Regiomontanus' angle maximization problem - Revision history

2601:2:4D00:27B:7CAB:F461:6E7D:2FE2: a range of pages required an en-dash, not a hyphen

2014-08-24T20:56:59Z

a range of pages required an en-dash, not a hyphen

← Older revision		Revision as of 22:56, 24 August 2014
Line 1:		Line 1:
	~~{{multiple issues\|~~
	~~{{Orphan\|date=February 2009}}~~
	~~{{Tone\|date=April 2010}}~~
	}}
	~~{{lowercase}}~~

	'''vRPM''', or '''virtual Revolutions Per Minute''', is a term for a synthetic [[benchmark (computing)\|measurement of performance]] introduced by [[SanDisk]] for [[Solid-state drive\|solid state drive (SSD)]] storage devices inside client [[personal computer\|PCs]]. vRPM was created to give users a metric to compare SSD performance to the [[Hard disk drive\|hard disk drive (HDD)]] and to other SSDs. It answers the question: "How fast would you have to spin a virtual HDD to achieve the performance of an SSD in a client PC?" It uses a language that users understand, [[RPM]] or Revolutions Per Minute, that is a defacto industry standard to measure the performance of the HDD inside PCs.

	~~==Comparing SSD vs. HDD Input/Output Operation ==~~		CMS provides the best platform to create websites that fulfill all the specifications of SEO. Medical word press themes give you the latest medical designs. I thought about what would happen by placing a text widget in the sidebar beneath my banner ad, and so it went. s ultimately easy to implement and virtually maintenance free. Also our developers are well convergent with the latest technologies and bitty-gritty of wordpress website design and promises to deliver you the best solution that you can ever have. <br><br>Thus, it is imperative that you must Hire Word - Press Developers who have the expertise and proficiency in delivering theme integration and customization services. If a newbie missed a certain part of the video then they could always rewind. Several claim that Wordpress just isn't an preferred tool to utilise when developing a professional site. Now, I want to anxiety that not every single query will be answered. Now a days it has since evolved into a fully capable CMS platform which make it, the best platform in the world for performing online business. <br><br>Photography is an entire activity in itself, and a thorough discovery of it is beyond the opportunity of this content. It was also the very first year that the category of Martial Arts was included in the Parents - Connect nationwide online poll, allowing parents to vote for their favorite San Antonio Martial Arts Academy. You can now search through the thousands of available plugins to add all kinds of functionality to your Word - Press site. To turn the Word - Press Plugin on, click Activate on the far right side of the list. Socrates: (link to ) Originally developed for affiliate marketers, I've used this theme again and again to develop full-fledged web sites that include static pages, squeeze pages, and a blog. <br><br>Word - Press installation is very easy and hassle free. And, make no mistake,India's Fertility Clinics and IVF specialists are amongst the best in the world,and have been for some time. Websites that do rank highly, do so becaue they use keyword-heavy post titles. If you just want to share some picture and want to use it as a dairy, that you want to share with your friends and family members, then blogger would be an excellent choice. Word - Press offers constant updated services and products, that too, absolutely free of cost. <br><br>He loves sharing information regarding wordpress, Majento, Drupal and Joomla development tips & tricks. I'm a large fan of using Word - Press to create pretty much any sort of web page. Should you have almost any issues regarding in which in addition to the way to make use of [http://l4.vc/backup_plugin_874564 wordpress dropbox backup], you are able to contact us with our own page. This allows updates to be sent anyone who wants them via an RSS reader or directly to their email. This is because of the customization that works as a keystone for a SEO friendly blogging portal website. Customers within a few seconds after visiting a site form their opinion about the site.
	~~The performance of a storage device can be quantified as~~ the ~~number~~ of ~~[[Input/Output]] operations Per Second (IOPS) it achieves~~. ~~HDD IOPS is proportional to RPM~~. ~~When~~ a ~~system requests to read/write data randomly from/to a HDD~~, ~~[[seek time]]~~ and ~~[[rotational latency]] are two HDD activities that significantly reduce HDD IOPS~~. ~~Seek time is the time it takes~~ to ~~move~~ the ~~HDD head~~ to the ~~correct [[Cylinder (disk drive)\|cylinder]] to begin to receive data~~. ~~Rotational latency~~ is ~~the time it takes to rotate the HDD platter beneath the head so~~ that the ~~data can be read/written~~. ~~Rotational latency varies based on the RPM~~ of the ~~HDD~~.

	~~[[NAND flash]] is used as the [[non-volatile memory]] inside SSDs~~.
	~~It has faster random read than random write performance~~, ~~since its write performance is delayed by the need~~ to ~~perform [[Garbage collection (computer science)\|garbage collection]] to free space for writing~~. ~~However,~~ since ~~NAND flash has no moving parts~~, the ~~SSD achieves much higher IOPS than a HDD~~.

