Commit graph

729 commits

Author SHA1 Message Date
Keisuke Kuroyanagi
e5cfb77694 Introduce ExclusiveOwnershipPointer.
Bug: 11073222
Change-Id: I841527f0247f2ade07796406729b3a4a8958aa57
2013-10-24 17:28:30 -07:00
Keisuke Kuroyanagi
4fd413b7e4 Merge "Tracking minor errors to categorize exact match." 2013-10-21 12:32:03 +00:00
Keisuke Kuroyanagi
eb5049b28d Tracking minor errors to categorize exact match.
Bug: 8844931

Change-Id: I012529f5fc0d094ef64a41c075fe548b6b439265
2013-10-21 21:01:59 +09:00
Keisuke Kuroyanagi
0913aaa56f Merge "Add utility methods related to buffers for ver4 dict." 2013-10-21 11:03:08 +00:00
Keisuke Kuroyanagi
72877b15ea Add utility methods related to buffers for ver4 dict.
Bug: 11073222
Change-Id: Ieca15ffa09fd36c6602f6d2afab5779800c5a422
2013-10-21 19:56:50 +09:00
Keisuke Kuroyanagi
53686e0f5f Fix: Suggested words from user history are invalid.
- Suggestions form user history can contain invalid words.
- isValidWord always returns false.

Bug: 11139426
Change-Id: I6075b275603332ddb00f4a9284afcaa82d824270
2013-10-18 19:53:57 +09:00
Keisuke Kuroyanagi
2628268ef4 Add ver4 dictionary structure policy file.
Bug: 11073222
Change-Id: Ia9e1a4842d42a581812a8c3dd4a85e7ee86dd529
2013-10-16 18:46:32 +09:00
Keisuke Kuroyanagi
427d69e218 Moving files for dictionary structure policies.
Bug: 11073222
Change-Id: Ic40f6258e2b0c2790d526aff31312c112760839d
2013-10-16 18:46:32 +09:00
Keisuke Kuroyanagi
c1fce1a720 Make "node"s clear by renaming to PtNode or DicNode.
Bug: 10233675
Change-Id: I248b927c724253f593e3806e82b4e1fed2c025fb
2013-10-16 18:46:28 +09:00
Keisuke Kuroyanagi
e1bd7d5d39 Initial step to support version 4 format in native code.
Bug: 11073222
Change-Id: I633229381b28cef23edef2b37e5b0bf6e15af468
2013-10-09 12:54:33 +09:00
Keisuke Kuroyanagi
6d91e4ce74 Fix offdevice test build.
Change-Id: I42143bdc4f6f5aa4f55530de84819ab722a22f72
2013-10-08 16:05:42 +09:00
Keisuke Kuroyanagi
6d3d53955e Merge "Fix a bug: wrong parent position is written when moving." 2013-10-08 04:48:53 +00:00
Keisuke Kuroyanagi
802e6383ea Fix a bug: wrong parent position is written when moving.
Change-Id: I93d33ba9105eb85327108cca5706d8db3399de6a
2013-10-08 12:44:00 +09:00
Jean Chalard
86f7711407 Merge "Don't auto-correct to non-whitelist shortcuts" 2013-10-07 10:04:18 +00:00
Jean Chalard
f309f2288b Don't auto-correct to non-whitelist shortcuts
Bug: 11076722
Change-Id: I0de10ab24d33ec31f45664fe92d80d5a7bec9c20
2013-10-07 19:01:57 +09:00
Keisuke Kuroyanagi
cfb018ba6d Fix bug and Add large test for decaying dictionary.
- GC gets failure when the dictionary become empty.
- Useless unigrams are sometimes not removed.

Bug: 10197478
Change-Id: I8d1479c01efba61a81f03bc077da6bcb4797a940
2013-10-07 17:31:01 +09:00
Keisuke Kuroyanagi
15b1a0fd14 Parameter optimization.
[Category diff]
+1     194
-1      21
+2      15
-2       1
+3       1
-3      15
+4     152
-4      90
+5     108
-5     197
+6      94
-6     136
+7      28
-7     132

[Weighted category diff]
+1     230
-1      23
+2      15
-2       1
+3       1
-3      15
+4     180
-4     106
+5     122
-5     224
+6     107
-6     158
+7      29
-7     157

show diff for ./en_user_log_phones_2011_08.csv
+1     171
-1       9
+2       7
-2       1
+3       1
-3       7
+4     123
-4      76
+5      84
-5     157
+6      66
-6     119
+7      20
-7     103

