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b3a5e3305a
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6114a98d54
@ -1,20 +1,10 @@
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package com.nsrddyn
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package com.nsrddyn
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object Torque {
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object Torque {
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import java.time.Instant
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def main(args: Array[String]): Unit = {
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println("--- TORQUE STRESS TESTING UTILITY ---")
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@main def main(args: String*): Unit =
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}
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// ANSI ESCAPE CODE: clear screen
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println("\u001b[2J\u001b[H")
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println("--- TORQUE STRESS TESTING UTILITY ---")
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val now: Instant = Instant.now()
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println(now)
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val pr = new Prime()
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val intMax = 2147483647
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pr.run(intMax)
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}
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}
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6
src/main/scala/com/nsrddyn/cpu/ALU/ALU.scala
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6
src/main/scala/com/nsrddyn/cpu/ALU/ALU.scala
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@ -0,0 +1,6 @@
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package com.nsrddyn
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class ALU {
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}
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@ -4,28 +4,10 @@ import scala.util.hashing
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class Hash {
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class Hash {
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import scala.util.hashing.MurmurHash3
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def hashString(): Unit = {
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def run(word: String, loopSize: Int): Unit = {
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println("Hello from hash function")
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/* TODO: implement ALU friendly, so high speed hashing
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* to continuously loop over voor stressing
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* ALU
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*
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* While looking for hashing algorithmes to implement I stumbled on:
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* https://scala-lang.org/api/3.x/scala/util/hashing/MurmurHash3$.html
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*
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* which is an implemntation of **smasher** http://github.com/aappleby/smhasher
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* the exact type of hashing algorithm I was looking for
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*
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* In the scala description they state: "This algorithm is designed to generate
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* well-distributed non-cryptographic hashes. It is designed to hash data in 32 bit chunks (ints). "
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*
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* (ints) -> ALU
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*
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*/
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for i <- 0 to loopSize do MurmurHash3.stringHash(word)
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}
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}
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}
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}
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@ -1,28 +1,5 @@
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package com.nsrddyn
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package com.nsrddyn
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class Prime {
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class Prime() {
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/*
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* Calculate all primes up to limit
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* This should stress the ALU in someway,
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* doing this in a predictable manner,
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* will hopefully keep the cpu pipeline busy
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* and that way stress the branch predictor
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*
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* math.sqrt(n) => a prime number has 2 factors, one of the factors
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* of the prime numbers has to be smaller then n
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* after that we check if the number is whole number and thereby checking if its a prime
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*
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*/
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def isPrime(n: Int): Boolean = {
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if n <= 1 then false
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else !(2 to math.sqrt(n).toInt).exists(i => n % i == 0)
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}
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def run(n: Int): Unit = for i <- 0 to n do isPrime(i)
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}
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}
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