55550da68b
Upon investigating the extremely slow MSVC build times in #80513, I noticed that while Godot policy is to never use exceptions, we weren't enforcing it with compiler flags, and thus still included exception handling code and stack unwinding. This is wasteful on multiple aspects: - Binary size: Around 20% binary size reduction with exceptions disabled for both MSVC and GCC binaries. - Compile time: * More than 50% build time reduction with MSVC. * 10% to 25% build time reduction with GCC + LTO. - Performance: Possibly, needs to be benchmarked. Since users may want to re-enable exceptions in their own thirdparty code or the libraries they compile with Godot, this behavior can be toggled with the `disable_exceptions` SCons option, which defaults to true.
142 lines
5 KiB
Python
142 lines
5 KiB
Python
#!/usr/bin/env python
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import resource_to_cpp
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Import("env")
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Import("env_modules")
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env_oidn = env_modules.Clone()
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# Thirdparty source files
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thirdparty_obj = []
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thirdparty_dir = "#thirdparty/oidn/"
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thirdparty_sources = [
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"core/api.cpp",
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"core/device.cpp",
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"core/filter.cpp",
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"core/network.cpp",
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"core/autoencoder.cpp",
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"core/transfer_function.cpp",
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"weights/rtlightmap_hdr.gen.cpp",
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"mkl-dnn/src/common/batch_normalization.cpp",
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"mkl-dnn/src/common/concat.cpp",
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"mkl-dnn/src/common/convolution.cpp",
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"mkl-dnn/src/common/convolution_pd.cpp",
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"mkl-dnn/src/common/deconvolution.cpp",
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"mkl-dnn/src/common/eltwise.cpp",
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"mkl-dnn/src/common/engine.cpp",
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"mkl-dnn/src/common/inner_product.cpp",
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"mkl-dnn/src/common/inner_product_pd.cpp",
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"mkl-dnn/src/common/lrn.cpp",
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"mkl-dnn/src/common/memory.cpp",
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"mkl-dnn/src/common/memory_desc_wrapper.cpp",
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"mkl-dnn/src/common/mkldnn_debug.cpp",
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"mkl-dnn/src/common/mkldnn_debug_autogenerated.cpp",
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"mkl-dnn/src/common/pooling.cpp",
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"mkl-dnn/src/common/primitive.cpp",
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"mkl-dnn/src/common/primitive_attr.cpp",
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"mkl-dnn/src/common/primitive_desc.cpp",
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"mkl-dnn/src/common/primitive_exec_types.cpp",
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"mkl-dnn/src/common/primitive_iterator.cpp",
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"mkl-dnn/src/common/query.cpp",
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"mkl-dnn/src/common/reorder.cpp",
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"mkl-dnn/src/common/rnn.cpp",
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"mkl-dnn/src/common/scratchpad.cpp",
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"mkl-dnn/src/common/shuffle.cpp",
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"mkl-dnn/src/common/softmax.cpp",
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"mkl-dnn/src/common/stream.cpp",
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"mkl-dnn/src/common/sum.cpp",
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"mkl-dnn/src/common/utils.cpp",
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"mkl-dnn/src/common/verbose.cpp",
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"mkl-dnn/src/cpu/cpu_barrier.cpp",
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"mkl-dnn/src/cpu/cpu_concat.cpp",
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"mkl-dnn/src/cpu/cpu_engine.cpp",
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"mkl-dnn/src/cpu/cpu_memory.cpp",
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"mkl-dnn/src/cpu/cpu_reducer.cpp",
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"mkl-dnn/src/cpu/cpu_reorder.cpp",
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"mkl-dnn/src/cpu/cpu_sum.cpp",
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"mkl-dnn/src/cpu/jit_avx2_conv_kernel_f32.cpp",
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"mkl-dnn/src/cpu/jit_avx2_convolution.cpp",
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"mkl-dnn/src/cpu/jit_avx512_common_conv_kernel.cpp",
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"mkl-dnn/src/cpu/jit_avx512_common_conv_winograd_kernel_f32.cpp",
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"mkl-dnn/src/cpu/jit_avx512_common_convolution.cpp",
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"mkl-dnn/src/cpu/jit_avx512_common_convolution_winograd.cpp",