Before
---- count ----
Count(1):75.64%, 177913
Count(2):1.06%, 2510
Count(3):0.56%, 1319
Count(4):6.63%, 15612
Count(5):9.87%, 23223
Count(6):2.79%, 6580
Count(7):3.41%, 8038
---- weight ----
Weight(1):96.88%, 2009907
Weight(2):0.24%, 5157
Weight(3):0.09%, 2025
Weight(4):0.77%, 16095
Weight(5):1.11%, 23077
Weight(6):0.39%, 8172
Weight(7):0.48%, 10146
---- score ----
Conservative score = 66.406
Normal score = 81.512
Agressive score = 89.064
Insane score = 92.841

After
---- count ----
Count(1):75.71%, 178087
Count(2):1.07%, 2524
Count(3):0.55%, 1305
Count(4):6.66%, 15677
Count(5):9.83%, 23133
Count(6):2.78%, 6539
Count(7):3.37%, 7930
---- weight ----
Weight(1):96.89%, 2010118
Weight(2):0.24%, 5171
Weight(3):0.09%, 2011
Weight(4):0.78%, 16184
Weight(5):1.1%, 22972
Weight(6):0.39%, 8109
Weight(7):0.48%, 10014
---- score ----
Conservative score = 66.431
Normal score = 81.531
Agressive score = 89.08
Insane score = 92.855

No diffs for 10+ freq user log.

Change-Id: Ica4a7604507a2c91aaa7daf5bacf4fce4039f547
2013-10-07 12:39:51 +09:00
Keisuke Kuroyanagi
3e5f4b53b0 Merge "Check the elapsed time for decaying." 2013-10-04 07:16:17 +00:00
Keisuke Kuroyanagi
67c855ea6f Check the elapsed time for decaying.
Bug: 6669677
Change-Id: I0401a4c0908c702ce65abfa5e017dd16cb1296f9
2013-10-04 16:11:11 +09:00
Xiaojun Bi
0b62621446 Merge "Optimize the parameters for the typing algorithm" 2013-10-04 03:25:43 +00:00
Xiaojun Bi
2ed09c214a Optimize the parameters for the typing algorithm
The new set of parameters are optimized for both
keystroke savings and regression test scores.

This change is corresponding to the patch 6 of
Change-Id: Ib8439a85de26cbbba58837344717f0acbfcf0ab0
in the regression test repository.

Here is the link to the doc analyzing the
“nnow → know” case:
https://docs.google.com/a/google.com/document/d/1XIHfAHLlP1f3F8R-u7yxPGWcP58tokygzN_lQKXFFgM/edit

Here is the link to the spreadsheet showing
the diff of the words with frequencies >= 10
in en_user_log_phones_2011_08.csv.
https://docs.google.com/a/google.com/spreadsheet/ccc?key=0Am_RQlV4zC6SdFFVTlhJT0RLUENCWWZOZ3JQTUpMQ2c&usp=drive_web#gid=0

Updated TRT Results for this change:
[Category diff]
+1     783
-1     717
+2      20
-2      34
+3      34
-3      20
+4     575
-4     777
+5     765
-5     755
+6     785
-6     666
+7     479
-7     472

[Weighted category diff]
+1     999
-1     965
+2      21
-2      35
+3      35
-3      21
+4     804
-4     980
+5     970
-5     971
+6     954
-6     831
+7     645
-7     625

Bug: 10613502

Change-Id: I5cd447673a196ad5af641a2118602bec879bdefb
2013-10-03 19:30:26 -07:00
Keisuke Kuroyanagi
864ee881bd Merge "Fix UserHistoryDictionaryTests." 2013-10-03 12:02:34 +00:00
Keisuke Kuroyanagi
11f7cae094 Fix UserHistoryDictionaryTests.
Bug: 6669677
Bug: 10667710

