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belady.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>OS Virtual Lab</title>
<link rel="stylesheet" href="css/bootstrap.css" type="text/css">
<link href="https://fonts.googleapis.com/css2?family=Roboto+Slab:wght@300&display=swap" rel="stylesheet">
<link rel="stylesheet" href="css/animate.css" type="text/css">
<link rel="stylesheet" type="text/css" href="css/style.css">
<style>
table,
tr,
td {
border: 2px solid black !important;
}
#table {
width: 80vw;
margin: 15px;
}
.canvasjs-chart-canvas {
min-height: 100% !important;
}
#chartContainer {
height: 500px !important;
}
.mid-cards {
margin: 30px;
}
</style>
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" />
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-eOJMYsd53ii+scO/bJGFsiCZc+5NDVN2yr8+0RDqr0Ql0h+rP48ckxlpbzKgwra6" crossorigin="anonymous">
<link rel="stylesheet" type="text/css" href="css/style.css">
<link rel="shortcut icon" type="image/png" href="images/website_logo1.png">
</head>
<body>
<nav class="navbar sticky-top navbar-expand-lg navbar-dark bg-dark">
<div class="container-fluid">
<a class="navbar-brand" href="diskscheduling_index.html">
<img id="logo" src="images/website_logo1.png" alt="logo">
<div class="hover-border">Disk Scheduling</div>
</a>
<div class="divider"></div>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse"
data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false"
aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav me-auto mb-2 mb-lg-0">
<li class="nav-item">
<a class="nav-link active" aria-current="page" href="index.html">
<div class="hover-border">Home</div>
</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button"
data-bs-toggle="dropdown" aria-expanded="false">
Algorithms
</a>
<ul class="dropdown-menu dropdown-menu-dark" aria-labelledby="navbarDropdown">
<li><a class="dropdown-item" href="pagereplacement_index.html">Page Replacement</a></li>
<li><a class="dropdown-item" href="diskscheduling_index.html">Disk Scheduling</a></li>
<li><a class="dropdown-item" href="#">CPU Scheduling</a></li>
<li><a class="dropdown-item" href="#">Concurrency</a></li>
</ul>
</li>
<li class="nav-item">
<a class="nav-link" href="compare.html"><span class="hover-border">Compare</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="about.html"><span class="hover-border">About Developers</span></a>
</li>
</ul>
<div class="d-flex">
<div class="dropdown">
<input id="search-input" class="form-control me-2 dropdown-toggle" data-bs-toggle="dropdown"
aria-expanded="false" placeholder="Type to search...">
<ul id="suggestions" class="dropdown-menu dropdown-menu-dark" aria-labelledby="search-button">
</ul>
<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" fill="currentColor"
class="bi bi-search" viewBox="0 0 16 16" style="position: absolute; right: 15px;">
<path
d="M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z" />
</svg>
</div>
</div>
</div>
</div>
</nav>
<div class="block">
<div class="overlay"></div>
<div class="heading">
<h1 class="animate__animated animate__slideInUp" data-aos="fade-in" style="text-align: center;">BELADY'S
ANOMALY
</h1>
</div>
<div class="arrow-box">
<img src="images/down_arrow.png" alt="Downward Arrow">
</div>
</div>
<div class="mid-block" style="min-height: fit-content;">
<div class="mid-heading-wrapper">
<div class="mid-heading">
<h1 class="hover-border">About</h1>
</div>
</div>
<div class="mid-cards">
<div class="card text-white bg-dark mb-3" style="max-width: 28rem; height: 65vh;">
<div class="card-header bg-dark" style="font-size: 2rem;">Belady's Anomaly</div>
<div class="card-body" style="overflow-y: scroll;">
<p class="card-text">Generally, on increasing the number of frames to a process’ virtual memory, its
execution becomes faster as less number of page faults occur. Sometimes the reverse happens,
i.e. more number of page faults occur when more frames are allocated to a process. This most
unexpected result is termed as Belady’s Anomaly.</p><br>
<p class="card-text"> So Belady’s anomaly is the phenomenon where increasing the
number of page frames results in an increase in the number of page faults for a given memory
access pattern.</p><br>
<p class="card-text">This phenomenon occurs in following Page Replacement Algorithms:
<ol>
<li>
First In First Out (FIFO)
</li><br>
<li>
Second Chance Algorithm
</li><br>
<li>
Random Page Replacement Algorithm
</li><br>
</ol>
</p>
</div>
</div>
</div>
</div>
<div class="last-block">
<div class="mid-heading-wrapper">
<div class="mid-heading">
<h1 class="hover-border">Implementation</h1>
</div>
</div>
<div class="divider" style="height: 10vh;"></div>
<div id="algo">
<div class="container"
