$! The most widely used is the, Intel Math Kernel Library Developer Reference, This exercise demonstrates declaring variables, storing matrix values in the arrays, and calling. Alternatively, you can use the supplied build scripts to build and run the executables. Visible to Intel only DO J = 1, N JY=JY+INCY #..Parameters.. 3) Another possibility is to use operations different from N, for example the transpose T of the hermitian C, for example this two codes are equivalent but the second is faster and use less memory: notice that the LDA and LDB specify the entry dimension of the matrix A and B, therefore in the second case the entry dimension is the first dimension of the original matrices A and B, while in the first example it corresponds to the one of transpose(A) and transpose(B). PRINT *, "scalars" Sign in here. Please click the verification link in your email. information regarding the specific instruction sets covered by this notice. The above code works. #ALPHA-DOUBLEPRECISION. LOGICALLSAME In this case: Character indicating that the matrices PROGRAM MAIN $RETURN Go to: [ bottom of page] [ top of archives] [ this month] From: <pkg-fallout_at_FreeBSD.org> Date: Thu, 28 Oct 2021 01:49:10 UTC Thu, 28 Oct 2021 01:49:10 UTC GEMM with oneMKLFortran OpenMP Offload Use target data mapto send matrices to the device Use target variant dispatchto request GPU execution for dgemm List mapped device pointers in the use_device_ptrclause Optional nowaitclause for asynchronous execution Use !$omptaskwaitfor synchronization Module for Fortran OpenMP offload 11 Are you sure you want to create this branch? For example, you can perform this operation with the transpose or conjugate transpose of Dont have an Intel account? INFO=3 END. An Optimized Framework for Matrix Factorization on the New Sunway Many ENDIF The most widely used is the CALL DGEMM('N','N',M,N,K,ALPHA,A,M,B,K,BETA,C,M) Intels products and software are intended only to be used in applications that do not cause or contribute to a violation of an internationally recognized human right. #mbynmatrix. DGEMM Purpose: DGEMM performs one of the matrix-matrix operations C := alpha*op ( A )*op ( B ) + beta*C, where op ( X ) is one of op ( X ) = X or op ( X ) = X**T, alpha and beta are scalars, and A, B and C are matrices, with op ( A ) an m by k matrix, op ( B ) a k by n matrix and C an m by n matrix. R News CHANGES IN R 3.4.1 INSTALLATION on a UNIX-ALIKE. mermaid sightings in ireland; is color optimizing creme the same as developer; harley davidson 1584 cc motor; what experiment did stan have in mind answers Use dgemm to Multiply Matrices DOUBLEPRECISIONTEMP [Fortran]Multiplying Matrices Using dgemm, Low-Volume Rapid Injection Molding With 3D Printed Molds, Industry Perspective: Education and Metal 3D Printing. # Do you work for Intel? Examine how the principles of DfAM upend many of the long-standing rules around manufacturability - allowing engineers and designers to place a parts function at the center of their design considerations. SUBROUTINEDGEMV(TRANS,M,N,ALPHA,A,LDA,X,INCX, #..ScalarArguments.. Intel does not guarantee the availability, functionality, or effectiveness of any optimization on microprocessors not manufactured by Intel. ExternalFunctions.. # As this issue has been resolved, we will no longer respond to this thread. Making statements based on opinion; back them up with references or personal experience. DO110,I=1,M That's right Mark. Already a member? This call to the dgemm routine multiplies the matrices: The arguments provide options for how oneMKL performs the operation. The Fortran source code for the exercises in this tutorial. ENDIF How to prove that the supernatural or paranormal doesn't exist? In this case: Integers indicating the size of the matrices: Real value used to scale the product of matrices, Intel MKL provides many options for creating code for multiple processors and operating systems, compatible with different compilers and third-party libraries, and with different interfaces. Intel's compilers may or may not optimize to the same degree # Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. #include "fintrf.h" subroutine mexFunction (nlhs, plhs, nrhs, prhs) mwPointer plhs (*), prhs (*) integer . Initialize host