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Select the date in page properties and the contributor at the end of the page. To measure execution time in C using classes from the standard library, follow these three steps. Call high_resolution_clock now at the start and finish points of the portion of code to be measured. Create an instance of the duration class with the difference between the start and finish time points recorded from Step 1. Invoke the duration count method to get the elapsed time in seconds.
As a C developer, it can be incredibly helpful knowing how to measure execution time in C for certain portions of code. That s because understanding execution time intervals can be used for analyzing and optimizing important execution paths, or contrasting and comparing different options for algorithms and data structures. To get a better idea of how this all works, we will start by covering a few useful classes available since C 11 for dealing with C time measurements.
Then, we ll look at how to implement measures using direct calls to Windows APIs. C Time Classes. One option for measuring execution times for a portion of C code is to use some classes that are available as part of the C 11 s standard library. The high_resolution_clock class, defined in the standard header, can come in handy here. As its name suggests, this class represents a clock with the highest precision or equivalently, the smallest tick period available on a given platform.
The high_resolution_clock exposes the now method, which returns a value corresponding to the call s point in time. You ll want to invoke this method twice. At the beginning portion of the code. At the finish of that portion. Using this method, we record the start and the finish time of the execution. As we can note from the above code sample, the high_resolution_clock class is defined under the std chrono namespace, and the now method is static.
This means that you don t need to create a new instance of the high_resolution_clock class. You ll also notice that the return type of the now method is lengthy std chrono time_point. Thankfully, you can use the C 11 s auto keyword to help reduce that clutter and increase code readability. Once you ve recorded the start and finish time of a given portion of code, you can use another class the name of this class is duration and it represents a time interval of the same std chrono namespace to get the elapsed time.
You can construct an instance of this class using the start and finish time previously recorded. Once that s in, you can invoke the count method of the duration class to get the elapsed time measured in seconds. How to Calculate Time in C with Windows High-Resolution Time Stamps. To start calculating time in C with Windows high-resolution time stamps in native user-mode C code, there are a couple of Windows APIs you ll want to note.
The first is QueryPerformanceCounter. This function retrieves the current value of the performance counter. This value is basically a high-resolution time stamp that can be used to measure C time intervals, similar to what we previously saw with the high_resolution_clock now method. Again, the idea is to call QueryPerformanceCounter twice.
At the start of the portion code. At the finish of the portion code. After the start and finish times are recorded, the time interval measurement can be done with some simple math. But before moving forward, note the usage of the QueryPerformanceCounter API. The prototype of this function is. The _Out_ annotation is a SAL annotation commonly used in Windows headers.
It means that the IpPerformanceCounter parameter is an output parameter. In a nutshell If the function succeeded, the current value of the performance counter is stored in the variable pointed to by that parameter. Now, let s move on to the LARGE_INTEGER structure. This is a union that represents a 64-bit signed integer. It was designed to allow use of 64-bit signed integers in C compilers lacking built-in support. In fact, its LowPart and HighPart members store the low-order and high-order 32 bits of a 64-bit integer, respectively.
Its QuadPart member is just a signed 64-bit integer, and since the Visual C compiler offers convenient built-in 64-bit integer types e. __ int64or long longwe can use those instead of the LARGE_INTEGER Win32 structure in our code. Finally, the API returns a BOOL value indicating a success TRUE or failure FALSE code. We can wrap that API in a more convenient way for use in our C code, in particular exposing a functional interface instead of the output pointer parameter, and returning directly a long long type 64-bit integer instead of using the LARGE_INTEGER union.
Note that the function is marked using C 11 s noexcept, since it doesn t throw exceptions, and the Visual C compiler can do optimizations knowing that. Since the function s body is short, I ve defined this function incline. This is a zero-overhead, convenient wrapper around the Win32 QueryPerformanceCounter API. So, using the custom-defined PerformanceCounter function, you can measure execution time in C for a given portion of code like this.
Note the analogy with std chrono high_resolution_clock now, even though this custom syntax seems clearer. How to Compute the Time Interval Measurement. Now that we have recorded the start and finish times, we can compute a difference to get the time interval measurement. The start and finish values are expressed in ticks of the performance counter. This means that if we subtract these values, we get the elapsed number of ticks.
