From 4174e533c001367b0ef391b72baa5b07cb517ce8 Mon Sep 17 00:00:00 2001 From: Sergey Sharybin Date: Tue, 2 May 2017 15:02:49 +0200 Subject: Cycles: Cache split kernels in CUDA device This way we don't re-load kernels for every sample in the viewport. Additionally, we don't risk global size changed inbetween of samples. --- intern/cycles/device/device_cuda.cpp | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/intern/cycles/device/device_cuda.cpp b/intern/cycles/device/device_cuda.cpp index ef283c9d455..acfb3e1d8f4 100644 --- a/intern/cycles/device/device_cuda.cpp +++ b/intern/cycles/device/device_cuda.cpp @@ -119,6 +119,7 @@ public: int cuDevId; int cuDevArchitecture; bool first_error; + CUDASplitKernel *split_kernel; struct PixelMem { GLuint cuPBO; @@ -221,6 +222,8 @@ public: cuDevice = 0; cuContext = 0; + split_kernel = NULL; + need_bindless_mapping = false; /* intialize */ @@ -260,6 +263,8 @@ public: { task_pool.stop(); + delete split_kernel; + if(info.has_bindless_textures) { tex_free(bindless_mapping); } @@ -1336,12 +1341,14 @@ public: requested_features.max_closure = 64; } - CUDASplitKernel split_kernel(this); - split_kernel.load_kernels(requested_features); + if(split_kernel == NULL) { + split_kernel = new CUDASplitKernel(this); + split_kernel->load_kernels(requested_features); + } while(task->acquire_tile(this, tile)) { device_memory void_buffer; - split_kernel.path_trace(task, tile, void_buffer, void_buffer); + split_kernel->path_trace(task, tile, void_buffer, void_buffer); task->release_tile(tile); -- cgit v1.2.3