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Diffstat (limited to 'src/ext_depends/D-YAML/examples/yaml_bench/yaml_bench.d')
| -rw-r--r-- | src/ext_depends/D-YAML/examples/yaml_bench/yaml_bench.d | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/src/ext_depends/D-YAML/examples/yaml_bench/yaml_bench.d b/src/ext_depends/D-YAML/examples/yaml_bench/yaml_bench.d deleted file mode 100644 index bb8446e..0000000 --- a/src/ext_depends/D-YAML/examples/yaml_bench/yaml_bench.d +++ /dev/null @@ -1,179 +0,0 @@ - -module dyaml.yaml_bench; -//Benchmark that loads, and optionally extracts data from and/or emits a YAML file. - -import std.algorithm; -import std.conv; -import std.datetime.systime; -import std.datetime.stopwatch; -import std.file; -import std.getopt; -import std.range; -import std.stdio; -import std.string; -import dyaml; - -///Get data out of every node. -void extract(ref Node document) @safe -{ - void crawl(ref Node root) @safe - { - final switch (root.nodeID) - { - case NodeID.scalar: - switch(root.tag) - { - case "tag:yaml.org,2002:null": auto value = root.as!YAMLNull; break; - case "tag:yaml.org,2002:bool": auto value = root.as!bool; break; - case "tag:yaml.org,2002:int": auto value = root.as!long; break; - case "tag:yaml.org,2002:float": auto value = root.as!real; break; - case "tag:yaml.org,2002:binary": auto value = root.as!(ubyte[]); break; - case "tag:yaml.org,2002:timestamp": auto value = root.as!SysTime; break; - case "tag:yaml.org,2002:str": auto value = root.as!string; break; - default: writeln("Unrecognozed tag: ", root.tag); - } - break; - case NodeID.sequence: - foreach(ref Node node; root) - { - crawl(node); - } - break; - case NodeID.mapping: - foreach(ref Node key, ref Node value; root) - { - crawl(key); - crawl(value); - } - break; - case NodeID.invalid: - assert(0); - } - } - - crawl(document); -} - -void main(string[] args) //@safe -{ - import std.array : array; - bool get = false; - bool dump = false; - bool reload = false; - bool quiet = false; - bool verbose = false; - bool scanOnly = false; - uint runs = 1; - - auto help = getopt( - args, - "get|g", "Extract data from the file (using Node.as()).", &get, - "dump|d", "Dump the loaded data (to YAML_FILE.dump).", &dump, - "runs|r", "Repeat parsing the file NUM times.", &runs, - "reload", "Reload the file from the diskl on every repeat By default,"~ - " the file is loaded to memory once and repeatedly parsed from memory.", &reload, - "quiet|q", "Don't print anything.", &quiet, - "verbose|v", "Print even more.", &verbose, - "scan-only|s", "Do not execute the entire parsing process, only scanning. Overrides '--dump'", &scanOnly - ); - - if (help.helpWanted || (args.length < 2)) - { - defaultGetoptPrinter( - "D:YAML benchmark\n"~ - "Copyright (C) 2011-2018 Ferdinand Majerech, Cameron \"Herringway\" Ross\n"~ - "Usage: yaml_bench [OPTION ...] [YAML_FILE]\n\n"~ - "Loads and optionally extracts data and/or dumps a YAML file.\n", - help.options - ); - return; - } - - string file = args[1]; - - auto stopWatch = StopWatch(AutoStart.yes); - void[] fileInMemory; - if(!reload) { fileInMemory = std.file.read(file); } - void[] fileWorkingCopy = fileInMemory.dup; - auto loadTime = stopWatch.peek(); - stopWatch.reset(); - try - { - // Instead of constructing a resolver/constructor with each Loader, - // construct them once to remove noise when profiling. - auto resolver = Resolver.withDefaultResolvers; - - auto constructTime = stopWatch.peek(); - - Node[] nodes; - - void runLoaderBenchmark() //@safe - { - // Loading the file rewrites the loaded buffer, so if we don't reload from - // disk, we need to use a copy of the originally loaded file. - if(reload) { fileInMemory = std.file.read(file); } - else { fileWorkingCopy[] = fileInMemory[]; } - void[] fileToLoad = reload ? fileInMemory : fileWorkingCopy; - - auto loader = Loader.fromBuffer(fileToLoad); - if(scanOnly) - { - loader.scanBench(); - return; - } - - loader.resolver = resolver; - nodes = loader.array; - } - void runDumpBenchmark() @safe - { - if(dump) - { - dumper().dump(File(file ~ ".dump", "w").lockingTextWriter, nodes); - } - } - void runGetBenchmark() @safe - { - if(get) foreach(ref node; nodes) - { - extract(node); - } - } - auto totalTime = benchmark!(runLoaderBenchmark, runDumpBenchmark, runGetBenchmark)(runs); - if (!quiet) - { - auto enabledOptions = - only( - get ? "Get" : "", - dump ? "Dump" : "", - reload ? "Reload" : "", - scanOnly ? "Scan Only": "" - ).filter!(x => x != ""); - if (!enabledOptions.empty) - { - writefln!"Options enabled: %-(%s, %)"(enabledOptions); - } - if (verbose) - { - if (!reload) - { - writeln("Time to load file: ", loadTime); - } - writeln("Time to set up resolver: ", constructTime); - } - writeln("Runs: ", runs); - foreach(time, func, enabled; lockstep(totalTime[], only("Loader", "Dumper", "Get"), only(true, dump, get))) - { - if (enabled) - { - writeln("Average time spent on ", func, ": ", time / runs); - writeln("Total time spent on ", func, ": ", time); - } - } - } - } - catch(YAMLException e) - { - writeln("ERROR: ", e.msg); - } -} |