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* readme and changelog updates * Update README.md Co-authored-by: Saad Rahim (AMD) <[email protected]> --------- Co-authored-by: Saad Rahim (AMD) <[email protected]>
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| # Change Log for rocRAND | ||
| # Changelog for rocRAND | ||
|
|
||
| Full documentation for rocRAND is available at [https://rocrand.readthedocs.io/en/latest/](https://rocrand.readthedocs.io/en/latest/) | ||
| Documentation for rocRAND is available at | ||
| [https://rocm.docs.amd.com/projects/rocRAND/en/latest/](https://rocm.docs.amd.com/projects/rocRAND/en/latest/) | ||
|
|
||
| ## (Unreleased) rocRAND-x.x.x for ROCm 6.0.0 | ||
| ### Changed | ||
| - Generator classes from `rocrand.hpp` are no longer copyable, in previous versions these copies | ||
| would copy internal references to the generators and would lead to double free or memory leak errors. | ||
| These types should be moved instead of copied, and move constructors and operators are now defined | ||
| for them. | ||
| ### Optimized | ||
| - Improved MT19937 initialization and generation performance. | ||
| ### Removed | ||
| - Removed hipRAND submodule from rocRAND. hipRAND is now only available as a separate package. | ||
| - Removed references to and workarounds for deprecated hcc | ||
| ### Fixed | ||
| - `mt19937_engine` from `rocrand.hpp` is now move-constructible and move-assignable. Previously the | ||
| move constructor and move assignment operator was deleted for this class. | ||
| - Various fixes for the C++ wrapper header rocrand.hpp | ||
| - fixed the name of `mrg31k3p` it is now correctly spelled (was incorrectly named`mrg31k3a` in | ||
| previous versions). | ||
| - added missing `order` setter method for `threefry4x64` | ||
| - fixed the default ordering parameter for `lfsr113` | ||
| - Build error when using clang++ directly due to unsupported references to amdgpu-target | ||
|
|
||
| ### Changes | ||
|
|
||
| * Generator classes from `rocrand.hpp` are no longer copyable (in previous versions these copies | ||
| would copy internal references to the generators and would lead to double free or memory leak | ||
| errors) | ||
| * These types should be moved instead of copied; move constructors and operators are now | ||
| defined | ||
|
|
||
| ### Optimizations | ||
|
|
||
| * Improved MT19937 initialization and generation performance | ||
|
|
||
| ### Removals | ||
|
|
||
| * Removed the hipRAND submodule from rocRAND; hipRAND is now only available as a separate | ||
| package | ||
| * Removed references to, and workarounds for, the deprecated hcc | ||
|
|
||
| ### Fixes | ||
|
|
||
| * `mt19937_engine` from `rocrand.hpp` is now move-constructible and move-assignable (the move | ||
| constructor and move assignment operator was deleted for this class) | ||
| * Various fixes for the C++ wrapper header `rocrand.hpp` | ||
| * The name of `mrg31k3p` it is now correctly spelled (was incorrectly named `mrg31k3a` in previous | ||
| versions) | ||
| * Added the missing `order` setter method for `threefry4x64` | ||
| * Fixed the default ordering parameter for `lfsr113` | ||
| * Build error when using Clang++ directly resulting from unsupported `amdgpu-target` references | ||
|
|
||
| ## rocRAND-2.10.17 for ROCm 5.5.0 | ||
| ### Added | ||
| - MT19937 pseudo random number generator based on M. Matsumoto and T. Nishimura, 1998, Mersenne Twister: A 623-dimensionally equidistributed uniform pseudorandom number generator. | ||
| - New benchmark for the device API using Google Benchmark, `benchmark_rocrand_device_api`, replacing `benchmark_rocrand_kernel`. `benchmark_rocrand_kernel` is deprecated and will be removed in a future version. Likewise, `benchmark_curand_host_api` is added to replace `benchmark_curand_generate` and `benchmark_curand_device_api` is added to replace `benchmark_curand_kernel`. | ||
| - experimental HIP-CPU feature | ||
| - ThreeFry pseudorandom number generator based on Salmon et al., 2011, "Parallel random numbers: as easy as 1, 2, 3". | ||
