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< > BotCompany Repo | #1034267 // bench_reflectiveCallWithInternedMethodName

JavaX fragment (include) [tags: use-pretranspiled]

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scope bench_reflectiveCallWithInternedMethodName.
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static long #what;
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svoid bench_reflectiveCallWithInternedMethodName() {
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  what = 0;
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  class MyObj {
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    void veryLongMethodNameToIllustrateThePoint() { ++what; }
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  }
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  S methodName = "veryLongMethodNameToIllustrateThePoint";
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  _MethodCache cache = callOpt_getCache(MyObj.class);
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  S nameInCache = firstThat(keys(cache.cache), name -> eq(name, methodName));
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  print(nameInCache == methodName
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    ? "Name in cache is interned! (GOOD)"
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    : "Name in cache is NOT interned!! (so this is all pointless)");
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  embedded void benchCall(O o, S method) {
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    benchFor10(-> call(o, method));
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  }
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  print("string literal");
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  benchCall(new MyObj, methodName);
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  print(what);
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  print("constructed string");
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  S methodName2 = firstToLower("VeryLongMethodNameToIllustrateThePoint");
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  if (methodName2 != methodName && eq(methodName2, methodName)) print("  (yes they're different - but equal)");
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  else fail("what!?");
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  benchCall(new MyObj, methodName2);
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  print(what);
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  print("interned constructed string");
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  S methodName3 = methodName2.intern();
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  if (methodName3 == methodName) print("  (yes it's the same as the literal)");
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  else warn("This is not good - interned is not same as literal");
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  benchCall(new MyObj, methodName3);
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  print(what);
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}

Author comment

Began life as a copy of #1034262

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Travelled to 4 computer(s): bhatertpkbcr, ekrmjmnbrukm, mowyntqkapby, mqqgnosmbjvj

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Snippet ID: #1034267
Snippet name: bench_reflectiveCallWithInternedMethodName
Eternal ID of this version: #1034267/8
Text MD5: 2b400a7f19c5c5a0a2d7c5155d99e181
Transpilation MD5: 9e956828f2d7837bc08eaae0325e4f18
Author: stefan
Category: javax / performance
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2022-01-29 15:29:10
Source code size: 1354 bytes / 43 lines
Pitched / IR pitched: No / No
Views / Downloads: 75 / 145
Version history: 7 change(s)
Referenced in: [show references]