{"action":"created","comment":{"url":"https://api.github.com/repos/harvard-cs205/cs205-homework/pulls/comments/42932550","id":42932550,"diff_hunk":"@@ -1,3 +1,29 @@\n from P2 import *\n \n # Your code here\n+from pyspark import SparkContext\n+\n+# initialize spark\n+sc = SparkContext()\n+\n+# create rdd to save image pixels\n+n = 2000\n+rows = sc.parallelize(range(n), 10)\n+image = rows.cartesian(rows)\n+\n+# assign partitions randomly\n+image = image.partitionBy(100, lambda part: np.random.randint(0,100))\n+print 'Number of partitions:', image.getNumPartitions()\n+\n+# Mandelbrot computation\n+image = image.map(lambda (i, j): ((i,j), (j/500.-2, i/500.-2)))\n+image = image.mapValues(lambda v: mandelbrot(v[0], v[1]))\n+#draw_image(image)\n+\n+# Plot histogram of iterations by partition\n+iters_by_partition = sum_values_for_partitions(image).collect()\n+plt.hist(iters_by_partition)\n+plt.title('Histogram of Iterations by Partition')\n+plt.ylabel('Frequency of Partitions')\n+plt.xlabel('Number of Iterations')\n+plt.savefig('P2b_hist.png')","path":"HW1/P2/P2b.py","position":29,"original_position":29,"commit_id":"8938e346c4a30a18b35a8d30368658ba56b8ac96","original_commit_id":"8938e346c4a30a18b35a8d30368658ba56b8ac96","user":{"login":"clim16","id":14103870,"avatar_url":"https://avatars.githubusercontent.com/u/14103870?v=3","gravatar_id":"","url":"https://api.github.com/users/clim16","html_url":"https://github.com/clim16","followers_url":"https://api.github.com/users/clim16/followers","following_url":"https://api.github.com/users/clim16/following{/other_user}","gists_url":"https://api.github.com/users/clim16/gists{/gist_id}","starred_url":"https://api.github.com/users/clim16/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/clim16/subscriptions","organizations_url":"https://api.github.com/users/clim16/orgs","repos_url":"https://api.github.com/users/clim16/repos","events_url":"https://api.github.com/users/clim16/events{/privacy}","received_events_url":"https://api.github.com/users/clim16/received_events","type":"User","site_admin":false},"body":"Nice partitioning and explanation! It looks like you got a good distribution of workload.","created_at":"2015-10-24T10:09:16Z","updated_at":"2015-10-24T10:09:16Z","html_url":"https://github.com/harvard-cs205/cs205-homework/pull/215#discussion_r42932550","pull_request_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/pulls/215","_links":{"self":{"href":"https://api.github.com/repos/harvard-cs205/cs205-homework/pulls/comments/42932550"},"html":{"href":"https://github.com/harvard-cs205/cs205-homework/pull/215#discussion_r42932550"},"pull_request":{"href":"https://api.github.com/repos/harvard-cs205/cs205-homework/pulls/215"}}},"pull_request":{"url":"https://api.github.com/repos/harvard-cs205/cs205-homework/pulls/215","id":46736629,"html_url":"https://github.com/harvard-cs205/cs205-homework/pull/215","diff_url":"https://github.com/harvard-cs205/cs205-homework/pull/215.diff","patch_url":"https://github.com/harvard-cs205/cs205-homework/pull/215.patch","issue_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/issues/215","number":215,"state":"open","locked":false,"title":"HW1","user":{"login":"stephenshifang","id":8669179,"avatar_url":"https://avatars.githubusercontent.com/u/8669179?v=3","gravatar_id":"","url":"https://api.github.com/users/stephenshifang","html_url":"https://github.com/stephenshifang","followers_url":"https://api.github.com/users/stephenshifang/followers","following_url":"https://api.github.com/users/stephenshifang/following{/other_user}","gists_url":"https://api.github.com/users/stephenshifang/gists{/gist_id}","starred_url":"https://api.github.com/users/stephenshifang/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/stephenshifang/subscriptions","organizations_url":"https://api.github.com/users/stephenshifang/orgs","repos_url":"https://api.github.com/users/stephenshifang/repos","events_url":"https://api.github.com/users/stephenshifang/events{/privacy}","received_events_url":"https://api.github.com/users/stephenshifang/received_events","type":"User","site_admin":false},"body":"","created_at":"2015-10-05T00:01:18Z","updated_at":"2015-10-24T10:09:16Z","closed_at":null,"merged_at":null,"merge_commit_sha":"d79a009386fd3e862b5b9b5d527731a754465554","assignee":null,"milestone":null,"commits_