Ticks aren t all that human-friendly, so we ll want to measure the elapsed time using other units, like seconds or milliseconds. To do this, we divide the number of elapsed ticks by the number of ticks-per-second, which is the frequency of the performance counter. To get this frequency value, we can use another Windows API called QueryPerformanceFrequency.
Here s the prototype for this. As you can see, this prototype structure is exactly the same as QueryPerformanceCounter s. The main difference here is that the returned output parameter is the frequency of the performance counter which is measured in ticks-per-second. Just like the QueryPerformanceCounter API, QueryPerformanceFrequency can be wrapped in a convenient, compact function to use in our C code.
This frequency is a parameter that is fixed at system boot, so we only need to query for it once. The returned value can be cached for the whole execution of our code. How to Compute the Time-Interval Measurement in Milliseconds. Now, because the start and finish time is expressed in ticks and the frequency is expressed in ticks-per-second, we can compute the time-interval measurement in milliseconds using this simple formula.
Note The parentheses carefully control the order of execution of the operations involved. First, the difference between finish and start is computed. Then, this difference is multiplied by a factor of 1,000 to prepare for the final value in milliseconds. Only after this multiplication occurs, the resulting value is divided by the frequency in ticks-per-second.
Following these exact steps helps us to avoid precision losses. The Stopwatch Class. The above C Win32 code can be wrapped in a convenient C Stopwatch class and its usage is very simple. Since this is a header-only module, you can just include the Stopwatch. h header when you need it, and then use the Stopwatch class like this. The code that you want to time is clearly marked between a couple of calls to the Start and Stop methods of the Stopwatch class.
Just think of it like holding an actual stopwatch in your hand and pressing the start stop button to measure a given portion of C code. Note The downloadable code compiles cleanly at warning level 7 W4 with Visual C 2015, in both 32-bit and 64-bit builds. You now have a few techniques in your toolkit that can be used to measure execution time in C.
Remember, this can come in handy when. Contrasting and comparing several algorithms and choices of data to optimize for execution speed. Trying to determine how much time is spent in some portions of C code. Learn more about C from Pluralsight. Giovanni Dicanio. Giovanni Dicanio is a computer programmer specializing in C, C and the Windows OS. He is a Pluralsight author and Visual C MVP, with computer programming experience dating back to the glorious Commodore 64 and Commodore Amiga 500 golden days.
Giovanni enjoys several aspects of development from design to actual code writing, to debugging and code reviews. Feel free to contact him at giovanni. dicanio AT gmail. com or visit his website. Besides programming and course authoring, he enjoys helping others on forums and communities devoted to C. How to Run Google Chrome on Windows 7 64 bit Version.
Google Chrome browser share has been increasing exponentially which may because of aggressive advertising of Google chrome by Google. Google Chrome one fastest browser has already made its way to many geek users computer. Still Google Chrome is only available for Windows Linux operating system and no mac version is available. There are many users reporting that Google Chrome doesn t work with Microsoft latest operating system Windows 7 64 bit version.
Run Google Chrome on Windows 7 64 bit Version. Here is solution to make Google Chrome Work on Windows 7 64 bit. Right Click on Google Chrome Icon. Add in-process-plugins after chrome. exe in Target field. It should look like this. Click Apply and save change. Now start Google Chrome and it should work on your Windows 7 64 Bit Version. 67 thoughts on How to Run Google Chrome on Windows 7 64 bit Version.
Just installed Windows 7 Beta 64 yesterday but cannot get Chrome to work even with the extra argument. Make sure you use two dashes instead of a long one. Type in the argument manually. For build 7000 you need to put the argument after the quote instead. D Users John Robert AppData Local Google Chrome Application chrome. exe in-process-plugins. That parameter took care of it, thanks. Adding the parameter at first did not work for me, but changing the first to a doubleas suggested by Iain, fixed it for me.
