I hereby claim:
- I am feynmanliang on github.
- I am feynman (https://keybase.io/feynman) on keybase.
- I have a public key ASDISK0rUZWGgEO6xCKFhIoLWMFM9iReGIYlgD0YZukZBAo
To claim this, I am signing this object:
Feynman Liang feynmanliang
feynmanliang
/ keybase.md
Created
September 12, 2019 02:05
feynmanliang
/ call-phone.json
Last active
July 11, 2019 20:14
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| [ | |
| { | |
| "action": "talk", | |
| "text": "Please wait while we connect you." | |
| }, | |
| { | |
| "action": "connect", | |
| "timeout": 20, | |
| "from": "12015100650", | |
| "endpoint": [ |
feynmanliang
/ Hai.md
Created
November 3, 2017 18:31
Do you even read these?
feynmanliang
/ keybase.md
Created
November 2, 2017 18:15
I hereby claim:
- I am feynmanliang on github.
- I am feynman (https://keybase.io/feynman) on keybase.
- I have a public key ASCNE3Hd3sTW9NIXdtB7kYN566UbsrJ3BEe9GVNH-BoCgQo
To claim this, I am signing this object:
feynmanliang
/ SPARK-10478_microbenchmarks.md
Last active
October 10, 2015 19:57
| Num Examples | Num Classes | Before Average Runtime (ms) | After Average Runtime (ms) |
|---|---|---|---|
| 1000 | 5 | 5.3315174999999995 | 0.4096546 |
| 1000 | 50 | 6.7308793 | 4.1289975 |
| 1000 | 250 | 21.5866622 | 21.25164 |
| 10000 | 5 | 4.2153461 | 4.145396 |
| 10000 | 50 | 42.2423785 | 41.0198213 |
| 10000 | 250 | 215.2192236 | 208.61861249999998 |
| 100000 | 5 | 43.517224899999995 | 41.2843315 |
feynmanliang
/ Spark_PrefixSpan_ASL_example.scala
Last active
July 8, 2016 13:14
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| import org.apache.http.client.methods.HttpGet | |
| import org.apache.http.impl.client.{BasicResponseHandler, HttpClientBuilder} | |
| import org.apache.spark.mllib.fpm.PrefixSpan | |
| // sequence database | |
| val sequenceDatabase = { | |
| val url = "http://www.philippe-fournier-viger.com/spmf/datasets/SIGN.txt" | |
| val client = HttpClientBuilder.create().build() | |
| val request = new HttpGet(url) | |
| val response = client.execute(request) |
feynmanliang
/ Spark_OnlineLDA_wikipedia_example.scala
Last active
April 10, 2020 11:11
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| import org.apache.spark.ml.feature.{CountVectorizer, RegexTokenizer, StopWordsRemover} | |
| import org.apache.spark.mllib.clustering.{LDA, OnlineLDAOptimizer} | |
| import org.apache.spark.mllib.linalg.Vector | |
| import sqlContext.implicits._ | |
| val numTopics: Int = 100 | |
| val maxIterations: Int = 100 | |
| val vocabSize: Int = 10000 |
feynmanliang
/ TungstenCache V1.diff
Last active
September 4, 2015 05:35
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| diff --git a/sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeRow.java b/sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeRow.java | |
| index 6c02004..83d47c7 100644 | |
| --- a/sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeRow.java | |
| +++ b/sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeRow.java | |
| @@ -577,7 +577,9 @@ public String toString() { | |
| StringBuilder build = new StringBuilder("["); | |
| for (int i = 0; i < sizeInBytes; i += 8) { | |
| build.append(java.lang.Long.toHexString(Platform.getLong(baseObject, baseOffset + i))); | |
| - build.append(','); | |
| + if (i <= sizeInBytes-1) { |
feynmanliang
/ TungstenCache_V0.diff
Last active
September 3, 2015 23:36
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| diff --git a/sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeRow.java b/sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeRow.java | |
| index 6c02004..83d47c7 100644 | |
| --- a/sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeRow.java | |
| +++ b/sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeRow.java | |
| @@ -577,7 +577,9 @@ public String toString() { | |
| StringBuilder build = new StringBuilder("["); | |
| for (int i = 0; i < sizeInBytes; i += 8) { | |
| build.append(java.lang.Long.toHexString(Platform.getLong(baseObject, baseOffset + i))); | |
| - build.append(','); | |
| + if (i <= sizeInBytes-1) { |
feynmanliang
/ SPARK-5016 Perf Testing.md
Last active
August 29, 2015 14:24
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