counter.cc (2016B)
1 // Copyright 2015 Google Inc. All rights reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #include "counter.h" 16 17 namespace benchmark { 18 namespace internal { 19 20 double Finish(Counter const& c, int64_t iterations, double cpu_time, 21 double num_threads) { 22 double v = c.value; 23 if (c.flags & Counter::kIsRate) { 24 v /= cpu_time; 25 } 26 if (c.flags & Counter::kAvgThreads) { 27 v /= num_threads; 28 } 29 if (c.flags & Counter::kIsIterationInvariant) { 30 v *= iterations; 31 } 32 if (c.flags & Counter::kAvgIterations) { 33 v /= iterations; 34 } 35 return v; 36 } 37 38 void Finish(UserCounters* l, int64_t iterations, double cpu_time, double num_threads) { 39 for (auto& c : *l) { 40 c.second.value = Finish(c.second, iterations, cpu_time, num_threads); 41 } 42 } 43 44 void Increment(UserCounters* l, UserCounters const& r) { 45 // add counters present in both or just in *l 46 for (auto& c : *l) { 47 auto it = r.find(c.first); 48 if (it != r.end()) { 49 c.second.value = c.second + it->second; 50 } 51 } 52 // add counters present in r, but not in *l 53 for (auto const& tc : r) { 54 auto it = l->find(tc.first); 55 if (it == l->end()) { 56 (*l)[tc.first] = tc.second; 57 } 58 } 59 } 60 61 bool SameNames(UserCounters const& l, UserCounters const& r) { 62 if (&l == &r) return true; 63 if (l.size() != r.size()) { 64 return false; 65 } 66 for (auto const& c : l) { 67 if (r.find(c.first) == r.end()) { 68 return false; 69 } 70 } 71 return true; 72 } 73 74 } // end namespace internal 75 } // end namespace benchmark