Yes I checked with the dashes as well and you do have to use two instead of the one solid one. Perfect Thank you. You can use no-sandbox as well to make it work I m not sure which one makes more changes into the Chrome UX. That extra dash did it. worked perfect thanks. Thanks so much, it worked perfectly. Works like a charm. Chrome does not work under linux unless you install the windows version with Wine or CrossOver.
As of now, the linux and mac versions are being developed in parallel. Don t forget, you ll need to add this argument to any Google Chrome application shortcuts you create. LIB reading and following instructions for 7000 beta. SERIOUS KUDOS. I tried what the article said, no luck. no-sandox made it work though, thanks Chen. Correct, you need to put the item outside the quotes, use double quotes, AND you can use it for app shortcuts by putting it between the.
The in-process-plugins thingie worked to have pages loaded but chrome still runs very buggy. Keeps freezing on me esp. And if I choose to kill the page nothing happens. I also can t kill the application from the task manager running processes area. Windows complains about not being able to find the application. This erroneous screen shot has been reposted over numerous web sites. Remove the that is showng on the Target line and make darn sure that the parameter is.
This is great unless you have Chrome as your default browser and newly clicked links won t work. BUT I just made these changes to my registry which fixed this too Key Name HKEY_CLASSES_ROOT Applications chrome. exe shell open command Make sure the default looks like this C Users user AppData Local Google Chrome Application chrome.
exe in-process-plugins 1. in-process-plugins without the. Same goes for HKEY_CLASSES_ROOT ChromeHTML shell open command. puting path in quotes and single works for build 7000. Now works a treat. it worked, and thanks for the info about the space between chrome. exe and the hyphens, spent a lot of time scratching for such a simple task. I think the top article is really bad advice and urge that they consider the following.
in-process-plugins creates a huge security risk. Worked for me with the double dashes on build 7000. not only that but this security risk will stay as people have modified the shortcut they use to launch chrome. The best option is to update to a more recent version of Google Chrome that has been fixed to work with Windows 7. The stable default version of google chrome is updated every 3 months, so you have quite an old version by now.
The beta version is updated every month and the dev every week. The best option is to switch to the dev mode, update to the latest which works fine with windows 7 then switch back to stable. your stable copy will simply start upgrading again when the current stable version is older than the updated dev version you installed. Click the circle next to the channel you want to get updates from DEV. Click Update to save your choice.
In Google Chrome, click the wrench menu and choose About Google Chrome. Click Update Now to install the current channel s release. Restart Google Chrome. Exit Google Chrome. and without creating a risky situation. Rock and Roll Thanks. Thanks Maverick. that worked great. thank you this worked perfectly Maverick. Simple is sometimes best. ty very much i did the in-process-plugins at the end or target worked just dont forget a space before u put it.
Works fine in build 7100 x64. Just to make it clear -in-process-plugins IS A HORRIBLE IDEA. WARNING WARNING WARNING. ok now I have your attention the latest version of chrome works fine in win 7 64bit without creating security holes. update to dev version works fine, without creating security holes switch back to stable once you have updated if you like, it will still work.
Thanks mates this helped a lot I got it with single. Looks like the beta version of Chrome has the fix now. I have confirmed that it works with Win7 RC 64bit. Really usefull. Just installed on Windows 7 RC1. Needed the double -but works great now. windows 7 build 7100 uses no quotation marks. typed it out and works. Too bad the image shown here is incorrect.
the in-process-plugins options goes OUTSIDE of the quotes, if there are any. The file name itself goes inside quotes if the path contains spaces in it. If your system does not apply the settings. you have to do this. Remember to add quotes after chrome. exe and before C. Then It will display like this. hi, i,ve Windows7 Built 7100, and i tried as you show above. But, still has problem showing like. The name C Users Lin AppData Local Google Chrome Application chrome.
exe in-process-plugins specified in the Target is not valid. Make sure the path and files name are correct. Plz help me out. I ve tried every version of Chrome on Windows 7 RC 7100 64bit stable beta dev and uninstalled rebooted each time. No version works for me. Strangely it worked just about when I first put 7 on it only gave up entirely when I d installed Office and VS, and applied windows updates which also broke Windows Update, the one where you have re-register the dll.
