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Code Issues Wiki Activity

Avoid unneccessary object creation.

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This commit is contained in:
Sergey Prigogin 2009-10-31 22:58:24 +00:00
parent 388ee55b6e
commit b5f2e60698
1 changed files with 12 additions and 12 deletions
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24
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/util/Profiler.java
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@ -76,11 +76,11 @@ public class Profiler {
} }
private Map<String, Timer> timers; private Map<String, Timer> timers;
private Map<String, Integer> counters; private Map<String, int[]> counters;
private Profiler() { private Profiler() {
timers = new HashMap<String, Timer>(); timers = new HashMap<String, Timer>();
counters = new HashMap<String, Integer>(); counters = new HashMap<String, int[]>();
} }
private static ThreadLocal<Profiler> threadProfiler = new ThreadLocal<Profiler>(); private static ThreadLocal<Profiler> threadProfiler = new ThreadLocal<Profiler>();
@ -112,11 +112,11 @@ public class Profiler {
public static void incrementCounter(String name) { public static void incrementCounter(String name) {
Profiler profiler = threadProfiler.get(); Profiler profiler = threadProfiler.get();
if (profiler != null) { if (profiler != null) {
Integer n = profiler.counters.get(name); int[] n = profiler.counters.get(name);
if (n == null) { if (n == null) {
n = 1; n = new int[] { 1 };
} else { } else {
n = n.intValue() + 1; n[0]++;
} }
profiler.counters.put(name, n); profiler.counters.put(name, n);
} }
@ -149,18 +149,18 @@ public class Profiler {
} }
if (!profiler.counters.isEmpty()) { if (!profiler.counters.isEmpty()) {
List<Map.Entry<String, Integer>> keyList = List<Map.Entry<String, int[]>> keyList =
new ArrayList<Map.Entry<String, Integer>>(profiler.counters.entrySet()); new ArrayList<Map.Entry<String, int[]>>(profiler.counters.entrySet());
Comparator<Map.Entry<String, Integer>> c2 = new Comparator<Map.Entry<String, Integer>>() { Comparator<Map.Entry<String, int[]>> c2 = new Comparator<Map.Entry<String, int[]>>() {
public int compare(Entry<String, Integer> o1, Entry<String, Integer> o2) { public int compare(Entry<String, int[]> o1, Entry<String, int[]> o2) {
return o2.getValue().intValue() - o1.getValue().intValue(); return o2.getValue()[0] - o1.getValue()[0];
} }
}; };
Collections.sort(keyList, c2); Collections.sort(keyList, c2);
System.out.println("==="); //$NON-NLS-1$ System.out.println("==="); //$NON-NLS-1$
System.out.println("===\t" + profiler.counters.size() + " counters"); //$NON-NLS-1$ //$NON-NLS-2$ System.out.println("===\t" + profiler.counters.size() + " counters"); //$NON-NLS-1$ //$NON-NLS-2$
for (Entry<String, Integer> item : keyList) { for (Entry<String, int[]> item : keyList) {
System.out.println("===\t" + item.getValue().intValue() + "\t" + item.getKey()); //$NON-NLS-1$ //$NON-NLS-2$ System.out.println("===\t" + item.getValue()[0] + "\t" + item.getKey()); //$NON-NLS-1$ //$NON-NLS-2$
} }
} }
} }