Class PerformanceLogger

java.lang.Object

org.episteme.core.util.PerformanceLogger

public class PerformanceLogger
extends Object

Lightweight utility for tracking high-performance computing metrics.

This logger tracks cumulative time execution counts for specific keys (e.g. "OpenCL:Transfer", "OpenCL:Compute"). It is designed to be minimal overhead.

Since:

1.0

Author:

Silvere Martin-Michiellot, Gemini AI (Google DeepMind)

Constructor Summary

Constructors

Constructor	Description
PerformanceLogger()

Method Summary

Modifier and Type	Method	Description
static String	getReport()	Returns a formatted report of all collected metrics.
static void	log(String key, long durationNanos)	Records a timing metric.
static void	log(String key, String context, long durationNanos)	Records a timing metric with context.
static void	reset()	resets all metrics.
static void	setEnabled(boolean e)

Methods inherited from class Object

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

Constructor Details

PerformanceLogger

public PerformanceLogger()

Method Details

log

public static void log(String key,
 String context,
 long durationNanos)

Records a timing metric with context.

Parameters:

key - unique identifier

context - descriptive context (e.g. "Dense/OpenCL")

durationNanos - duration in nanoseconds

log

public static void log(String key,
 long durationNanos)

Records a timing metric.

Parameters:

key - unique identifier for the operation

durationNanos - duration in nanoseconds

reset

public static void reset()

resets all metrics.

setEnabled

public static void setEnabled(boolean e)

getReport

public static String getReport()

Returns a formatted report of all collected metrics.