rtcompare

Sep 30, 2026

Changes in this version

+ const QuantizationGate

+ const StageCalibrating

+ const StageMeasuring

+ const StageResampling

+ const StageValidating

type CPRNG

+ func (c *CPRNG) Shuffle(n int, swap func(i, j int))

type CompareOptions

+ MaxDuration time.Duration

+ Progress func(Progress)

+ Seed uint64

+ type Confidences []ThresholdConfidence

+ func ConfidencesFor(A, B []float64, thresholds []float64, opt EstimateOptions) (Confidences, error)

+ func (c Confidences) At(threshold float64) (confidence float64, ok bool)

type DPRNG

+ func (thisState *DPRNG) Float32() float32

+ func (thisState *DPRNG) Int16() int16

+ func (thisState *DPRNG) Int32() int32

+ func (thisState *DPRNG) Int64() int64

+ func (thisState *DPRNG) Int8() int8

+ func (thisState *DPRNG) Uint16() uint16

+ func (thisState *DPRNG) Uint32() uint32

+ func (thisState *DPRNG) Uint8() uint8

type Estimate

+ func (e Estimate) Ratio() (ratio, low, high float64)

+ type EstimateOptions struct

+ BlockLength int

+ Level float64

+ Paired bool

+ Resamples uint64

+ Seed uint64

type Pooled

+ Bias float64

+ FirstStage int

+ func CombineStaged(reports []Report, firstStage int, level float64) (Pooled, error)

+ func (p Pooled) ProcessesFor(abs, rel float64) int

+ type Progress struct

+ Done int

+ Stage string

+ Total int

type Report

+ Quantization float64

+ Seed uint64

+ func CompareContext(ctx context.Context, a, b Candidate, opt CompareOptions) (Report, error)

+ type ThresholdConfidence struct

+ Confidence float64

+ Threshold float64

type ValidationOptions

+ Seed uint64

Sep 27, 2026

Changes in this version

+ const DefaultWarmupDuration

+ const LargeHeapThreshold

+ const SuspendThreshold

type CollectOptions

+ WarmupDuration time.Duration

type DPRNG

+ func (thisState *DPRNG) Shuffle(n int, swap func(i, j int))

type HarnessValidation

+ func ValidatePair(a, b Candidate, opt ValidationOptions) (va, vb HarnessValidation, err error)

+ type Pooled struct

+ Delta float64

+ High float64

+ I2 float64

+ Inflation float64

+ Level float64

+ Low float64

+ NoiseFloor float64

+ Processes int

+ Q float64

+ Resolved bool

+ SpreadBetween float64

+ SpreadWithin float64

+ Validated bool

+ Warnings []string

+ func Combine(reports []Report, level float64) (Pooled, error)

+ func (p Pooled) Precise(abs, rel float64) bool

+ func (p Pooled) String() string

type Report

+ DriftRatio DriftReport

+ LiveHeap uint64

+ Suspended time.Duration

+ type Spacers struct

+ func PerturbHeap(seed uint64) *Spacers

+ func (s *Spacers) Bytes() int

+ func (s *Spacers) KeepAlive()

Sep 9, 2026

Changes in this version

+ const AutocorrelationThreshold

+ const DefaultConfidenceLevel

+ const DefaultMaxInnerLoops

+ const DefaultMaxQuantizationError

+ const DefaultRepeats

+ const DefaultValidationLevel

+ const DefaultValidationRuns

+ const DefaultWarmup

+ const DriftLevel

+ const NoiseFloorQuantile

+ func AutoBlockLength(n int) int

+ func BlockBootstrapConfidence(A, B []float64, relativeGains []float64, resamples uint64, blockLength int, ...) map[float64]float64

+ func Collect(a, b Candidate, opt CollectOptions) (samplesA, samplesB []float64, err error)

+ type Batch func(n uint64)

+ type Calibration struct

+ BatchDuration float64

+ ClockPrecision int64

+ InnerLoops uint64

+ NsPerOp float64

+ QuantizationError float64

+ func CalibrateInnerLoops(c Candidate, opt CalibrationOptions) (Calibration, error)

+ type CalibrationOptions struct

+ DisableGC bool

+ GCBetween bool

+ MaxInnerLoops uint64

+ MaxQuantizationError float64

+ type Candidate struct

+ Batch Batch

+ Name string

+ Setup func()

+ Teardown func()

+ type CollectOptions struct

+ DisableGC bool

+ GCBetween bool

+ InnerLoops uint64

+ MaxInnerLoops uint64

+ MaxQuantizationError float64

+ Order Order

+ Repeats int

+ Seed uint64

+ SkipWarmup bool

+ Warmup int

+ type CompareOptions struct

+ Collect CollectOptions

+ Level float64

+ Resamples uint64

+ SkipValidation bool

+ Thresholds []float64

+ ValidationRuns int

type DPRNG

+ func (thisState *DPRNG) Uint32N(n uint32) uint32

+ type DriftReport struct

+ FirstHalf float64

+ N int

+ PValue float64

+ RelativeShift float64

+ SecondHalf float64

+ Spearman float64

+ Z float64

+ func DetectDrift(samples []float64) (DriftReport, error)

