LWPoolSelector Class Reference

#include <LWPoolSelector.h>

Collaboration diagram for LWPoolSelector:

Static Public Member Functions
static unsigned	poolSize (unsigned requestsize)
static unsigned	poolIndex (unsigned requestsize)
static unsigned	nPools ()
static unsigned	maxNonDynamicRequest ()

Static Public Attributes
static const unsigned	numberOfPools = 58

Private Member Functions
	LWPoolSelector ()
	~LWPoolSelector ()

Static Private Member Functions
static unsigned	roundup (unsigned l, unsigned n)

Detailed Description

Definition at line 25 of file LWPoolSelector.h.

Constructor & Destructor Documentation

LWPoolSelector()

LWPoolSelector::LWPoolSelector ( )

private

~LWPoolSelector()

LWPoolSelector::~LWPoolSelector ( )

private

Member Function Documentation

maxNonDynamicRequest()

static unsigned LWPoolSelector::maxNonDynamicRequest ( )

inlinestatic

Definition at line 32 of file LWPoolSelector.h.

{ return 5400; }

nPools()

static unsigned LWPoolSelector::nPools ( )

inlinestatic

Definition at line 31 of file LWPoolSelector.h.

{ return numberOfPools; }

poolIndex()

unsigned LWPoolSelector::poolIndex ( unsigned  requestsize )

inlinestatic

Definition at line 73 of file LWPoolSelector.h.

{
  assert(l>0);
  if (l<128) {
    if (l<16)
      return l-1;
    if (l<64)
      return roundup(l,4)/4+11;
    return roundup(l,8)/8+19;
  }
  if (l<256)
    return roundup(l,16)/16+27;
  if (l<=640)
    return roundup(l,32)/32+35;
  if (l<=1024)
    return nPools()-2;
  if (l<=maxNonDynamicRequest())
    return nPools()-1;
  return UINT_MAX;
}

poolSize()

unsigned LWPoolSelector::poolSize ( unsigned  requestsize )

inlinestatic

Definition at line 53 of file LWPoolSelector.h.

{
  assert(l>0);
  if (l<16)
    return l;
  if (l<64)
    return roundup(l,4);
  if (l<128)
    return roundup(l,8);
  if (l<256)
    return roundup(l,16);
  if (l<=640)//640 should have room for sizeof(THnX)
    return roundup(l,32);
  if (l<=1024)
    return 1024;
  if (l<=maxNonDynamicRequest())
    return maxNonDynamicRequest();
  return UINT_MAX;
}

roundup()

unsigned LWPoolSelector::roundup ( unsigned  l, unsigned  n  )

inlinestaticprivate

Definition at line 47 of file LWPoolSelector.h.

                                                              {
  //Round up to nearest multiple of n without branching
  assert(l>0&&n>0);
  return n+l-1-(l-1)%n;
}

Member Data Documentation

numberOfPools

const unsigned LWPoolSelector::numberOfPools = 58

static

Definition at line 30 of file LWPoolSelector.h.

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The documentation for this class was generated from the following file:

• LWPoolSelector.h