style="width: 85vw; height: fit-content; margin-bottom: 10px; display: flex; flex-direction: column; align-items: center; justify-content: center;">
<div
style="display: flex; flex-direction: row; align-items: center; justify-content: center; flex-wrap: wrap;">
<div
style="margin: 10px; width: fit-content; display: flex; justify-content: center; align-items: center;">
<strong>Reference String:</strong>
<input class="input" type="text" style="width: 55%; min-width: 225px; margin: 5px;" id="input">
</div>
</div>
<button id="submit" type="button" class="btn btn-dark last_button input"
style="margin: 10px; min-width: 80px;">Submit</button>
</div>
<div style="margin: 10px;">
<br>
<div id="chartContainer"></div>
<table id="table" class="container text-center"></table>
<br>
<div id="summary" class="d-flex justify-content-around font-weight-bold text-uppercase"> </div>
</div>
</div>
</div>
<br>
<br>
<br>
<!-- Footer -->
<div id="foooter">
<div class="footer-dark">
<footer>
<div id="footer-container" class="footercontainer">
<div class="footerflex-1">
<div class="footerrow">
<!-- First Panel -->
<div class="footerpanel-group" id="accordion">
<div class="panel panel-default" id="footerpanel">
<div class="footerpanel-heading">
<h4 class="footerpanel-title accordion-button" data-bs-toggle="collapse"
data-bs-target="#collapseOne,#collapseTwo,#collapseThree,#collapseFour,#collapseFive"
aria-expanded="false" aria-controls="collapseOne">OS Virtual Lab
</h4>
</div>
<div id="collapseOne" class="panel-collapse collapse" aria-labelledby="headingOne"
data-bs-parent="#accordion">
<div class="footercontent">
<ul style="list-style-type: none;">
<li><a href="index.html">Home</a></li>
<li><a href="about.html">About Us</a></li>
<li><a href="pagereplacement_index.html">Page Replacement</a></li>
<li><a href="diskscheduling_index.html">Disk Scheduling</a></li>
<li><a href="#CpuScheduling">CPU Scheduling</a></li>
<li><a href="#Concurrency">Concurrency</a></li>
</ul>
</div>
</div>
</div>
</div>
<!-- Second Panel -->
<div class="footerpanel-group" id="accordion">
<div class="panel panel-default" id="footerpanel">
<div class="footerpanel-heading">
<h4 class="footerpanel-title accordion-button" data-bs-toggle="collapse"
data-bs-target="#collapseOne,#collapseTwo,#collapseThree,#collapseFour,#collapseFive"
aria-expanded="false" aria-controls="collapseOne">Page Replacement
</h4>
</div>
<div id="collapseTwo" class="panel-collapse collapse" aria-labelledby="headingOne"
data-bs-parent="#accordion">
<div class="footercontent">
<ul style="list-style-type: none;">
<li><a href="fifo.html">FIFO</a></li>
<li><a href="lifo.html">LIFO</a></li>
<li><a href="lru.html">LRU</a></li>
<li><a href="optimal.html">OPTIMAL</a></li>
<li><a href="random.html">RANDOM</a></li>
<li><a href="belady.html">BELADY</a></li>
</ul>
</div>
</div>
</div>
</div>
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<h4 class="footerpanel-title accordion-button" data-bs-toggle="collapse"
data-bs-target="#collapseOne,#collapseTwo,#collapseThree,#collapseFour,#collapseFive"
aria-expanded="false" aria-controls="collapseOne">Disc Scheduling
</h4>
</div>
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data-bs-parent="#accordion">
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<ul style="list-style-type: none;">
<li><a href="fcfs.html">FCFS</a></li>
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<li><a href="scan.html">SCAN</a></li>
<li><a href="cscan.html">C-SCAN</a></li>
<li><a href="look.html">LOOK</a></li>
<li><a href="clook.html">C-LOOK</a></li>
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<h4 class="footerpanel-title accordion-button" data-bs-toggle="collapse"
data-bs-target="#collapseOne,#collapseTwo,#collapseThree,#collapseFour,#collapseFive"
aria-expanded="false" aria-controls="collapseOne">CPU Scheduling
</h4>
</div>
<div id="collapseFour" class="panel-collapse collapse" aria-labelledby="headingOne"
data-bs-parent="#accordion">
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<h4 class="footerpanel-title accordion-button" data-bs-toggle="collapse"
data-bs-target="#collapseOne,#collapseTwo,#collapseThree,#collapseFour,#collapseFive"
aria-expanded="false" aria-controls="collapseOne">Concurrency
</h4>
</div>
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data-bs-parent="#accordion">
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</div>
<div
style="padding-top: 10px; width: 100%; display: flex; align-items: center; justify-content: center;">
<span style="margin: 20px;">
<a href="https://github.com/HansalShah007/osvirtuallab" target="_blank"
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Project © Team 15</span>
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