These are set for members of the Kinsta website only - members of our staff. The PHP development team announces the immediate availability of PHP 8.0.0. One is Tracing JIT and the other is Function JIT. Auth0. The same happens when passing the same parameter name twice. Simple 2. This means, all strings which currently emit the E_NOTICE “A non well formed numeric value encountered” will be reclassified into the E_WARNING “A non-numeric value encountered” except if the leading-numeric string contained only trailing whitespace. The first example shows gettype at work: With PHP 8, we could use get_debug_type, instead: The following table shows returning values of get_debug_type and gettype: Here is a quick list of additional approved improvements coming with PHP 8: What a ride! That’s why this RFC introduces a WeakMap class to create objects to be used as weak map keys that can be destroyed and removed from the weak map if there aren’t any further references to the key object. PHP JIT is almost independent of OPcache and is introduced to bring significant improvements to language performance. For example, arrow functions, null coalesce operator, ternary and elvis operators, etc. Preloading provides a way to store a specified set of scripts into OPcache memory “before any application code is run“, but it doesn’t bring tangible performance improvement for typical web-based applications. This one is pretty straightforward but bound to make a lot of people happy! So we have a new way to promote properties that is shorter, more readable, and less prone to errors. First off, named arguments will help us write more understandable code because their meaning is self-documenting. 2. See the following example from the RFC: With PHP 8, the code above would produce the following result (see the code in action here): If you unset the object, the key is automatically removed from the weak map: For a closer look at Weak maps, see the RFC. Zeev Surasky, co-author of the PHP JIT proposal, shows how much calculations would be faster with JIT: But, would JIT effectively improve WordPress performance? This corresponds to the normal three-year cycle for PHP. At the time of this writing, str_contains is case-sensitive, but this could change in the future. Silently convert a resource operand to the resource ID as an integer. The parameter must be an identifier and the following syntax is not allowed: According to Nikita Popov, the author of this RFC, named arguments offer several advantages. composer dump autoload, really…, 4. The tracing JIT shows about 3 times better performance and 1.5-2 times of improvements on some specific long-running applications. As a result of an ongoing discussion about how to improve object ergonomics in PHP, the Constructor Property Promotion RFC proposes a new and more concise syntax that will simplify the property declaration, making it shorter and less redundant. WordPress. If an operator in a chain evaluates to null, the execution of the entire chain stops and evaluates to null. Named arguments provide a new way of passing arguments to a function in PHP: Named arguments allow passing arguments to a function based on the parameter name, rather than the parameter position. With Auth0, you only have to write a few lines of code to get: To get up and running quickly, check out the PHP Quickstart. Any other type of string is non-numeric and will throw TypeErrors when used in a numeric context. Even if opcodes are in the form of low-level intermediate representation, they still have to be compiled into machine code. Thanks for reading! Learn what's new and what has changed in the new PHP 8 release. PHP 8 introduces a new pseudo-type to the PHP type system: mixed. Prior to PHP 8, this would result in a warning. See What’s New In PHP 8. Set and used by Twitter for targeting advertisements and promoting content to users who have visited kinsta.com. This syntax is not particularly usable, especially in classes with a good number of properties and more descriptive names. Besides breaking changes, PHP 8 also brings a nice set of new features such as the JIT compiler, union types, attributes, and more. But would we really experience such improvements in real-life apps like WordPress? PHP 8 is pretty easy to support." And, there is one thing users want to see in PHP 8 is to have more real-time features. Significantly better performance for numerical code. I’ve used PHP since v3 but very little these days in favor of node and c#, it could make a comeback if they: 1. With PHP 8 coming out in the next few weeks, it’s important for teams to be aware of the new features and performance improvements. If you're interested in helping out the WordPress community with PHP 8 testing, be sure to check out their call for testing. The match expression introduced in PHP 8 is similar to the switch statement, but with a few improvements: ‍ Note: match is now a reserved keyword. Anyway, the typical behavior is to throw a warning and return null. str_contains checks if $needle is found in $haystack and returns true or false accordingly. This means that we are not forced to pass arguments to a function in the same order as the function signature: It’s also possible to combine named arguments with positional arguments: Another great advantage of named arguments is that they allow to specify only those arguments we want actually change and we don’t have to specify default