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Changelog for Tensile

(Unreleased) Tensile 4.42.0

Added

  • Contributor and developer guide
  • Testing and documentation for MasterSolutionLibrary.ArchitectureIndexMap and remapSolutionIndicesStartingFrom
  • gfx12 support
  • Functions for writing master file
  • tPrint and reconcile printing options
  • Python unit test coverage report
  • Factor embed library logic into function and test
  • clang++ as cxx-compiler option for Windows
  • Logic to cope with different compilers
  • toFile function to include generateManifest and moved to utilities
  • Profiling CI job
  • Support for amdclang and use defaults
  • Architecture management functions in TensileCreateLibrary
  • TensileCreateLibrary CLI reference docs
  • New documentation for sphinx prototype and build out skeleton
  • Prediction model for optimal number of Stream-K tiles to run
  • Two-tile algorithm with Stream-K after DP
  • Atomic two-tile Stream-K and clean-up tuning parameters
  • Using glob to find logic files in TensileCreateLibrary
  • Function to confirm supported compiler rather than raw logic

Changed

  • Improved rocBLAS build output by allowing warning suppression, ignoring developer warnings, displaying progress bar and quiet printing
  • Reordered extensions for Windows in which function
  • updated amdclang++ and asm directories
  • Updated duplicate marking tests with mocks
  • Restored print ordering
  • Print option
  • Bumped rocm-docs-core from 1.2.0 to 1.5.0 in /docs/sphinx
  • Refactored kernel duplicate matching
  • Refactored generateLogicDataAndSolutions
  • Restricted XCC mapping to gfx942
  • Refactored argument parsing in TensileCreateLibrary
  • Disabled failing rhel9 tests
  • Changed line length to 100 characters for formatting
  • Changed YAML operations to use C libyaml backend
  • Improved warning text
  • Updated clang support for Windows
  • Updated supportedCompiler function
  • Clang support on Windows to require use of conditional choices and defaults
  • Refactored sanity check in TensileCreateLibrary
  • Moved client config logic from TensileCreateLibrary main into createClientConfig
  • Updated verifyManifest in TensileCreateLibrary
  • Updated RTD configs
  • Cleaned up CMake to avoid redundant work during client builds
  • Updated Stream-K debug settings

Removed

  • Deprecated flag from CI profiling job
  • Diagnostic print
  • Globals from prepAsm
  • Deprecated package-library option
  • Duplicate which function and minor cleanup

Optimized

To optimize the performance of Stream-K kernels:

  • Introduced analytical grid size prediction model
  • Remapped XCC-based workgroup

Resolved issues

  • Fixed stream-K XCC configs for gfx942
  • Updated WMMA capability command for ISA 10+
  • Fixed progress bar character encoding error on Windows
  • Fixed solution redundancy removal
  • Fixed tuning imports for pyyaml
  • Fixed printing of ASM capabilities for ROCm versions prior to 6.3
  • Fixed code objects by filtering kernels with build errors and unprocessed kernels
  • Fixed fully qualified std::get in contraction solutions
  • Fixed add -v flag and change system invocation
  • Used conditional imports for new dependencies to fix yaml CSafe load and dump import and rich terminal print import
  • Fixed comments on scalarStaticDivideAndRemainder

Tensile 4.41.0 for ROCm 6.2.0

Additions

  • new tuning script to summarize rocBLAS log file
  • new environment variable to test fixed grid size with Stream-K kernels
  • new Stream-K dynamic mode to run large problems at slightly reduced CU count if it improves work division and power
  • add reject conditions for SourceKernel + PrefetchGlobalRead/LoopDoWhile
  • add reject condition for PreloadKernelArguments (disable PreloadKernelArguments if not supported (instead of rejecting kernel generation))
  • support NT flag for global load and store for gfx94x
  • new Kernarg preloading feature (DelayRemainingArgument: initiate the load of the remaining (non-preloaded) arguments, updated AsmCaps, AsmRegisterPool to track registers for arguments and preload)
  • add option for rotating buffers timing with cache eviction
  • add predicate for arithmetic intensity
  • add DirectToVgpr + packing for f8/f16 + TLU cases
  • enable negative values for ExtraLatencyForLR to reduce interval of local read and wait for DTV
  • add test cases for DirectToVgpr + packing
  • add batch support for Stream-K kernels and new test cases
  • new tuning scripts to analyze rocblas-bench results and remove tuned sizes from liblogic
  • enable VgprForLocalReadPacking + PrefetchLocalRead=1 (removed the reject condition for VFLRP + PLR=1, added test cases for VFLRP + PLR=1)
  • support VectorWidthB (new parameter VectorWidthB)
  • support VectorWidth + non SourceSwap
  • add test cases for VectorWidthB, VectorWidth + non SourceSwap
  • add code owners file
  • new environment variables to dynamically adjust number of CUs used in Stream-K
  • add new parameters to specify global load width for A and B separately (GlobalLoadVectorWidthA, B (effective with GlobalReadVectorWidth=-1))
  • add xf32 option to rocblas-bench input creator