data. LAPACK_Examples/dgeev_example.f90 at master - GitHub B(I,J) = -((I-1) * N + J) The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup. The dgemm routine can perform several calculations. Here are my example matrices: [itex]A = \begin{bmatrix}1 &1 &1 &1 \\ 1 &1 &1 &1 \\ 1 &1 &1 &1 \\ 1 &1 &1 &1 \end{bmatrix} . #JackDongarra,ArgonneNationalLab. are intended for use with Intel microprocessors. A, or the number of elements between successive Thanks for contributing an answer to Stack Overflow! See Intels Global Human Rights Principles. Visit Stack Exchange Tour Start here for quick overview the site Help Center Detailed answers. Please read the documents on OpenBLAS wiki.. Binary Packages. #TRANS='T'or't'y:=alpha*A'*x+beta*y. # Keeping this sequence of operations in mind, let's look at a CUDA Fortran example. Close this window and log in. # Call LAPACK and BLAS Functions - MATLAB & Simulink - MathWorks Class Dgemm java.lang.Object org.netlib.blas.Dgemm public class Dgemm extends java.lang.Object Following is the description from the original Fortran source. Please let us know here why this post is inappropriate. INFO=2 #Unchangedonexit. DO80,J=1,N of Tennessee // Performance varies by use, configuration and other factors. Microprocessor-dependent optimizations in this product are intended for use with Intel microprocessors. #SetLENXandLENY,thelengthsofthevectorsxandy,andset * * Purpose * ======= * I would like to multiply two arrays in Fortran using DGEMM (BLAS procedure). Refer to the reference manual for additional documentation. ELSE dgemv.f - SourceForge By joining you are opting in to receive e-mail. IY=KY $RETURN columns (for column major storage) in memory. cran.microsoft.com blas - undefined reference to `dgemm_' in gfortran in windows subsystem INFO=1 #max(1,m). LENX=N You may re-send via your Click here for more Getting Started Tutorials, Tutorial: Using the Intel Math Kernel Library for Matrix Multiplication, Introduction to the Intel Math Kernel Library Introduction to the Intel Math Kernel Library, Multiplying Matrices Using dgemm Multiplying Matrices Using dgemm, Measuring Performance with Intel MKL Support Functions Measuring Performance with Intel MKL Support Functions, https://software.intel.com/en-us/product-code-samples, https://software.intel.com/en-us/articles/intel-math-kernel-library-intel-mkl-2019-getting-started, http://software.intel.com/en-us/articles/intel-mkl-link-line-advisor/. TEMP=ALPHA*X(JX) This exercise demonstrates declaring variables, storing matrix values in the arrays, and calling dgemm to compute the product of the matrices. Can airtags be tracked from an iMac desktop, with no iPhone? Your email address will not be published. # END, This exercise illustrates how to call the, CALL DGEMM('N','N',M,N,K,ALPHA,A,M,B,K,BETA,C,M). Copyright 1998-2023 engineering.com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. PARAMETER(ONE=1.0D+0,ZERO=0.0D+0) In this paper we will present a detailed study on tuning double-precision matrix-matrix multiplication (DGEMM) on the Intel Xeon E5-2680 CPU. Dont have an Intel account? # * Fortran source code is found in dgemm_example.f Leading dimension of array A and Fortran source code is found in dgemm_example.f PROGRAM MAIN IMPLICIT NONE DOUBLE PRECISION ALPHA, BETA INTEGER M, K, N, I, J PARAMETER (M=2000, K=200, N=1000) DOUBLE PRECISION A (M,K), B (K,N), C (M,N) PRINT *, "This example computes real matrix C=alpha*A*B+beta*C" PRINT *, "using Intel (R) MKL function dgemm, where A, B, and C" PRINT *, "are Please click the verification link in your email. PRINT *, "" Y(IY)=Y(IY)+TEMP*A(I,J) To compile and link the exercises in this tutorial with Intel Parallel Studio XE Composer Edition, type. Sign up here Do you work for Intel? Source module last modified on Thu, 2 Jul 1998, 23:17; Thank you for spending some time to describe all of this out for folks. INFO=8 ELSE #M-INTEGER. Error Status 2.1.2. cuBLAS Context 2.1.3. #TRANS-CHARACTER*1. File: ac_rna_features.m4 | Debian Sources #INCY-INTEGER. You can call LAPACK and BLAS functions from Fortran MEX files. Example C and Fortran code showing how to offload blas calls from OpenMP regions, using cuBLAS, NVBLAS, and MKL. #Onentry,INCYspecifiestheincrementfortheelementsof Procceeding to close the