	~~For the client PC usage model with approximately a 50:50 read/write ratio, a PC IOPS number can be calculated as follows:~~

	:<~~math~~>~~PC IOPS (mean)=1/[0.5/SSD IOPS (Iwrite)] + [0.5/SSD IOPS (Iread)]~~<~~/math~~>

	~~Using this equation~~, the ~~results for client SSD PC performance are as follows:~~
	* 2006/7 SSD Generation: 5,000 Read IOPS; 10 Write IOPS; 20 PC IOPS
	* 2008 SSD Generation: 10,000 Read IOPS; 100 Write IOPS; 200 PC IOPS
	* 2009 (estimated) SSD Generation: 25,000 Read IOPS; 400 Write IOPS; 785 PC IOPS

	~~==Converting SSD IOPS Rates into vRPM ==~~

	~~The vRPM performance~~ of ~~an SSD can be calculated as follows:~~

	~~:<math>vRPM=50/[0~~.~~5/SSD IOPS (Iwrite)] + [0~~.~~5/SSD IOPS (Iread)]</math>~~

	~~where~~
	*SSD IOPS (IWrite) is the ~~sustained (~~to the ~~SSD media) 4KB random write rate~~, ~~Queue Depth=4~~
	*SSD IOPS (IRead) is the ~~sustained~~ (to ~~the SSD media~~) ~~4KB random read rate~~, ~~Queue Depth=4~~
	*50 is the product factor in the calculation

	~~Using~~ this ~~calculation, SSD vRPM rates can be shown~~ to ~~be significantly better than HDD RPM rates~~, ~~particularly in later generation SSDs:~~
	* 2006/7 SSD Generation: 5,~~000 Read IOPS; 10 Write IOPS; 20 PC IOPS; 1000 vRPM~~
	* 2008 SSD Generation: 10,~~000 Read IOPS; 100 Write IOPS; 200 PC IOPS; 10000 vRPM~~
	* 2009 (estimated) SSD Generation: 25,000 Read IOPS; 400 Write IOPS; 785 PC IOPS; 40000 vRPM

	~~==vRPM Adoption In Industry ==~~

	~~Despite its early objectives~~, '~~''vRPM''' has not become broadly supported~~ in the ~~industry~~ and ~~indeed no longer appears on SanDisk's SSD website~~.~~<ref>{{cite web \| url=http://www~~.~~sandisk~~.~~com/business~~-~~solutions/ssd/technical-expertise--metrics \| title=Technical Expertise~~ and ~~Metrics \| publisher=SanDisk Corporation \| date=September 27~~, ~~2011 \| accessdate=2011-09-27 }}~~<~~/ref~~>

	~~== See also ==~~
	*[[Solid-~~state drive]]~~
	*[[~~Hard disk drive]]~~
	*[[Input/Output]]

	~~== Notes ==~~
	~~{{reflist}}~~

	~~== References ==~~
	*{{cite web \| url=http://~~www~~.~~marketwatch.com/news/story/SanDisk-Introduces-ExtremeFFS-New-Flash~~/story.aspx?guid={6096177E-1745-4BFC-9046-AE82E62ABC1F} \| title=SanDisk introduces ExtremeFFS — New flash management system for improving SSD performance and reliability \| publisher=[[MarketWatch\|MarketWatch (The Wall Street Journal Digital Network)]] ~~\| date=November 7~~, ~~2008<!-- 5:50 A~~.M. ~~EST--> \| accessdate=2008-11-07 }}~~

	~~== External links ==~~
	*[http://www.~~sandisk.com/Assets/File/pdf/oem/vRPM%20White%20Note~~.~~pdf vRPM White Note] by SanDisk~~

	~~[[Category:Computer storage devices]]~~

70.35.36.66: corrected page number

2013-04-11T20:53:33Z

corrected page number

← Older revision		Revision as of 22:53, 11 April 2013
Line 1:		Line 1:
	If you are looking for a specific plugin, then you can just search for the name of the plugin. This one is one of the most beneficial features of Word - Press as this feature allows users to define the user roles. Step-4 Testing: It is the foremost important of your Plugin development process. If you need a special plugin for your website , there are thousands of plugins that can be used to meet those needs. By using this method one can see whether the theme has the potential to become popular or not and is their any scope of improvement in the theme. <br><br>		{{multiple issues\|
			{{Orphan\|date=February 2009}}
			{{Tone\|date=April 2010}}
			}}
			{{lowercase}}