Optimizations

  • initialization optimizations (reordered init code for PreloadKernelArguments opt, used s_mov_b64 for 64 bit address copy, used v_mov_b64/ds_read_b64 for C register initialization, added undefine AddressC/D with PreloadKernelArguments, optimized waitcnt for prefetch global read with DirectToVgpr, refactored waitcnt code for DTV and moved all asm related code to KernelWriterAssembly.py)
  • optimize temp vgpr allocation for ClusterLocalRead (added if condition to allocate temp vgpr only for 8bit datatype)
  • reverse MFMA order in inner loop for odd outer iteration
  • optimize waitcnt lgkmcnt for 1LDSBuffer + PGR>1 (removed redundant waitcnt lgkmcnt after 1LDSBuffer sync)
  • enhance maximum value of DepthU to 1024 (used globalParameters MaxDepthU to define maximum value of DepthU)

Changes

  • update rocBLAS-bench-input-create script (added number of iteration based on performance, rotating buffer flag)
  • limit build threads based on CPUs/RAM available on system (for tests)
  • update required workspace size for Stream-K, skip kernel initialization when possible
  • use fallback libraries for archs without optimized logic
  • use hipMemcpyAsync for validation (replace hipMemcpy with hipMemcpyAsync + hipStreamSynchronize in ReferenceValidator)
  • remove OCL tests
  • disable HostLibraryTests
  • reduce extended test time by removing extra parameters in the test config files
  • disable InitAccVgprOpt for Stream-K
  • skip sgemm 64bit offset tests for gfx94x
  • skip DTV, DTL, LSU+MFMA tests for gfx908
  • increase extended test timeout to 720 min
  • update xfail test (1sum tests only failing on gfx90a)
  • update lib logic convertor script
  • test limiting CI threads for only gfx11
  • WGM related kernargs are removed if they are not needed (WGM=-1,0,1)
  • cleanup on unused old code, mostly related to old client
  • change GSUA to SingleBuffer if GlobalSplitU=1 + MultipleBuffer, instead of rejecting it
  • update efficiency script for new architecture and xf32 datatype
  • re-enable negative values for WorkGroupMapping (asm kernel only)
  • disable HW monitor for aquvavanjaram941
  • pre-apply offsets for strided batch kernels
  • update tensile build with 16 threads

Fixes

  • fix WorkspaceCheck implementation when used in rocBLAS
  • ignore asm cap check for kernel arg preload for rocm6.0 and older
  • fix Stream-K partials cache behavior
  • fix MasterSolutionLibrary indexing for multiple architecture build
  • fix memory allocation fail with FlushMemorySize + StridedBatched/Batched cases (multiply batch count size when calculating array size)
  • fix BufferLoad=False with Stream-K
  • fix mismatch issue with GlobalReadCoalesceGroup
  • fix rocblas build fail on gfx11 (used state["ISA"] for reject conditions instead of globalParameters["CurrentISA"])
  • fix for LdsPad auto (fixed incorrect value assignment for autoAdjusted, set LdsBlockSizePerPadA or B = 0 if stride is not power of 2)
  • fix inacurate vgpr allocation for ClusterLocalRead
  • fix mismatch issue with LdsBlockSizePerPad + MT1(or 0) not power of 2
  • fix mismatch issue with InitAccOpt + InnerUnroll (use const 0 for src1 of MFMA only if index of innerUnrll (iui) is 0)
  • fix HostLibraryTests on gfx942 and gfx941
  • fix LLVM crash issue
  • fix for newer windows vcpkg msgpack and vcpkg version package name
  • fix an error with DisableKernelPieces + 32bit ShadowLimit

