Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
F# High Performance
F# High Performance

F# High Performance: Increase your F# programming productivity and focus on performance optimization with best practices, expert techniques, and more

eBook
€20.98 €29.99
Paperback
€36.99
Subscription
Free Trial
Renews at €18.99p/m

What do you get with Print?

Product feature icon Instant access to your digital eBook copy whilst your Print order is Shipped
Product feature icon Paperback book shipped to your preferred address
Product feature icon Download this book in EPUB and PDF formats
Product feature icon Access this title in our online reader with advanced features
Product feature icon DRM FREE - Read whenever, wherever and however you want
OR
Modal Close icon
Payment Processing...
tick Completed

Shipping Address

Billing Address

Shipping Methods
Table of content icon View table of contents Preview book icon Preview Book

F# High Performance

Chapter 2. Performance Measurement

Performance measurement is often subject to many debates, but we should approach the ways of solving performance problems as straightforwardly as possible while maintaining objective processes. The results must be as objective as they can. To correctly define that a performance optimization is needed or not, we must be able to measure the running code objectively. To ensure the objectiveness of the performance measurement, the result must be visible as quantitative (in numbers) and qualitative by analyzing how the code behaves when it runs, how fast it runs, and how big the code is in memory.

As a rule of thumb, it is easier to analyze quantitatively as data can be seen and compared more directly than when analyzed qualitatively. Understanding how to measure and how to interpret the measurement result can be used as a foundation for deducing the cause of any performance bottlenecks and can be further used in combination with qualitative analytics...

Introduction to the nature of F# code compilation

Before we measure .NET, we need to understand the nature of F# code and the nature of compiling the F# code. Of course, we can just analyze and look at the source code. We can also try to search for any patterns of non-performing code of known bottlenecks, which will be explained in Chapter 3,Optimizing Data Structures and Chapter 7, Language Features and Constructs Optimization.

General overview of F# compiler processes and results

All of the code in F# is compiled into byte codes of the IL assembly (as it's also an assembly language) either by the F# compiler or by using F# in interactive mode (by using FSI). This IL is then run in either Debug mode as Just In Time (JIT) code is further optimized by compiling it in Release mode. Running it in Release mode will yield compiled code to be optimized for .NET native by the Ahead Of Time (AOT) method.

For more information about .NET native, here is the official explanation in the MSDN Library...

Using CLR Profiler 4.5

CLR Profiler is a profiler tool used to profile any compiled PE of .NET. It is free and open source, although it is not available by default in the current installation of .NET and Visual Studio 2015.

A profiler is basically a helper tool to analyze the elements of a running program that relates to performances, such as:

  • Memory consumptions
  • Execution time allocations in terms of classes and modules into smaller elements such as functions and subroutines
  • Examining garbage collections (if the platform has support for garbage collection)

Based on the previous definitions, the CLR Profiler is simply a profiler to examine (or to profile) any application that runs on top of .NET CLR.

There are profilers toolings for .NET, not just CLR Profiler, out there, unfortunately not all the toolings are free. Fortunately, CLR Profiler has complete features to profile .NET application, and it is also free and open source. We can also build our own profiler based on the existing CLR Profiler...

Ways to measure performance quantitatively

There are many ways to measure performances of any running .NET code on top of CLR, including F#. So, any tool used to measure F# code is essentially usable for other programming languages on .NET CLR as well.

Again, the easiest way to objectively measure performance is by using quantitative measurements. The following are some common ways of measuring running codes:

  • Using .NET timers
  • Using native Win32 timer
  • Using Visual Studio Diagnostic
  • Running functions inside unit tests

The previous numbers are ordered from the subtlest and difficult to the quickest way of having statistical timing as performance measurements.

Using .NET timers

There are many timer classes in the .NET Framework but not all of them have a general purpose from the perspective of implementation details and in the context of execution environments.

In the context of execution environments, .NET timers are divided as follows:

  • UI timers (timers that are run on an UI thread)
  • Non-UI timer (timers...

Summary

You learned that you can measure performance quantitatively and qualitatively. Although it is easier to have quantitative measurement than qualitative measurement, it is quite straightforward and common to have quantified data as a foundation to have qualitative analysis.

With the help of .NET tooling ecosystem and libraries available at our disposal, we can ensure the objectiveness of our performance measurement. It is also recommended to have a basic understanding of .NET CLR memory management as our foundation to have performance measurement from the perspective of qualitative analysis.

We will start exploring the aspects of performance optimizations with the knowledge and concept in this chapter, starting from F# data structures in Chapter 3, Optimizing Data Structures.