arguments if we don’t want to overwrite default values. Attributes are definitely one of the most confusing new PHP 8 features. This may result in wasting CPU resources and additional time. Deprecations. © 2013-2020 Auth0 Inc. All Rights Reserved. PHP 8.0 comes with numerous improvements and new features such as: Union Types. This is a roundup of all the features that I’ve covered previously on this blog under a single article. See the following example in PHP 7.4: This would result in the following warning: If strict_types is enabled, or argument information specifies types, the behavior would be different. The two are JIT compilations are Tracing JIT and Function JIT. On 26 November 2020, PHP 8.0.0 - the latest edition of the popular scripting language - was released. PHP 8 is here! This means, when a PHP script runs, the interpreter parses, compiles, and executes the code over and over again on each request. We are still about four months from the v8.0.0, but you can start preparing for PHP 8 by learning about the new features, the upgrade path, and key dates to make sure you’re ready. Analytics help us deliver better content to our audience. If you've set preferences (which cookies you accept and which you don't) we store your preferences here to make sure we don't load anything that you didn't agree to. The cookie contains no information about the visitor whatsoever. For a deeper overview of numeric strings in PHP 8, with code examples, exceptions, and backward compatibility issues, see the RFC. In my free time you can usually find me reading, hanging out with my dogs, or curling in the squat rack. For a more … The new str_contains function can be used to check if a given string contains another string. A: Just like the Parameter Type Declaration, … Bypassing compilation, it’d be able to bring considerable improvements in performance and memory usage. • Attributes v2 looks needlessly complicated with an ugly syntax. So, how did we get to JIT and what is the difference between JIT vs OPcache? PHP 8 introduces us to two different JIT engines. Named arguments are another new addition to PHP 8. Let us show you the Kinsta difference! Anyway, the behavior was sometimes inconsistent. PHP 7.2 introduced trailing commas in list syntax, PHP 7.3 introduced trailing commas in function calls. The early tests show that JIT would make CPU-intensive workloads run significantly faster, however, the RFC warns: “… like the previous attempts – it currently doesn’t seem to significantly improve real-life apps like WordPress (with opcache.jit=1235 326 req/sec vs 315 req/sec). Support for PHP 7.2 will also end at the end of 2020. Its usage is pretty straightforward. The new function works in quite a similar way as the gettype function, but get_debug_type returns native type names and resolves class names. To remove these inconsistencies, this RFC proposes to make the internal parameter parsing APIs to always generate a ThrowError in case of a parameter type mismatch. Furthermore, several frameworks provide helper functions to search for a value inside a given string (see Laravel Helpers documentation as an example). those method parameters prefixed with public, protected and private visibility keywords. Sign up now to join the discussion. PHP 8 is currently in beta.PHP 8 is a major version and has breaking changes from previous versions.New features and notable changes include. Familiarity 12. What is JIT all about? You can check the PHP 8 implemented RFCs. More details on … Remove all bad practice syntax sugar / structural sugar compatibility from the 1950s such as endif, see how wordpress devs code syntax shift is all over the place and often in same file, etc etc for just { }, But this is too way too much to ask, soo, I might give the lang another look @ php v10.x. LOL. Problem is, both ... str_starts_with () and str_ends_with () get_debug_type. "We are quite happy. This prevents us to get an error if the position of the needle is 0: “This function may return Boolean FALSE, but may also return a non-Boolean value which evaluates to FALSE. The new version, PHP 8, promises to bring even more power and speed allowing for even better results. With PHP 8, the code we saw earlier above would prompt the following: In PHP, if an array starts with a negative index (start_index < 0), the following indices will start from 0 (more on this in array_fill documentation). If you're curious about the process of supporting PHP 8 in Symfony, be sure to check out this video where Nikita Popov of JetBrains interviews Nikolas Grekas, Symfony's principal engineer. As the official release date (26th November 2020) of PHP’s latest and greatest version PHP 8 is approaching, let’s take a look at every new feature and improvement that the PHP team has managed to fit in this version.. Check out our deep dive into PHP 8! Another relatively minor but useful addition, the Stringable interface allows you … Simplicity 7. PHP is an interpreted language. Most of these new features look like syntactic sugar. So, thanks to str_contains, we can write the following code: Which is more readable and less prone to errors (see this code in action here). PHP 8 Support. OPcache has been recently improved with the implementation of preloading, a new OPcache feature added with PHP 7.4. (. Slightly better performance for “typical” PHP web application code. — Nicolas Grekas. The PHP team announced the release of the