A presentation of Compiler Design on the topic Passes. It include one pass, two pass and multi-pass. It also include comparison between single pass and multi-pass compiler and use cases of both the compiler.
Artificial Intelligence: Introduction, Typical Applications. State Space Search: Depth Bounded
DFS, Depth First Iterative Deepening. Heuristic Search: Heuristic Functions, Best First Search,
Hill Climbing, Variable Neighborhood Descent, Beam Search, Tabu Search. Optimal Search: A
*
algorithm, Iterative Deepening A*
, Recursive Best First Search, Pruning the CLOSED and OPEN
Lists
recognizer for a language, Deterministic finite automata, Non-deterministic finite automata, conversion of NFA to DFA, Regular Expression to NFA, Thomsons Construction
Machine-Independent Optimizations: The Principal Sources of Optimization, Introduction to Data-Flow Analysis, Foundations of Data-Flow Analysis, Constant Propagation, Partial Redundancy Elimination, Loops in Flow Graphs
Artificial Intelligence: Introduction, Typical Applications. State Space Search: Depth Bounded
DFS, Depth First Iterative Deepening. Heuristic Search: Heuristic Functions, Best First Search,
Hill Climbing, Variable Neighborhood Descent, Beam Search, Tabu Search. Optimal Search: A
*
algorithm, Iterative Deepening A*
, Recursive Best First Search, Pruning the CLOSED and OPEN
Lists
recognizer for a language, Deterministic finite automata, Non-deterministic finite automata, conversion of NFA to DFA, Regular Expression to NFA, Thomsons Construction
Machine-Independent Optimizations: The Principal Sources of Optimization, Introduction to Data-Flow Analysis, Foundations of Data-Flow Analysis, Constant Propagation, Partial Redundancy Elimination, Loops in Flow Graphs
Pros and cons of c as a compiler languageAshok Raj
Computer system is made of hardware and software .The hardware understands instructions in the form of electronic charge or binary language in Software programming. So the programs written in High Level Language are fed into a series of tools and OS components to get the desired machine language.This is known as Language Processing System.
Water billing management system project report.pdfKamal Acharya
Our project entitled “Water Billing Management System” aims is to generate Water bill with all the charges and penalty. Manual system that is employed is extremely laborious and quite inadequate. It only makes the process more difficult and hard.
The aim of our project is to develop a system that is meant to partially computerize the work performed in the Water Board like generating monthly Water bill, record of consuming unit of water, store record of the customer and previous unpaid record.
We used HTML/PHP as front end and MYSQL as back end for developing our project. HTML is primarily a visual design environment. We can create a android application by designing the form and that make up the user interface. Adding android application code to the form and the objects such as buttons and text boxes on them and adding any required support code in additional modular.
MySQL is free open source database that facilitates the effective management of the databases by connecting them to the software. It is a stable ,reliable and the powerful solution with the advanced features and advantages which are as follows: Data Security.MySQL is free open source database that facilitates the effective management of the databases by connecting them to the software.
Student information management system project report ii.pdfKamal Acharya
Our project explains about the student management. This project mainly explains the various actions related to student details. This project shows some ease in adding, editing and deleting the student details. It also provides a less time consuming process for viewing, adding, editing and deleting the marks of the students.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
We have compiled the most important slides from each speaker's presentation. This year’s compilation, available for free, captures the key insights and contributions shared during the DfMAy 2024 conference.
NUMERICAL SIMULATIONS OF HEAT AND MASS TRANSFER IN CONDENSING HEAT EXCHANGERS...ssuser7dcef0
Power plants release a large amount of water vapor into the
atmosphere through the stack. The flue gas can be a potential
source for obtaining much needed cooling water for a power
plant. If a power plant could recover and reuse a portion of this
moisture, it could reduce its total cooling water intake
requirement. One of the most practical way to recover water
from flue gas is to use a condensing heat exchanger. The power
plant could also recover latent heat due to condensation as well
as sensible heat due to lowering the flue gas exit temperature.
Additionally, harmful acids released from the stack can be
reduced in a condensing heat exchanger by acid condensation. reduced in a condensing heat exchanger by acid condensation.