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/pulls/215/commits","review_comments_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/pulls/215/comments","review_comment_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/pulls/comments{/number}","comments_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/issues/215/comments","statuses_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/statuses/8938e346c4a30a18b35a8d30368658ba56b8ac96","head":{"label":"stephenshifang:HW1","ref":"HW1","sha":"8938e346c4a30a18b35a8d30368658ba56b8ac96","user":{"login":"stephenshifang","id":8669179,"avatar_url":"https://avatars.githubusercontent.com/u/8669179?v=3","gravatar_id":"","url":"https://api.github.com/users/stephenshifang","html_url":"https://github.com/stephenshifang","followers_url":"https://api.github.com/users/stephenshifang/followers","following_url":"https://api.github.com/users/stephenshifang/following{/other_user}","gists_url":"https://api.github.com/users/stephenshifang/gists{/gist_id}","starred_url":"https://api.github.com/users/stephenshifang/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/stephenshifang/subscriptions","organizations_url":"https://api.github.com/users/stephenshifang/orgs","repos_url":"https://api.github.com/users/stephenshifang/repos","events_url":"https://api.github.com/users/stephenshifang/events{/privacy}","received_events_url":"https://api.github.com/users/stephenshifang/received_events","type":"User","site_admin":false},"repo":{"id":41865193,"name":"cs205-homework","full_name":"stephenshifang/cs205-homework","owner":{"login":"stephenshifang","id":8669179,"avatar_url":"https://avatars.githubusercontent.com/u/8669179?v=3","gravatar_id":"","url":"https://api.github.com/users/stephenshifang","html_url":"https://github.com/stephenshifang","followers_url":"https://api.github.com/users/stephenshifang/followers","following_url":"https://api.github.com/users/stephenshifang/following{/other_user}","gists_url":"https://api.github.com/users/stephenshifang/gists{/gist_id}","starred_url":"https://api.github.com/users/stephenshifang/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/stephenshifang/subscriptions","organizations_url":"https://api.github.com/users/stephenshifang/orgs","repos_url":"https://api.github.com/users/stephenshifang/repos","events_url":"https://api.github.com/users/stephenshifang/events{/privacy}","received_events_url":"https://api.github.com/users/stephenshifang/received_events","type":"User","site_admin":false},"private":false,"html_url":"https://github.com/stephenshifang/cs205-homework","description":"","fork":true,"url":"https://api.github.com/repos/stephenshifang/cs205-homework","forks_url":"https://api.github.com/repos/stephenshifang/cs205-homework/forks","keys_url":"https://api.github.com/repos/stephenshifang/cs205-homework/keys{/key_id}","collaborators_url":"https://api.github.com/repos/stephenshifang/cs205-homework/collaborators{/collaborator}","teams_url":"https://api.github.com/repos/stephenshifang/cs205-homework/teams","hooks_url":"https://api.github.com/repos/stephenshifang/cs205-homework/hooks","issue_events_url":"https://api.github.com/repos/stephenshifang/cs205-homework/issues/events{/number}","events_url":"https://api.github.com/repos/stephenshifang/cs205-homework/events","assignees_url":"https://api.github.com/repos/stephenshifang/cs205-homework/assignees{/user}","branches_url":"https://api.github.com/repos/stephenshifang/cs205-homework/branches{/branch}","tags_url":"https://api.github.com/repos/stephenshifang/cs205-homework/tags","blobs_url":"https://api.github.com/repos/stephenshifang/cs205-homework/git/blobs{/sha}","git_tags_url":"https://api.github.com/repos/stephenshifang/cs205-homework/git/tags{/sha}","git_refs_url":"https://api.github.com/repos/stephenshifang/cs205-homework/git/refs{/sha}","trees_url":"https://api.github.com/repos/stephenshifang/cs205-homework/git/trees{/sha}","statuses_url":"https://api.github.com/repos/stephenshifang/cs205-homework/statuses/{sha}","languages_url":"https://api.github.com/repos/stephenshifang/cs205-homework/languages","stargazers_url":"https://api.github.com/repos/stephenshifang/cs205-homework/stargazers","contributors_url":"https://api.github.com/repos/stephenshifang/cs205-homework/contributors","subscribers_url":"https://api.github.com/repos/stephenshifang/cs205-