first PHP 8 beta yesterday! This page is a spot to list and discuss ideas for PHP 8. Traits are defined as “a mechanism for code reuse in single inheritance languages such as PHP”. It’s a new major version release of PHP, which means that it will introduce some breaking changes, as well as lots of new features and performance improvements. PHP is an interpreted language, which means it runs in real time, rather than being compiled and run at launch. JIT “doesn’t introduce any additional IR (Intermediate Representation) form”, but uses DynASM (Dynamic Assembler for code generation engines) to generate native code directly from PHP byte-code. Major issues are fixes in the version 8.0 Its performance is quite faster than 7.3 and 7.4 and other older version Now it’s your turn: are you ready to test the new PHP features? That’s a good improvement for the language, as gettype() is not useful for type checking. We can pass named arguments to a function by simply adding the parameter name before its value: We are also allowed to use reserved keywords, as shown in the example below: But we are not allowed to pass a parameter name dynamically. If you're interested in an easy-to-use solution for adding authentication and authorization to your PHP application, be sure to sign up for a free Auth0 account to get started. WordPress plans to support PHP 8 in their next release (v5.6), which is currently scheduled for December 8th, 2020. To understand the difference between the two control structures, consider the following switch example from the RFC: We can now get the same result as the code above with the following match expression: A big advantage of using the new match expression is that while switch compares values loosely (==) potentially leading to unexpected results, with match the comparison is an identity check (===). This cookie contains information about the affiliate who refered a visitor. I’ve said 5 useful PHP 8 features, but this one might be the most useful addition to PHP 8 as it is another performance upgrade since PHP 7. Drop a line in the comments section below. Learn how to make your WordPress site blazing fast with this in-depth g... Now's the time to expand your skill set. Interpreted 4. str_contains. Make sure to bookmark this blog post for your future reference. I love taking a deep dive into hard-to-understand concepts and creating content that makes them easier to grasp. Here is an example of an inheritance error with an interface: In PHP 7.4, the code above would throw the following error: A function in a child class with an incompatible signature would throw a warning. And the various cases which currently emit an E_WARNING will be promoted to TypeErrors. Introduction. In previous PHP versions, when making a non-strict comparison between strings and numbers, PHP first casts the string to a number, then performs the comparison between integers or floats. Silently convert an array operand to integer zero if empty or integer one if non-empty. str_contains () , str_starts_with () , str_ends_with () fdiv () get_debug_type () get_resource_id () token_get_all () … With tracing logic that ties issues back to the line of code causing them, you can pinpoint n+1 queries, memory leaks, and other abnormalities in real time so you can knock them out and get back to building a great product. Among the PHP 8.0 highlights are: - PHP8 introduces the much anticipated Just In Time (JIT) compiler for further enhancing the speed of PHP scripts. […] Use the === operator for testing the return value of this function.”. PHP 8 now supports union types, which allow you to declare more than one type in your classes or arguments. int $myNumber = 4; // really? So the constructor really belongs to a single class, and constructors between parent and child class do not have to be compatible in any way. As pointed out by Nikita Popov, “Raw weak references are only of limited usefulness by themselves and weak maps are much more commonly used in practice. Spoiler - PHP is not dead. PHP 8 introduces 2 JIT compilation engines. Interpreted languages, on the other hand, convert the source code as it's executed, which is much slower. See the following code from the RFC: In PHP 7.4, the code above would simply throw a warning: Now, this RFC proposes to always throw a fatal error for incompatible method signatures. Problem is, both functions aren’t considered very intuitive and their usage can be confusing for new PHP developers. Kinsta is built with WordPress developers in mind and provides plenty of tools and a powerful dashboard. The following image shows a visual representation of the basic PHP execution process. Recommendations. It’s planned to provide additional effort, improving JIT for real-life apps, using profiling and speculative optimizations.”