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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,22 +1,22 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> | ||
| <ItemGroup> | ||
| <Filter Include="Source Files"> | ||
| <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier> | ||
| <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions> | ||
| </Filter> | ||
| <Filter Include="Header Files"> | ||
| <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier> | ||
| <Extensions>h;hh;hpp;hxx;hm;inl;inc;ipp;xsd</Extensions> | ||
| </Filter> | ||
| <Filter Include="Resource Files"> | ||
| <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier> | ||
| <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions> | ||
| </Filter> | ||
| </ItemGroup> | ||
| <ItemGroup> | ||
| <ClCompile Include="main.cpp"> | ||
| <Filter>Source Files</Filter> | ||
| </ClCompile> | ||
| </ItemGroup> | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> | ||
| <ItemGroup> | ||
| <Filter Include="Source Files"> | ||
| <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier> | ||
| <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions> | ||
| </Filter> | ||
| <Filter Include="Header Files"> | ||
| <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier> | ||
| <Extensions>h;hh;hpp;hxx;hm;inl;inc;ipp;xsd</Extensions> | ||
| </Filter> | ||
| <Filter Include="Resource Files"> | ||
| <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier> | ||
| <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions> | ||
| </Filter> | ||
| </ItemGroup> | ||
| <ItemGroup> | ||
| <ClCompile Include="main.cpp"> | ||
| <Filter>Source Files</Filter> | ||
| </ClCompile> | ||
| </ItemGroup> | ||
| </Project> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,130 +1,61 @@ | ||
| // #include <cstdio> | ||
| // #include <chrono> | ||
| // | ||
| // | ||
| // using timer = std::chrono::high_resolution_clock; | ||
| // | ||
| // int main(int argc, char *argv[]) | ||
| // { | ||
| // | ||
| // | ||
| // const auto start = timer::now(); | ||
| // | ||
| // | ||
| // // Fetch the file | ||
| // while(true) | ||
| // { | ||
| // auto result = am.request_cached_asset<MemoryRegion>( | ||
| // src, | ||
| // AssetPriority::NORMAL, | ||
| // ASSET_LOAD_IF_MISSING | ||
| // ); | ||
| // | ||
| // if(result) | ||
| // { | ||
| // printf("Loaded.\n"); | ||
| // src_region = result.value(); | ||
| // break; | ||
| // } | ||
| // | ||
| // auto end = timer::now(); | ||
| // const auto elapsed = std::chrono::duration_cast< | ||
| // std::chrono::microseconds | ||
| // >(end - start).count(); | ||
| // | ||
| // printf("Loading... %lld us\n", elapsed); | ||
| // } | ||
| // | ||
| // using namespace platform::file; | ||
| // | ||
| // MemoryMappedFile output { | ||
| // RegularFile { | ||
| // std::u8string(dst), | ||
| // FileOpenMode(OPEN_READ | OPEN_WRITE), | ||
| // FileOpenOptions(OPTION_CREATE_IF_MISSING) | ||
| // }, | ||
| // MAPPING_WRITE, | ||
| // src_region->length | ||
| // }; | ||
| // | ||
| // printf("Copying...\n"); | ||
| // memcpy(output.base_view(), src_region->base_address, src_region->length); | ||
| // output.flush(0, src_region->length); | ||
| // printf("Copied.\n"); | ||
| // } | ||
|
|
||
| #include <future> | ||
| #include <iostream> | ||
|
|
||
| #include <cstdio> | ||
| #include <cmath> | ||
| #include <Usagi/Modules/Runtime/Asset/AssetManager.hpp> | ||
| #include <Usagi/Modules/Runtime/Asset/Package/AssetPackageFilesystem.hpp> | ||
|
|
||
| constexpr float PI = 3.1415926535f; | ||