Tried all fixes. Nothing works. The above and the -sandbox one open security holes and is not recommended by Google themselves. Guess I ll suffer IE8 until the next dev version. I installed WIN7 64 bit RC 1 7100 some 3 weeks ago. The first thing I did was to point IE at the Google Chrome download. It installed and has worked perfectly ever since. I also installed the free VM Player and run 32 bit WIN7 in the VM. I installed part of MS Office in that VM.
So if Office does break Chrome, that method will isolate Office from your main system. I think it is good practice to place downloads in VMs and add as little as possible to the main system. For Windows 7 64 bit Win7 x64 RTM Download and install using the Standalone installer. This number may change 195. 21 depending on the version.
This is the latest version as on date Vivx. just download the exe file. right click on it ,go to compatibility and mark run this program in compatibility mode for vista service pack 2,then mark run this program as an administrator,and there you go. google chrome on windows 7. I had problems installing Chrome on Win 7 64 bit, until I tried the Standalone installer link poted on July 21st. Now Chrome is running fast and clean in 64 bits now.
tks but still doesn t work. This is the best work-around available on the web. The in process never worked for me, but this one did. I m okay with the DEV instance on mine. Easy fix Download the stable version from Cnet download. run google chrome in windows 7 64 bit version trick is not working. Not quite what I was looking for. can i get another solution, please. I m trying to track down the installation folder and executable for Chrome when it s installed on a windows 7 machine.
I ve looked at a couple of suggestions but they don t send you to the right place. If any of you guys can help me out with this I would appreciate it. this doesnt work google chrome wont accept this. Any Idea why chrome is keep on crushing while using facebook. No help the trick is not working. when i click apply there is no respon. Thanks I hope this stand alone version works.
Tried it and it wouldn t work. when I try to do this and click apply or ok I get an error message saying the folder C Program Files x86 GoogleChromeApplication in-access-plugins specified in the start box is not valid. Make sure that the folder exists and that the path is correct. This problem is seriously killing my multi-tasking.
Any further help, friends. No big deal, right. How to setup linked servers for SQL Server and Oracle 64 bit client. We recently migrated a database from SQL that relied on an Oracle linked server for some of it s computations. Install the Oracle client software and create the linked server just like in the other SQL version right. Be sure to repeat the process on both nodes for failover-sake, right.
In the case of 64-bit SQL instances we have a few extra steps we need to take to get an Oracle linked server configured and working properly. 64-bit computing is coming of age. In most cases, our installation and configuration processes do not change from 32-bit to 64-bit setting up logins, creating SQL Agent jobs; nothing inherently different there.
Inconsistencies do exist however. Take for example linked servers - more specifically linked servers to Oracle databases. In 32-bit environments we simply install the Oracle client software, create the linked server, add remote logins and move on to the next project. In the 64-bit world the process is slightly more difficult - and in the case of one critical step it impacts any existing users on the instance.
Process Creating Oracle Linked Server on a 64-bit SQL Instance. Install Oracle 10g Release 2 64-bit client software available from Oracle website Install Oracle 10g Release 2 64-bit ODAC software available from Oracle website Restart SQL services Configure OraOLEDB. Oracle provider Create linked server Add remote logins for linked server. The complete process is presented below. Step One Installation of the Oracle 10g Release 2 64-bit client software.
Iq option windows 8 will leave it up to you to secure the software by either download from their site or media available via any licensing agreements you may have with Oracle. You only need the barest install of the client. The important steps are outlined below. Simply go ahead and select the InstantClient option from the opening dialog form and click Next. The following screens simply require you to click Next when enabled. These are in place to present the internal checks and summaries of work to be completed once you accept the install parameters.
Proceed through the screens, click Install, and then Finish once the installation is complete. Step Two Installation Oracle 10g Release 2 64-bit ODAC software. Once you have an installed 64-bit Oracle Home you can proceed with installing the ODAC drivers for a 64-bit environment. The OraOLEDB. Oracle driver installed in this step is what you need to iq option windows 8 up your linked server. You ll find the setup. exe for this installation located in the unzipped Install folder.