	~~Thus~~, it is ~~imperative that you must Hire Word~~ - ~~Press Developers who have the expertise and proficiency in delivering theme integration and customization services~~. ~~Infertility can cause~~ a ~~major setback~~ to the ~~couples due~~ to the ~~inability~~ to ~~conceive. Which is perfect for building~~ a ~~mobile site for business use. You can up your site's rank with~~ the ~~search engines by simply taking a bit~~ of ~~time with your site. Now~~ a ~~days it has since evolved into~~ a ~~fully capable CMS platform which make it~~, the ~~best platform in~~ the ~~world for performing online business~~. ~~<br><br>Saying that, despite~~ the ~~launch~~ of ~~Wordpress Express many months ago, there has still been no sign of a Wordpress video tutorial on offer UNTIL NOW~~. ~~After sending these details, your Word - Press blog will be setup within~~ a ~~few days. You've got invested~~ a ~~great cope of~~ time ~~developing~~ and ~~producing up~~ the ~~topic substance~~. ~~The first thing you need to do~~ is to ~~choose~~ the ~~right web hosting plan~~. ~~Premium vs Customised Word - Press Themes - Premium themes are a lot like customised themes but without~~ the ~~customised price and without~~ the ~~wait~~. ~~<br><br>The next thing I did after installing Wordpress was~~ to ~~find myself a~~ free ~~good-looking Wordpress-theme offering the functionality I was after~~. ~~And~~, ~~make~~ no ~~mistake~~,~~India's Fertility Clinics and IVF specialists are amongst~~ the ~~best in~~ the ~~world~~,~~and have been for some time~~. ~~To do~~ this, ~~you should link your posts to other relevant posts that you've created. If you just want to share some picture and want to use it~~ as ~~a dairy~~, ~~that you want to share with your friends and family members~~, ~~then blogger would be an excellent choice. Word - Press offers constant updated services and products~~, ~~that too, absolutely free~~ of ~~cost.~~ <br><br>~~Someone with a basic knowledge of setting up a website should be able~~ to ~~complete~~ the ~~process~~ in ~~a couple of minutes however even basic users should find they are able~~ to ~~complete the installation~~ in ~~around~~ 20 ~~minutes by following~~ the ~~step by step guide online. Here~~'s ~~a list of some exciting Word - Press features that have created waves in the~~ web ~~development industry~~:. ~~If you enjoyed this post~~ and ~~you would such as to obtain additional info relating to~~ [http://~~cabkit~~.in/~~wordpressbackup679192 wordpress dropbox backup~~] ~~kindly visit our own webpage~~. ~~Word~~ - ~~Press can also be quickly extended however improvement API is not as potent as Joomla's~~. ~~Web developers and newbies alike will have the ability to extend your web site and fit other incredible functions with out having to spend more~~. ~~Press CTRL and the numbers one to six to choose your option~~.		'''vRPM''', or '''virtual Revolutions Per Minute''', is a term for a synthetic [[benchmark (computing)\|measurement of performance]] introduced by [[SanDisk]] for [[Solid-state drive\|solid state drive (SSD)]] storage devices inside client [[personal computer\|PCs]]. vRPM was created to give users a metric to compare SSD performance to the [[Hard disk drive\|hard disk drive (HDD)]] and to other SSDs. It answers the question: "How fast would you have to spin a virtual HDD to achieve the performance of an SSD in a client PC?" It uses a language that users understand, [[RPM]] or Revolutions Per Minute, that is a defacto industry standard to measure the performance of the HDD inside PCs.

			==Comparing SSD vs. HDD Input/Output Operation ==
			The performance of a storage device can be quantified as the number of [[Input/Output]] operations Per Second (IOPS) it achieves. HDD IOPS is proportional to RPM. When a system requests to read/write data randomly from/to a HDD, [[seek time]] and [[rotational latency]] are two HDD activities that significantly reduce HDD IOPS. Seek time is the time it takes to move the HDD head to the correct [[Cylinder (disk drive)\|cylinder]] to begin to receive data. Rotational latency is the time it takes to rotate the HDD platter beneath the head so that the data can be read/written. Rotational latency varies based on the RPM of the HDD.

			[[NAND flash]] is used as the [[non-volatile memory]] inside SSDs.
			It has faster random read than random write performance, since its write performance is delayed by the need to perform [[Garbage collection (computer science)\|garbage collection]] to free space for writing. However, since NAND flash has no moving parts, the SSD achieves much higher IOPS than a HDD.