Tensile 4.40.0 for ROCm 6.1.0

Additions

  • new DisableKernelPieces values to invalidate local read, local write, and global read
  • stream-K kernel generation, including two-tile stream-k algorithm by setting StreamK=3
  • feature to allow testing stream-k grid multipliers
  • debug output to check occupancy for Stream-K
  • reject condition for FractionalLoad + DepthU!=power of 2
  • new TENSILE_DB debugging value to dump the common kernel parameters
  • predicate for APU libs
  • new parameter (ClusterLocalRead) to turn on/off wider local read opt for TileMajorLDS
  • new parameter (ExtraLatencyForLR) to add extra interval between local read and wait
  • new logic to check LDS size with auto LdsPad(=1) and change LdsPad to 0 if LDS overflows
  • initialization type and general batched options to the rocblas-bench input creator script

Optimizations

  • enabled MFMA + LocalSplitU=4 for MT16x16
  • enabled (DirectToVgpr + MI4x4) and supported skinny MacroTile
  • optimized postGSU kernel: separate postGSU kernels for different GSU values, loop unroll for GSU loop, wider global load depending on array size, and parallel reduction depending on array size
  • auto LdsPad calculation for TileMajorLds + MI16x16
  • auto LdsPad calculation for UnrollMajorLds + MI16x16 + VectorWidth

Changes

  • cleared hipErrorNotFound error since it is an expected part of the search
  • modified hipcc search path for Linux
  • changed PCI ID from 32bit to 64bit for ROCm SMI HW monitor
  • changed LdsBlockSizePerPad to LdsBlockSizePerPadA, B to specify LBSPP separately
  • changed the default value of LdsPadA, B, LdsBlockSizePerPadA, B from 0 to -1
  • updated test cases according to parameter changes for LdsPad, LBSPP and ClusterLocalRead
  • Replaced std::regex with fnmatch()/PathMatchSpec as a workaround to std::regex stack overflow known bug

Fixes

  • hipcc compile append flag parallel-jobs=4
  • race condition in Stream-K that appeared with large grids and small sizes
  • mismatch issue with LdsPad + LdsBlockSizePerPad!=0 and TailLoop
  • mismatch issue with LdsPad + LdsBlockSizePerPad!=0 and SplitLds
  • incorrect reject condition check for DirectToLds + LdsBlockSizePerPad=-1 case
  • small fix for LdsPad optimization (LdsElement calculation)

Tensile 4.39.0 for ROCm 6.0

Added

  • Added aquavanjaram support: gfx940/gfx941/gfx942, fp8/bf8 datatype, xf32 datatype, and stochastic rounding for various datatypes
  • Added/updated tuning scripts
  • Added DirectToLds support for larger data types with 32bit global load (old parameter DirectToLds is replaced with DirectToLdsA and DirectToLdsB), and the corresponding test cases
  • Added the average of frequency, power consumption, and temperature information for the winner kernels to the CSV file
  • Added asmcap check for MFMA + const src
  • Added support for wider local read + pack with v_perm (with VgprForLocalReadPacking=True)
  • Added a new parameter to increase miLatencyLeft

Optimizations

  • Enabled InitAccVgprOpt for MatrixInstruction cases
  • Implemented local read related parameter calculations with DirectToVgpr
  • Adjusted miIssueLatency for gfx940
  • Enabled dedicated vgpr allocation for local read + pack
  • Optimized code initialization
  • Optimized sgpr allocation
  • Supported DGEMM TLUB + RLVW=2 for odd N (edge shift change)
  • Enabled miLatency optimization for (gfx940/gfx941 + MFMA) for specific data types, and fixed instruction scheduling