Condensation of vapors in flue gas is a complicated
phenomenon since heat and mass transfer of water vapor and
various acids simultaneously occur in the presence of noncondensable
gases such as nitrogen and oxygen. Design of a
condenser depends on the knowledge and understanding of the
heat and mass transfer processes. A computer program for
numerical simulations of water (H2O) and sulfuric acid (H2SO4)
condensation in a flue gas condensing heat exchanger was
developed using MATLAB. Governing equations based on
mass and energy balances for the system were derived to
predict variables such as flue gas exit temperature, cooling
water outlet temperature, mole fraction and condensation rates
of water and sulfuric acid vapors. The equations were solved
using an iterative solution technique with calculations of heat
and mass transfer coefficients and physical properties.
6th International Conference on Machine Learning & Applications (CMLA 2024)ClaraZara1
6th International Conference on Machine Learning & Applications (CMLA 2024) will provide an excellent international forum for sharing knowledge and results in theory, methodology and applications of on Machine Learning & Applications.
Using recycled concrete aggregates (RCA) for pavements is crucial to achieving sustainability. Implementing RCA for new pavement can minimize carbon footprint, conserve natural resources, reduce harmful emissions, and lower life cycle costs. Compared to natural aggregate (NA), RCA pavement has fewer comprehensive studies and sustainability assessments.
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
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2. Agenda
Pass
Single Pass Compiler
Two Pass Compiler
Multi Pass Compiler
Comparisons
Conclusion
3. Pass
• A pass refers to the traversal of a compiler through the entire program.
• Pass is a group of phases implemented together.
• Majorly, there are three types of compilers:
1. Single Pass Compilers
2. Two Pass Compilers
3. Multi Pass Compilers
4. Single Pass Compiler
• When we merge all the phases of compiler
design in a single module, then it is called a single
pass compiler.
• A single pass compiler runs the source code only
one time.
• In single pass Compiler source code directly
transforms into machine code.
• It is also called a "Narrow compiler. It has limited
scope
5. Two Pass Compiler
• A processor that runs through the program to be translated twice is
considered a two-pass compiler.
• First Pass : is refers as
Front End
Analytic Part
Platform Independent
• Second Pass : is refers as
Back End
Synthesis Part
Platform Dependent
Lexical Analysis
Syntax Analysis
Semantic Analysis
Intermediate Code
Generation
Code Optimization
Target Code Generation
6. Multi Pass Compiler
• The multi-pass compiler processes the source code
several times.
• It divided a large program into multiple small programs
and process them. It develops multiple intermediate
codes.
• All of these multi-pass take the output of the previous
phase as an input.
• It is also known as ‘Wide Compiler’. As it can scan every
portion of the program.
7. Comparisons
SINGLE PASS COMPILER
1. Uses more space than multi pass
compilers.
2. Faster than multi pass as there is no
reading and writing of intermediate
files.
3. Less efficient code optimization and
code generation.
4. Example – Pascal & Tiny C
MULTI PASS COMPILER
1. Uses less space than single pass
compilers.
2. Slower than single pass compiler,
due to reading and writing of
intermediate files.
3. Better code optimization and code
generation.
4. Example – Java, GCC
8. Conclusion
If we want to design a compiler for different programming language for same
machine, there is requirement of making Front end/first pass for each of
them and only one Back end/second pass.
If we want to design a compiler for same programming language for different
machine/system, we make different Back end for different Machine/system
and make only one Front end for same programming language.
When the source code is processed, it is scanned and then the token is extracted.
The tree structure is built after analysing the syntax in each line. The code is generated after the semantic part.
This process is repeated for each and every line until the program is compiled.
In first pass the included phases are as Lexical analyzer, syntax analyzer, semantic analyzer, intermediate code generator are work as front end and analytic part means all phases analyze the High level language and convert them three address code and first pass is platform independent because the output of first pass is as three address code which is useful for every system and the requirement is to change the code optimization and code generator phase which are comes to the second pass.
In second Pass the included phases are as Code optimization and Code generator are work as back end and the synthesis part refers to taking input as three address code and convert them into Low level language/assembly language and second pass is platform dependent because final stage of a typical compiler converts the intermediate representation of program into an executable set of instructions which is dependent on the system.