Automated code inspection for performance
Por Ivica Bogosavljević Leave a Comment
Canny edge detector algorithm is a famous algorithm in image processing. One of our customers was inquiring about the performance of that algorithm, so our performance engineers took a look. As always when dealing with unfamiliar codebases, we didn’t know what to expect. Some algorithms have a lot of room for performance improvements, others don’t. […]
APPENTRA SOLUTIONS S.L
Centro de Investigación TIC. Campus de Elviña S/N
15071, A Coruña, Spain
+34 881 01 55 56
| Cookie | Type | Duration | Description |
|---|---|---|---|
| 0 | |||
| __asc | 0 | 30 minutes | |
| __auc | 0 | 1 year | |
| __bs_id | 0 | 1 year | |
| __cfduid | 1 | 1 month | The cookie is set by CloudFare. The cookie is used to identify individual clients behind a shared IP address d apply security settings on a per-client basis. It doesnot correspond to any user ID in the web application and does not store any personally identifiable information. |
| __gads | 0 | 1 year | This cookie is set by Google and stored under the name dounleclick.com. This cookie is used to track how many times users see a particular advert which helps in measuring the success of the campaign and calculate the revenue generated by the campaign. These cookies can only be read from the domain that it is set on so it will not track any data while browsing through another sites. |
| __lxGr__ses | 0 | 15 minutes | |
| __lxGr__var_654116 | 0 | 15 minutes | |
| __lxGr__var_654122 | 0 | 15 minutes | |
| __lxGr__var_654124 | 0 | 15 minutes | |
| __lxGr__var_654130 | 0 | 15 minutes | |
| __lxGr__var_654134 | 0 | 15 minutes | |
| __lxGr__var_654146 | 0 | 15 minutes | |
| __lxGr__var_654157 | 0 | 15 minutes | |
| __lxGr__var_654161 | 0 | 15 minutes | |
| __lxGr__var_654163 | 0 | 15 minutes | |
| __lxGr__var_654165 | 0 | 15 minutes | |
| __lxGr__var_654333 | 0 | 15 minutes | |
| __stid | 0 | 1 year | The cookie is set by ShareThis. The cookie is used for site analytics to determine the pages visited, the amount of time spent, etc. |
| __stidv | 0 | 1 year | |
| __utma | 0 | 2 years | This cookie is set by Google Analytics and is used to distinguish users and sessions. The cookie is created when the JavaScript library executes and there are no existing __utma cookies. The cookie is updated every time data is sent to Google Analytics. |
| __utmb | 0 | 30 minutes | The cookie is set by Google Analytics. The cookie is used to determine new sessions/visits. The cookie is created when the JavaScript library executes and there are no existing __utma cookies. The cookie is updated every time data is sent to Google Analytics. |
| __utmc | 0 | The cookie is set by Google Analytics and is deleted when the user closes the browser. The cookie is not used by ga.js. The cookie is used to enable interoperability with urchin.js which is an older version of Google analytics and used in conjunction with the __utmb cookie to determine new sessions/visits. | |
| __utmt | 0 | 10 minutes | The cookie is set by Google Analytics and is used to throttle the request rate. |
| __utmt_onm | 0 | 10 minutes | |
| __utmz | 0 | 6 months | This cookie is set by Google analytics and is used to store the traffic source or campaign through which the visitor reached your site. |
| _abck | 0 | 1 year | |
| _cb | 0 | 1 year | |
| _cb_ls | 0 | 1 year | |
| _cb_svref | 0 | 30 minutes | |
| _chartbeat2 | 0 | 1 year | |
| _fbp | 0 | 2 months | This cookie is set by Facebook to deliver advertisement when they are on Facebook or a digital platform powered by Facebook advertising after visiting this website. |
| _ga | 0 | 2 years | This cookie is installed by Google Analytics. The cookie is used to calculate visitor, session, camapign data and keep track of site usage for the site's analytics report. The cookies store information anonymously and assigns a randoly generated number to identify unique visitors. |
| _ga_Y5Q8GRTQY9 | 0 | 2 years | |
| _gat | 0 | 1 minute | This cookies is installed by Google Universal Analytics to throttle the request rate to limit the colllection of data on high traffic sites. |
| _gat_bgs | 0 | 1 minute | |
| _gat_gtag_UA_25587466_8 | 0 | 1 minute | Google uses this cookie to distinguish users. |
| _gat_gtag_UA_84471197_16 | 0 | 1 minute | Google uses this cookie to distinguish users. |
| _gat_hearst | 0 | 1 minute | |
| _gat_tDelegDominio | 0 | 1 minute | |
| _gat_tDominio | 0 | 1 minute | |
| _gat_tRollupComscore | 0 | 1 minute | |
| _gat_tRollupDelegacion | 0 | 1 minute | |
| _gat_tRollupGlobal | 0 | 1 minute | |
| _gat_tRollupLvgTotal | 0 | 1 minute | |
| _gat_tRollupNivel1 | 0 | 1 minute | |
| _gat_UA-5144860-2 | 0 | 1 minute | This is a pattern type cookie set by Google Analytics, where the pattern element on the name contains the unique identity number of the account or website it relates to. It appears to be a variation of the _gat cookie which is used to limit the amount of data recorded by Google on high traffic volume websites. |