Changed

  • Removed old code for DTL + (bpe * GlobalReadVectorWidth > 4)
  • Changed/updated failed CI tests for gfx11xx, InitAccVgprOpt, and DTLds
  • Removed unused CustomKernels and ReplacementKernels
  • Added a reject condition for DTVB + TransposeLDS=False (not supported so far)
  • Removed unused code for DirectToLds
  • Updated test cases for DTV + TransposeLDS=False
  • Moved parameter MinKForGSU from globalparameter to BenchmarkCommonParameter to support smaller K
  • Changed how to calculate latencyForLR for miLatency
  • Set minimum value of latencyForLRCount for 1LDSBuffer to avoid getting rejected by overflowedResources=5 (related to miLatency)
  • Refactored allowLRVWBforTLUandMI and renamed it as VectorWidthB
  • Supported multi-gpu for different architectures in lazy library loading
  • Enabled dtree library for batch > 1
  • Added problem scale feature for dtree selection
  • Enabled ROCm SMI for gfx940/941.
  • Modified non-lazy load build to skip experimental logic

Fixed

  • Fixed predicate ordering for fp16alt impl round near zero mode to unbreak distance modes
  • Fixed boundary check for mirror dims and re-enable disabled mirror dims test cases
  • Fixed merge error affecting i8 with wmma
  • Fixed mismatch issue with DTLds + TSGR + TailLoop
  • Fixed a bug with InitAccVgprOpt + GSU>1 and a mismatch issue with PGR=0
  • Fixed override for unloaded solutions when lazy loading
  • Fixed build some errors (adding missing headers)
  • Fixed boost link for a clean build on ubuntu22
  • Fixed bug in forcestoresc1 arch selection
  • Fixed compiler directive for gfx941 and gfx942
  • Fixed formatting for DecisionTree_test.cpp

Tensile 4.38.0 for ROCm 5.7

Added

  • Added support for FP16 Alt Round Near Zero Mode (this feature allows the generation of alternate kernels with intermediate rounding instead of truncation)
  • Added user-driven solution selection feature

Optimizations

  • Enabled LocalSplitU with MFMA for I8 data type
  • Optimized K mask code in mfmaIter
  • Enabled TailLoop code in NoLoadLoop to prefetch global/local read
  • Enabled DirectToVgpr in TailLoop for NN, TN, and TT matrix orientations
  • Optimized DirectToLds test cases to reduce the test duration

Changed

  • Removed DGEMM NT custom kernels and related test cases
  • Changed noTailLoop logic to apply noTailLoop only for NT
  • Changed the range of AssertFree0ElementMultiple and Free1
  • Unified aStr, bStr generation code in mfmaIter

Fixed

  • Fixed LocalSplitU mismatch issue for SGEMM
  • Fixed BufferStore=0 and Ldc != Ldd case
  • Fixed mismatch issue with TailLoop + MatrixInstB > 1

Tensile 4.37.0 for ROCm 5.6

Added

  • Added user driven tuning API
  • Added decision tree fallback feature
  • Added SingleBuffer + AtomicAdd option for GlobalSplitU
  • DirectToVgpr support for fp16 and Int8 with TN orientation
  • Added new test cases for various functions
  • Added SingleBuffer algorithm for ZGEMM/CGEMM
  • Added joblib for parallel map calls
  • Added support for MFMA + LocalSplitU + DirectToVgprA+B
  • Added asmcap check for MIArchVgpr
  • Added support for MFMA + LocalSplitU
  • Added frequency, power, and temperature data to the output

Optimizations

  • Improved the performance of GlobalSplitU with SingleBuffer algorithm
  • Reduced the running time of the extended and pre_checkin tests
  • Optimized the Tailloop section of the assembly kernel
  • Optimized complex GEMM (fixed vgpr allocation, unified CGEMM and ZGEMM code in MulMIoutAlphaToArch)
  • Improved the performance of the second kernel of MultipleBuffer algorithm

Changed

  • Updated custom kernels with 64-bit offsets
  • Adapted 64-bit offset arguments for assembly kernels
  • Improved temporary register re-use to reduce max sgpr usage
  • Removed some restrictions on VectorWidth and DirectToVgpr
  • Updated the dependency requirements for Tensile
  • Changed the range of AssertSummationElementMultiple
  • Modified the error messages for more clarity
  • Changed DivideAndReminder to vectorStaticRemainder in case quotient is not used
  • Removed dummy vgpr for vectorStaticRemainder
  • Removed tmpVgpr parameter from vectorStaticRemainder/Divide/DivideAndReminder
  • Removed qReg parameter from vectorStaticRemainder