question. communities including Stack Overflow, the largest, most trusted online community for developers learn, share their knowledge, and build their careers. mkl [here] ifort -mkl dgemm_example.f ./ a.outlibmkl_intel_lp64.so " I cannot find the reference manual for Fortran. orpassword? Y(IY)=ZERO GUID: You signed in with another tab or window. Y(JY)=Y(JY)+ALPHA*TEMP links: PTS, VCS area: non-free; in suites: bookworm, sid; size: 73,432 kB; sloc: ansic: 164,656; cpp: 16,273; perl: 6,471; pascal: 5,406 . For other compilers, use the Intel MKL Link Line Advisor to generate a command line to compile and link the exercises in this tutorial: After compiling and linking, execute the resulting executable file, named. PRINT *, "" B. ENDIF IF(X(JX)!=ZERO)THEN 90CONTINUE Go to: [ bottom of page] [ top of archives] [ this month] From: <pkg-fallout_at_FreeBSD.org> Date: Sun, 31 Oct 2021 06:48:50 UTC Sun, 31 Oct 2021 06:48:50 UTC PRINT *, "Initializing data for matrix multiplication C=A*B for " Y(IY)=BETA*Y(IY) 20 FORMAT(6(F12.0,1x)) #Formy:=alpha*A'*x+y. #.. // Intel is committed to respecting human rights and avoiding complicity in human rights abuses. Connect and share knowledge within a single location that is structured and easy to search. Based on the test case posted here. DO30,I=1,LENY #inthecalling(sub)program. #follows: This assumes that you have installed Intel MKL and set environment variables as described in mentioned batch DGEMM with an example in C. It mentioned " It has Fortran 77 and Fortran 95 APIs, and also CBLAS bindings. For the executables in this tutorial, the build scripts are named: This assumes that you have installed Intel MKL and set environment variables as described in. CUDA Examples - UFRC - University of Florida KY=1-(LENY-1)*INCY . http://software.intel.com/en-us/articles/intel-mkl-link-line-advisor/. Intel MKL provides several routines for multiplying matrices. Because BLAS is written in Fortran . # A and Here is the call graph for this function: * -- Reference BLAS is a software package provided by Univ. # KX=1 for2html on Sun, 23 Jun 2002, 15:10. IF(! [package - 130arm64-quarterly][biology/treekin] Failed for treekin-0.5.1_3 in build. Intrinsic matmul vs. LAPACK - Google Groups PARAMETER (M=2000, K=200, N=1000) The arrays are used to store these matrices: The one-dimensional arrays in the exercises store the matrices by placing the elements of each column in successive cells of the arrays. Please refer to the applicable product User and Reference Guides for more IF(INCY>0)THEN #accessedsequentiallywithonepassthroughA. In the LAPACK library, matrix factorization functions are implemented with blocked factorization algorithm, shifting . Click Here to join Eng-Tips and talk with other members! cuBLAS - NVIDIA Developer SGEMM, DGEMM, CGEMM, and ZGEMM (Combined Matrix Multiplication and Addition for General Matrices, Their Transposes, or Conjugate Transposes) Edit online Purpose SGEMM and DGEMM can perform any one of the following combined matrix computations, using scalars and , matrices Aand Bor their transposes, and matrix C: rows. DO70,I=1,M Re: Fedora 32 System-Wide Change proposal: x86-64 micro-architecture update WhenBETAis Login. # #upthestartpointsinXandY. In the case of this exercise the leading dimension is the same as the number of rows. A(I,J) = (I-1) * K + J DO60,J=1,N SGEMM, DGEMM, CGEMM, and ZGEMM - IBM - United States Bulk update symbol size units from mm to map units in rule-based symbology, Replacing broken pins/legs on a DIP IC package, Recovering from a blunder I made while emailing a professor. Refer to the reference manual for additional documentation. IY=IY+INCY For example, you can perform this operation with the transpose or conjugate transpose of A and B. This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. on-premise software solutions, CAD file management, compliance, and more. The example program solves the following system of linear equations with LAPACK: The LAPACK subroutine sgesv()computes the solution to a real system of linear equations AX = B, where Ais an n-by-nmatrix, and Xand Bare n-by-nrhsmatrices. TEMP=ALPHA*X(JX) DO I = 1, K ?gemm topic in the #y:=alpha*A*x+beta*y,ory:=alpha*A'*x+beta*y, . A simple guide to s/d/c/z-gemm in Fortran. Intel MKL provides many options for creating code for multiple processors and operating systems, compatible with different compilers and third-party libraries, and with different interfaces. For other compilers, use the oneMKL Link Line Advisor to generate a command line to compile and link the exercises in this tutorial: http://software.intel.com/en-us/articles/intel-mkl-link-line-advisor/. Ask questions and share information with other developers who use Intel Math Kernel Library. 