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comparison test/org/tmatesoft/hg/test/MapTagsToFileRevisions.java @ 268:c5980f287cc4

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Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 23 Aug 2011 22:30:56 +0200
parents 31f67be94e71
children 6dbbc53fc46d
comparison
equal deleted inserted replaced
267:ec921ef0628e 268:c5980f287cc4
64 System.out.printf("Total time: %d ms\n", System.currentTimeMillis() - start); 64 System.out.printf("Total time: %d ms\n", System.currentTimeMillis() - start);
65 System.out.printf("Free mem: %,d\n", Runtime.getRuntime().freeMemory()); 65 System.out.printf("Free mem: %,d\n", Runtime.getRuntime().freeMemory());
66 } 66 }
67 67
68 private void manifestWalk() throws Exception { 68 private void manifestWalk() throws Exception {
69 System.out.println(System.getProperty("java.version"));
69 final long start = System.currentTimeMillis(); 70 final long start = System.currentTimeMillis();
70 final HgRepository repository = new HgLookup().detect(new File("/temp/hg/cpython")); 71 final HgRepository repository = new HgLookup().detect(new File("/temp/hg/cpython"));
71 repository.getManifest().walk(0, 10000, new HgManifest.Inspector() { 72 repository.getManifest().walk(0, 10000, new HgManifest.Inspector() {
72 73
73 public boolean begin(int mainfestRevision, Nodeid nid, int changelogRevision) { 74 public boolean begin(int mainfestRevision, Nodeid nid, int changelogRevision) {
85 // cpython: 1,1 sec for 0..1000, 43 sec for 0..10000, 115 sec for 0..20000 (Pool with HashMap) 86 // cpython: 1,1 sec for 0..1000, 43 sec for 0..10000, 115 sec for 0..20000 (Pool with HashMap)
86 // 2,4 sec for 1000..2000 87 // 2,4 sec for 1000..2000
87 // cpython -r 1000: 484 files, -r 2000: 1015 files. Iteration 1000..2000; fnamePool.size:1019 nodeidPool.size:2989 88 // cpython -r 1000: 484 files, -r 2000: 1015 files. Iteration 1000..2000; fnamePool.size:1019 nodeidPool.size:2989
88 // nodeidPool for two subsequent revisions only: 840. 37 sec for 0..10000. 99 sec for 0..20k 89 // nodeidPool for two subsequent revisions only: 840. 37 sec for 0..10000. 99 sec for 0..20k
89 // 0..10000 fnamePool: hits:15989152, misses:3020 90 // 0..10000 fnamePool: hits:15989152, misses:3020
91 //
92 // With Pool<StringProxy> for fname and flags, Nodeid's ascii2bin through local array, overall byte[] iteration,
93 // 0..10k is 34 seconds now
90 System.out.printf("Total time: %d ms\n", System.currentTimeMillis() - start); 94 System.out.printf("Total time: %d ms\n", System.currentTimeMillis() - start);
91 System.out.printf("Free mem: %,d\n", Runtime.getRuntime().freeMemory()); 95 System.out.printf("Free mem: %,d\n", Runtime.getRuntime().freeMemory());
92 } 96 }
93 97
94 private void collectTagsPerFile() throws HgException, CancelledException { 98 private void collectTagsPerFile() throws HgException, CancelledException {