104 lines
2.2 KiB
C++
104 lines
2.2 KiB
C++
#include <bx/bx.h>
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#include <bx/timer.h>
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#include <bx/handlealloc.h>
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#include <bx/maputil.h>
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#include <tinystl/allocator.h>
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#include <tinystl/unordered_map.h>
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#include <unordered_map>
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#include <stdio.h>
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#include <assert.h>
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int main()
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{
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const uint32_t numElements = 4<<10;
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const uint32_t numIterations = 16;
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//
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{
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int64_t elapsed = -bx::getHPCounter();
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for (uint32_t ii = 0; ii < numIterations; ++ii)
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{
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typedef tinystl::unordered_map<uint64_t, uint16_t> TinyStlUnorderedMap;
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TinyStlUnorderedMap map;
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// map.reserve(numElements);
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for (uint32_t jj = 0; jj < numElements; ++jj)
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{
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tinystl::pair<TinyStlUnorderedMap::iterator, bool> ok = map.insert(tinystl::make_pair(uint64_t(jj), uint16_t(jj) ) );
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assert(ok.second);
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}
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for (uint32_t jj = 0; jj < numElements; ++jj)
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{
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bool ok = bx::mapRemove(map, uint64_t(jj) );
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assert(ok);
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}
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assert(map.size() == 0);
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}
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elapsed += bx::getHPCounter();
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printf(" TinyStl: %15f\n", double(elapsed) );
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}
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///
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{
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int64_t elapsed = -bx::getHPCounter();
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for (uint32_t ii = 0; ii < numIterations; ++ii)
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{
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typedef std::unordered_map<uint64_t, uint16_t> StdUnorderedMap;
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StdUnorderedMap map;
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map.reserve(numElements);
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for (uint32_t jj = 0; jj < numElements; ++jj)
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{
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std::pair<StdUnorderedMap::iterator, bool> ok = map.insert(std::make_pair(uint64_t(jj), uint16_t(jj) ) );
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assert(ok.second);
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}
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for (uint32_t jj = 0; jj < numElements; ++jj)
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{
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bool ok = bx::mapRemove(map, uint64_t(jj) );
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assert(ok);
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}
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assert(map.size() == 0);
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}
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elapsed += bx::getHPCounter();
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printf(" STL: %15f\n", double(elapsed) );
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}
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///
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{
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int64_t elapsed = -bx::getHPCounter();
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for (uint32_t ii = 0; ii < numIterations; ++ii)
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{
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typedef bx::HandleHashMapT<numElements+numElements/2, uint64_t> HandleHashMap;
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HandleHashMap map;
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for (uint32_t jj = 0; jj < numElements; ++jj)
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{
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bool ok = map.insert(jj, uint16_t(jj) );
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assert(ok);
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}
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for (uint32_t jj = 0; jj < numElements; ++jj)
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{
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bool ok = map.removeByKey(uint64_t(jj) );
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assert(ok);
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}
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assert(map.getNumElements() == 0);
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}
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elapsed += bx::getHPCounter();
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printf("HandleHashMap: %15f\n", double(elapsed) );
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}
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return EXIT_SUCCESS;
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}
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