| - Accessor methods for sobol 32 and 64 direction vectors and constants: | ||
| - Enum `rocrand_direction_vector_set` to select the direction vector set. | ||
| - `rocrand_get_direction_vectors32(...)` supersedes: | ||
| - `rocrand_h_sobol32_direction_vectors` | ||
| - `rocrand_h_scrambled_sobol32_direction_vectors` | ||
| - `rocrand_get_direction_vectors64(...)` supersedes: | ||
| - `rocrand_h_sobol64_direction_vectors` | ||
| - `rocrand_h_scrambled_sobol64_direction_vectors` | ||
| - `rocrand_get_scramble_constants32(...)` supersedes `h_scrambled_sobol32_constants` | ||
| - `rocrand_get_scramble_constants64(...)` supersedes `h_scrambled_sobol64_constants` | ||
| ### Changed | ||
| - Python 2.7 is no longer officially supported. | ||
|
|
||
| ### Additions | ||
|
|
||
| * MT19937 pseudo random number generator based on M. Matsumoto and T. Nishimura, 1998, | ||
| *Mersenne Twister: A 623-dimensionally equidistributed uniform pseudorandom number generator* | ||
| * New benchmark APIs for Google Benchmark: | ||
| * `benchmark_rocrand_device_api` replaces `benchmark_rocrand_kernel` | ||
| * `benchmark_curand_host_api` replaces `benchmark_curand_generate` | ||
| * `benchmark_curand_device_api` replaces `benchmark_curand_kernel` | ||
| * Experimental HIP-CPU feature | ||
| * ThreeFry pseudorandom number generator based on Salmon et al., 2011, *Parallel random numbers: | ||
| as easy as 1, 2, 3* | ||
| * Accessor methods for SOBOL 32 and 64 direction vectors and constants: | ||
| * Enum `rocrand_direction_vector_set` to select the direction vector set | ||
| * `rocrand_get_direction_vectors32(...)` supersedes: | ||
| * `rocrand_h_sobol32_direction_vectors` | ||
| * `rocrand_h_scrambled_sobol32_direction_vectors` | ||
| * `rocrand_get_direction_vectors64(...)` supersedes: | ||
| * `rocrand_h_sobol64_direction_vectors` | ||
| * `rocrand_h_scrambled_sobol64_direction_vectors` | ||
| * `rocrand_get_scramble_constants32(...)` supersedes `h_scrambled_sobol32_constants` | ||
| * `rocrand_get_scramble_constants64(...)` supersedes `h_scrambled_sobol64_constants` | ||
|
|
||
| ### Changes | ||
|
|
||
| * Python 2.7 is no longer officially supported | ||
|
|
||
| ## rocRAND-2.10.16 for ROCm 5.4.0 | ||
| ### Added | ||
| - MRG31K3P pseudorandom number generator based on L'Ecuyer and Touzin, 2000, "Fast combined multiple recursive generators with multipliers of the form a = ±2q ±2r". | ||
| - LFSR113 pseudorandom number generator based on L'Ecuyer, 1999, "Tables of maximally equidistributed combined LFSR generators". | ||
| - SCRAMBLED_SOBOL32 and SCRAMBLED_SOBOL64 quasirandom number generators. The Scrambled Sobol sequences are generated by scrambling the output of a Sobol sequence. | ||
| ### Changed | ||
| - The `mrg_<distribution>_distribution` structures, which provided numbers based on MRG32K3A, are now replaced by `mrg_engine_<distribution>_distribution`, where `<distribution>` is `log_normal`, `normal`, `poisson`, or `uniform`. These structures provide numbers for MRG31K3P (with template type `rocrand_state_mrg31k3p`) and MRG32K3A (with template type `rocrand_state_mrg32k3a`). | ||
| ### Fixed | ||
| - Sobol64 now returns 64 bits random numbers, instead of 32 bits random numbers. As a result, the performance of this generator has regressed. | ||
| - Fixed a bug that prevented compiling code in C++ mode (with a host compiler) when it included the rocRAND headers on Windows. | ||
|
|
||
| ### Additions | ||
|
|
||
| * MRG31K3P pseudorandom number generator based on L'Ecuyer and Touzin, 2000, *Fast combined | ||
| multiple recursive generators with multipliers of the form a = ±2q ±2r* | ||
| * LFSR113 pseudorandom number generator based on L'Ecuyer, 1999, *Tables of maximally | ||
| equidistributed combined LFSR generators* | ||
| * `SCRAMBLED_SOBOL32` and `SCRAMBLED_SOBOL64` quasirandom number generators (scrambled | ||
| Sobol sequences are generated by scrambling the output of a Sobol sequence) | ||
|
|
||
| ### Changes | ||
|
|
||
