C++高性能并行编程与优化 - 课件 - 07 深入浅出访存优化初极狭，才通人。复行数十步，豁然开朗。 • 总之，现在和没优化的 x_blur 差不多快了，应该算是优化完了。 测试 源码在： github.com/parallel101/course/blob/master/07/07_stencil/03 测试 两步走的高斯模糊 两步走的箱型滤波 黑边是因为我们 ndarray 采用的 ghost cell 避免越界，可以手动填充一下这些 ghost cell 为 clamp0 码力 | 147 页 | 18.88 MB | 1 年前3
Monads in Modern C++somewhere in namespace std... 02: 03: template04: struct vector 05: { 06: // ... 07: template 08: vector transform(function 04: struct vector 05: { 06: // ... 07: template 08: vector transform(function 04: struct vector 05: { 06: // ... 07: template 08: vector transform(function 0 码力 | 94 页 | 4.56 MB | 5 月前3- Modern C++ Tutorial: C++11/14/17/20 On the Fly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Chapter 07 Parallelism and Concurrency 71 5 CONTENTS CONTENTS 7.1 Basic of Parallelism . . . . . . . . . . from std::regex’s author 2. Library document of Regular Expression 70 CHAPTER 07 PARALLELISM AND CONCURRENCY Chapter 07 Parallelism and Concurrency 7.1 Basic of Parallelism std::thread is used to create critical_section(int change_v) { static std::mutex mtx; 71 7.2 Mutex and Critical Section CHAPTER 07 PARALLELISM AND CONCURRENCY std::lock_guard0 码力 | 92 页 | 1.79 MB | 1 年前3
- Adventures in SIMD Thinking (Part 1 of 2)Clang 10.0.1, all code compiled with -O3 –mavx512 -march=skylake • Element counts of 1E02 through 1E07 (by 10s) • Pre-sorted integers increasing monotonically • Randomly generated signed integers [-50 4.4 4.4 4.3 4.2 4.2 1E+00 1E+01 1E+02 1E+03 1E+04 1E+05 1E+06 1E+07 1E+08 1E+09 1E+02 1E+03 1E+04 1E+05 1E+06 1E+07 duration (nsec) size (elements) Pre-Sorted Input - GCC 10.2 stl avx 19.2 19.1 18.4 18.9 1E+00 1E+01 1E+02 1E+03 1E+04 1E+05 1E+06 1E+07 1E+08 1E+09 1E+02 1E+03 1E+04 1E+05 1E+06 1E+07 duration (nsec) size (elements) Random Input - GCC 10.2 stl avx speedupCopyright0 码力 | 88 页 | 824.07 KB | 5 月前3
- How to Build Your First C++ Automated Refactoring Tool - CppCon 2023FixItHint::CreateInsertion(function_decl->getLocation(), "awesome_");Writing A New Clang Tidy Check 07 75 75struct Expensive { int array[128]; }; int main() { Expensive arr[42] = {}; for (const auto (absl::GetFlag(FLAGS_Example_for_cpp_con)) { foo(); } else { bar(); } foo();In Conclusion 07 81Special Thanks People Who Taught Me About Clang Samuel Benzaquen Matthew Kulukundis Andy Soffer Until I Finally Wrote It Peter Muldoon Daisy Hollman David Sankel Bret Brown Margot LeiboldQuestions 07 830 码力 | 83 页 | 6.03 MB | 5 月前3
- Performance Engineering: Being Friendly to Your Hardware-1698897920 slli a5, a5, 32 addi a0, a0, -272 add a0, a5, a0 12 34 57 b7 67 97 87 93 9a bc e5 37 02 07 97 93 ef 05 05 13 00 a7 85 33 MIPS li $2, 38141952 ori $2, $2, 0x8acf dsll $2, $2, 17 -1698897920 slli a5, a5, 32 addi a0, a0, -272 add a0, a5, a0 12 34 57 b7 67 97 87 93 9a bc e5 37 02 07 97 93 ef 05 05 13 00 a7 85 33 MIPS li $2, 38141952 ori $2, $2, 0x8acf dsll $2, $2, 17 -1698897920 slli a5, a5, 32 addi a0, a0, -272 add a0, a5, a0 12 34 57 b7 67 97 87 93 9a bc e5 37 02 07 97 93 ef 05 05 13 00 a7 85 33 MIPS li $2, 38141952 ori $2, $2, 0x8acf dsll $2, $2, 170 码力 | 111 页 | 2.23 MB | 5 月前3
- Building Effective Embedded Systems: Architectural Best Practiceslogs to automatic monitoring08:51:06 08:51:0708:51:06 08:51:0708:51:06 08:51:07 1 208:51:06 08:51:07 2 108:51:06 08:51:07 1 2⊡ Add timestamps with milliseconds ⊡ Add metadata (log level, file, line0 码力 | 241 页 | 2.28 MB | 5 月前3
- Conan 2.10 Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 758 11.4 2.9.2 (07-Nov-2024) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 758 static library libhello.a [100%] Built target hello hello/1.0: Package '3d27635e4dd04a258d180fe03cfa07ae1186a828' built hello/1.0: Build folder /Users/user/.conan2/p/tmp/19a2e552db727a2b/b/build/Debug hello/1 hello/1.0 package(): Packaged 1 '.a' file: libhello.a hello/1.0: Package '3d27635e4dd04a258d180fe03cfa07ae1186a828' created hello/1.0: Created package revision 67b887a0805c2a535b58be404529c1fe hello/1.0:0 码力 | 803 页 | 5.02 MB | 10 月前3
- Conan 2.9 Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 751 10.2 2.9.2 (07-Nov-2024) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 751 static library libhello.a [100%] Built target hello hello/1.0: Package '3d27635e4dd04a258d180fe03cfa07ae1186a828' built hello/1.0: Build folder /Users/user/.conan2/p/tmp/19a2e552db727a2b/b/build/Debug hello/1 hello/1.0 package(): Packaged 1 '.a' file: libhello.a hello/1.0: Package '3d27635e4dd04a258d180fe03cfa07ae1186a828' created hello/1.0: Created package revision 67b887a0805c2a535b58be404529c1fe hello/1.0:0 码力 | 795 页 | 4.99 MB | 10 月前3
- Conan 2.7 Documentationstatic library libhello.a [100%] Built target hello hello/1.0: Package '3d27635e4dd04a258d180fe03cfa07ae1186a828' built hello/1.0: Build folder /Users/user/.conan2/p/tmp/19a2e552db727a2b/b/build/Debug hello/1 hello/1.0 package(): Packaged 1 '.a' file: libhello.a hello/1.0: Package '3d27635e4dd04a258d180fe03cfa07ae1186a828' created hello/1.0: Created package revision 67b887a0805c2a535b58be404529c1fe hello/1.0: Full package reference: hello/1.0 ˓→#e6b11fb0cb64e3777f8d62f4543cd6b3:3d27635e4dd04a258d180fe03cfa07ae1186a828 ˓→#67b887a0805c2a535b58be404529c1fe hello/1.0: Package folder /Users/user/.conan2/p/c7796386fcad5369/p0 码力 | 779 页 | 4.93 MB | 10 月前3
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