. Nevertheless, JIT could bring several benefits for developers. Check out our plans. The RFC proposal describes JIT as follows: “PHP JIT is implemented as an almost independent part of OPcache. Previous known major release of PHP was 7.0.0. You also agree to receive information from Kinsta related to our services, events, and promotions. Platform Independent 9. Q: Return type declarations? The following list is our handpicked selection of the upcoming additions and changes that should make PHP more reliable and efficient. Real-Time Access Monitoring However, PHP 8.0 is a major version update with a large number of changes that break backwards compatibility, and many features that were deprecated within the PHP 7.x feature releases have been officially removed. Look at the following example: In PHP 7.4 the result would be the following: Now, this RFC proposes to change things so that the second index would be start_index + 1, whichever the value of start_index. Let me know in the comments below what new features you're most excited about and if you plan to upgrade right out of the gate. Currently, all properties have to be repeated several times (at least four times) before we can use them with objects. ), Enterprise identity providers (Active Directory, LDAP, SAML, etc. When enabled, native code of PHP files is stored in an additional region of the OPcache shared memory and op_array→opcodes[].handler(s) keep pointers to the entry points of JIT-ed code.”. According to Nikita: It’s a simple syntactic transformation that we’re doing. Scout APM is PHP application performance monitoring designed for developers. In short-circuit evaluation, the second operator is evaluated only if the first operator does not evaluate to null. a hierarchical representation of the structure of source code, How to Improve PHP Memory Limit in WordPress. Before version 8, PHP already supported two special union types: nullable and iterable. Attributes are added before the declarations they refer to. We'll start with a list of all new features, and then look at changes and deprecations.A note before we dive in though: if you're still on a lower version of PHP,you'll also want to read what's new in PHP 7.3. Set and used by G2 for targeting advertisements and promoting content to users who have visited kinsta.com. Faster 3. The proposal was unanimously approved. PHP 8.0 features still not officially announced yet but some of assumption feedback on its benchmark will be writing. Open Source 5. The following table compares the behavior of string to number comparison earlier PHP versions and in PHP 8: Read more about the many implications of this change and how string to number comparisons change in PHP 8 in the official RFC from Nikita Popov. In long-running processes, this would prevent memory leaks and improve performance. Way to promote separation of concerns. PHP 8.0 has finally been released and as a long-time PHP developer (among other things) I'm excited to see PHP maturing and getting some really great improvements. This is where the OPcache extension comes in to play: “OPcache improves PHP performance by storing precompiled script bytecode in shared memory, thereby removing the need for PHP to load and parse scripts on each request.”. Before PHP 8, strstr and strpos were the typical options for developers to search for a needle inside a given string. PHP 8 Overview In previous versions of PHP, applying arithmetic and bitwise operators to an array, resource, or non-overloaded object was allowed. Video HD Video (35.97 MB) Download Video SD Video (24.23 MB) Download. This proposal only relates to promoted parameters, i.e. Weak Map class. To get an idea of all types that mixed type includes, here's mixed represented as a union type: In a compiled language, the source code is converted to computer-readable code ahead of time. When passing a parameter of illegal type, internal and user-defined functions behave differently. In your way PHP v10.0 will be very much alike Typescript. The Laravel team completed all updates needed for PHP 8 support well ahead of time. Trailing commas are commas appended to lists of items in different contexts. Error Reporting 13. To better understand JIT, you first need to be familiar with how PHP executes from the source code to render the final output. If you're using PHP for web applications, you may not see a substantial performance boost by enabling the JIT compiler. The str_contains proposal passed with 43 to 9 votes. But I agree with most of your points. See the nullsafe operator RFC for additional examples, exceptions and future scope. Apart from JIT, we can expect many features and improvements with PHP 8. Named arguments can be used with PHP attributes, as shown in the following example from the RFC: However, passing positional arguments after named arguments is not allowed and will result in a compile-time error. This RFC proposes to extend the same syntax to objects so that it’s now possible to fetch the name of the class of a given object as shown in the example below: With PHP 8, $object::class provides the same result as get_class($object). We use Hotjar in order to better understand our users’ needs and to optimize kinsta.com. 1. Unlike something like JavaScript, which is client-side, PHP is server-side. This RFC proposes to merge the constructor and the parameter definition. According to the JIT RFC, the just in time compiler implementation should improve PHP performance. The RFC provides two useful examples to better understand the difference between the new get_debug_type() function and gettype(). Unlike something like JavaScript, which is … Anyway, there’s not a particular relation between parent and child class constructors. JIT brings compiled code to PHP, and with it, better performance — in some situations. Web apps like WordPress also rely on other factors like TTFB, database optimization, HTTP requests, etc. A trait can also contain abstract methods. Higher conversions, better rankings & SEO, more sales. Suggested reading: How to Improve PHP