| * The `mrg_<distribution>_distribution` structures, which provide numbers based on MRG32K3A, have been replaced by `mrg_engine_<distribution>_distribution`, where `<distribution>` is `log_normal`, `normal`, `poisson`, or `uniform` | ||
| * These structures provide numbers for MRG31K3P (with template type `rocrand_state_mrg31k3p`) | ||
| and MRG32K3A (with template type `rocrand_state_mrg32k3a`) | ||
|
|
||
| ### Fixes | ||
|
|
||
| * Sobol64 now returns 64-bit (instead of 32-bit) random numbers, which results in the performance of | ||
| this generator being regressed | ||
| * Bug that prevented Windows code compilation in C++ mode (with a host compiler) when rocRAND | ||
| headers were included | ||
|
|
||
| ## rocRAND-2.10.15 for ROCm 5.3.0 | ||
| ### Added | ||
| - New benchmark for the host api using googlebenchmark replacing `benchmark_rocrand_generate`, | ||
| `benchmark_rocrand_generate` is deprecated and will be removed in a future version. | ||
| ### Changed | ||
| - Increased number of warmup iterations for rocrand_benchmark_generate from 5 to 15 to eliminate corner cases that would generate artificially high benchmark scores. | ||
|
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||
| ### Additions | ||
|
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||
| * New benchmark for the host API using Google benchmark that replaces | ||
| `benchmark_rocrand_generate`, which is deprecated | ||
|
|
||
| ### Changes | ||
|
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||
| * Increased the number of warmup iterations for `rocrand_benchmark_generate` from 5 to 15 to | ||
| eliminate corner cases that generate artificially high benchmark scores | ||
|
|
||
| ## (Released) rocRAND-2.10.14 for ROCm 5.2.0 | ||
| ### Added | ||
| - Backward compatibility for deprecated `#include <rocrand.h>` using wrapper header files. | ||
| - Packages for test and benchmark executables on all supported OSes using CPack. | ||
|
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||
| ### Additions | ||
|
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||
| * Backward compatibility for `#include <rocrand.h>` (deprecated) using wrapper header files | ||
| * Packages for test and benchmark executables on all supported operating systems using CPack | ||
|
|
||
| ## rocRAND-2.10.13 for ROCm 5.1.0 | ||
| ### Added | ||
| - Generating a random sequence different sizes now produces the same sequence without gaps | ||
| indepent of how many values are generated per call. | ||
| - Only in the case of XORWOW, MRG32K3A, PHILOX4X32_10, SOBOL32 and SOBOL64 | ||
| - This only holds true if the size in each call is a divisor of the distributions | ||
| `output_width` due to performance | ||
| - Similarly the output pointer has to be aligned to `output_width * sizeof(output_type)` | ||
| ### Changed | ||
| - [hipRAND](https://github.com/ROCmSoftwarePlatform/hipRAND.git) split into a separate package | ||
| - Header file installation location changed to match other libraries. | ||
| - When using the `rocrand.h` header file, users should now use `#include <rocrand/rocrand.h>`, rather than `#include <rocrand.h>` | ||
| - rocRAND still includes hipRAND using a submodule | ||
| - The rocRAND package also sets the provides field with hipRAND, so projects which require hipRAND can begin to specify it. | ||
| ### Fixed | ||
| - Fix offset behaviour for XORWOW, MRG32K3A and PHILOX4X32_10 generator, setting offset now | ||
| correctly generates the same sequence starting from the offset. | ||
| - Only uniform int and float will work as these can be generated with a single call to the generator | ||
|
|
||
| ### Additions | ||
|
|
||
| * Generating a random sequence of different sizes now produces the sequence without gaps, | ||
| independent of how many values are generated per call | ||
| * This is only in the case of XORWOW, MRG32K3A, PHILOX4X32_10, SOBOL32, and SOBOL64 | ||
| * This is only true if the size in each call is a divisor of the distributions `output_width` due to | ||
| performance | ||
| * The output pointer must be aligned with `output_width * sizeof(output_type)` | ||
|
|
||
| ### Changes | ||
|
|
||