Fixed

  • Fixed tmp sgpr allocation to avoid over-writing values (alpha)
  • 64-bit offset parameters for post kernels
  • Fixed gfx908 CI test failures
  • Fixed offset calculation to prevent overflow for large offsets
  • Fixed issues when BufferLoad and BufferStore are equal to zero
  • Fixed StoreCInUnroll + DirectToVgpr + no useInitAccVgprOpt mismatch
  • Fixed DirectToVgpr + LocalSplitU + FractionalLoad mismatch
  • Fixed the memory access error related to StaggerU + large stride
  • Fixed ZGEMM 4x4 MatrixInst mismatch
  • Fixed DGEMM 4x4 MatrixInst mismatch
  • Fixed ASEM + GSU + NoTailLoop opt mismatch
  • Fixed AssertSummationElementMultiple + GlobalSplitU issues
  • Fixed ASEM + GSU + TailLoop inner unroll

Tensile 4.36.0 for ROCm 5.5.0

Added

  • Add functions for user-driven tuning
  • Add GFX11 support: HostLibraryTests yamls, rearragne FP32(C)/FP64(C) instruction order, archCaps for instruction renaming condition, adjust vgpr bank for A/B/C for optimize, separate vscnt and vmcnt, dual mac
  • Add binary search for Grid-Based algorithm
  • Add reject condition for (StoreCInUnroll + BufferStore=0) and (DirectToVgpr + ScheduleIterAlg<3 + PrefetchGlobalRead==2)
  • Add support for (DirectToLds + hgemm + NN/NT/TT) and (DirectToLds + hgemm + GlobalLoadVectorWidth < 4)
  • Add support for (DirectToLds + hgemm(TLU=True only) or sgemm + NumLoadsCoalesced > 1)
  • Add GSU SingleBuffer algorithm for HSS/BSS
  • Add gfx900:xnack-, gfx1032, gfx1034, gfx1035
  • Enable gfx1031 support

Optimizations

  • Use AssertSizeLessThan for BufferStoreOffsetLimitCheck if it is smaller than MT1
  • Improve InitAccVgprOpt

Changed

  • Use global_atomic for GSU instead of flat and global_store for debug code
  • Replace flat_load/store with global_load/store
  • Use global_load/store for BufferLoad/Store=0 and enable scheduling
  • LocalSplitU support for HGEMM+HPA when MFMA disabled
  • Update Code Object Version
  • Type cast local memory to COMPUTE_DATA_TYPE in LDS to avoid precision loss
  • Update asm cap cache arguments
  • Unify SplitGlobalRead into ThreadSeparateGlobalRead and remove SplitGlobalRead
  • Change checks, error messages, assembly syntax, and coverage for DirectToLds
  • Remove unused cmake file
  • Clean up the LLVM dependency code
  • Update ThreadSeparateGlobalRead test cases for PrefetchGlobalRead=2
  • Update sgemm/hgemm test cases for DirectToLds and ThreadSepareteGlobalRead

Fixed

  • Add build-id to header of compiled source kernels
  • Fix solution index collisions
  • Fix h beta vectorwidth4 correctness issue for WMMA
  • Fix an error with BufferStore=0
  • Fix mismatch issue with (StoreCInUnroll + PrefetchGlobalRead=2)
  • Fix MoveMIoutToArch bug
  • Fix flat load correctness issue on I8 and flat store correctness issue
  • Fix mismatch issue with BufferLoad=0 + TailLoop for large array sizes
  • Fix code generation error with BufferStore=0 and StoreCInUnrollPostLoop
  • Fix issues with DirectToVgpr + ScheduleIterAlg<3
  • Fix mismatch issue with DGEMM TT + LocalReadVectorWidth=2
  • Fix mismatch issue with PrefetchGlobalRead=2
  • Fix mismatch issue with DirectToVgpr + PrefetchGlobalRead=2 + small tile size
  • Fix an error with PersistentKernel=0 + PrefetchAcrossPersistent=1 + PrefetchAcrossPersistentMode=1
  • Fix mismatch issue with DirectToVgpr + DirectToLds + only 1 iteration in unroll loop case
  • Remove duplicate GSU kernels: for GSU = 1, GSUAlgorithm SingleBuffer and MultipleBuffer kernels are identical
  • Fix for failing CI tests due to CpuThreads=0
  • Fix mismatch issue with DirectToLds + PrefetchGlobalRead=2
  • Remove the reject condition for ThreadSeparateGlobalRead and DirectToLds (HGEMM, SGEMM only)
  • Modify reject condition for minimum lanes of ThreadSeparateGlobalRead (SGEMM or larger data type only)

