diff options
Diffstat (limited to 'searchlib/src/apps/docstore/benchmarkdatastore.cpp')
-rw-r--r-- | searchlib/src/apps/docstore/benchmarkdatastore.cpp | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/searchlib/src/apps/docstore/benchmarkdatastore.cpp b/searchlib/src/apps/docstore/benchmarkdatastore.cpp index 620a139d451..4f8a4ad7345 100644 --- a/searchlib/src/apps/docstore/benchmarkdatastore.cpp +++ b/searchlib/src/apps/docstore/benchmarkdatastore.cpp @@ -9,6 +9,7 @@ #include <vespa/vespalib/data/databuffer.h> #include <vespa/fastos/app.h> #include <unistd.h> +#include <random> #include <vespa/log/log.h> LOG_SETUP("documentstore.benchmark"); @@ -65,17 +66,13 @@ BenchmarkDataStoreApp::Main() void BenchmarkDataStoreApp::read(size_t numReads, size_t perChunk, const IDataStore * dataStore) { vespalib::DataBuffer buf; - struct random_data rstate; - char state[8]; - memset(state, 0, sizeof(state)); - memset(&rstate, 0, sizeof(rstate)); + std::minstd_rand rng; const size_t docIdLimit(dataStore->getDocIdLimit()); assert(docIdLimit > 0); - initstate_r(getpid(), state, sizeof(state), &rstate); - assert(srandom_r(getpid(), &rstate) == 0); + rng.seed(getpid()); int32_t rnd(0); for ( size_t i(0); i < numReads; i++) { - random_r(&rstate, &rnd); + rnd = rng(); uint32_t lid(rnd%docIdLimit); for (uint32_t j(lid); j < std::min(docIdLimit, lid+perChunk); j++) { dataStore->read(j, buf); |