| * [hipRAND](https://github.com/ROCmSoftwarePlatform/hipRAND.git) has been split into a separate | ||
| package | ||
| * Header file installation location changed to match other libraries. | ||
| * When using the `rocrand.h` header file, use `#include <rocrand/rocrand.h>` rather than | ||
| `#include <rocrand.h>` | ||
| * rocRAND still includes hipRAND using a submodule | ||
| * The rocRAND package sets the provides field with hipRAND, so projects that require hipRAND can | ||
| begin to specify it | ||
|
|
||
| ### Fixes | ||
|
|
||
| * Offset behavior for XORWOW, MRG32K3A, and PHILOX4X32_10 generator | ||
| * Setting offset now correctly generates the same sequence starting from the offset | ||
| * Only uniform `int` and `float` will work, as these can be generated with a single call to the generator | ||
|
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||
| ### Known issues | ||
| - kernel_xorwow unit test is failing for certain GPU architectures. | ||
|
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||
| * `kernel_xorwow` unit test is failing for certain GPU architectures | ||
|
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||
| ## rocRAND-2.10.12 for ROCm 5.0.0 | ||
| ### Changed | ||
| - No updates or changes for ROCm 5.0.0. | ||
|
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||
| There are no updates for this ROCm release. | ||
|
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||
| ## rocRAND-2.10.12 for ROCm 4.5.0 | ||
| ### Addded | ||
| - Initial HIP on Windows support. See README for instructions on how to build and install. | ||
| ### Changed | ||
| - Packaging split into a runtime package called rocrand and a development package called rocrand-devel. The development package depends on runtime. The runtime package suggests the development package for all supported OSes except CentOS 7 to aid in the transition. The suggests feature in packaging is introduced as a deprecated feature and will be removed in a future rocm release. | ||
| ### Fixed | ||
| - Fix for mrg_uniform_distribution_double generating incorrect range of values | ||
| - Fix for order of state calls for log_normal, normal, and uniform | ||
|
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||
| ### Additions | ||
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| * Initial HIP on Windows support | ||
|
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| ### Changes | ||
|
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||
| * Packaging has been split into a runtime package (`rocrand`) and a development package | ||
| (`rocrand-devel`): | ||
| The development package depends on the runtime package. When installing the runtime package, | ||
| the package manager will suggest the installation of the development package to aid users | ||
| transitioning from the previous version's combined package. This suggestion by package manager is | ||
| for all supported operating systems (except CentOS 7) to aid in the transition. The `suggestion` | ||
| feature in the runtime package is introduced as a deprecated feature and will be removed in a future | ||
| ROCm release. | ||
|
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||
| ### Fixes | ||
|
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||
| * `mrg_uniform_distribution_double` is no longer generating an incorrect range of values | ||
| * Order of state calls for `log_normal`, `normal`, and `uniform` | ||
|
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||
| ### Known issues | ||
| - kernel_xorwow test is failing for certain GPU architectures. | ||
|
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| * `kernel_xorwow` test is failing for certain GPU architectures | ||
|
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||
| ## [rocRAND-2.10.11 for ROCm 4.4.0] | ||
| ### Added | ||
| - Sobol64 support added. | ||
| - Benchmark time measurement improvement | ||
| - Address Sanitizer build option added. | ||
| ### Fixed | ||
| - nvcc backend fix | ||
| - Fix ranges of MRG32k3a device functions. | ||
|
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||
