NV_vertex_program1_1 GL_NV_vertex_program2 GL_NV_vertex_program2_option GL_NV_vertex_program3 GL_NVX_conditional_render GL_NVX_gpu_memory_info GL_NVX_multigpu_info GL_NVX_nvenc_interop GL_NV_shader_thread_group GL_NV_shader_thread_shuffle GL_KHR_blend_equation_advanced GL_KHR_blend_equation_advanced_coherent GL_SGIS_generate_mipmap GL_SGIS_texture_lod GL_SGIX_depth_texture GL_SGIX_shadow GL_SUN_slice_accum GL_WIN_swap_hint WGL_EXT_swap_control 

    Assaf Frank
    Assaf Frank
    Participating Frequently
    April 21, 2017
    I get slowdown from anything I do on the development module. The best way to replicate it is to do the re export test. Its has the same results in terms of slowdown and it happens 100% of the time.

    Simon can you try it out? I'm convinced that it is linked to the slowdown that people are experiencing and that they are not aware that restart fix the issue temporarily.
    D
    DimizuAuthor
    Known Participant
    April 21, 2017
    This is my original post:

    I noticed that LR clone and brush tool on my XEON E5-1650 0 3.20GHz (Attention: E5-1650 0 and not E5-1650 v4) can not stress my CPU and after x minutes of working LR slow down, until I have to restart it.

    This problem is still there. I don't export images, do reproduce the problem. I only work in the develop modul on 3-5 images with local adjustments tools... After x time, I must close lightroom, I must wait until the memory has been released (about 15 seconds), then I can restart Lightroom and then the speed is back on the same images! After x times the game starts from begin 😞

    I've noticed that if I resize the window size then I can work longer.
    S
    Adobe Employee
    simonsaith
    Adobe Employee
    April 21, 2017
    Slow down over time might be a separate issue. Do you normally apply local adjustment brush when the slow down starts?
    Assaf Frank
    Assaf Frank
    Participating Frequently
    April 20, 2017

    Hi Simon, I have done some testing and I can see an improvement however the issue I can see is that after a lightroom restart things are fast, then after working for 3-5 minutes things get slow again. the best way to replicate it is to export 50 images after a lightroom restart then do it again just after they finish exporting and then again (without restarting), you will notice each time the export is slower and the CPU utilisation will be lower and lower. This is happening with  
    Config.lua flags: 
    Develop.AdjustMaximumThreadCount = 0.51

    and without it, this is an old problem.

    can other confirm there is performance desegregation after working for few minutes either for export or in development mode?

    Lightroom version: CC 2015.10 [ 1111918 ]License: Creative Cloud
    Operating system: Windows 10
    Version: 10.0
    Application architecture: x64
    System architecture: x64
    Logical processor count: 16
    Processor speed: 3.0 GHz
    Built-in memory: 65446.8 MB
    Real memory available to Lightroom: 65446.8 MB
    Real memory used by Lightroom: 4886.3 MB (7.4%)
    Virtual memory used by Lightroom: 5299.9 MB
    GDI objects count: 691
    USER objects count: 2464
    Process handles count: 1588
    Memory cache size: 178.5MB / 16105.7MB (1.1%)
    Maximum thread count used by Camera Raw: 9
    Camera Raw SIMD optimization: SSE2,AVX,AVX2
    Camera Raw virtual memory: 3814MB / 32723MB (11%)
    System DPI setting: 144 DPI (high DPI mode)
    Desktop composition enabled: Yes
    Displays: 1) 3840x2160
    Input types: Multitouch: No, Integrated touch: No, Integrated pen: Yes, External touch: No, External pen: Yes, Keyboard: No

    Graphics Processor Info: 
    GeForce GTX 980 Ti/PCIe/SSE2

    Check OpenGL support: Passed
    Vendor: NVIDIA Corporation
    Version: 3.3.0 NVIDIA 381.65
    Renderer: GeForce GTX 980 Ti/PCIe/SSE2
    LanguageVersion: 3.30 NVIDIA via Cg compiler