homework/subscribers","subscription_url":"https://api.github.com/repos/stephenshifang/cs205-homework/subscription","commits_url":"https://api.github.com/repos/stephenshifang/cs205-homework/commits{/sha}","git_commits_url":"https://api.github.com/repos/stephenshifang/cs205-homework/git/commits{/sha}","comments_url":"https://api.github.com/repos/stephenshifang/cs205-homework/comments{/number}","issue_comment_url":"https://api.github.com/repos/stephenshifang/cs205-homework/issues/comments{/number}","contents_url":"https://api.github.com/repos/stephenshifang/cs205-homework/contents/{+path}","compare_url":"https://api.github.com/repos/stephenshifang/cs205-homework/compare/{base}...{head}","merges_url":"https://api.github.com/repos/stephenshifang/cs205-homework/merges","archive_url":"https://api.github.com/repos/stephenshifang/cs205-homework/{archive_format}{/ref}","downloads_url":"https://api.github.com/repos/stephenshifang/cs205-homework/downloads","issues_url":"https://api.github.com/repos/stephenshifang/cs205-homework/issues{/number}","pulls_url":"https://api.github.com/repos/stephenshifang/cs205-homework/pulls{/number}","milestones_url":"https://api.github.com/repos/stephenshifang/cs205-homework/milestones{/number}","notifications_url":"https://api.github.com/repos/stephenshifang/cs205-homework/notifications{?since,all,participating}","labels_url":"https://api.github.com/repos/stephenshifang/cs205-homework/labels{/name}","releases_url":"https://api.github.com/repos/stephenshifang/cs205-homework/releases{/id}","created_at":"2015-09-03T14:44:35Z","updated_at":"2015-09-03T14:44:35Z","pushed_at":"2015-10-05T19:10:18Z","git_url":"git://github.com/stephenshifang/cs205-homework.git","ssh_url":"git@github.com:stephenshifang/cs205-homework.git","clone_url":"https://github.com/stephenshifang/cs205-homework.git","svn_url":"https://github.com/stephenshifang/cs205-homework","homepage":null,"size":2797,"stargazers_count":0,"watchers_count":0,"language":"Python","has_issues":false,"has_downloads":true,"has_wiki":false,"has_pages":false,"forks_count":0,"mirror_url":null,"open_issues_count":0,"forks":0,"open_issues":0,"watchers":0,"default_branch":"master"}},"base":{"label":"harvard-cs205:master","ref":"master","sha":"406f864b38a6c8a3d89cba66cb5228e98907bab7","user":{"login":"harvard-cs205","id":13456002,"avatar_url":"https://avatars.githubusercontent.com/u/13456002?v=3","gravatar_id":"","url":"https://api.github.com/users/harvard-cs205","html_url":"https://github.com/harvard-cs205","followers_url":"https://api.github.com/users/harvard-cs205/followers","following_url":"https://api.github.com/users/harvard-cs205/following{/other_user}","gists_url":"https://api.github.com/users/harvard-cs205/gists{/gist_id}","starred_url":"https://api.github.com/users/harvard-cs205/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/harvard-cs205/subscriptions","organizations_url":"https://api.github.com/users/harvard-cs205/orgs","repos_url":"https://api.github.com/users/harvard-cs205/repos","events_url":"https://api.github.com/users/harvard-cs205/events{/privacy}","received_events_url":"https://api.github.com/users/harvard-cs205/received_events","type":"Organization","site_admin":false},"repo":{"id":40614104,"name":"cs205-homework","full_name":"harvard-cs205/cs205-homework","owner":{"login":"harvard-cs205","id":13456002,"avatar_url":"https://avatars.githubusercontent.com/u/13456002?v=3","gravatar_id":"","url":"https://api.github.com/users/harvard-cs205","html_url":"https://github.com/harvard-cs205","followers_url":"https://api.github.com/users/harvard-cs205/followers","following_url":"https://api.github.com/users/harvard-cs205/following{/other_user}","gists_url":"https://api.github.com/users/harvard-cs205/gists{/gist_id}","starred_url":"https://api.github.com/users/harvard-cs205/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/harvard-cs205/subscriptions","organizations_url":"https://api.github.com/users/harvard-cs205/orgs","repos_url":"https://api.github.com/users/harvard-cs205/repos","events_url":"https://api.github.com/users/harvard-cs205/events{/privacy}","received_events_url":"https://api.github.com/users/harvard-cs205/received_events","type":"Organization","site_admin":false},"private":false,"html_url":"https://github.com/harvard-cs205/cs205-homework","description":"","fork":false,"url