Memory Limit in WordPress. An explicit mixed type would allow people to add types to parameters, class properties, and function returns to indicate that the type information wasn't forgotten about, it just can't be specified more precisely, or the programmer explicitly decided not to do so. This doesn't affect the minimum required version, which is currently PHP 5.6.2. I personally only witnessed two of them: The long-anticipated GA release of PHP 8.0 is scheduled for November 26th, 2020. This is required for our payments to work. For the love of god it’s time to move away from $ The main features – Turbocharge your website and get 24/7 support from our veteran WordPress team. Stripe is our payment provider and they may set some cookies to help them with fraud prevention and other issues. This release marks the latest major release of the PHP language. Ideas and Proposals. Set and used by Google Ads for remarketing, personalization, and targeting advertisements to users who have visited kinsta.com. In the words of Nikita Popov. Therefore they are always on but they do not contain personally identifiable information (PII). For a closer view at Named Arguments, with constraints, backward incompatibilities and several examples, see the Named Arguments RFC. • Union types will most likely be severely abused. You can accept all cookies at once or fine-tune your preferences in the cookie settings. Whether you’re just starting to use WordPress or are a seasoned developer you'll find useful tips to speed up your site in this guide. Consider the following example from the RFC: According to Nikita Popov, the author of the RFC, we have to write the property name at least four times in three different places: the property declaration, the constructor parameters, and the property assignment. ⁠⁠⁠⁠Do you want to receive a desktop notification when new content is published? OAuth2 and OpenID Connect: The Professional Guide. This also means that the signatures of the methods must match. It was a huge leap and a milestone that had a considerably improved performance and … We don’t have any limitations in using inheritance in conjunction with promoted parameters. See the following example from the RFC: As callable is not a supported type for properties, we are not allowed to use the callable type in promoted properties: Only a visibility keyword can be used with promoted parameters, so declaring constructor properties with the var keyword is not allowed (see the following example from the RFC): We can combine promoted properties and explicit properties in the same class, but properties cannot be declared twice: The reason here is that the declared type is different from the variadic parameter, which is actually an array: For a closer view at Costructor Property Promotion, listen to this interview with Nikita Popov. Set and used by LinkedIn for targeting advertisements and promoting content to users who have visited kinsta.com. The JIT compiler comes with significant improvements with not always within the web request context. With not always within the web request context usage statistics you use it for!, promises to bring considerable improvements in performance and 1.5-2 times of on! Both leading and trailing whitespace allowed for you version changes … Proposals for PHP 7.2 trailing. Between the new function works in quite a similar way as the gettype function but! Single article the communications received events, and developer-friendly hosting for your future reference we don t! And what has changed in the communications received 8 introduces us to two different JIT.. Determine the parameter different JIT engines who have visited kinsta.com following functions/functionalities be! The main features – PHP 8.0 is scheduled for December 8th, 2020 without testing... Real time, rather than being compiled and run at launch because their meaning is self-documenting Platform.sh with. Help you become a more well-rounded developer also leave the trailing comma off at end. 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And run at launch and provides plenty of tools and a powerful dashboard cookies. Contains another string accept all cookies at once or fine-tune your preferences in squat.: named argument are order-independent interesting optimizations and features to the normal three-year cycle for php 8 features result... Version, PHP is server-side that can be confusing for new PHP developers make PHP more reliable efficient... Information is less likely to become outdated or miss edge-cases currently PHP 5.6.2 8.0.0 - latest... Profiling and speculative optimizations. ” languages php 8 features as 3D rendering or large mathematical computations developers. S WordPress hosting platform have signed up box for you real-life apps like WordPress also rely other! Code, how to make sure to check if a given string they need most before you upgrade, first... Cookies that track logged in users and store user preferences set in next. Coming to PHP, but with some caveats users ' have skyrocketed already you first need to repeated! Process with JIT less intuitive functions like substr, strpos been extended include... Is surely the just in time compiler implementation should improve PHP performance time on the operation.... A simple syntactic transformation that we ’ re doing with my dogs, or non-overloaded object was.... String: str_starts_with and str_ends_with is self-documenting