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"mkl-dnn/src/cpu/jit_avx512_core_fp32_wino_conv_2x3.cpp",
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"mkl-dnn/src/cpu/jit_avx512_core_fp32_wino_conv_4x3.cpp",
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"mkl-dnn/src/cpu/jit_avx512_core_fp32_wino_conv_4x3_kernel.cpp",
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"mkl-dnn/src/cpu/jit_sse42_conv_kernel_f32.cpp",
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"mkl-dnn/src/cpu/jit_sse42_convolution.cpp",
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"mkl-dnn/src/cpu/jit_transpose_src_utils.cpp",
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"mkl-dnn/src/cpu/jit_uni_eltwise.cpp",
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"mkl-dnn/src/cpu/jit_uni_pool_kernel_f32.cpp",
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"mkl-dnn/src/cpu/jit_uni_pooling.cpp",
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"mkl-dnn/src/cpu/jit_uni_reorder.cpp",
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"mkl-dnn/src/cpu/jit_uni_reorder_utils.cpp",
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"mkl-dnn/src/cpu/jit_utils/jit_utils.cpp",
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"mkl-dnn/src/cpu/jit_utils/jitprofiling/jitprofiling.c",
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"common/platform.cpp",
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"common/thread.cpp",
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"common/tensor.cpp",
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]
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thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources]
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thirdparty_include_dirs = [
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"",
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"include",
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"mkl-dnn/include",
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"mkl-dnn/src",
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"mkl-dnn/src/common",
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"mkl-dnn/src/cpu/xbyak",
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"mkl-dnn/src/cpu",
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]
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thirdparty_include_dirs = [thirdparty_dir + file for file in thirdparty_include_dirs]
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env_oidn.Prepend(CPPPATH=thirdparty_include_dirs)
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env_oidn.Append(
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CPPDEFINES=[
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"MKLDNN_THR=MKLDNN_THR_SEQ",
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"OIDN_STATIC_LIB",
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"__STDC_CONSTANT_MACROS",
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"__STDC_LIMIT_MACROS",
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"DISABLE_VERBOSE",
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"MKLDNN_ENABLE_CONCURRENT_EXEC",
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]
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)
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env_oidn.AppendUnique(CPPDEFINES=["NDEBUG"]) # No assert() even in debug builds.
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env_thirdparty = env_oidn.Clone()
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env_thirdparty.disable_warnings()
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if env["disable_exceptions"]:
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# OIDN hard-requires exceptions, so we re-enable them here.
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if env.msvc and ("_HAS_EXCEPTIONS", 0) in env_thirdparty["CPPDEFINES"]:
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env_thirdparty["CPPDEFINES"].remove(("_HAS_EXCEPTIONS", 0))
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env_thirdparty.AppendUnique(CCFLAGS=["/EHsc"])
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elif not env.msvc and "-fno-exceptions" in env_thirdparty["CCFLAGS"]:
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env_thirdparty["CCFLAGS"].remove("-fno-exceptions")
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env_thirdparty.add_source_files(thirdparty_obj, thirdparty_sources)
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env.modules_sources += thirdparty_obj
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if env["platform"] == "windows" and not env.msvc:
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env_thirdparty.Append(CPPFLAGS=["-mstackrealign"])
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weights_in_path = thirdparty_dir + "weights/rtlightmap_hdr.tza"
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weights_out_path = thirdparty_dir + "weights/rtlightmap_hdr.gen.cpp"
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env_thirdparty.Depends(weights_out_path, weights_in_path)
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env_thirdparty.CommandNoCache(weights_out_path, weights_in_path, resource_to_cpp.tza_to_cpp)
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# Godot source files
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module_obj = []
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env_oidn.add_source_files(module_obj, "denoise_wrapper.cpp")
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env_modules.add_source_files(module_obj, ["register_types.cpp", "lightmap_denoiser.cpp"])
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env.modules_sources += module_obj
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# Needed to force rebuilding the module files when the thirdparty library is updated.
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env.Depends(module_obj, thirdparty_obj)
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