+ func (d DriftReport) Drifted(level float64) bool

+ func (d DriftReport) String() string

+ type Estimate struct

+ BootstrapMedian float64

+ Delta float64

+ High float64

+ Level float64

+ Low float64

+ Resamples uint64

+ func EstimateDifference(A, B []float64, level float64, resamples uint64) (Estimate, error)

+ func (e Estimate) Excludes(value float64) bool

+ func (e Estimate) String() string

+ type HarnessValidation struct

+ Autocorrelation float64

+ Confidences []float64

+ Deltas []float64

+ DriftRate float64

+ FalseSignalRate float64

+ InnerLoops uint64

+ Level float64

+ MaxObservedNoise float64

+ MeanConfidence float64

+ MedianConfidence float64

+ MedianDriftShift float64

+ NoiseFloor float64

+ Runs int

+ TieRate float64

+ TypicalNoise float64

+ func ValidateHarness(c Candidate, opt ValidationOptions) (HarnessValidation, error)

+ func (v HarnessValidation) Resolves(relativeDifference float64) bool

+ func (v HarnessValidation) String() string

+ type Order int

+ const OrderABBA

+ const OrderRandom

+ const OrderSequential

+ func (o Order) String() string

+ type Report struct

+ Autocorrelation float64

+ BlockLength int

+ Confidence map[float64]float64

+ DriftA DriftReport

+ DriftB DriftReport

+ Estimate Estimate

+ NoiseFloor float64

+ NsPerOpA float64

+ NsPerOpB float64

+ Resolved bool

+ SamplesA []float64

+ SamplesB []float64

+ Validated bool

+ ValidationA HarnessValidation

+ ValidationB HarnessValidation

+ Warnings []string

+ func Compare(a, b Candidate, opt CompareOptions) (Report, error)

+ func (r Report) String() string

+ type ValidationOptions struct

+ Collect CollectOptions

+ Level float64

+ Resamples uint64

+ Runs int

Jan 4, 2026

Changes in this version

+ func GenerateScrambler() uint64

type DPRNG

+ Scrambler uint64

Dec 22, 2025

Changes in this version

+ func F2T(timesFaster float64) float64

+ type CPRNG struct

+ func NewCPRNG(capBytes uint32) *CPRNG

+ func (c *CPRNG) Float32() float32

+ func (c *CPRNG) Float64() float64

+ func (c *CPRNG) Int16() int16

+ func (c *CPRNG) Int32() int32

+ func (c *CPRNG) Int64() int64

+ func (c *CPRNG) Int8() int8

+ func (c *CPRNG) Uint16() uint16

+ func (c *CPRNG) Uint32() uint32

+ func (c *CPRNG) Uint32N(n uint32) uint32

+ func (c *CPRNG) Uint64() uint64

+ func (c *CPRNG) Uint8() uint8

Nov 15, 2025

Changes in this version

+ const DefaultResamples

type RTcomparisonResult

+ func CompareSamples(measurementsA, measurementsB []float64, relativeGains []float64, ...) (result []RTcomparisonResult, err error)

+ func CompareSamplesDefault(measurementsA, measurementsB []float64, relativeGains []float64) (result []RTcomparisonResult, err error)

Nov 8, 2025

Changes in this version

+ func BootstrapConfidence(A, B []float64, thresholds []float64, reps uint64, prngSeed uint64) (confidenceForThreshold map[float64]float64)

type DPRNG

+ func (thisState *DPRNG) UInt32N(n uint32) uint32

Oct 19, 2025

Changes in this version

type DPRNG

+ func NewDPRNG(seed ...uint64) DPRNG

Oct 18, 2025

Changes in this version

+ const MinimumDataPoints

+ func DiffTimeStamps(t_earlier, t_later TimeStamp) int64

+ func FloatsEqualWithTolerance(f1, f2, tolerancePercentage float64) bool

+ func GetSampleTimePrecision() int64

+ func Median(data []float64) float64

+ func QuickMedian(xs []float64) float64

+ func Statistics(data []float64) (mean, variance, stddev float64)

+ type DPRNG struct

+ Round uint64

+ State uint64

+ func (thisState *DPRNG) Float64() float64

+ func (thisState *DPRNG) Uint64() uint64

+ type RTcomparisonResult struct

+ Confidence float64

+ RelativeSpeedupSampleAvsSampleB float64

+ func CompareRuntimes(sampleA, sampleB []float64, relativeSpeedupsToTest []float64, ...) (result []RTcomparisonResult, err error)

+ type TimeStamp = int64 — windows/amd64

+ type TimeStamp = time.Time — darwin/amd64, js/wasm, linux/amd64

+ func SampleTime() TimeStamp