Added a version of RapidJSON with static alloc.
This commit is contained in:
Daniel Lemire
parent
751dce98f5
commit
15161669ec
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@ -1,5 +1,5 @@
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#include <unistd.h>
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#include "simdjson/jsonparser.h"
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#include <unistd.h>
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#include "benchmark.h"
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@ -10,20 +10,18 @@
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#include "rapidjson/stringbuffer.h"
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#include "rapidjson/writer.h"
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#include "json11.cpp"
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#include "sajson.h"
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#include "fastjson.cpp"
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#include "fastjson_dom.cpp"
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#include "gason.cpp"
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extern "C"
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{
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#include "ultrajsondec.c"
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#include "json11.cpp"
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#include "sajson.h"
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extern "C" {
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#include "ujdecode.h"
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#include "ultrajsondec.c"
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}
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using namespace rapidjson;
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using namespace std;
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// fastjson has a tricky interface
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void on_json_error(void *, const fastjson::ErrorContext &ec) {
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// std::cerr<<"ERROR: "<<ec.mesg<<std::endl;
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@ -31,7 +29,8 @@ void on_json_error( void *, const fastjson::ErrorContext& ec) {
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bool fastjson_parse(const char *input) {
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fastjson::Token token;
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fastjson::dom::Chunk chunk;
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return fastjson::dom::parse_string(input, &token, &chunk, 0, &on_json_error, NULL);
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return fastjson::dom::parse_string(input, &token, &chunk, 0, &on_json_error,
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NULL);
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}
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// end of fastjson stuff
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@ -40,8 +39,7 @@ int main(int argc, char *argv[]) {
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bool all = false;
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int c;
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while ((c = getopt(argc, argv, "va")) != -1)
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switch (c)
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{
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switch (c) {
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case 'v':
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verbose = true;
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break;
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@ -54,7 +52,8 @@ int main(int argc, char *argv[]) {
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if (optind >= argc) {
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cerr << "Usage: " << argv[0] << " <jsonfile>\n";
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cerr << "Or " << argv[0] << " -v <jsonfile>\n";
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cerr << "To enable parsers that are not standard compliant, use the -a flag\n";
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cerr << "To enable parsers that are not standard compliant, use the -a "
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"flag\n";
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exit(1);
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}
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const char *filename = argv[optind];
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@ -88,42 +87,95 @@ int main(int argc, char *argv[]) {
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}
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int repeat = 10;
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int volume = p.size();
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BEST_TIME("simdjson (dynamic mem) ", build_parsed_json(p).isValid(), true, , repeat, volume, true);
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BEST_TIME("simdjson (dynamic mem) ", build_parsed_json(p).isValid(), true, ,
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repeat, volume, true);
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BEST_TIME("simdjson (static alloc) ", json_parse(p, pj), true, , repeat, volume, true);
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BEST_TIME("simdjson (static alloc) ", json_parse(p, pj), true, , repeat,
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volume, true);
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rapidjson::Document d;
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char *buffer = (char *)malloc(p.size() + 1);
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memcpy(buffer, p.data(), p.size());
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buffer[p.size()] = '\0';
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//
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// Todo: It is possible to preallocate a block of memory with RapidJSON using a MemoryAllocator.