Tensile 4.35.0 for ROCm 5.4.0

Added

  • Async DMA support for Transpose Data Layout (ThreadSeparateGlobalReadA/B)
  • Option to output library logic in dictionary format
  • No solution found error message for benchmarking client
  • Exact K check for StoreCInUnrollExact
  • Support for CGEMM + MIArchVgpr
  • client-path parameter for using prebuilt client
  • CleanUpBuildFiles global parameter
  • Debug flag for printing library logic index of winning solution
  • NumWarmups global parameter for benchmarking
  • Windows support for benchmarking client
  • DirectToVgpr support for CGEMM
  • TensileLibLogicToYaml for creating tuning configs from library logic solutions

Optimizations

  • Put beta code and store separately if StoreCInUnroll = x4 store
  • Improved performance for StoreCInUnroll + b128 store

Changed

  • Re-enable HardwareMonitor for gfx90a
  • Decision trees use MLFeatures instead of Properties

Fixed

  • Reject DirectToVgpr + MatrixInstBM/BN > 1
  • Fix benchmark timings when using warmups and/or validation
  • Fix mismatch issue with DirectToVgprB + VectorWidth > 1
  • Fix mismatch issue with DirectToLds + NumLoadsCoalesced > 1 + TailLoop
  • Fix incorrect reject condition for DirectToVgpr
  • Fix reject condition for DirectToVgpr + MIWaveTile < VectorWidth
  • Fix incorrect instruction generation with StoreCInUnroll

Tensile 4.34.0 for ROCm 5.3.0

Added

  • Lazy loading of solution libraries and code object files
  • Support for dictionary style logic files
  • Support for decision tree based logic files using dictionary format
  • DecisionTreeLibrary for solution selection
  • DirectToLDS support for HGEMM
  • DirectToVgpr support for SGEMM
  • Grid based distance metric for solution selection
  • Support for gfx11xx
  • Support for DirectToVgprA/B + TLU=False
  • ForkParameters Groups as a way of specifying solution parameters
  • Support for a new Tensile yaml config format
  • TensileClientConfig for generating Tensile client config files
  • Options for TensileCreateLibrary to build client and create client config file

Optimizations

  • Solution generation is now cached and is not repeated if solution parameters are unchanged

Changed

  • Default MACInstruction to FMA

Fixed

  • Accept StaggerUStride=0 as valid
  • Reject invalid data types for UnrollLoopEfficiencyEnable
  • Fix invalid code generation issues related to DirectToVgpr
  • Return hipErrorNotFound if no modules are loaded
  • Fix performance drop for NN ZGEMM with 96x64 macro tile
  • Fix memory violation for general batched kernels when alpha/beta/K = 0

Tensile 4.33.0 for ROCm 5.2.0

Added

  • TensileUpdateLibrary for updating old library logic files
  • Support for TensileRetuneLibrary to use sizes from separate file
  • ZGEMM DirectToVgpr/DirectToLds/StoreCInUnroll/MIArchVgpr support
  • Tests for denorm correctness
  • Option to write different architectures to different TensileLibrary files

Optimizations

  • Optimize MessagePackLoadLibraryFile by switching to fread
  • DGEMM tail loop optimization for PrefetchAcrossPersistentMode=1/DirectToVgpr

Changed

  • Alpha/beta datatype remains as F32 for HPA HGEMM
  • Force assembly kernels to not flush denorms
  • Use hipDeviceAttributePhysicalMultiProcessorCount as multiProcessorCount