Left arrow icon Right arrow icon

Key benefits

  • Explore the advanced concurrency support in F# and .NET TPL
  • Covers major optimization techniques in F# to improve the performance of applications
  • Use Struct, Class and Record model, Interop with C# and VB without sacrificing performance.

Description

F# is a functional programming language and is used in enterprise applications that demand high performance. It has its own unique trait: it is a functional programming language and has OOP support at the same time. This book will help you make F# applications run faster with examples you can easily break down and take into your own work. You will be able to assess the performance of the program and identify bottlenecks. Beginning with a gentle overview of concurrency features in F#, you will get to know the advanced topics of concurrency optimizations in F#, such as F# message passing agent of MailboxProcessor and further interoperation with .NET TPL. Based on this knowledge, you will be able to enhance the performance optimizations when implementing and using other F# language features. The book also covers optimization techniques by using F# best practices and F# libraries. You will learn how the concepts of concurrency and parallel programming will help in improving the performance. With this, you would be able to take advantage of multi-core processors and track memory leaks, root causes, and CPU issues. Finally, you will be able to test their applications to achieve scalability.

Who is this book for?

This book is for F# developers who want to build high-performance applications. Knowledge of functional programming would be helpful.

What you will learn

  • Understand how the execution of functions in F# works
  • Identify common performance bottlenecks
  • Implement best practices to optimize performance
  • Use the available tooling to help measure performance
  • Combine the best practice of asynchronous and synchronous
  • Optimize further using various F# language constructs
Estimated delivery fee Deliver to Netherlands

Premium delivery 7 - 10 business days

€17.95
(Includes tracking information)

Product Details

Country selected
Publication date, Length, Edition, Language, ISBN-13
Publication date : Jan 18, 2017
Length: 338 pages
Edition : 1st
Language : English
ISBN-13 : 9781786468079
Vendor :
Microsoft
Category :
Languages :

What do you get with Print?

Product feature icon Instant access to your digital eBook copy whilst your Print order is Shipped
Product feature icon Paperback book shipped to your preferred address
Product feature icon Download this book in EPUB and PDF formats
Product feature icon Access this title in our online reader with advanced features
Product feature icon DRM FREE - Read whenever, wherever and however you want
OR
Modal Close icon
Payment Processing...
tick Completed

Shipping Address

Billing Address

Shipping Methods
Estimated delivery fee Deliver to Netherlands

Premium delivery 7 - 10 business days

€17.95
(Includes tracking information)

Product Details

Publication date : Jan 18, 2017
Length: 338 pages
Edition : 1st
Language : English
ISBN-13 : 9781786468079
Vendor :
Microsoft
Category :
Languages :

Packt Subscriptions

See our plans and pricing
Modal Close icon
€18.99 billed monthly
Feature tick icon Unlimited access to Packt's library of 7,000+ practical books and videos
Feature tick icon Constantly refreshed with 50+ new titles a month
Feature tick icon Exclusive Early access to books as they're written
Feature tick icon Solve problems while you work with advanced search and reference features
Feature tick icon Offline reading on the mobile app
Feature tick icon Simple pricing, no contract
€189.99 billed annually
Feature tick icon Unlimited access to Packt's library of 7,000+ practical books and videos
Feature tick icon Constantly refreshed with 50+ new titles a month
Feature tick icon Exclusive Early access to books as they're written
Feature tick icon Solve problems while you work with advanced search and reference features
Feature tick icon Offline reading on the mobile app
Feature tick icon Choose a DRM-free eBook or Video every month to keep
Feature tick icon PLUS own as many other DRM-free eBooks or Videos as you like for just €5 each
Feature tick icon Exclusive print discounts
€264.99 billed in 18 months
Feature tick icon Unlimited access to Packt's library of 7,000+ practical books and videos
Feature tick icon Constantly refreshed with 50+ new titles a month
Feature tick icon Exclusive Early access to books as they're written
Feature tick icon Solve problems while you work with advanced search and reference features
Feature tick icon Offline reading on the mobile app
Feature tick icon Choose a DRM-free eBook or Video every month to keep
Feature tick icon PLUS own as many other DRM-free eBooks or Videos as you like for just €5 each
Feature tick icon Exclusive print discounts

Frequently bought together


Stars icon
Total 110.97
Mastering F#
€36.99
F# 4.0 Design Patterns
€36.99
F# High Performance
€36.99
Total 110.97 Stars icon
Banner background image

Table of Contents

8 Chapters
1. Performing Common Optimizations in F# Chevron down icon Chevron up icon
2. Performance Measurement Chevron down icon Chevron up icon
3. Optimizing Data Structures Chevron down icon Chevron up icon
4. Introduction to Concurrency in F# Chevron down icon Chevron up icon
5. Advanced Concurrency Support in F# Chevron down icon Chevron up icon
6. Optimizing Type Provider Chevron down icon Chevron up icon
7. Language Features and Constructs Optimization Chevron down icon Chevron up icon
8. Optimizing Computation Expressions Chevron down icon Chevron up icon

