[tile] DB libraries, and large-scale graph analytics. Open-source software projects resulting from his work include the Matrix Template Library, the Boost Graph Library and Open MPI. 。Phil Ratzloff *。Distinguished relationships between elements of a data set *，Without regard to what the data set actually is *。 Graph theoretical (abstract) results can be applied to many different practical (concrete) problems -theory cvMuNKCATIOWS 有二有 灿瑟必帮 和一是/第 手太则光大 A，训四 昱 站 -本| 厅 是，主 半一司、|全之体 ~ 对 /人-看 奋才全 和 全原 和 刁曾 The Future ls Big Graph: on meetalThngs soneaiadman MD] Basic Principles *。The C++ standard library (nee STL) provides

Müller — @foonathan Express your expectations CppCon 2023-10-03 1tc::json::parser Extract some JSON members tc nlohmann RapidJSON Boost.JSON simdjson 0 10 20 30 40 Library Time in ms fully validating expectations CppCon 2023-10-03 2(JSON) Parser design What is a parser? Jonathan Müller — @foonathan Express your expectations CppCon 2023-10-03 3Javascript Object Notation (JSON) Jonathan Müller — @foonathan @foonathan Express your expectations CppCon 2023-10-03 4Javascript Object Notation (JSON) Idea: Human-readable serialization of Javascript objects. Jonathan Müller — @foonathan Express your expectations CppCon

Scott, Principal Engineer at CMU SEI Graph/ML/AI algorithms for large- and small- scale parallel systems. Working on GBTL, a linear algebra-based C++ library for graph analytics.[DISTRIBUTION STATEMENT GraphBLAS community, C API Overview of our draft C++ API How might this interoperate with standard C++, graph library proposal? 4[DISTRIBUTION STATEMENT A] This material has been approved for public release GraphBLAS community, C API Overview of our draft C++ API How might this interoperate with standard C++, graph library proposal? 5[DISTRIBUTION STATEMENT A] This material has been approved for public release

top-down task graph What is Task Graph-based Programming System (TGPS) Code 4• TGPS encapsulates function calls and their dependencies in a top-down task graph What is Task Graph-based Programming task graph What is Task Graph-based Programming System (TGPS) Code A B C D B A C D 6• TGPS encapsulates function calls and their dependencies in a top-down task graph What is Task Graph-based precede(task_d); 19 20 sched.schedule(); 21 sched.wait(); B A C D 1. Easy to write and express a task graph 2. Allow to implement irregular parallel decomposition strategies 8Existing TGPSs on Heterogenous

…But how do we sort DEPENDENCIES between each pass?Directed Acyclic Graph (DAG) Core idea: ● Represent the frame as a Directed Acyclic Graph (DAG). ● Each pass is represented as a vertex. ● Vertices depend on itself (acyclic). ● Once the graph is built, topological sort to get the order of execution.Directed Acyclic Graph (DAG) 1 2 3 4 5 6 7 1 2 3 4Directed Acyclic Graph (DAG) 1 2 3 4 cycles!Directed Acyclic Graph (DAG) 1 2 3 4 5 6 7 1 2 3 4 Valid No cycles!Directed Acyclic Graph (DAG) 1 2 3 4 5 6 7 1 2 3 4 Valid No cycles!Directed Acyclic Graph (DAG) 1 2 3 4

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Plugin orchestration Demo How to implement？Step 1 • use DAG（Directed acyclic graph） for GUI • JSON of DAG Step 2 • use JSON schema to parse DAG，generate AST(Abstract Syntax Tree) • Generate Lua

export module qux; export namespace qux { … } qux.cppm Build order is now a DAG (Directed Acyclic Graph) bar.cppm qux.cppm -> bar.pcm qux.pcm foo.cppm -> foo.pcm my_app.cc -> my_app 1 1 2 3Include do those manually ● Imports may change over time, we would have to mirror the .cxx dependency graph in our build scripts, and it may become “out of sync” -> not ideal Deriving the correct build orderDependency produce which files ● New constraints: ○ No circular dependencies between imports (no cycles in the graph) ○ Build tool should be able to re-order dependencies based on the scanning resultsDependency scanning

when multiple Regions are concurrently applying snapshots #9329 @CalvinNeo • Fix the issue that some JSON functions unsupported by TiFlash are pushed down to TiFlash #9444 @windtalker • Tools • Backup & Y Y Y Y Y Y Y Date and time types Y Y Y Y Y Y Y Y Y Y Y Y String types Y Y Y Y Y Y Y Y Y Y Y Y JSON type Y Y Y Y Y Y Y E E E E E Vectort types E N N N N N N N N N N N Control flow functions Y Y Y Vector functions and operators E N N N N N N N N N N N Information functions Y Y Y Y Y Y Y Y Y Y Y Y JSON functions Y Y Y Y Y Y Y E E E E E Aggregation functions Y Y Y Y Y Y Y Y Y Y Y Y Window functions

when multiple Regions are concurrently applying snapshots #9329 @CalvinNeo • Fix the issue that some JSON functions unsupported by TiFlash are pushed down to TiFlash #9444 @windtalker • Tools • Backup & Y Y Y Y Y Y Y Date and time types Y Y Y Y Y Y Y Y Y Y Y Y String types Y Y Y Y Y Y Y Y Y Y Y Y JSON type Y Y Y Y Y Y Y E E E E E Vectort types E N N N N N N N N N N N Control flow functions Y Y Y Vector functions and operators E N N N N N N N N N N N Information functions Y Y Y Y Y Y Y Y Y Y Y Y JSON functions Y Y Y Y Y Y Y E E E E E Aggregation functions Y Y Y Y Y Y Y Y Y Y Y Y Window functions