I strongly suggest you review your previous installation of the client software via selecting the Installed Products button. You want to verify that you have a valid 64-bit Oracle Home that you ll be installing against during this process. We would not be DBAs if we were not overly cautious. If you accepted the defaults during the client installation, your Installed Products Inventory should appear as follows. If so, then close the dialog and click Next to continue.
We have two SQL 64-bit clusters in our organization a four-node production cluster and a two-node dev test cluster. If not, then I suggest you revisit your installation of the client software, possibly de-installing and performing all steps presented previously once again. We will be installing the OraOLEDB. Oracle driver that is included in the Oracle Data Access Components option below. Select Next to continue. Using the drop-down box provided, select the existing Oracle Home you just verified was created as a part of your 64-bit Oracle client installation.
The Path will automatically change accordingly. Continue by clicking Next. You will be presented with the following sub-components. I ve selected all three you never know when these items may be useful and they are extremely lightweight though you only really need to install the first two items. If you do decide to install the Oracle Services for Microsoft Transaction Server component, you ll be prompted for the port number to use.
The default is 2030. Click Next and you ll be presented with the familiar summary screen, listing all components to be installed. Review, make changes if necessary and then click Install. Once completed we can move back to familiar territory SQL Server Management Studio. Step Three Restart SQL Service. This is the most unfortunate step in the entire process.
This is usually the last thing a DBA wants to do. It is the option of last resort whenever there is an issue on a SQL Server instance. However, it is necessary in this case, so be sure to follow your corporate procedures for downtime notifications and process. That being said, let s move past this horrid step. It s quite Darwinian the brash and risky don t last long as Database Administrators. Oracle provider. Step Four Configure OraOLEDB. I was not aware of this process existing until I had to do this the first time.
In Object Explorer, navigate down the tree of the SQL instance we ve been working with until you re able to view the list of Providers under Linked Servers. Select OraOLEDB. Oracle and right-click. The Provider Options dialog box appears. Enable the Allow inprocess option and close the dialog. Now ask yourself Self, what did I just do. Some Internet Guy said click this and it will work. Let s take a quick look at exactly what enabling this option does for a provider.
By default, OLE DB providers are instantiated outside of the SQL Server process. While this protects SQL from any OLE DB errors, Microsoft SQL Server requires that the OLE DB provider run in-process for handling BLOB-ish data types text and images. Step 5 Create Linked Server and Add Logins. Finally, something we re all familiar with. The T-SQL is simple, and identical to the 32-bit platform.
A quick explanation about the datasrc parameter. Since our environment is clustered I do not like relying on an Oracle TNSname. ora file for our connection information. As for creating an associated login the format is. It is far cleaner to specify the data source in terms of the SERVER PORT DB_NAME format. By setting the value to FALSE you re stating that you wish to connect to the linked server with a supplied login password combination that is being identified in the rmtuser and rmtpassword parameters respectively.
Briefly, the useself parameter determines whether the current user in connects to the linked server source under its current context or via impersonation. A value of TRUE would suggest that a login will use it s own current credentials to connect to the linked server. Creating a login for the LK_TIPS linked server we just created with a login of sa and a password set to password would look like this.
Before you get any crazy ideas, I don t suggest using sa password as a combination for any system. Tweak T-SQL code provided to fit your environment If this is being configured in a cluster, be sure to install the Oracle client and ODAC components identically on all nodes in the cluster. Review related tips on linked servers.
Last Updated 2008-02-13. Tim Ford is a Senior Database Administrator with MindBody. can we add Oracle server using sp_addlinkedserver in sql server 2012. Wednesday, December 12, 2018 - 4 50 53 PM - Charles Spence Back To Top 78473. Do you have an update for recent SQL Mgmt studio and later versions of Oracle. we need iq option windows 8 project the Oracle 10g 64Bit Odac client components.
Wednesday, March 21, 2018 - 6 22 28 AM - email protected Back To Top 75489. Do you know or anybody else where we can download this nearly 20 year old pice of software. Friday, November 10, 2017 - 1 40 09 AM - NUR Back To Top 69503. Tuesday, August 11, 2015 - 12 11 55 AM - RAJESH Back To Top 38417. Monday, April 08, 2019 - 6 21 49 AM - ankush Back To Top 79497. i have done linked server like above artical only but here i am geting linked server but i am not geting data from destination.