Customer reviews

Rating distribution
Full star icon Full star icon Full star icon Full star icon Full star icon 5
(1 Ratings)
5 star 100%
4 star 0%
3 star 0%
2 star 0%
1 star 0%
Musa Mar 12, 2021
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Steps into Assembly language exposure to abstract functional language F#. Steps up to illustrate by building Message Queues, Computation Expressions, Type Providers,, with examples. CE example builds WPF window with panel & buttons etc from within F# syntax . F# pronounced F Sharp has a shorter cleaner syntax to other functional languages such as Haskel, Scala, functional-Java or Python today ~ an order shorter & faster approx. This may be 1 of 5 better books on f# others may be by Scott Wlaschin,... other are terse but tackled Hilbert curves, hardware BDD topics as Hansen-Rischel, Don Syme,
Amazon Verified review Amazon
Get free access to Packt library with over 7500+ books and video courses for 7 days!
Start Free Trial

FAQs

What is the delivery time and cost of print book? Chevron down icon Chevron up icon

Shipping Details

USA:

'

Economy: Delivery to most addresses in the US within 10-15 business days

Premium: Trackable Delivery to most addresses in the US within 3-8 business days

UK:

Economy: Delivery to most addresses in the U.K. within 7-9 business days.
Shipments are not trackable

Premium: Trackable delivery to most addresses in the U.K. within 3-4 business days!
Add one extra business day for deliveries to Northern Ireland and Scottish Highlands and islands

EU:

Premium: Trackable delivery to most EU destinations within 4-9 business days.

Australia:

Economy: Can deliver to P. O. Boxes and private residences.
Trackable service with delivery to addresses in Australia only.
Delivery time ranges from 7-9 business days for VIC and 8-10 business days for Interstate metro
Delivery time is up to 15 business days for remote areas of WA, NT & QLD.

Premium: Delivery to addresses in Australia only
Trackable delivery to most P. O. Boxes and private residences in Australia within 4-5 days based on the distance to a destination following dispatch.

India:

Premium: Delivery to most Indian addresses within 5-6 business days

Rest of the World:

Premium: Countries in the American continent: Trackable delivery to most countries within 4-7 business days

Asia:

Premium: Delivery to most Asian addresses within 5-9 business days

Disclaimer:
All orders received before 5 PM U.K time would start printing from the next business day. So the estimated delivery times start from the next day as well. Orders received after 5 PM U.K time (in our internal systems) on a business day or anytime on the weekend will begin printing the second to next business day. For example, an order placed at 11 AM today will begin printing tomorrow, whereas an order placed at 9 PM tonight will begin printing the day after tomorrow.


Unfortunately, due to several restrictions, we are unable to ship to the following countries:

  1. Afghanistan
  2. American Samoa
  3. Belarus
  4. Brunei Darussalam
  5. Central African Republic
  6. The Democratic Republic of Congo
  7. Eritrea
  8. Guinea-bissau
  9. Iran
  10. Lebanon
  11. Libiya Arab Jamahriya
  12. Somalia
  13. Sudan
  14. Russian Federation
  15. Syrian Arab Republic
  16. Ukraine
  17. Venezuela
What is custom duty/charge? Chevron down icon Chevron up icon

Customs duty are charges levied on goods when they cross international borders. It is a tax that is imposed on imported goods. These duties are charged by special authorities and bodies created by local governments and are meant to protect local industries, economies, and businesses.

Do I have to pay customs charges for the print book order? Chevron down icon Chevron up icon

The orders shipped to the countries that are listed under EU27 will not bear custom charges. They are paid by Packt as part of the order.

List of EU27 countries: www.gov.uk/eu-eea:

A custom duty or localized taxes may be applicable on the shipment and would be charged by the recipient country outside of the EU27 which should be paid by the customer and these duties are not included in the shipping charges been charged on the order.

How do I know my custom duty charges? Chevron down icon Chevron up icon

The amount of duty payable varies greatly depending on the imported goods, the country of origin and several other factors like the total invoice amount or dimensions like weight, and other such criteria applicable in your country.

For example:

  • If you live in Mexico, and the declared value of your ordered items is over $ 50, for you to receive a package, you will have to pay additional import tax of 19% which will be $ 9.50 to the courier service.
  • Whereas if you live in Turkey, and the declared value of your ordered items is over € 22, for you to receive a package, you will have to pay additional import tax of 18% which will be € 3.96 to the courier service.
How can I cancel my order? Chevron down icon Chevron up icon

Cancellation Policy for Published Printed Books:

You can cancel any order within 1 hour of placing the order. Simply contact [email protected] with your order details or payment transaction id. If your order has already started the shipment process, we will do our best to stop it. However, if it is already on the way to you then when you receive it, you can contact us at [email protected] using the returns and refund process.

