diff options
Diffstat (limited to 'utils')
| -rw-r--r-- | utils/Makefile | 2 | ||||
| -rw-r--r-- | utils/json-bench/CMakeLists.txt | 5 | ||||
| -rw-r--r-- | utils/json-bench/JSONBench.cpp | 85 | ||||
| -rw-r--r-- | utils/json-bench/Makefile | 21 |
4 files changed, 1 insertions, 112 deletions
diff --git a/utils/Makefile b/utils/Makefile index b98376006e..ecb30bed7c 100644 --- a/utils/Makefile +++ b/utils/Makefile @@ -9,7 +9,7 @@ LEVEL = .. PARALLEL_DIRS := FileCheck FileUpdate TableGen PerfectShuffle \ - count fpcmp llvm-lit not unittest json-bench + count fpcmp llvm-lit not unittest EXTRA_DIST := check-each-file codegen-diff countloc.sh \ DSAclean.py DSAextract.py emacs findsym.pl GenLibDeps.pl \ diff --git a/utils/json-bench/CMakeLists.txt b/utils/json-bench/CMakeLists.txt deleted file mode 100644 index 03ac51ce64..0000000000 --- a/utils/json-bench/CMakeLists.txt +++ /dev/null @@ -1,5 +0,0 @@ -add_llvm_utility(json-bench - JSONBench.cpp - ) - -target_link_libraries(json-bench LLVMSupport) diff --git a/utils/json-bench/JSONBench.cpp b/utils/json-bench/JSONBench.cpp deleted file mode 100644 index ca8a36a03a..0000000000 --- a/utils/json-bench/JSONBench.cpp +++ /dev/null @@ -1,85 +0,0 @@ -//===- JSONBench - Benchmark the JSONParser implementation ----------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This program executes the JSONParser on differntly sized JSON texts and -// outputs the run time. -// -//===----------------------------------------------------------------------===// - -#include "llvm/ADT/Twine.h" -#include "llvm/Support/CommandLine.h" -#include "llvm/Support/JSONParser.h" -#include "llvm/Support/Timer.h" -#include "llvm/Support/raw_ostream.h" - -static llvm::cl::opt<bool> -Verify("verify", llvm::cl::desc( - "Run a quick verification useful for regression testing"), - llvm::cl::init(false)); - -static llvm::cl::opt<unsigned> -MemoryLimitMB("memory-limit", llvm::cl::desc( - "Do not use more megabytes of memory"), - llvm::cl::init(1000)); - -void benchmark(llvm::TimerGroup &Group, llvm::StringRef Name, - llvm::StringRef JSONText) { - llvm::Timer BaseLine((Name + ": Loop").str(), Group); - BaseLine.startTimer(); - char C = 0; - for (llvm::StringRef::iterator I = JSONText.begin(), - E = JSONText.end(); - I != E; ++I) { C += *I; } - BaseLine.stopTimer(); - volatile char DontOptimizeOut = C; (void)DontOptimizeOut; - - llvm::Timer Parsing((Name + ": Parsing").str(), Group); - Parsing.startTimer(); - llvm::SourceMgr SM; - llvm::JSONParser Parser(JSONText, &SM); - if (!Parser.validate()) { - llvm::errs() << "Parsing error in JSON parser benchmark.\n"; - exit(1); - } - Parsing.stopTimer(); -} - -std::string createJSONText(size_t MemoryMB, unsigned ValueSize) { - std::string JSONText; - llvm::raw_string_ostream Stream(JSONText); - Stream << "[\n"; - size_t MemoryBytes = MemoryMB * 1024 * 1024; - while (JSONText.size() < MemoryBytes) { - Stream << " {\n" - << " \"key1\": \"" << std::string(ValueSize, '*') << "\",\n" - << " \"key2\": \"" << std::string(ValueSize, '*') << "\",\n" - << " \"key3\": \"" << std::string(ValueSize, '*') << "\"\n" - << " }"; - Stream.flush(); - if (JSONText.size() < MemoryBytes) Stream << ","; - Stream << "\n"; - } - Stream << "]\n"; - Stream.flush(); - return JSONText; -} - -int main(int argc, char **argv) { - llvm::cl::ParseCommandLineOptions(argc, argv); - llvm::TimerGroup Group("JSON parser benchmark"); - if (Verify) { - benchmark(Group, "Fast", createJSONText(10, 500)); - } else { - benchmark(Group, "Small Values", createJSONText(MemoryLimitMB, 5)); - benchmark(Group, "Medium Values", createJSONText(MemoryLimitMB, 500)); - benchmark(Group, "Large Values", createJSONText(MemoryLimitMB, 50000)); - } - return 0; -} - diff --git a/utils/json-bench/Makefile b/utils/json-bench/Makefile deleted file mode 100644 index 6651626f68..0000000000 --- a/utils/json-bench/Makefile +++ /dev/null @@ -1,21 +0,0 @@ -##===- utils/FileCheck/Makefile ----------------------------*- Makefile -*-===## -# -# The LLVM Compiler Infrastructure -# -# This file is distributed under the University of Illinois Open Source -# License. See LICENSE.TXT for details. -# -##===----------------------------------------------------------------------===## - -LEVEL = ../.. -TOOLNAME = json-bench -USEDLIBS = LLVMSupport.a - -# This tool has no plugins, optimize startup time. -TOOL_NO_EXPORTS = 1 - -# Don't install this utility -NO_INSTALL = 1 - -include $(LEVEL)/Makefile.common - |