Change-Id: I6cdc6a6c9cacc7f276fda3a26ec31e3eb928471c
2013-10-03 20:55:34 +09:00
Keisuke Kuroyanagi
9cb1e78a44 Fix: Native crash when an empty attribute is written.
Bug: 10964805
Change-Id: Ia3cd891d20aee2226092f0f646d8f280901786fc
2013-10-03 17:30:54 +09:00
Keisuke Kuroyanagi
3d92954120 Fix build.
Change-Id: Ib33b27214e67378646e44f5b45bda298f960524f
2013-10-02 23:02:42 +09:00
Keisuke Kuroyanagi
7c4dcf1e91 Use probability table for decaying dictionaries.
Bug: 6669677
Change-Id: Ib5994a2e343dfcdaf23755e523f52846709b1c6c
2013-10-02 18:01:47 +09:00
Keisuke Kuroyanagi
c76bbceedc Stochastic decay.
Bug: 6669677
Change-Id: Ib2d9228b951c77dab7a8675ce9db60677e87e771
2013-10-02 17:51:12 +09:00
Keisuke Kuroyanagi
13d5dc914a Change name of DecayingUtils.
Bug: 6669677
Change-Id: I97839b2184b95ae1659c55a9b31d22e2d601cba1
2013-10-02 16:23:44 +09:00
Jean Chalard
74577bedb3 Merge "Implement the heuristic for auto-commit." 2013-10-01 12:10:57 +00:00
Jean Chalard
ff9476f10a Merge "Fix typos" 2013-10-01 12:10:37 +00:00
Jean Chalard
3e954347e3 Fix typos
I think I may pass out from the sheer ugliness

Change-Id: I1e709f03ef47ec713552d41fd9e37e01b810ae88
2013-10-01 21:08:14 +09:00
Jean Chalard
459cd6f8ef Implement the heuristic for auto-commit.
Bug: 9059617
Change-Id: I066abf018df5aaeabf415425dd822ebe233e6008
2013-10-01 21:00:40 +09:00
Keisuke Kuroyanagi
6995310996 Separate "GC" and "GC with decay".
Bug: 6669677
Change-Id: I9d6aba76cef2616f0549e612db9701e1d6a19467
2013-10-01 18:09:31 +09:00
Jean Chalard
bb57090f1d Create the wiring for auto-commit confidence computation.
Bug: 9059617
Change-Id: I7e4e05ffa8c68cfebbe362a977fd176555cad12a
2013-10-01 15:04:15 +09:00
Jean Chalard
bf1beefd08 Merge "Surface the distance after first word for autocommit." 2013-09-30 14:06:02 +00:00
Jean Chalard
da06e385f5 Surface the distance after first word for autocommit.
Bug: 9059617
Change-Id: Ie9b4cc8148ae8e0ff437b3337ab6c1bde95500f5
2013-09-30 23:02:04 +09:00
Keisuke Kuroyanagi
fd02b2d6ee Implement simple dictionary decay.
Groundwork and implement simple decay.
Increment probability when typed and decrement probability
at GC.

Bug: 6669677

Change-Id: Ib12caead0cbeef4ce7808fe8ac0b00ee331523fe
2013-09-30 20:53:35 +09:00
Keisuke Kuroyanagi
c18510049a Prepare dictionary decay.
Bug: 6669677
Change-Id: I8fbae190dd44a6bdbee7e9b6d3a16208322727f7
2013-09-30 13:57:54 +09:00
Keisuke Kuroyanagi
1cf4789ba6 Merge "Set header attributes for ExpandableBinaryDictionary." 2013-09-29 05:14:22 +00:00
Keisuke Kuroyanagi
5ed30a7660 Set header attributes for ExpandableBinaryDictionary.
Bug: 6669677

