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Hash : 5e5b7537
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Date : 2020-08-10T21:02:50
Vulkan: Optimize resource tracking in CommandBufferHelper. Introduces a FastUnorderedMap class that uses FastVector. This type uses static storage for up to a small fixed number of elements and uses dynamic storage for anything larger. Local testing shows this almost fully solves the regression from using unordered_map. It's still slightly slower than using no tracking (<5%). Very degenerate cases which track dozens or more buffers will still have significant overhead. For almost all applications that use only a few buffers per RenderPass this will be very fast. Test: angle_perftests, *vulkan_null_index_buffer_changed_ushort Bug: angleproject:4950 Bug: angleproject:4429 Change-Id: I39edeaaa159124167f1ea23ad2e6eac5e9220d0b Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2348108 Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com> Reviewed-by: Tim Van Patten <timvp@google.com> Commit-Queue: Jamie Madill <jmadill@chromium.org>
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Files
- Color.h
- Color.inc
- FastVector.h
- FastVector_unittest.cpp
- FixedVector.h
- FixedVector_unittest.cpp
- Float16ToFloat32.cpp
- Float16ToFloat32.py
- MemoryBuffer.cpp
- MemoryBuffer.h
- Optional.h
- Optional_unittest.cpp
- PackedEGLEnums_autogen.cpp
- PackedEGLEnums_autogen.h
- PackedEnums.cpp
- PackedEnums.h
- PackedGLEnums_autogen.cpp
- PackedGLEnums_autogen.h
- PoolAlloc.cpp
- PoolAlloc.h
- PoolAlloc_unittest.cpp
- aligned_memory.cpp
- aligned_memory.h
- aligned_memory_unittest.cpp
- android_util.cpp
- android_util.h
- angleutils.cpp
- angleutils.h
- angleutils_unittest.cpp
- apple_platform_utils.h
- bitset_utils.h
- bitset_utils_unittest.cpp
- debug.cpp
- debug.h
- event_tracer.cpp
- event_tracer.h
- fuchsia_egl/
- gen_packed_gl_enums.py
- gen_uniform_type_table.py
- hash_utils.h
- hash_utils_unittest.cpp
- mathutil.cpp
- mathutil.h
- mathutil_unittest.cpp
- matrix_utils.cpp
- matrix_utils.h
- matrix_utils_unittest.cpp
- packed_egl_enums.json
- packed_gl_enums.json
- platform.h
- string_utils.cpp
- string_utils.h
- string_utils_unittest.cpp
- system_utils.cpp
- system_utils.h
- system_utils_linux.cpp
- system_utils_mac.cpp
- system_utils_posix.cpp
- system_utils_unittest.cpp
- system_utils_win.cpp
- system_utils_win32.cpp
- system_utils_winuwp.cpp
- third_party/
- tls.cpp
- tls.h
- uniform_type_info_autogen.cpp
- utilities.cpp
- utilities.h
- utilities_unittest.cpp
- vector_utils.h
- vector_utils_unittest.cpp
- version.h
- vulkan/