    Application folder: C:\Program Files\Adobe\Adobe Lightroom
    Library Path: L:\LR Catalog\LR 6 Catalog Full\LR 6 Catalog Full.lrcat
    Settings Folder: C:\Users\User\AppData\Roaming\Adobe\Lightroom

    Installed Plugins: 
    1) ColorChecker Passport
    2) Export to Photomatix Pro
    3) jb Search Replace Transfer
    4) jf Metadata Wrangler
    5) jf Snapshot on Export
    6) LR/Transporter
    7) Stockboxphoto

    Config.lua flags: 
    Develop.AdjustMaximumThreadCount = 0.51

    Adapter #1: Vendor : 10de
    Device : 17c8
    Subsystem : 32331462
    Revision : a1
    Video Memory : 6103
    Adapter #2: Vendor : 1414
    Device : 8c
    Subsystem : 0
    Revision : 0
    Video Memory : 0
    AudioDeviceIOBlockSize: 1024
    AudioDeviceName: Speakers (Realtek High Definition Audio)
    AudioDeviceNumberOfChannels: 2
    AudioDeviceSampleRate: 48000
    Build: LR5x8
    Direct2DEnabled: false
    GL_ACCUM_ALPHA_BITS: 16
    GL_ACCUM_BLUE_BITS: 16
    GL_ACCUM_GREEN_BITS: 16
    GL_ACCUM_RED_BITS: 16
    GL_ALPHA_BITS: 0
    GL_BLUE_BITS: 8
    GL_DEPTH_BITS: 24
    GL_GREEN_BITS: 8
    GL_MAX_3D_TEXTURE_SIZE: 2048
    GL_MAX_TEXTURE_SIZE: 16384
    GL_MAX_TEXTURE_UNITS: 4
    GL_MAX_VIEWPORT_DIMS: 16384,16384
    GL_RED_BITS: 8
    GL_RENDERER: GeForce GTX 980 Ti/PCIe/SSE2
    GL_SHADING_LANGUAGE_VERSION: 4.50 NVIDIA
    GL_STENCIL_BITS: 8
    GL_VENDOR: NVIDIA Corporation
    GL_VERSION: 4.5.0 NVIDIA 381.65
    GPUDeviceEnabled: false
    OGLEnabled: true
    GL_EXTENSIONS: GL_AMD_multi_draw_indirect GL_AMD_seamless_cubemap_per_texture GL_AMD_vertex_shader_viewport_index GL_AMD_vertex_shader_layer GL_ARB_arrays_of_arrays GL_ARB_base_instance GL_ARB_bindless_texture GL_ARB_blend_func_extended GL_ARB_buffer_storage GL_ARB_clear_buffer_object GL_ARB_clear_texture GL_ARB_clip_control GL_ARB_color_buffer_float GL_ARB_compatibility GL_ARB_compressed_texture_pixel_storage GL_ARB_conservative_depth GL_ARB_compute_shader GL_ARB_compute_variable_group_size GL_ARB_conditional_render_inverted GL_ARB_copy_buffer GL_ARB_copy_image GL_ARB_cull_distance GL_ARB_debug_output GL_ARB_depth_buffer_float GL_ARB_depth_clamp GL_ARB_depth_texture GL_ARB_derivative_control GL_ARB_direct_state_access GL_ARB_draw_buffers GL_ARB_draw_buffers_blend GL_ARB_draw_indirect GL_ARB_draw_elements_base_vertex GL_ARB_draw_instanced GL_ARB_enhanced_layouts GL_ARB_ES2_compatibility GL_ARB_ES3_compatibility GL_ARB_ES3_1_compatibility GL_ARB_ES3_2_compatibility GL_ARB_explicit_attrib_location GL_ARB_explicit_uniform_location GL_ARB_fragment_coord_conventions GL_ARB_fragment_layer_viewport GL_ARB_fragment_program GL_ARB_fragment_program_shadow GL_ARB_fragment_shader GL_ARB_fragment_shader_interlock GL_ARB_framebuffer_no_attachments GL_ARB_framebuffer_object GL_ARB_framebuffer_sRGB GL_ARB_geometry_shader4 GL_ARB_get_program_binary GL_ARB_get_texture_sub_image GL_ARB_gl_spirv GL_ARB_gpu_shader5 GL_ARB_gpu_shader_fp64 GL_ARB_gpu_shader_int64 GL_ARB_half_float_pixel