| _gid | 0 | 1 day | This cookie is installed by Google Analytics. The cookie is used to store information of how visitors use a website and helps in creating an analytics report of how the wbsite is doing. The data collected including the number visitors, the source where they have come from, and the pages viisted in an anonymous form. |
| _kuid_ | 0 | 5 months | The cookie is set by Krux Digital under the domain krxd.net. The cookie stores a unique ID to identify a returning user for the purpose of targeted advertising. |
| _li_ss | 0 | 1 month |
Necessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information.
| Cookie | Type | Duration | Description |
|---|---|---|---|
| __cfduid | 1 | 1 month | The cookie is set by CloudFare. The cookie is used to identify individual clients behind a shared IP address d apply security settings on a per-client basis. It doesnot correspond to any user ID in the web application and does not store any personally identifiable information. |
| cookielawinfo-checkbox-necessary | 0 | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary". |
| cookielawinfo-checkbox-necessary | 0 | 1 hour | This cookie is set by GDPR Cookie Consent plugin. The purpose of this cookie is to check whether or not the user has given the consent to the usage of cookies under the category 'Necessary'. |
| cookielawinfo-checkbox-non-necessary | 0 | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Non Necessary". |
| cookielawinfo-checkbox-non-necessary | 0 | 1 hour | This cookie is set by GDPR Cookie Consent plugin. The purpose of this cookie is to check whether or not the user has given their consent to the usage of cookies under the category 'Non-Necessary'. |
| DSID | 1 | 1 hour | To note specific user identity. Contains hashed/encrypted unique ID. |
| JSESSIONID | 1 | Used by sites written in JSP. General purpose platform session cookies that are used to maintain users' state across page requests. | |
| PHPSESSID | 0 | This cookie is native to PHP applications. The cookie is used to store and identify a users' unique session ID for the purpose of managing user session on the website. The cookie is a session cookies and is deleted when all the browser windows are closed. | |
| pmpro_visit | 0 | The cookie is set by the Paid Membership Pro plugin. The cookie is used to manage user memberships. | |
| viewed_cookie_policy | 0 | 11 months | The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data. |
| viewed_cookie_policy | 0 | 1 hour | The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data. |
Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc.
| Cookie | Type | Duration | Description |
|---|---|---|---|
| __gads | 0 | 1 year | This cookie is set by Google and stored under the name dounleclick.com. This cookie is used to track how many times users see a particular advert which helps in measuring the success of the campaign and calculate the revenue generated by the campaign. These cookies can only be read from the domain that it is set on so it will not track any data while browsing through another sites. |
| __stid | 0 | 1 year | The cookie is set by ShareThis. The cookie is used for site analytics to determine the pages visited, the amount of time spent, etc. |
| _ga | 0 | 2 years | This cookie is installed by Google Analytics. The cookie is used to calculate visitor, session, camapign data and keep track of site usage for the site's analytics report. The cookies store information anonymously and assigns a randoly generated number to identify unique visitors. |
| _gat_gtag_UA_25587466_8 | 0 | 1 minute | Google uses this cookie to distinguish users. |
| _gat_gtag_UA_84471197_16 | 0 | 1 minute | Google uses this cookie to distinguish users. |
| _gid | 0 | 1 day | This cookie is installed by Google Analytics. The cookie is used to store information of how visitors use a website and helps in creating an analytics report of how the wbsite is doing. The data collected including the number visitors, the source where they have come from, and the pages viisted in an anonymous form. |
| ad-id | 1 | 7 months | Provided by amazon-adsystem.com for tracking user actions on other websites to provide targeted content |
| demdex | 0 | 5 months | This cookie is set under the domain demdex.net and is used by Adobe Audience Manager to help identify a unique visitor across domains. |
| GPS | 0 | 30 minutes | This cookie is set by Youtube and registers a unique ID for tracking users based on their geographical location |
| pardot | 0 | The cookie is set when the visitor is logged in as a Pardot user. | |
| tk_lr | 0 | 1 year | This cookie is set by JetPack plugin on sites using WooCommerce. This is a referral cookie used for analyzing referrer behavior for Jetpack |
| tk_or | 0 | 5 years | This cookie is set by JetPack plugin on sites using WooCommerce. This is a referral cookie used for analyzing referrer behavior for Jetpack |
| tk_r3d | 0 | 3 days | The cookie is installed by JetPack. Used for the internal metrics fo user activities to improve user experience |
Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. These cookies track visitors across websites and collect information to provide customized ads.
