<< ")" << endl; } int m_i; }; int main() { auto v1 = Foo(1); { auto v2 = Foo(2); } auto v3 = Foo(3); auto v4 = new Foo(4); } https://godbolt.org/z/4WroY5311 1 2 3 4 5 6 7 8 9 << ")" << endl; } int m_i; }; int main() { auto v1 = Foo(1); { auto v2 = Foo(2); } auto v3 = Foo(3); auto v4 = new Foo(4); } https://godbolt.org/z/4WroY5311 1 2 3 4 5 6 7 8 9 } int m_i; }; int main() { auto v1 = Foo(1); // Foo(1) { auto v2 = Foo(2); } auto v3 = Foo(3); auto v4 = new Foo(4); } https://godbolt.org/z/4WroY5311 1 2 3 4 5 6 7 8 9

(data hazard)Branchless Computing 27 BRANCHES: BANE OF THE PIPELINES ● Hard to pipeline code: a += (v3[i]) ? (v1[i]+v2[i]) : (v1[i]*v2[i]) ● Pipelining relies on a continuous stream of instructions that order ● CPU must wait until it knows which instruction to fetch next load:v1[i]...v3[i] cmp[i]:v3[i]==0 jump if true a[i]:a+=v1[i]+v2[i] jump a[i]:a+=v1[i]*v2[i] ...Branchless Computing code: a += (v3[i]) ? (v1[i]+v2[i]) : (v1[i]*v2[i]) load:v1[i]...v3[i] cmp[i]:v3[i]==0 jump if true a[i]:a+=v1[i]+v2[i] jump a[i]:a+=v1[i]*v2[i] ... cmp[i+1]:v3[i+1]==0 load:v1[i+1]...v3[i+1] jump

CHM copyIdx copyDone size slots newTable K1 V1 K2 V2 K3 V3 K4 V4 Table pairs CHM copyIdx copyDone size slots newTable K1 V1 K2 V2 K3 V3 K4 V4 K5 V5 K6 V6 K7 V7 K8 V8 K1 V1 K2 V2 1.dat 2.dat 3 CHM copyIdx copyDone size slots newTable K1 V1 K2 V2 K3 V3 K4 V4 Table pairs CHM copyIdx copyDone size slots newTable K1 V1 K2 V2 K3 V3 K4 V4 K5 V5 K6 V6 K7 V7 K8 V8 K1 V1 K2 V2 1.dat 2.dat 3 CHM copyIdx copyDone size slots newTable K1 V1 K2 V2 K3 V3 K4 V4 Table pairs CHM copyIdx copyDone size slots newTable K1 V1 K2 V2 K3 V3 K4 V4 K5 V5 K6 V6 K7 V7 K8 V8 K1 V1 K2 V2 1.dat 2.dat 3

quantity v1 = 110 * (km / h); // 110 km/h constexpr quantity v2 = 70 * mph; // 70 mi/hhello, units auto v3 = avg_speed(220. * isq::distance[km], 2 * h); // 110.0 km/h auto v4 = avg_speed(isq::distance(140 * h); // 70.0 mi/hhello, units constexpr auto avg_speed(auto d, auto t) { return d / t; } auto v3 = avg_speed(220. * isq::distance[km], 2 * h); // 110.0 km/h auto v4 = avg_speed(isq::distance(140 avg_speed(QuantityOf auto d, QuantityOf auto t) { return d / t; } auto v3 = avg_speed(220. * isq::distance[km], 2 * h); // 110.0 km/h auto v4 = avg_speed(isq::distance(140

'b', 'c' }; std::vector v3 { 3, 4, 5 }; auto r1 { std::views::zip(v1, v2) }; // {(1,'a'),(2,'b')} auto r2 { std::views::zip_transform(std::multiplies(), v1, v3) }; // {3,8}78 Changes auto r5 { v2 | std::views::pairwise }; // {('a','b'),('b','c’)} std::vector v3 { 3, 4, 5 }; auto r6 { v3 | std::views::pairwise_transform(std::plus()) }; // {7,9}80 Changes to Views Library

#1 #include #include v3/view/facade.hpp> #include v3/view/transform.hpp> #include v3/range/conversion.hpp> #include v3/view/take_exactly.hpp> #include

0 码力 | 83 页 | 4.70 MB | 5 月前

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apability Model https://operatorframework.io/operator-capabilities/Validation & DefaultingOpenAPI v3 schemas ● Validation is done on PUT / POST / PATCH requests ● apiVersion, kind, metadata validation password ○ byte ○ binary ○ … ● Quantors for subschemas ○ allOf ○ oneOf ○ anyOf ○ notOpenAPI v3 schemas https://book.kubebuilder.io/reference/generating-crdValidation rules - Common Expression Language Defaulter function https://book.kubebuilder.io/cronjob-tutorial/webhook-implementationDefaulting - OpenAPI v3 schema https://kubernetes.io/docs/tasks/extend-kubernetes/custom-resources/custom-resource-definitions/#defaulting

std::vector v3 = {3, 4, 5}; // {(1, 'a'), (2, 'b')} std::print("{}\n", std::views::zip(v1, v2)); // {3, 8} std::print("{}\n", std::views::zip_transform(std::multiplies(), v1, v3) // std::print("{}\n", v2 | std::views::pairwise); // {7, 9} std::print("{}\n", v3 | std::views::pairwise_transform(std::plus())); 6 . 6Adjuncts Adjuncts 7 . 1span span span is

{ return vector{std::forward(t)}; } int main() { std::vector v1{1,2,3}; auto v3 = make_vector(1); // std::vector auto v4 = make_vector(v1); static_assert(st { return vector{std::forward(t)}; } int main() { std::vector v1{1,2,3}; auto v3 = make_vector(1); // std::vector auto v4 = make_vector(v1); static_assert(st return vector{std::forward(t)}; } int main() { std::vector v1{1,2,3}; auto v3 = make_vector(1); // std::vector auto v4 = make_vector(v1); static_assert(st

==131579== Cachegrind, a cache and branch-prediction profiler ==131579== Copyright (C) 2002-2017, and GNU GPL'd, by Nicholas Nethercote et al. … ==131579== I refs: 20,721,901,316 ==131579== I1 misses: ==131579== Cachegrind, a cache and branch-prediction profiler ==131579== Copyright (C) 2002-2017, and GNU GPL'd, by Nicholas Nethercote et al. … ==131579== I refs: 20,721,901,316 ==131579== I1 misses: Cachegrind, a cache and branch-prediction profiler 1 ==131579== Copyright (C) 2002-2017, and GNU GPL'd, by Nicholas Nethercote et al. 2 3 … 4 5 6 7 8 ==131579== 9 ==131579== D refs: 7,762