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[Strings] Split String Optimizations (#1325)

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* Switch the 2 split calls to SplitString

* Nuke duplicate split in favor of SplitString #1263

* Add a test for SplitString

* Optimize SplitString

Benchmarking:
--------------------------------------------------------------
Benchmark                       Time           CPU Iterations
--------------------------------------------------------------
bench_oldsplit               5201 ns       5201 ns     129500
bench_split                  1269 ns       1269 ns     548906

This is splitting a VERY long SpecialAbilities string. This is ~75%
speed up.
This commit is contained in:
Michael Cook (mackal)
2021-04-23 00:36:39 -04:00
committed by GitHub
parent 00fb9bc9f9
commit dba3010c89
5 changed files with 24 additions and 24 deletions
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tests/string_util_test.h
+10
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@@ -30,6 +30,7 @@ public:
TEST_ADD(StringUtilTest::EscapeStringTest);
TEST_ADD(StringUtilTest::EscapeStringMemoryTest);
TEST_ADD(StringUtilTest::SearchDeliminatedStringTest);
TEST_ADD(StringUtilTest::SplitStringTest);
}
~StringUtilTest() {
@@ -108,6 +109,15 @@ public:
TEST_ASSERT(search_deliminated_string(h, "bef") == std::string::npos);
TEST_ASSERT(search_deliminated_string(h, "wwi") == std::string::npos);
}
void SplitStringTest() {
std::string s = "123,456,789,";
auto v = SplitString(s, ',');
TEST_ASSERT(v.size() == 3);
TEST_ASSERT(v[0] == "123");
TEST_ASSERT(v[1] == "456");
TEST_ASSERT(v[2] == "789");
}
};
#endif