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BEST_TIME("RapidJSON",
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BEST_TIME(
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"RapidJSON",
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d.Parse<kParseValidateEncodingFlag>((const char *)buffer).HasParseError(),
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false, memcpy(buffer, p.data(), p.size()), repeat, volume, true);
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BEST_TIME("RapidJSON (insitu)", d.ParseInsitu<kParseValidateEncodingFlag>(buffer).HasParseError(), false,
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memcpy(buffer, p.data(), p.size()), repeat, volume, true);
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BEST_TIME("RapidJSON (insitu)",
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d.ParseInsitu<kParseValidateEncodingFlag>(buffer).HasParseError(),
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false, memcpy(buffer, p.data(), p.size()), repeat, volume, true);
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typedef rapidjson::GenericDocument<UTF8<>, rapidjson::MemoryPoolAllocator<>,
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rapidjson::MemoryPoolAllocator<>>
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RapidDocumentType;
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size_t rapidvaallocsize = p.size() * 128; // allocate plenty of memory
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size_t rapidallocsize = p.size() * 4096; // allocate plenty of memory
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char *rapidvalueBuffer = (char *)malloc(rapidvaallocsize);
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char *rapidparseBuffer = (char *)malloc(rapidallocsize);
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if ((rapidvalueBuffer != NULL) && (rapidvalueBuffer != NULL)) {
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rapidjson::MemoryPoolAllocator<> valueAllocator(rapidvalueBuffer,
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rapidvaallocsize);
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rapidjson::MemoryPoolAllocator<> parseAllocator(rapidparseBuffer,
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rapidallocsize);
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RapidDocumentType preallocedd(&valueAllocator, rapidvaallocsize,
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&parseAllocator);
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BEST_TIME("sajson (dynamic mem, insitu)", sajson::parse(sajson::dynamic_allocation(), sajson::mutable_string_view(p.size(), buffer)).is_valid(), true, memcpy(buffer, p.data(), p.size()), repeat, volume, true);
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BEST_TIME(
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"RapidJSON (static alloc)",
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preallocedd.Parse<kParseValidateEncodingFlag>((const char *)buffer)
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.HasParseError(),
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false, memcpy(buffer, p.data(), p.size()), repeat, volume, true);
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BEST_TIME("RapidJSON (static alloc, insitu)",
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preallocedd.ParseInsitu<kParseValidateEncodingFlag>(buffer)
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.HasParseError(),
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false, memcpy(buffer, p.data(), p.size()), repeat, volume, true);
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assert(valueAllocator.Size() <= rapidvaallocsize);
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assert(parseAllocator.Size() <= rapidallocsize);
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}
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free(rapidvalueBuffer);
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free(rapidparseBuffer);
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BEST_TIME("sajson (dynamic mem, insitu)",
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sajson::parse(sajson::dynamic_allocation(),
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sajson::mutable_string_view(p.size(), buffer))
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.is_valid(),
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true, memcpy(buffer, p.data(), p.size()), repeat, volume, true);
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size_t astbuffersize = p.size();
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size_t *ast_buffer = (size_t *)malloc(astbuffersize * sizeof(size_t));
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BEST_TIME("sajson (static alloc, insitu)", sajson::parse(sajson::bounded_allocation(ast_buffer, astbuffersize), sajson::mutable_string_view(p.size(), buffer)).is_valid(), true, memcpy(buffer, p.data(), p.size()), repeat, volume, true);
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BEST_TIME("sajson (static alloc, insitu)",
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sajson::parse(sajson::bounded_allocation(ast_buffer, astbuffersize),
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sajson::mutable_string_view(p.size(), buffer))
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.is_valid(),
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true, memcpy(buffer, p.data(), p.size()), repeat, volume, true);
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std::string json11err;
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if(all) BEST_TIME("dropbox (json11) ", (( json11::Json::parse(buffer,json11err).is_null() ) || ( ! json11err.empty() )), false, memcpy(buffer, p.data(), p.size()), repeat, volume, true);
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if (all)
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BEST_TIME("dropbox (json11) ",
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((json11::Json::parse(buffer, json11err).is_null()) ||
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(!json11err.empty())),
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false, memcpy(buffer, p.data(), p.size()), repeat, volume, true);
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if(all) BEST_TIME("fastjson ", fastjson_parse(buffer), true, memcpy(buffer, p.data(), p.size()), repeat, volume, true);
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if (all)
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BEST_TIME("fastjson ", fastjson_parse(buffer), true,
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memcpy(buffer, p.data(), p.size()), repeat, volume, true);
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JsonValue value;
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JsonAllocator allocator;
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char *endptr;
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if(all) BEST_TIME("gason ", jsonParse(buffer, &endptr, &value, allocator), JSON_OK, memcpy(buffer, p.data(), p.size()), repeat, volume, true);
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if (all)
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BEST_TIME("gason ",
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jsonParse(buffer, &endptr, &value, allocator), JSON_OK,
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memcpy(buffer, p.data(), p.size()), repeat, volume, true);
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void *state;
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if(all) BEST_TIME("ultrajson ", (UJDecode(buffer, p.size(), NULL, &state) == NULL), false, memcpy(buffer, p.data(), p.size()), repeat, volume, true);
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BEST_TIME("memcpy ", (memcpy(buffer, p.data(), p.size()) == buffer), true, , repeat, volume, true);
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if (all)
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BEST_TIME("ultrajson ",
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(UJDecode(buffer, p.size(), NULL, &state) == NULL), false,
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memcpy(buffer, p.data(), p.size()), repeat, volume, true);
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BEST_TIME("memcpy ",
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(memcpy(buffer, p.data(), p.size()) == buffer), true, , repeat,
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volume, true);
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free((void *)p.data());
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free(ast_buffer);
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free(buffer);
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}
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