			For the client PC usage model with approximately a 50:50 read/write ratio, a PC IOPS number can be calculated as follows:

			:<math>PC IOPS (mean)=1/[0.5/SSD IOPS (Iwrite)] + [0.5/SSD IOPS (Iread)]</math>

			Using this equation, the results for client SSD PC performance are as follows:
			* 2006/7 SSD Generation: 5,000 Read IOPS; 10 Write IOPS; 20 PC IOPS
			* 2008 SSD Generation: 10,000 Read IOPS; 100 Write IOPS; 200 PC IOPS
			* 2009 (estimated) SSD Generation: 25,000 Read IOPS; 400 Write IOPS; 785 PC IOPS

			==Converting SSD IOPS Rates into vRPM ==

			The vRPM performance of an SSD can be calculated as follows:

			:<math>vRPM=50/[0.5/SSD IOPS (Iwrite)] + [0.5/SSD IOPS (Iread)]</math>

			where
			*SSD IOPS (IWrite) is the sustained (to the SSD media) 4KB random write rate, Queue Depth=4
			*SSD IOPS (IRead) is the sustained (to the SSD media) 4KB random read rate, Queue Depth=4
			*50 is the product factor in the calculation

			Using this calculation, SSD vRPM rates can be shown to be significantly better than HDD RPM rates, particularly in later generation SSDs:
			* 2006/7 SSD Generation: 5,000 Read IOPS; 10 Write IOPS; 20 PC IOPS; 1000 vRPM
			* 2008 SSD Generation: 10,000 Read IOPS; 100 Write IOPS; 200 PC IOPS; 10000 vRPM
			* 2009 (estimated) SSD Generation: 25,000 Read IOPS; 400 Write IOPS; 785 PC IOPS; 40000 vRPM

			==vRPM Adoption In Industry ==

			Despite its early objectives, '''vRPM''' has not become broadly supported in the industry and indeed no longer appears on SanDisk's SSD website.<ref>{{cite web \| url=http://www.sandisk.com/business-solutions/ssd/technical-expertise--metrics \| title=Technical Expertise and Metrics \| publisher=SanDisk Corporation \| date=September 27, 2011 \| accessdate=2011-09-27 }}</ref>

			== See also ==
			*[[Solid-state drive]]
			*[[Hard disk drive]]
			*[[Input/Output]]

			== Notes ==
			{{reflist}}

			== References ==
			*{{cite web \| url=http://www.marketwatch.com/news/story/SanDisk-Introduces-ExtremeFFS-New-Flash/story.aspx?guid={6096177E-1745-4BFC-9046-AE82E62ABC1F} \| title=SanDisk introduces ExtremeFFS — New flash management system for improving SSD performance and reliability \| publisher=[[MarketWatch\|MarketWatch (The Wall Street Journal Digital Network)]] \| date=November 7, 2008<!-- 5:50 A.M. EST--> \| accessdate=2008-11-07 }}

			== External links ==
			*[http://www.sandisk.com/Assets/File/pdf/oem/vRPM%20White%20Note.pdf vRPM White Note] by SanDisk

			[[Category:Computer storage devices]]

en>Powerslide: corrected title of Dorrie book

2012-07-28T02:05:27Z

corrected title of Dorrie book

New page

If you are looking for a specific plugin, then you can just search for the name of the plugin. This one is one of the most beneficial features of Word - Press as this feature allows users to define the user roles. Step-4 Testing: It is the foremost important of your Plugin development process. If you need a special plugin for your website , there are thousands of plugins that can be used to meet those needs. By using this method one can see whether the theme has the potential to become popular or not and is their any scope of improvement in the theme. 

Thus, it is imperative that you must Hire Word - Press Developers who have the expertise and proficiency in delivering theme integration and customization services. Infertility can cause a major setback to the couples due to the inability to conceive. Which is perfect for building a mobile site for business use. You can up your site's rank with the search engines by simply taking a bit of time with your site. Now a days it has since evolved into a fully capable CMS platform which make it, the best platform in the world for performing online business. Saying that, despite the launch of Wordpress Express many months ago, there has still been no sign of a Wordpress video tutorial on offer UNTIL NOW. After sending these details, your Word - Press blog will be setup within a few days. You've got invested a great cope of time developing and producing up the topic substance. The first thing you need to do is to choose the right web hosting plan. Premium vs Customised Word - Press Themes - Premium themes are a lot like customised themes but without the customised price and without the wait. The next thing I did after installing Wordpress was to find myself a free good-looking Wordpress-theme offering the functionality I was after. And, make no mistake,India's Fertility Clinics and IVF specialists are amongst the best in the world,and have been for some time. To do this, you should link your posts to other relevant posts that you've created. If you just want to share some picture and want to use it as a dairy, that you want to share with your friends and family members, then blogger would be an excellent choice. Word - Press offers constant updated services and products, that too, absolutely free of cost. Someone with a basic knowledge of setting up a website should be able to complete the process in a couple of minutes however even basic users should find they are able to complete the installation in around 20 minutes by following the step by step guide online. Here's a list of some exciting Word - Press features that have created waves in the web development industry:. If you enjoyed this post and you would such as to obtain additional info relating to [http://cabkit.in/wordpressbackup679192 wordpress dropbox backup] kindly visit our own webpage. Word - Press can also be quickly extended however improvement API is not as potent as Joomla's. Web developers and newbies alike will have the ability to extend your web site and fit other incredible functions with out having to spend more. Press CTRL and the numbers one to six to choose your option.