GL_ARB_half_float_vertex GL_ARB_imaging GL_ARB_indirect_parameters GL_ARB_instanced_arrays GL_ARB_internalformat_query GL_ARB_internalformat_query2 GL_ARB_invalidate_subdata GL_ARB_map_buffer_alignment GL_ARB_map_buffer_range GL_ARB_multi_bind GL_ARB_multi_draw_indirect GL_ARB_multisample GL_ARB_multitexture GL_ARB_occlusion_query GL_ARB_occlusion_query2 GL_ARB_parallel_shader_compile GL_ARB_pipeline_statistics_query GL_ARB_pixel_buffer_object GL_ARB_point_parameters GL_ARB_point_sprite GL_ARB_post_depth_coverage GL_ARB_program_interface_query GL_ARB_provoking_vertex GL_ARB_query_buffer_object GL_ARB_robust_buffer_access_behavior GL_ARB_robustness GL_ARB_sample_locations GL_ARB_sample_shading GL_ARB_sampler_objects GL_ARB_seamless_cube_map GL_ARB_seamless_cubemap_per_texture GL_ARB_separate_shader_objects GL_ARB_shader_atomic_counter_ops GL_ARB_shader_atomic_counters GL_ARB_shader_ballot GL_ARB_shader_bit_encoding GL_ARB_shader_clock GL_ARB_shader_draw_parameters GL_ARB_shader_group_vote GL_ARB_shader_image_load_store GL_ARB_shader_image_size GL_ARB_shader_objects GL_ARB_shader_precision GL_ARB_shader_storage_buffer_object GL_ARB_shader_subroutine GL_ARB_shader_texture_image_samples GL_ARB_shader_texture_lod GL_ARB_shading_language_100 GL_ARB_shader_viewport_layer_array GL_ARB_shading_language_420pack GL_ARB_shading_language_include GL_ARB_shading_language_packing GL_ARB_shadow GL_ARB_sparse_buffer GL_ARB_sparse_texture GL_ARB_sparse_texture2 GL_ARB_sparse_texture_clamp GL_ARB_stencil_texturing GL_ARB_sync GL_ARB_tessellation_shader GL_ARB_texture_barrier GL_ARB_texture_border_clamp GL_ARB_texture_buffer_object GL_ARB_texture_buffer_object_rgb32 GL_ARB_texture_buffer_range GL_ARB_texture_compression GL_ARB_texture_compression_bptc GL_ARB_texture_compression_rgtc GL_ARB_texture_cube_map GL_ARB_texture_cube_map_array GL_ARB_texture_env_add GL_ARB_texture_env_combine GL_ARB_texture_env_crossbar GL_ARB_texture_env_dot3 GL_ARB_texture_filter_minmax GL_ARB_texture_float GL_ARB_texture_gather GL_ARB_texture_mirror_clamp_to_edge GL_ARB_texture_mirrored_repeat GL_ARB_texture_multisample GL_ARB_texture_non_power_of_two GL_ARB_texture_query_levels GL_ARB_texture_query_lod GL_ARB_texture_rectangle GL_ARB_texture_rg GL_ARB_texture_rgb10_a2ui GL_ARB_texture_stencil8 GL_ARB_texture_storage GL_ARB_texture_storage_multisample GL_ARB_texture_swizzle GL_ARB_texture_view GL_ARB_timer_query GL_ARB_transform_feedback2 GL_ARB_transform_feedback3 GL_ARB_transform_feedback_instanced GL_ARB_transform_feedback_overflow_query GL_ARB_transpose_matrix GL_ARB_uniform_buffer_object GL_ARB_vertex_array_bgra GL_ARB_vertex_array_object GL_ARB_vertex_attrib_64bit GL_ARB_vertex_attrib_binding GL_ARB_vertex_buffer_object GL_ARB_vertex_program GL_ARB_vertex_shader GL_ARB_vertex_type_10f_11f_11f_rev GL_ARB_vertex_type_2_10_10_10_rev GL_ARB_viewport_array GL_ARB_window_pos GL_ATI_draw_buffers GL_ATI_texture_float GL_ATI_texture_mirror_once GL_S3_s3tc