| ### Additions | ||
|
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| * Sobol64 support | ||
| * Benchmark time measurement improvement | ||
| * AddressSanitizer build option | ||
|
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||
| ### Fixes | ||
|
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||
| * NVCC backend fix | ||
| * Fix ranges of MRG32k3a device functions | ||
|
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||
| ## [rocRAND-2.10.10 for ROCm 4.3.0] | ||
| ### Added | ||
| - gfx90a support added. | ||
| - gfx1030 support added | ||
| - gfx803 supported re-enabled | ||
| ### Fixed | ||
| - Memory leaks in Poisson tests has been fixed. | ||
| - Memory leaks when generator has been created but setting seed/offset/dimensions throws an exception has been fixed. | ||
|
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| ### Additions | ||
|
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| * gfx90a support | ||
| * gfx1030 support | ||
| * gfx803 supported re-enabled | ||
|
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| ### Fixes | ||
|
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| * Memory leaks in Poisson tests | ||
| * Memory leaks when generator is created, but setting seed/offset/dimensions throws an exception | ||
|
|
||
| ## [rocRAND-2.10.9 for ROCm 4.2.0] | ||
| ### Fixed | ||
| - rocRAND benchmark performance drop for xorwow has been fixed for older ROCm builds. | ||
|
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||
| ### Fixes | ||
|
|
||
| * The rocRAND benchmark performance drop for `xorwow` has been fixed for older ROCm builds | ||
|
|
||
| ## [rocRAND-2.10.8 for ROCm 4.1.0] | ||
| ### Added | ||
| - Ability to force install dependencies with new -d flag in install script | ||
| ### Changed | ||
| - rocRAND package name has been updated to support newer versions of ROCm. | ||
| ### Fixed | ||
| - rocRAND benchmark performance drop has been fixed. | ||
| - Debug builds via the install script have been fixed. | ||
|
|
||
| ### Additions | ||
|
|
||
| * Ability to force install dependencies with new `-d` flag in install script | ||
|
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||
| ### Changes | ||
|
|
||
| * rocRAND package name has been updated to support newer versions of ROCm | ||
|
|
||
| ### Fixes | ||
|
|
||
| * rocRAND benchmark performance drop | ||
| * Debug builds via the install script | ||
|
|
||
| ## [rocRAND-2.10.7 for ROCm 4.0.0] | ||
| ### Added | ||
| - No new features | ||
|
|
||
| There are no updates for this ROCm release. | ||
|
|
||
| ## [rocRAND-2.10.6 for ROCm 3.10] | ||
| ### Added | ||
| - No new features | ||
|
|
||
| There are no updates for this ROCm release. | ||
|
|
||
| ## [rocRAND-2.10.5 for ROCm 3.9.0] | ||
| ### Added | ||
| - No new features | ||
|
|
||
| There are no updates for this ROCm release. | ||
|
|
||
| ## [rocRAND-2.10.4 for ROCm 3.8.0] | ||
| ### Added | ||
| - No new features | ||
|
|
||
| There are no updates for this ROCm release. | ||
|
|
||
| ## [rocRAND-2.10.3 for ROCm 3.7.0] | ||
| ### Fixed | ||
| - Fixed package naming to reflect OS name and architecture. | ||
|
|
||
| ### Fixes | ||
|
|
||
| - Package naming now reflects operating system name and architecture | ||
|
|
||
| ## [rocRAND-2.10.2 for ROCm 3.6.0] | ||
| ### Added | ||
| - No new features | ||
|
|
||
| There are no updates for this ROCm release. | ||
|
|
||
| ## [rocRAND-2.10.1 for ROCm 3.5.0] | ||
| ### Added | ||
| - Static library build options added in beta (subject to change in build method and naming in future releases) | ||
| ### Changed | ||
| - Switched to hip-clang as default compiler | ||
| ### Deprecated | ||
| - HCC build deprecated | ||
|
|
||
| ### Additions | ||
|
|
||
| - Static library build options were added in the beta; these are subject to change (build method and | ||
| naming) in future releases | ||
|
|
||
| ### Changes | ||
|
|
||
| - HIP-Clang is now the default compiler | ||
|
|
||
| ### Deprecations | ||
|
|
||
| - HCC build |
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