Fixed

  • Fix segmentation fault when run i8 datatype with TENSILE_DB=0x80

Tensile 4.32.0 for ROCm 5.1.0

Added

  • Better control of parallelism to control memory usage
  • Support for multiprocessing on Windows for TensileCreateLibrary
  • New JSD metric and metric selection functionality
  • Initial changes to support two-tier solution selection

Optimizations

  • Optimized runtime of TensileCreateLibraries by reducing max RAM usage
  • StoreCInUnroll additional optimizations plus adaptive K support
  • DGEMM NN optimizations with PrefetchGlobalRead(PGR)=2 support

Changed

  • Update Googletest to 1.11.0

Removed

  • Remove no longer supported benchmarking steps

Tensile 4.31.0 for ROCm 5.0.0

Added

  • DirectToLds support (x2/x4)
  • DirectToVgpr support for DGEMM
  • Parameter to control number of files kernels are merged into to better parallelize kernel compilation
  • FP16 alternate implementation for HPA HGEMM on aldebaran

Optimizations

  • Add DGEMM NN custom kernel for HPL on aldebaran

Changed

  • Update tensile_client executable to std=c++14

Removed

  • Remove unused old Tensile client code

Fixed

  • Fix hipErrorInvalidHandle during benchmarks
  • Fix addrVgpr for atomic GSU
  • Fix for Python 3.8: add case for Constant nodeType
  • Fix architecture mapping for gfx1011 and gfx1012
  • Fix PrintSolutionRejectionReason verbiage in KernelWriter.py
  • Fix vgpr alignment problem when enabling flat buffer load

Tensile 4.30.0 for ROCm 4.5.0

Added

  • Custom Kernel mechanism for adding custom assembly kernels to Tensile
  • New assertions for problems sizes, alpha/beta values, and C equals D
  • Support setting VectorWidth in M dimension in MFMA SourceSwap configuration

Fixed

  • Fix merge.py keeping duplicate solutions
  • Fix ScheduleIterAlg 2,3 cases for aldebaran

Tensile 4.28.0 for ROCm 4.3.0

Added

  • TensileRetuneLibrary for updating existing library logic files
  • Support GFX1030
  • Support NHWC

Fixed

  • TensileCreateLibrary crash with relative output and --merge-files

Changed

  • Change cmake_minimum_required to VERSION 3.13

Tensile 4.27.0 for ROCm 4.2.0

Added

  • Benchmarking and library support for CU efficiency vs. overall speed
  • support general batch GEMM
  • Support offset for each input/output buffer in Tensile
  • support support ldc != ldd for all GEMM kernel

Optimizations

  • Refactor ConvolutionVsContraction

Fixed

  • Fixed MasterSolutionLibrary having duplicated hardware rows
  • channel stride is incorrect when converting conv problem into tensor contraction problem

Tensile 4.26.0 for ROCm 4.1.0

Added

  • Make messagepack python dependency optional
  • TensileCreateLibraryFiles: auto create target for build time lib generation
  • Tensile cluster tuning tool
  • Framework for filtering solutions
  • Workflow for manually editing Kernels
  • Tuning client design doc
  • MatrixInstruction for general int8
  • Tensile integration test for TensileCreateLibrary
  • Trig float and random narrow init patterns for new client
  • Summation dimension mirroring (contributed by timlathy & Slimakanzer)
  • ROCm 4.1 TargetID support in Tensile; source kernels force xnack=OFF
  • Tensile/Utilities/merge.py revamp for merging logic yaml files
    • now merge.py requires python3
    • add -v verbosity levels (up to 2)
    • add --notrim to retain leading dimensions in sizes
  • New BoundsCheck design: Access guard page will trigger memory fault
  • Solution fitness metric
  • Auto-tuning documentation and build script improvements
  • Support for High Precision Accumulate FP16/BF16 In FP32 Out
  • CHANGELOG.md

Optimizations

  • Refine PersistentKernel: support PKn1, EPS, optimize LW-vmcnt and sMagicDiv2

Fixed

  • targets to clang-offload-bundler updated to use hipv4 prefix when appropriate
  • Fix bugs of tail-loop branch label, and LR addr restore
  • locateExe in Tensile/Common.py looks in defaultPath first
  • Honor $ENV{ROCM_PATH} to support relocatable ROCm location