GL_EXT_texture_env_add GL_EXT_abgr GL_EXT_bgra GL_EXT_bindable_uniform GL_EXT_blend_color GL_EXT_blend_equation_separate GL_EXT_blend_func_separate GL_EXT_blend_minmax GL_EXT_blend_subtract GL_EXT_compiled_vertex_array GL_EXT_Cg_shader GL_EXT_depth_bounds_test GL_EXT_direct_state_access GL_EXT_draw_buffers2 GL_EXT_draw_instanced GL_EXT_draw_range_elements GL_EXT_fog_coord GL_EXT_framebuffer_blit GL_EXT_framebuffer_multisample GL_EXTX_framebuffer_mixed_formats 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GL_NV_path_rendering_shared_edge GL_NV_pixel_data_range GL_NV_point_sprite GL_NV_primitive_restart GL_NV_register_combiners GL_NV_register_combiners2 GL_NV_sample_locations GL_NV_sample_mask_override_coverage GL_NV_shader_atomic_counters GL_NV_shader_atomic_float GL_NV_shader_atomic_fp16_vector GL_NV_shader_atomic_int64 GL_NV_shader_buffer_load GL_NV_shader_storage_buffer_object GL_NV_texgen_reflection GL_NV_texture_barrier GL_NV_texture_compression_vtc GL_NV_texture_env_combine4 GL_NV_texture_multisample GL_NV_texture_rectangle GL_NV_texture_shader GL_NV_texture_shader2 GL_NV_texture_shader3 GL_NV_transform_feedback GL_NV_transform_feedback2 GL_NV_uniform_buffer_unified_memory GL_NV_vertex_array_range GL_NV_vertex_array_range2 GL_NV_vertex_attrib_integer_64bit GL_NV_vertex_buffer_unified_memory GL_NV_vertex_program GL_NV_vertex_program1_1 GL_NV_vertex_program2 GL_NV_vertex_program2_option GL_NV_vertex_program3 GL_NV_viewport_array2 GL_NV_viewport_swizzle GL_NVX_conditional_render GL_NVX_gpu_memory_info GL_NVX_multigpu_info GL_NVX_nvenc_interop GL_NV_shader_thread_group GL_NV_shader_thread_shuffle GL_KHR_blend_equation_advanced GL_KHR_blend_equation_advanced_coherent GL_SGIS_generate_mipmap GL_SGIS_texture_lod GL_SGIX_depth_texture GL_SGIX_shadow GL_SUN_slice_accum GL_WIN_swap_hint WGL_EXT_swap_control 

    I
    igors32109239
    Participating Frequently
    April 20, 2017
    " i tried to do some steps, which made it very slow" sorry, I meant i repeated the steps as usually - BEFORE it was very slow. now it is OK, very fast...
    S
    Adobe Employee
    simonsaith
    Adobe Employee
    April 20, 2017
    Thank you for the feedback.
    S
    Adobe Employee
    simonsaith
    Adobe Employee
    April 20, 2017
    The new config setting does not prevent Lightroom from making use of all the CPU cores. Lightroom would still be using all the CPU cores. The config setting works more like a traffic stop onto a highway on-ramp during a rush hour. When the performance bandwidth of a system is limited (in this case, the bottleneck could be the CPU, RAM, system mother board, disk i/o etc), one could get more traffic through by avoiding a traffic jam at all cost. In this case, it limits the amount of traffic that let go onto the highway lanes at any given time and making sure the traffic that is already in the fast lanes will get to their destination efficiently and quickly.
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