Change-Id: I2462777eaa07600f1c774226adfc4f351882f523
2013-09-28 12:50:09 +09:00
Keisuke Kuroyanagi
68bc4ba5c2 Merge "Add boundary checking for PtNode Array reading." 2013-09-27 14:25:24 +00:00
Keisuke Kuroyanagi
8b580819a5 Merge "Add unigram/bigram counting." 2013-09-27 14:14:49 +00:00
Keisuke Kuroyanagi
31097a57cc Add unigram/bigram counting.
Bug: 6669677
Change-Id: I05ea2201d822dddf062b08c8467daa336760e16c
2013-09-27 23:12:12 +09:00
Keisuke Kuroyanagi
67cb282b64 Add boundary checking for PtNode Array reading.
Bug: 6669677
Change-Id: Iea5e19d98d2fc26f137046dd5f8e339239672351
2013-09-27 22:28:54 +09:00
Keisuke Kuroyanagi
85463c7f40 Merge "Use base lower character to get point to key length." 2013-09-26 08:28:41 +00:00
Keisuke Kuroyanagi
e639d7346c Use base lower character to get point to key length.
Bug: 9490364
Change-Id: I3755f00ab22f926f087fc917b95a2db7d722fa00
2013-09-26 16:36:05 +09:00
Keisuke Kuroyanagi
5ef6209656 Create empty dictionary file in native code.
Bug: 6669677
Change-Id: I46d23deee1fd091678f4593561cb8687eb815212
2013-09-26 12:59:02 +09:00
Keisuke Kuroyanagi
10b56df486 Merge "Prepare dictionary file creating in native code." 2013-09-26 02:38:19 +00:00
Keisuke Kuroyanagi
c6015327fb Merge "Add empty PtNode checking for PatriciaTriePolicy." 2013-09-26 02:32:03 +00:00
Keisuke Kuroyanagi
9155eec0d9 Add empty PtNode checking for PatriciaTriePolicy.
Bug: 9503570
Change-Id: I784d29c307c1040699fa0aadfc6a47d97f03ffe4
2013-09-26 11:19:04 +09:00
Keisuke Kuroyanagi
36f4592128 Merge "Refactoring header attribute reading." 2013-09-26 01:57:22 +00:00
Keisuke Kuroyanagi
1592eb8a3a Prepare dictionary file creating in native code.
Bug: 6669677
Change-Id: I7c476a6e99ec7ac883f05d84ef306265255154da
2013-09-26 10:48:43 +09:00
Keisuke Kuroyanagi
989596844e Refactoring header attribute reading.
Bug: 6669677
Change-Id: Ifc11da614d5c331ac61019a324e3a0ff187329cd
2013-09-26 10:45:03 +09:00
Keisuke Kuroyanagi
009dcac33f Boundary check for children creating of PatriciaTriePolicy.
Bug: 10537529
Change-Id: I0cd8b6de230795498395ca08789ccc1c74780f2c
2013-09-25 19:54:31 +09:00
Keisuke Kuroyanagi
3d2802ef2e Allow large memory space for GC.
Bug: 6669677
Change-Id: I021c92a1ca5cd28f745cbfe729c99e346c58074d
2013-09-24 19:21:17 +09:00
Keisuke Kuroyanagi
f3cd38f2c7 GC step 5. Add large tests and fix bugs.
Bug: 6669677
Change-Id: I41e44a64730f9c66645995095a7ecff51ffd5351
2013-09-24 16:32:25 +09:00
Keisuke Kuroyanagi
2cfe7f9e3b GC step 4. Update all positions in new dict and add a test.
Bug: 6669677
Change-Id: I035d848a210653dcd3c1a1f21781968adced9225
2013-09-24 15:29:56 +09:00
Keisuke Kuroyanagi
0355bf2d4c GC step 3. Place and write valid PtNodes.
Bug: 6669677

Change-Id: Id2b7359bafb34acf12dc3bf4c595a03073fda805
2013-09-20 21:11:49 +09:00
Keisuke Kuroyanagi
77ef75cbe6 GC step 2. Finding garbage bigram entries.
Bug: 6669677
Change-Id: Ie3f406776ab56bf589ac10e15e2534ff8cb1f275
2013-09-20 20:04:57 +09:00
Keisuke Kuroyanagi
2a64726a16 Step 1 to implement GC. Finding garbage PtNodes.
Bug: 6669677
Change-Id: I3551fe2f16a09d2bf7761f4e1d73ebd4a03380e7
2013-09-20 15:37:14 +09:00
Keisuke Kuroyanagi
b7e8a9abf5 Groundwork for implementing GC.
Bug: 6669677

