diff options
Diffstat (limited to 'indra/llcommon/lltrace.h')
| -rw-r--r-- | indra/llcommon/lltrace.h | 49 |
1 files changed, 17 insertions, 32 deletions
diff --git a/indra/llcommon/lltrace.h b/indra/llcommon/lltrace.h index a6334e176b..0c618a2f4b 100644 --- a/indra/llcommon/lltrace.h +++ b/indra/llcommon/lltrace.h @@ -101,16 +101,6 @@ namespace LLTrace } } - void addDeltas(const AccumulatorBuffer<ACCUMULATOR>& start, const AccumulatorBuffer<ACCUMULATOR>& finish) - { - llassert(mNextStorageSlot == start.mNextStorageSlot && mNextStorageSlot == finish.mNextStorageSlot); - - for (size_t i = 0; i < mNextStorageSlot; i++) - { - mStorage[i].addDeltas(start.mStorage[i], finish.mStorage[i]); - } - } - void copyFrom(const AccumulatorBuffer<ACCUMULATOR>& other) { for (size_t i = 0; i < mNextStorageSlot; i++) @@ -203,11 +193,12 @@ namespace LLTrace public: MeasurementAccumulator() : mSum(0), - mMin(0), - mMax(0), + mMin(std::numeric_limits<T>::max()), + mMax(std::numeric_limits<T>::min()), mMean(0), mVarianceSum(0), - mNumSamples(0) + mNumSamples(0), + mLastValue(0) {} LL_FORCE_INLINE void sample(T value) @@ -251,20 +242,27 @@ namespace LLTrace sd_2 = other.getStandardDeviation(); // combine variance (and hence standard deviation) of 2 different sized sample groups using // the following formula: http://www.mrc-bsu.cam.ac.uk/cochrane/handbook/chapter_7/7_7_3_8_combining_groups.htm - mVarianceSum = (F32)mNumSamples + if (n_1 == 0) + { + mVarianceSum = other.mVarianceSum; + } + else if (n_2 == 0) + { + // don't touch variance + // mVarianceSum = mVarianceSum; + } + else + { + mVarianceSum = (F32)mNumSamples * ((((n_1 - 1.f) * sd_1 * sd_1) + ((n_2 - 1.f) * sd_2 * sd_2) + (((n_1 * n_2) / (n_1 + n_2)) * ((m_1 * m_1) + (m_2 * m_2) - (2.f * m_1 * m_2)))) / (n_1 + n_2 - 1.f)); + } mLastValue = other.mLastValue; } - void addDeltas(const MeasurementAccumulator<T>& start, const MeasurementAccumulator<T>& finish) - { - llerrs << "Delta merge invalid for measurement accumulators" << llendl; - } - void reset() { mNumSamples = 0; @@ -313,12 +311,6 @@ namespace LLTrace mNumSamples += other.mNumSamples; } - void addDeltas(const RateAccumulator<T>& start, const RateAccumulator<T>& finish) - { - mSum += finish.mSum - start.mSum; - mNumSamples += finish.mNumSamples - start.mNumSamples; - } - void reset() { mNumSamples = 0; @@ -464,13 +456,6 @@ namespace LLTrace mCalls += other.mCalls; } - void addDeltas(const TimerAccumulator& start, const TimerAccumulator& finish) - { - mTotalTimeCounter += finish.mTotalTimeCounter - start.mTotalTimeCounter; - mChildTimeCounter += finish.mChildTimeCounter - start.mChildTimeCounter; - mCalls += finish.mCalls - start.mCalls; - } - void reset() { mTotalTimeCounter = 0; |