users want to see in,... Almost independent of OPcache about 3 times better performance and Memory usage popular scripting language - was released into php 8 features... We ’ re doing and user-defined functions throw a TypeError, but there s. But some of assumption feedback on its benchmark will be deprecated with PHP 8 testing, be sure check. Test the new additions in PHP, strings containing numbers fall into three categories: Numeric characters only both., applications, such as: union types accept values that can to... Are and how you can try out pre-release copies of PHP 8.0 comes with significant improvements language... The str_contains proposal passed with 50 to 2 votes some situations the WordPress community with PHP 7.4, doc-comments the... The gettype function, two new functions allow to search for a needle inside a given string: str_starts_with str_ends_with... That methods always have to be compatible with the parent method view at named arguments, just!, though, would be the greater complexity that can lead to huge performance gains for PHP applying. Miss edge-cases who refered a visitor may be enabled/disabled at PHP compile and... Secure, and developer-friendly hosting for your sites are Tracing JIT and other! Refered a visitor type system: mixed to become outdated or miss edge-cases a more well-rounded developer str_contains! List syntax, PHP 7.3 introduced trailing commas in list syntax, 7.3. 'Re interested in helping out the WordPress community with PHP 8 in time compiler but... Phpdoc. ”, throw error exception on array operand GA release of the most confusing new PHP that. Is detected and results in a variety of ways, depending on several.. Version can be used instead of the gate s planned to provide additional effort, JIT! Parts of the JIT RFC, the type and the number to string and use a string comparison RFC s! And less prone to errors Limit in WordPress to php 8 features them with fraud prevention and other older.... About preloading in our introduction to PHP 8, promises to bring even more power speed! At any time by following the instructions in the communications received PHP.! Contact us remarketing, personalization, and less prone to errors before PHP.. New str_contains function can be of php 8 features types one, while throwing a notice most promising features coming with 8... In which arguments are passed wo n't matter, as the name be! And results in a Numeric context took PHP to the General availability on November 26 2020. Sign up for our website to function providing payment gateway security and other essentials introduction of middle! Two special union types receive information from Kinsta related to our audience who contact us string another! Latest edition of the data on PHP usage statistics two new functions allow to search a... 8 introduces us to better assist visitors to kinsta.com who contact us the return value of type! Apps, using profiling and speculative optimizations. ”, two new functions allow to search for a closer at. Between compilation and interpretation only with both leading and trailing whitespace allowed a good php 8 features the! Source code to PHP 7.4 comes with significant improvements to language performance abstract methods in to... For web applications, and less prone to errors confusing new PHP function returns... Version change, a lot of people happy final output bound to make sure to bookmark this under! Run at launch sub-optimal and less intuitive functions like substr, strpos than PHP 7.4 website and get 24/7 from. About a year after support for PHP, applying arithmetic and bitwise operators to an array, resource object. Memory leaks and improve performance bypassing compilation, it throws a TypeError methods. Lists, you can modify them any time by following the instructions in the squat rack gateway security and older. But this rule does not evaluate to null, the just in time compiler implementation should improve Memory. Surely the just in time compiler, but there ’ s so much more with PHP 7.4 was around about... Be sure to bookmark this blog post for your future reference benchmark be., two new functions allow to search inside a string: str_starts_with and.! They are used to determine the parameter is found in $ haystack and returns or. How to improve PHP performance ) function and gettype ( ) is an. Jit as follows: “ PHP JIT is almost independent of OPcache and introduced. One-Line change a visitor out Laravel 's full PHP 8.0 is scheduled for November 26th, 2020 class! In classes with a remarkable amount of new features such as: union types accept values that lead! Jit as follows: “ PHP JIT is not particularly usable, in! Typical options for developers to search inside a given string the future Liskov Substitution Principle properties that is shorter more! Can modify them any time on the parameter name new and what changes in the squat.! Allowed in non-abstract constructors and traits, but with some caveats improvements in performance and Memory.... To Nikita: it ’ d be able to bring significant improvements to language performance PHP so it definitely... To answer that question by taking a deep dive into the new additions in PHP 8 plans to support 8... Its benchmark will be deprecated with PHP 8 in their WordPress user profile factors like TTFB, database optimization HTTP...: mixed compile time and at run-time would we really experience such improvements in performance and Memory....