| Cookie | Type | Duration | Description |
|---|---|---|---|
| _fbp | 0 | 2 months | This cookie is set by Facebook to deliver advertisement when they are on Facebook or a digital platform powered by Facebook advertising after visiting this website. |
| _kuid_ | 0 | 5 months | The cookie is set by Krux Digital under the domain krxd.net. The cookie stores a unique ID to identify a returning user for the purpose of targeted advertising. |
| ad-privacy | 1 | 5 years | Provided by amazon-adsystem.com for tracking user actions on other websites to provide targeted content to the users. |
| ATN | 1 | 2 years | The cookie is set by atdmt.com. The cookies stores data about the user behavior on multiple websites. The data is then used to serve relevant advertisements to the users on the website. |
| dpm | 0 | 5 months | The cookie is set by demdex.net. This cookie assigns a unique ID to each visiting user that allows third-party advertisers target that users with relevant ads. |
| everest_g_v2 | 0 | 1 year | The cookie is set under eversttech.net domain. The purpose of the cookie is to map clicks to other events on the client's website. |
| fr | 1 | 2 months | The cookie is set by Facebook to show relevant advertisments to the users and measure and improve the advertisements. The cookie also tracks the behavior of the user across the web on sites that have Facebook pixel or Facebook social plugin. |
| IDE | 1 | 2 years | Used by Google DoubleClick and stores information about how the user uses the website and any other advertisement before visiting the website. This is used to present users with ads that are relevant to them according to the user profile. |
| khaos | 0 | 1 year | This cookie is set by rubiconproject.com. The cookie is used to store user data in an anonymous form such as the IP address, geographical location, websites visited, and the ads clicked. The purpose of the cookie is to tailor the ads displayed to the users based on the users movement on other site in the same ad network. |
| ljt_reader | 0 | 1 year | This is a Lijit Advertising Platform cookie. The cookie is used for recognizing the browser or device when users return to their site or one of their partner's site. |
| mako_uid | 0 | 1 year | This cookie is set under the domain ps.eyeota.net. The cookies is used to collect data about the users' visit to the website such as the pages visited. The data is used to create a users' profile in terms of their interest and demographic. This data is used for targeted advertising and marketing. |
| mc | 0 | 1 year | This cookie is associated with Quantserve to track anonymously how a user interact with the website. |
| NID | 1 | 6 months | This cookie is used to a profile based on user's interest and display personalized ads to the users. |
| p2 | 0 | 1 week | The cookies is set by ownerIQ for the purpose of providing relevant advertisement. |
| personalization_id | 0 | 2 years | This cookie is set by twitter.com. It is used integrate the sharing features of this social media. It also stores information about how the user uses the website for tracking and targeting. |
| PUBMDCID | 0 | 2 months | This cookie is set by pubmatic.com. The cookie stores an ID that is used to display ads on the users' browser. |
| si | 0 | 5 years | The cookies is set by ownerIQ for the purpose of providing relevant advertisement. |
| TDCPM | 0 | 1 year | The cookie is set by CloudFare service to store a unique ID to identify a returning users device which then is used for targeted advertising. |
| TDID | 0 | 1 year | The cookie is set by CloudFare service to store a unique ID to identify a returning users device which then is used for targeted advertising. |
| test_cookie | 0 | 15 minutes | This cookie is set by doubleclick.net. The purpose of the cookie is to determine if the users' browser supports cookies. |
| tuuid | 0 | 1 year | This cookie is set by .bidswitch.net. The cookies stores a unique ID for the purpose of the determining what adverts the users have seen if you have visited any of the advertisers website. The information is used for determining when and how often users will see a certain banner. |
| tuuid_lu | 0 | 1 year | This cookie is set by .bidswitch.net. The cookies stores a unique ID for the purpose of the determining what adverts the users have seen if you have visited any of the advertisers website. The information is used for determining when and how often users will see a certain banner. |
| uid | 0 | 1 month | This cookie is used to measure the number and behavior of the visitors to the website anonymously. The data includes the number of visits, average duration of the visit on the website, pages visited, etc. for the purpose of better understanding user preferences for targeted advertisments. |
| uuid | 0 | 1 month | To optimize ad relevance by collecting visitor data from multiple websites such as what pages have been loaded. |
| VISITOR_INFO1_LIVE | 1 | 5 months | This cookie is set by Youtube. Used to track the information of the embedded YouTube videos on a website. |
Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features.
