cc.redberry.physics.oneloopdiv

Class Benchmarks

java.lang.Object

cc.redberry.physics.oneloopdiv.Benchmarks

public final class Benchmarks
extends java.lang.Object

This class contains several performance benchmarks of one-loop divergences calculation. Here is the summary:

 Machine:
  Processor family: Intel(R) Core(TM) i5 CPU M 430  @ 2.27GHz.
  -Xmx value : 3g.
  Max memory used: 1.2g.
  Java version: 1.7.0_03 HotSpot 64-bit server VM

 Benchmark results:
  Minimal second order : 2 s.
  Minimal fourth order : 2 s.
  Vector field : 19 s.
  Gravity ghosts : 19 s.
  Squared vector field : 313 s.
  Lambda gauge gravity : 612 s.
  Spin 3 ghosts : 920 s.
 

 Machine:
  Processor family: AMD Phenom(tm) II X6 1100T Processor
  -Xmx value : 3g
  Max memory used: 1.2g
  Java version: 1.7.0_04 HotSpot 64-bit server VM

 Benchmark results:
  Minimal second order : 1 s.
  Minimal fourth order : 1 s.
  Vector field : 14 s.
  Gravity ghosts : 14 s.
  Squared vector field : 219 s.
  Lambda gauge gravity : 521 s.
  Spin 3 ghosts : 627 s.
 

Method Summary

Modifier and Type	Method and Description
static void	burnJVM() Warm up the JVM.
static void	main(java.lang.String[] args)
static void	testGravityGhosts() This method calculates ghosts contribution to the one-loop counterterms of the gravitational field in the non-minimal gauge.
static void	testLambdaGaugeGravity() This method calculates the main contribution to the one-loop counterterms of the gravitational field in the non-minimal gauge.
static void	testMinimalFourthOrderOperator() This method calculates one-loop counterterms of the fourth order minimal operator.
static void	testMinimalSecondOrderOperator() This method calculates one-loop counterterms of the second order minimal operator.
static void	testMinimalSecondOrderOperatorBarvinskyVilkovisky() This method calculates one-loop counterterms of the second order minimal operator in Barvinsky and Vilkovisky notation (Phys.
static void	testNonMinimalGaugeGravity() This method calculates the main contribution to the one-loop counterterms of the gravitational field in general the non-minimal gauge.
static void	testSpin3Ghosts() This method calculates ghosts contribution to the one-loop counterterms of the theory with spin = 3.
static void	testSquaredVectorField() This method calculates one-loop counterterms of the squared vector field in the non-minimal gauge.
static void	testVectorField() This method calculates one-loop counterterms of the vector field in the non-minimal gauge.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

main

public static void main(java.lang.String[] args)

burnJVM

public static void burnJVM()

Warm up the JVM.

testVectorField

public static void testVectorField()

This method calculates one-loop counterterms of the vector field in the non-minimal gauge.

testSquaredVectorField

public static void testSquaredVectorField()

This method calculates one-loop counterterms of the squared vector field in the non-minimal gauge.

testGravityGhosts

public static void testGravityGhosts()

This method calculates ghosts contribution to the one-loop counterterms of the gravitational field in the non-minimal gauge. The gauge fixing term in LaTeX notation:

       S_{gf} = -1/2 \int d^4 x \sqrt{-g} g_{\mu\nu} \chi^\mu \chi^\nu,
  where
       \chi^\mu = 1/\sqrt{1+\lambda} (g^{\mu\alpha} \nabla^\beta h_{\alpha\beta}-1/2 g^{\alpha\beta} \nabla^\mu h_{\alpha\beta})
 

testLambdaGaugeGravity

public static void testLambdaGaugeGravity()

This method calculates the main contribution to the one-loop counterterms of the gravitational field in the non-minimal gauge. The gauge fixing term in LaTeX notation:

       S_{gf} = -1/2 \int d^4 x \sqrt{-g} g_{\mu\nu} \chi^\mu \chi^\nu,
  where
       \chi^\mu = 1/\sqrt{1+\lambda} (g^{\mu\alpha} \nabla^\beta h_{\alpha\beta}-1/2 g^{\alpha\beta} \nabla^\mu h_{\alpha\beta})
 

testMinimalSecondOrderOperator

public static void testMinimalSecondOrderOperator()

This method calculates one-loop counterterms of the second order minimal operator.

testMinimalSecondOrderOperatorBarvinskyVilkovisky

public static void testMinimalSecondOrderOperatorBarvinskyVilkovisky()

This method calculates one-loop counterterms of the second order minimal operator in Barvinsky and Vilkovisky notation (Phys. Rep. 119 ( 1985) 1-74 ).

testMinimalFourthOrderOperator

public static void testMinimalFourthOrderOperator()

This method calculates one-loop counterterms of the fourth order minimal operator.

testSpin3Ghosts

public static void testSpin3Ghosts()

This method calculates ghosts contribution to the one-loop counterterms of the theory with spin = 3.

testNonMinimalGaugeGravity

public static void testNonMinimalGaugeGravity()

This method calculates the main contribution to the one-loop counterterms of the gravitational field in general the non-minimal gauge. The gauge fixing term in LaTeX notation:

       S_{gf} = -1/2 \int d^4 x \sqrt{-g} g_{\mu\nu} \chi^\mu \chi^\nu,
  where
       \chi^\mu = 1/\sqrt{1+\lambda} (g^{\mu\alpha} \nabla^\beta h_{\alpha\beta}-(1+\beta)/2 g^{\alpha\beta} \nabla^\mu h_{\alpha\beta})