Change-Id: Ia2b2f338795ab62cc9eef73731285b2a5a0ac5e4
2013-09-19 14:48:59 +09:00
Keisuke Kuroyanagi
e28927dfb6 Change name of header_reading_utlis.*
Bug: 6669677
Change-Id: I91389050148237580ef640d3a58b935ea752954e
2013-09-18 18:27:01 +09:00
Keisuke Kuroyanagi
484fa7b59c Add dictionary header writing methods.
Bug: 6669677
Change-Id: I392ac4776b55779903cbaa17e683005d80017a41
2013-09-18 18:08:33 +09:00
Keisuke Kuroyanagi
72e53a1e38 Merge "Implement dictionary flush." 2013-09-18 05:20:05 +00:00
Keisuke Kuroyanagi
1560543754 Implement dictionary flush.
Bug: 6669677
Change-Id: I1d70ac6319fb6d8700074de382568c2108887960
2013-09-18 13:19:14 +09:00
Keisuke Kuroyanagi
9465819cf6 Merge "Add BinaryDictionary.getBigramProbabilityNative()." 2013-09-18 04:10:38 +00:00
Keisuke Kuroyanagi
4d02a2d44d Add BinaryDictionary.getBigramProbabilityNative().
Bug: 10197478
Change-Id: Id16e3ee22a17679c46cc7a0199a9e28065177aa3
2013-09-18 11:18:28 +09:00
Keisuke Kuroyanagi
4e17b42d0f Output input index of second word's first char.
This is for partial commit.

Bug: 9059617

Change-Id: I77a0245b63c29b7234fd9b06d362e05aebf30051
2013-09-17 20:31:34 +09:00
Keisuke Kuroyanagi
ac7e005ef0 Merge "Prepare dictionary saving in native code." 2013-09-17 09:18:32 +00:00
Keisuke Kuroyanagi
d0246277fd Prepare dictionary saving in native code.
Bug: 6669677

Change-Id: I0787f66409e2b183c6328fa05805945520e1e93a
2013-09-17 18:07:16 +09:00
Keisuke Kuroyanagi
d9f450ef00 Implement removeBigramWords() for DynamicPatriciaTrie.
Bug: 6669677
Change-Id: I99cb517511b4c968b8bf937baab5d7f42b0f534e
2013-09-17 18:05:32 +09:00
Keisuke Kuroyanagi
78b55a31cb Fix handling multi-bytes characters and add a test.
Bug: 6669677

Change-Id: Id2154db47adea2929559a4187a726f9dfa83363e
2013-09-17 15:11:24 +09:00
Keisuke Kuroyanagi
6d1a29eaab Fix build.
Change-Id: I1c3c2996ca11bfe8864df774e9280893cf17c0d4
2013-09-17 13:03:12 +09:00
Keisuke Kuroyanagi
cd6a0430c7 Implement addBigramWords() for DynamicPatriciaTrie.
Bug: 6669677
Change-Id: Ia6aa76c212165690191c65fee9dacdc44be5acd5
2013-09-17 12:52:21 +09:00
Keisuke Kuroyanagi
cb816e5e16 Merge NOT_A_VALID_WORD_POS into NOT_A_DICT_POS.
Change-Id: I2ac3aa2a19d14e8c4159a59334e7816bd1409688
2013-09-16 18:37:23 +09:00
Keisuke Kuroyanagi
9ea9c61c99 Move methods using ByteArrayUtils from .h to .cpp.
Bug: 10402083
Change-Id: Ic5f1aa11eb403f5bdc83de8e38a6457200519cae
2013-09-16 18:37:08 +09:00
Keisuke Kuroyanagi
f874728496 Add boundary check for PtNode reading position.
Bug: 10743878
Change-Id: I6727b12b0ef98bb9cfb3ca95aeab2c79749f47a2
2013-09-16 18:34:34 +09:00
Jean Chalard
41aaff6cdf Merge "[AC4] Add native methods necessary for auto-commit" 2013-09-13 11:41:55 +00:00
Jean Chalard
24aad5a4d5 [AC4] Add native methods necessary for auto-commit
Bug: 9059617
Change-Id: I7a47b0675446fc4f39628c60d16de9aea90d1b4d
2013-09-13 20:15:15 +09:00
Keisuke Kuroyanagi
04bf3cd4e0 Merge "Employ "bigram link" for handling moved bigram target." 2013-09-13 09:46:27 +00:00
Keisuke Kuroyanagi
8c69ddb53e Employ "bigram link" for handling moved bigram target.
Bug: 6669677

Change-Id: I9a6c0cdb28265e3215ced88f38344df12c25a76d
2013-09-13 18:36:29 +09:00
Keisuke Kuroyanagi
ebe3b3e8fd Merge "Fix bug related to dynamic patricia trie bigram adding." 2013-09-13 05:49:26 +00:00
Keisuke Kuroyanagi
0243c9ae3d Update children's parent position when the node get moved.
Bug: 6669677
Change-Id: Ifcaf784afd218c7afd70167045cd2aed8b7909c2
2013-09-13 14:26:00 +09:00
Keisuke Kuroyanagi
1c0fc852f6 Fix bug related to dynamic patricia trie bigram adding.
Bug: 6669677

