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CHANGELOG.md

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Aparapi Changelog

v2.0.1

  • Add support for getKernelMaxWorkGroupSize(), getKernelCompileWorkGroupSize(), getKernelPreferredWorkGroupSizeMultiple(), getKernelMinimumPrivateMemSizeInUsePerWorkItem() and getKernelLocalMemSizeInUse()
  • Fixed Barriers give inconsistent results on NVIDIA backend.
  • New Kernel.compile(...) methods for forcing pre-compilation of a kernel without executing it
  • Fixed NPE bug for Kernel.getProfileReportCurrentThread(device) and similar methods
  • Fixed bug where ClassModel would throw an error when loaded if boot strap methods were 0.
  • Aparapi can now run on any OpenCL version rather than failing on untested versions it produces a warning.
  • Updated the following dependency versions: ** com.aparapi: aparapi-jni 1.4.2 -> 1.4.3 ** org.apache.bcel:bcel 6.4.1 -< 6.5.0 ** org.scala-lang:scala-library 2.13.1 -> 2.13.4 ** com.syncleus:syncleus 7 -> 8

v2.0.0

  • Fixed Potential JVM crash when using multi-dimensional arrays (> 1D)
  • Fixed bug causing wrong Aparapi-native library to be loaded.
  • Minimum Java JDK compatible is now 1.8 or higher, used to be 1.7
  • Updated the following dependency versions: ** com.aparapi: aparapi-jni 1.4.1 -> 1.4.2 ** org.scala-lang: scala-library 2.12.6 -> 2.13.1 ** net.alchim31.maven: scala-maven-plugin 3.4.1 -> 4.3.0 ** org.apache.bcel: bcel 6.2 -> 6.4.1

1.10.0

  • If statements with empty blocks and comparisons outside of if or while statements now compile and run on the GPU.
  • Fix kernel management inconsistencies regarding preferred devices management
  • Fix Java execution mode with barriers to not deadlock when a thread dies or is interrupted (InterruptedException)
  • Fix Java execution mode to fail-fast when Kernel execution fails
  • Java execution mode now provides detailed backtraces of failed Kernel threads including passId, groupIds, globalIds and localIds
  • Internal translation of bytecode is now facilitated by the BCEL library
  • Scala support has been added (see unit tests).
  • Fix arrays of AtomicInteger stored on local variables no longer fail with type cast exception while generating OpenCL (support for I_ALOAD_0,1,2,3 bytecode instructions)

1.9.0

  • Fixed local arrays handling 1D and ND, to cope with arrays resizing across kernel executions
  • Significant speed-up on discrete GPUs with dedicated memory - OpenCLDevice.setSharedMemory(false)
  • Now supports efficient execution on discrete GPU and other devices with dedicated memory
  • Support for OpenCLDevice configurator/configure API

1.8.0

  • Updated KernelManager to facilitate class extensions having constructors with non static parameters
  • Enable kernel profiling and execution simultaneously on multiple devices (multiple threads calling same kernel class on multiple devices)
  • Fixed JVM crash when multi-dimensional arrays were used in Local memory (2D and 3D local arrays are now supported)
  • Fixed bug where signed integer constants were being interpreted as unsigned values during Codegen.

1.7.0

  • Fully support barrier() - localBarrier(), globalBarrier() and localGlobalBarrier() on OpenCL 1.2 and later.
  • Improved exception handling, stack traces no longer double print and Error and other throwables are never caught.
  • Fix issue causing SEVERE log messages on Aparapi kernel profiling under multithreading.
  • Provide new interfaces for thread safe kernel profiling (mutiple threads calling same kernel class on same device).
  • Fixed occasional deadlock in JTP execution mode.
  • Significant speedup when running in JTP execution mode.

1.6.0

  • Added support for Local arguments in kernel functions
  • Added full support for atomic operations of arrays of integers on OpenCL 1.2 and later.
  • Parent pom no longer points to a snapshot.

1.5.0

  • Support for OpenCL 2.1 added.
  • Support inline array creation in the kernel, which is implemented in the GPU in private memory.
  • Updated parent pom to v6.
  • createProgram had the wrong signature producing a unsatisfied link exception that is now fixed.
  • Build now requires version 3.5.0 of maven due to changes in surefire plugin.
  • Added the functions popcount and clz

1.4.1

  • Fixed NullPointerException when using KernelManger from the KernelManagers class
  • Now requires maven 3.0.4 or later.
  • Bumped parent pom version to 4.
  • Removed explicit versions from several plugins in the pom as these are defined in the parent.

1.4.0

  • Updated nexus staging plugin: 1.6.7 -> 1.6.8
  • Added Fused Multiply Add support.
  • Fixed a bug whereby the library failed to load if OpenCL implementation isnt present, system now loads and falls back to native Java.
  • Fixed several mistakes and typos in the various examples.

1.3.4

  • Updated to aparapi-jni 1.1.2 thus fixing UnsatisfiedLinkError which occured only on Windows.

1.3.3

  • Added several missing math functions that are part of the OpenCL standard: acospi, asinpi, atanpi, atan2pi, cbrt, cosh, cospi, exp2, exp10, expm1, log2, log10, log1p, mad, nextafter, sinh, sinpi, tanh, tanpi.
  • Fixed "`CXXABI_1.3.8' not found " error encountered on some older systems.
  • Fixed a bug where calling createProgram resulted in an exception.
  • Changed aparapi JNI load notification into a proper logger message instead of direct to system.out.

1.3.2

  • Added Windows 64bit support.
  • Improved exception message when a native library can't be loaded.

1.3.1

  • Added full support for OSX.

1.3.0

  • No longer needs Aparapi JNI library to be installed manually, this is loaded dynmically now.

1.2.0

  • Kernels of the same class are now eligible to be run on different devices.
  • Added method to set execution mode without any fallback.
  • Added opencl device method for name.
  • Fixed a memory leak.
  • Added method for uncached platform retrieval.

1.1.2

  • Fixed a bug where OpenCL kernels were getting compiled twice.

1.1.1

  • Fixed a bug where forward references existed when they shouldnt.
  • Fixed some bugs where improper directory structure were referenced produced exceptions.

1.1.0

  • Changed group id and package to com.aparapi