| constexpr int n = 200; | ||
| constexpr float h = PI / n; | ||
|
|
||
| float u[n + 1]; | ||
|
|
||
|
|
||
| // float cos_xj[n + 1]; | ||
| // float p1[n + 1]; | ||
| // // float p2[n + 1]; | ||
| // float p3[n + 1]; | ||
|
|
||
| bool present[n + 1] = { }; | ||
|
|
||
| float calc(int j) { | ||
| if(present[j]) return u[j]; | ||
|
|
||
| float xj = j * h; | ||
| float cos_xj = cos(xj); | ||
| float p2 = calc(j + 1) / (h * h); | ||
| float p1 = calc(j - 1) / (h * h); | ||
| float p3 = 20.f + 10.f * sin(xj) - 2.f / (h * h); | ||
|
|
||
| float v = (cos_xj - p1 - p2) / p3; | ||
| present[j] = true; | ||
| u[j] = v; | ||
| return v; | ||
| using namespace usagi; | ||
|
|
||
| class StdTaskExecutor : public TaskExecutor | ||
| { | ||
| public: | ||
| void submit(std::unique_ptr<Task> task) override | ||
| { | ||
| std::thread([t = std::move(task)]() { | ||
| using namespace std::chrono_literals; | ||
| std::this_thread::sleep_for(5ms); | ||
| if(!t->precondition()) throw std::runtime_error(""); | ||
| t->on_started(); | ||
| t->run(); | ||
| t->on_finished(); | ||
| if(!t->postcondition()) throw std::runtime_error(""); | ||
| }).detach(); | ||
| } | ||
| }; | ||
|
|
||
| int main(int argc, char const *argv[]) | ||
| int main(int argc, char *argv[]) | ||
| { | ||
| u[0] = 0; | ||
| u[n] = 0; | ||
| present[0] = present[n] = true; | ||
| StdTaskExecutor executor; | ||
| AssetManager asset_manager; | ||
| asset_manager.add_package(std::make_shared<AssetPackageFilesystem>("")); | ||
|
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||
|
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||
|
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||
| for(int j = 1; j < n; ++j) | ||
| for(int i = 0; i < 32; ++i) | ||
| { | ||
| printf("%f\n", calc(j)); | ||
| const auto future = std::async( | ||
| std::launch::async, [&]() { | ||
| PrimaryAsset asset; | ||
| do | ||
| { | ||
| asset = asset_manager.primary_asset(argv[1], &executor); | ||
| switch(asset.status) | ||
| { | ||
| case AssetStatus::PRIMARY_FOUND: | ||
| std::cout << "Found" << std::endl; | ||
| break; | ||
| case AssetStatus::PRIMARY_PENDING: | ||
| std::cout << "Pending" << std::endl; | ||
| break; | ||
| case AssetStatus::PRIMARY_LOADING: | ||
| std::cout << "Loading" << std::endl; | ||
| break; | ||
| case AssetStatus::PRIMARY_READY: | ||
| std::cout << "Ready" << std::endl; | ||
| break; | ||
| default: | ||
| throw 0; | ||
| } | ||
| } while(asset.status != AssetStatus::PRIMARY_READY); | ||
| }); | ||
| } | ||
| // uj = (cos_xj - u_j-1 / h^2 - u_j+1 / h^2) / (20 + 10 sin_xj - 2 / h^2) | ||
| // // u cos_xj p1 p2 p3 | ||
| // | ||
| // // first pass: iterate forward and compute cos_xj, p1, p3 | ||
| // // second pass: iterate backward and compute p2 and uj | ||
| // | ||
| // for(int j = 1; j < n; ++j) | ||
| // { | ||
| // float xj = j * h; | ||
| // cos_xj[j] = cos(xj); | ||
| // p1[j] = u[j-1] / (h * h); | ||
| // p3[j] = 20.f + 10.f * sin(xj) - 2.f / (h * h); | ||
| // } | ||
| // | ||
| // for(int j = n - 1; j > 0; --j) | ||
| // { | ||
| // float p2 = u[j+1] / (h * h); | ||
| // u[j] = cos_xj[j] - p1[j] - p2 / p3[j]; | ||
| // } | ||
| // | ||
| // for(int j = 1; j < n; ++j) | ||
| // { | ||
| // float xj = j * h; | ||
| // float lhs = (u[j-1] - 2.f * u[j] + u[j+1]) / (h * h) + (20.f + 10.f * sin(xj)) * u[j]; | ||
| // float rhs = cos(xj); | ||
| // printf("lhs = %f, rhs = %f\n", lhs, rhs); | ||
| // } | ||
|
|
||
| return 0; | ||
| } |
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