Change-Id: Ia1216a1860a7c5c12a0d8a0816dda8d6a3bea123
2013-09-13 11:38:53 +09:00
Keisuke Kuroyanagi
4c2767857a Change cache capacity depending on the dictionary size.
Bug: 10699291

Change-Id: I7042d4c1307da2d991d4dd10d637f18026acb996
2013-09-12 18:47:56 +09:00
Keisuke Kuroyanagi
1b80a45e79 Merge "Make terminal cache small." 2013-09-12 05:21:49 +00:00
Keisuke Kuroyanagi
80ca7abea3 Make terminal cache small.
Bug: 10699291

Before:
(0)  2997.63 (0.98%)
(1)  303760.77 (98.92%)
(2)  274.94 (0.09%)
(66)  0.38 (0.00%)
Total 307062.27 (sum of others 307033.73)

After:
(0)  2953.22 (0.96%)
(1)  304633.86 (98.93%)
(2)  293.76 (0.10%)
(66)  0.38 (0.00%)
Total 307915.65 (sum of others 307881.22)

Change-Id: I6905abeb590ef50d48ddfcd8ef8b5351af399150
2013-09-12 14:18:48 +09:00
Keisuke Kuroyanagi
f1233b58c2 Use same session id for typing and gesture.
Bug: 10699291
Change-Id: I7c8a3a57e8d189b72a17e4b9c6831becee6ec146
2013-09-12 12:08:22 +09:00
Keisuke Kuroyanagi
f38969f3f8 Fix bug of dictionary dynamic updating methods.
Bug: 6669677
Change-Id: I5483adb03e1ac0c27bbfd99d5f4d7cc29809d70a
2013-09-10 22:32:30 +09:00
Keisuke Kuroyanagi
e531c2241e Move a flag about switching dynamic update to java.
Bug: 6669677

Change-Id: I6aa99cae4a227f9202179c2873d13473a773e024
2013-09-10 18:45:53 +09:00
Keisuke Kuroyanagi
210669605a Merge "Fix: ExtendableBuffer" 2013-09-10 06:45:41 +00:00
Keisuke Kuroyanagi
4e79fb24ab Fix: ExtendableBuffer
Bug: 6669677
Change-Id: I73142fdabac1cbd4128b83c3b26b642b4b4f4da7
2013-09-10 15:40:11 +09:00
Keisuke Kuroyanagi
216617062a Merge "Implement split and create node methods." 2013-09-10 06:38:05 +00:00
Keisuke Kuroyanagi
fdcd67ba15 Implement split and create node methods.
Bug: 6669677
Change-Id: Iac4afb637a8ba3d55f7a88f4a532831c1731f93e
2013-09-10 15:27:19 +09:00
Keisuke Kuroyanagi
c5f35a9c86 Merge "Calculate parent offset from the head of moved node." 2013-09-10 06:08:56 +00:00
Keisuke Kuroyanagi
9c820de7a1 Calculate parent offset from the head of moved node.
Bug: 6669677
Change-Id: I710453f1c37ec14e5b6830595c1afb2caff83cf2
2013-09-10 15:03:44 +09:00
Keisuke Kuroyanagi
1d4a07f6c7 Merge "Re-call getBuffer after writing in bigram/shortcut policy." 2013-09-10 03:27:30 +00:00
Keisuke Kuroyanagi
c987120cbc Re-call getBuffer after writing in bigram/shortcut policy.
Bug: 6669677
Change-Id: I35dc290aa9582e019681b8aae49db3f8d37c90d4
2013-09-10 12:12:42 +09:00
Keisuke Kuroyanagi
a159ad473c Implement create children array and add child method.
Bug: 6669677
Change-Id: Ic89c3dfe01937e771db8fc59d5259496a9464a47
2013-09-09 16:44:17 +09:00
Keisuke Kuroyanagi
7bd7dc5d0d Implement update node probability method.
Bug: 6669677
Change-Id: I61ac0d05e362fc7d8a967ddd8286580998c70487
2013-09-09 15:29:11 +09:00