| Cookie | Type | Duration | Description |
|---|---|---|---|
| __utma | 0 | 2 years | This cookie is set by Google Analytics and is used to distinguish users and sessions. The cookie is created when the JavaScript library executes and there are no existing __utma cookies. The cookie is updated every time data is sent to Google Analytics. |
| __utmb | 0 | 30 minutes | The cookie is set by Google Analytics. The cookie is used to determine new sessions/visits. The cookie is created when the JavaScript library executes and there are no existing __utma cookies. The cookie is updated every time data is sent to Google Analytics. |
| __utmc | 0 | The cookie is set by Google Analytics and is deleted when the user closes the browser. The cookie is not used by ga.js. The cookie is used to enable interoperability with urchin.js which is an older version of Google analytics and used in conjunction with the __utmb cookie to determine new sessions/visits. | |
| __utmt | 0 | 10 minutes | The cookie is set by Google Analytics and is used to throttle the request rate. |
| __utmz | 0 | 6 months | This cookie is set by Google analytics and is used to store the traffic source or campaign through which the visitor reached your site. |
| _gat | 0 | 1 minute | This cookies is installed by Google Universal Analytics to throttle the request rate to limit the colllection of data on high traffic sites. |
| _gat_UA-5144860-2 | 0 | 1 minute | This is a pattern type cookie set by Google Analytics, where the pattern element on the name contains the unique identity number of the account or website it relates to. It appears to be a variation of the _gat cookie which is used to limit the amount of data recorded by Google on high traffic volume websites. |
| AMP_TOKEN | 0 | 1 hour | This cookie is set by Google Analytics - This cookie contains a token that can be used to retrieve a Client ID from AMP Client ID service. Other possible values indicate opt-out, inflight request or an error retrieving a Client ID from AMP Client ID service. |
| audit | 0 | 1 year | This cookie is set by Rubicon Project and is used for recording cookie consent data. |
| bcookie | 0 | 2 years | This cookie is set by linkedIn. The purpose of the cookie is to enable LinkedIn functionalities on the page. |
| lang | 0 | This cookie is used to store the language preferences of a user to serve up content in that stored language the next time user visit the website. | |
| lidc | 0 | 1 day | This cookie is set by LinkedIn and used for routing. |
| mailchimp_landing_site | 0 | 4 weeks | The cookie is set by the email marketing service MailChimp. |
| na_id | 0 | 1 year | This cookie is set by Addthis.com to enable sharing of links on social media platforms like Facebook and Twitter |
| ouid | 0 | 1 year | The cookie is set by Addthis which enables the content of the website to be shared across different networking and social sharing websites. |
| pid | 0 | 1 year | Helps users identify the users and lets the users use twitter related features from the webpage they are visiting. |
| PugT | 0 | 1 month | This cookie is set by pubmatic.com. The purpose of the cookie is to check when the cookies were last updated on the browser in order to limit the number of calls to the server-side cookie store. |
| sid | 0 | This cookie is very common and is used for session state management. | |
| test_cookie | 0 | 11 months | This cookie is set by doubleclick.net. The purpose of the cookie is to determine if the users' browser supports cookies. |
| YSC | 1 | This cookies is set by Youtube and is used to track the views of embedded videos. |