Please understand that Packt Publishing cannot provide refunds or cancel any order except for the cases described in our Return Policy (i.e. Packt Publishing agrees to replace your printed book because it arrives damaged or material defect in book), Packt Publishing will not accept returns.

What is your returns and refunds policy? Chevron down icon Chevron up icon

Return Policy:

We want you to be happy with your purchase from Packtpub.com. We will not hassle you with returning print books to us. If the print book you receive from us is incorrect, damaged, doesn't work or is unacceptably late, please contact Customer Relations Team on [email protected] with the order number and issue details as explained below:

  1. If you ordered (eBook, Video or Print Book) incorrectly or accidentally, please contact Customer Relations Team on [email protected] within one hour of placing the order and we will replace/refund you the item cost.
  2. Sadly, if your eBook or Video file is faulty or a fault occurs during the eBook or Video being made available to you, i.e. during download then you should contact Customer Relations Team within 14 days of purchase on [email protected] who will be able to resolve this issue for you.
  3. You will have a choice of replacement or refund of the problem items.(damaged, defective or incorrect)
  4. Once Customer Care Team confirms that you will be refunded, you should receive the refund within 10 to 12 working days.
  5. If you are only requesting a refund of one book from a multiple order, then we will refund you the appropriate single item.
  6. Where the items were shipped under a free shipping offer, there will be no shipping costs to refund.

On the off chance your printed book arrives damaged, with book material defect, contact our Customer Relation Team on [email protected] within 14 days of receipt of the book with appropriate evidence of damage and we will work with you to secure a replacement copy, if necessary. Please note that each printed book you order from us is individually made by Packt's professional book-printing partner which is on a print-on-demand basis.

What tax is charged? Chevron down icon Chevron up icon

Currently, no tax is charged on the purchase of any print book (subject to change based on the laws and regulations). A localized VAT fee is charged only to our European and UK customers on eBooks, Video and subscriptions that they buy. GST is charged to Indian customers for eBooks and video purchases.

What payment methods can I use? Chevron down icon Chevron up icon

You can pay with the following card types:

  1. Visa Debit
  2. Visa Credit
  3. MasterCard
  4. PayPal
What is the delivery time and cost of print books? Chevron down icon Chevron up icon

Shipping Details

USA:

'

Economy: Delivery to most addresses in the US within 10-15 business days

Premium: Trackable Delivery to most addresses in the US within 3-8 business days

UK:

Economy: Delivery to most addresses in the U.K. within 7-9 business days.
Shipments are not trackable

Premium: Trackable delivery to most addresses in the U.K. within 3-4 business days!
Add one extra business day for deliveries to Northern Ireland and Scottish Highlands and islands

EU:

Premium: Trackable delivery to most EU destinations within 4-9 business days.

Australia:

Economy: Can deliver to P. O. Boxes and private residences.
Trackable service with delivery to addresses in Australia only.
Delivery time ranges from 7-9 business days for VIC and 8-10 business days for Interstate metro
Delivery time is up to 15 business days for remote areas of WA, NT & QLD.

Premium: Delivery to addresses in Australia only
Trackable delivery to most P. O. Boxes and private residences in Australia within 4-5 days based on the distance to a destination following dispatch.

India:

Premium: Delivery to most Indian addresses within 5-6 business days

Rest of the World:

Premium: Countries in the American continent: Trackable delivery to most countries within 4-7 business days

Asia:

Premium: Delivery to most Asian addresses within 5-9 business days

Disclaimer:
All orders received before 5 PM U.K time would start printing from the next business day. So the estimated delivery times start from the next day as well. Orders received after 5 PM U.K time (in our internal systems) on a business day or anytime on the weekend will begin printing the second to next business day. For example, an order placed at 11 AM today will begin printing tomorrow, whereas an order placed at 9 PM tonight will begin printing the day after tomorrow.


Unfortunately, due to several restrictions, we are unable to ship to the following countries:

  1. Afghanistan
  2. American Samoa
  3. Belarus
  4. Brunei Darussalam
  5. Central African Republic
  6. The Democratic Republic of Congo
  7. Eritrea
  8. Guinea-bissau
  9. Iran
  10. Lebanon
  11. Libiya Arab Jamahriya
  12. Somalia
  13. Sudan
  14. Russian Federation
  15. Syrian Arab Republic
  16. Ukraine
  17. Venezuela