":"https://api.github.com/repos/harvard-cs205/cs205-homework","forks_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/forks","keys_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/keys{/key_id}","collaborators_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/collaborators{/collaborator}","teams_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/teams","hooks_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/hooks","issue_events_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/issues/events{/number}","events_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/events","assignees_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/assignees{/user}","branches_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/branches{/branch}","tags_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/tags","blobs_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/git/blobs{/sha}","git_tags_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/git/tags{/sha}","git_refs_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/git/refs{/sha}","trees_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/git/trees{/sha}","statuses_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/statuses/{sha}","languages_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/languages","stargazers_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/stargazers","contributors_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/contributors","subscribers_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/subscribers","subscription_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/subscription","commits_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/commits{/sha}","git_commits_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/git/commits{/sha}","comments_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/comments{/number}","issue_comment_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/issues/comments{/number}","contents_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/contents/{+path}","compare_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/compare/{base}...{head}","merges_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/merges","archive_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/{archive_format}{/ref}","downloads_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/downloads","issues_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/issues{/number}","pulls_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/pulls{/number}","milestones_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/milestones{/number}","notifications_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/notifications{?since,all,participating}","labels_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/labels{/name}","releases_url":"https://api.github.com/repos/harvard-cs205/cs205-homework/releases{/id}","created_at":"2015-08-12T17:18:15Z","updated_at":"2015-10-21T19:21:28Z","pushed_at":"2015-10-21T20:18:24Z","git_url":"git://github.com/harvard-cs205/cs205-homework.git","ssh_url":"git@github.com:harvard-cs205/cs205-homework.git","clone_url":"https://github.com/harvard-cs205/cs205-homework.git","svn_url":"https://github.com/harvard-cs205/cs205-homework","homepage":null,"size":84763,"stargazers_count":5,"watchers_count":5,"language":"C","has_issues":true,"has_downloads":true,"has_wiki":false,"has_pages":false,"forks_count":99,"mirror_url":null,"open_issues_count":267,"forks":99,"open_issues":267,"watchers":5,"default_branch":"master"}},"_links":{"self":{"href":"https://api.github.com/repos/harvard-cs205/cs205-homework/pulls/215"},"html":{"href":"https://github.com/harvard-cs205/cs205-homework/pull/215"},"issue":{"href":"https://api.github.com/repos/harvard-cs205/cs205-homework/issues/215"},"comments":{"href":"https://api.github.com/repos/harvard-cs205/cs205-homework/issues/215/comments"},"review_comments":{"href":"https://api.github.com/repos/harvard-cs205/cs205-homework/pulls/215/comments"},"review_comment":{"href":"https://api.github.com/repos/harvard-cs205/cs205-homework/pulls/comments{/number}"},"commits":{"href":"https://api.github.com/repos/harvard-cs205/cs205-homework/pulls/215/commits"},"statuses":{"href":"https://api.github.com/repos/harvard-cs205/cs205-homework/statuses/8938e346c4a30a18b35a8d30368658ba56b8ac96"}}}}