Oracle for linked server SAP MICROSOFT SQL SERVEE,Error 7303. whilw opening the table folder i am geting error like cannot initalize the data source object from ole db provider Ora. can you please give soluyion for this asp. Tuesday, January 27, 2015 - 8 24 04 AM - Sid Back To Top 36068. This help us to resolve Oracle Link server creation issue. By using the above commands we are able to create Oracle Link server with different port.
Friday, October 25, 2013 - 1 57 34 AM - Irene Back To Top 27275. Wonderful article. This has fixed my issue after i install and uninstall oracle 32bit and oracle 64bit clients. I am glad that we don t need the 32bit Oracle client after all as in other blog indicated. I have apply this to SQL2012 x64 with Oracle 11gr2 x64. Great article Tim. Thursday, August 15, 2013 - 8 54 18 AM - Doug Purnell Back To Top 26323. I was able to follow your steps with the 11G R2 64bit client and everything worked.
It s nice to be able to not have to manage the TNS files for linked servers. Friday, July 12, 2013 - 1 42 07 PM - Lava Back To Top 25820. Great article, thank you so much for the clear steps to follow. It would be great if you please update your article to include Windows vesion you are using for your steps since these steps can be more complex when installing 10g in Windows 2008 R2 server. The other thing would be greeat is to iclude the file links from Oracle site to do the installation.
I was not able to install 10g ODAC in Win2008, so I had to use 11g and run it from command line. Once again, thanks a lot. Thursday, May 30, 2013 - 6 05 19 AM - Albert Back To Top 25195. I read somewhere else about changing the values in some of the registry settings, but your article does not mention any of this. What do you think - is it required. The changes were. Monday, June 04, 2012 - 9 13 01 AM - John Back To Top 17793. Using this article as a starting point, I have developed a slightly different method that is working well in my environment.
I developed this method because using the article s suggestion for specifying iq option windows 8 datasrc parameter of the linked server definition yielded unreliable results. On some SQL Servers it worked just fine, on others it did not. In my environment, the revised step 5 below works reliably on all SQL Servers on which it has been implemented. Steps 1 through 4 remain the same note that the Oracle 11 client install is a single step replacing the steps 1 2 in the original article. Contact the Oracle DBA and ask for a tnsnames.
This is where the FQDN for the Oracle server is defined. Mine looks like this. Generated client tnsnames. ora from usr local scripts config generate_tnsnames. Where DATABASE_NAME and ORACLE_SERVER_FQDN are values for the specific Oracle instance to which you are connecting. Ask the DBA about any parameters that need to be set in the sqlnet. ora Network Configuration File D app oracle product 11. Generated by Oracle configuration tools. This file is actually generated by netca.
But if customers choose to. install Software Onlythis file wont exist and without the native. authentication, they will not be able to connect to the database on NT. DIRECTORY_PATH parameter is important. Assuming you installed the Oracle client in C Oracle, copy tnsnames. ora into C Oracle product 11. ora and sqlnet. 0 client_1 network admin replacing any existing files make a backup first.
Create the linked server using the following script. LINKED_SERVER_NAME is the name of your linked server object. ACCOUNT_USERNAME and ACCOUNT_PASSWORD are your Oracle server credentials. Thursday, March 01, 2012 - 7 47 34 AM - Greg Back To Top 16228. DATABASE_NAME is the value from the tnsnames. I found this article whilst trying to research problems with datsrc N server port database.
I have an oracle linked server working successfully but it uses plink encryption that runs non the localhost so that the TNS entry is TUNNEL DESCRIPTION ADDRESS PROTOCOL tcp HOST localhost PORT 15211 CONNECT_DATA SERVICE_NAME oradb02. If I use datsrc TUNNEL all is fine but I have tried everything without success to by pass TNSNames. g datasrc N localhost 15211 oradb02 or N n.
Friday, August 19, 2011 - 2 10 35 PM - Cynthia Back To Top 14450.
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