50CONTINUE Using the cuBLAS API 2.1. Intel technologies may require enabled hardware, software or service activation. for a basic account. Certain optimizations not specific to Intel microarchitecture are reserved for Intel microprocessors. JX=JX+INCX Understanding BLAS dgemm in C | Physics Forums $! Correct ld link PROVIDE syntax for translating symbol names KY=1 After you unzip the The complete details of capabilities of the dgemm routine and all of its arguments can be found in the ?gemm topic in the Intel Math Kernel Library Reference Manual. for non-Intel microprocessors for optimizations that are not unique to Intel Solved: Batch DGEMM Fortran example? - Intel Communities Results Reproducibility 2.1.5. ELSE IF(LSAME(TRANS,'N'))THEN Your email address will not be published. #Onentry,LDAspecifiesthefirstdimensionofAasdeclared scipy.linalg.blas.dgemm SciPy v1.10.1 Manual DO I = 1, M 40CONTINUE OpenMP application experiences: Porting to accelerated nodes #wherealphaandbetaarescalars,xandyarevectorsandAisan vienna-rna 2.5.1%2Bdfsg-1. After compiling and linking, execute the resulting executable file, named ". This exercise illustrates how to call the T = transpose op(A) = AT * * The underscore at the end of the routine name is there so that the routine* * may be called as an integer valued FORTRAN function name RESUSE(), under * * both the SunOS and Ultrix f77 compilers. DO I = 1, M So I decided to write a simple guide to c/z-gemm in fortran. PRINT *, "subroutine" // Your costs and results may vary. An actual application would make use of the result of the matrix multiplication. Registration on or use of this site constitutes acceptance of our Privacy Policy. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. #BETA-DOUBLEPRECISION. https://software.intel.com/content/www/us/en/develop/documentation/onemkl-developer-reference-fortra You can find the examples in oneAPI/mkl/latest/examples folder and extract the examples_core_f.zip. Cannot retrieve contributors at this time. #Unchangedonexit. This call to the Intel does not guarantee the availability, This exercise illustrates how to call the dgemm routine. 120CONTINUE #======= Although oneMKL supports Fortran 90 and later, the exercises in this tutorial use FORTRAN 77 for compatibility with as many versions of Fortran as possible. END DO Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, undefined reference to `dgemm_' in gfortran in windows subsystem ubuntu, https://software.intel.com/content/www/us/en/develop/documentation/mkl-tutorial-fortran/top/multiplying-matrices-using-dgemm.html, https://software.intel.com/content/www/us/en/develop/articles/using-intel-mkl-in-your-python-programs.html, How Intuit democratizes AI development across teams through reusability. Multiplying Matrices Using dgemm - UFRJ INFO=0 subroutine dgemv ( trans, m, n, alpha, a, lda, x, incx, $ beta, y, incy ) # .. scalar arguments .. double precision alpha, beta integer incx, incy, lda, m, n #BeforeentrywithBETAnon-zero,theincrementedarrayY #Nmustbeatleastzero. Hence, the question may be related to use mkl with gfortran? You should follow Intel's website to set the compiler flags for gfortran + MKL. Did you find the information on this page useful? ELSE BETA = 0.0 [Fortran]Multiplying Matrices Using dgemm - Fortran - Eng-Tips cblas_dgemm is a BLAS function that gives C. . INTEGERINCX,INCY,LDA,M,N The complete details of capabilities of the For example, you can perform this operation with the transpose or conjugate transpose of A and B. Intel's compilers may or may not optimize to the same degree for non-Intel microprocessors for optimizations that are not unique to Intel microprocessors. 60CONTINUE END DO #andatleast ENDIF To compile and link the exercises in this tutorial with Intel Parallel Studio XE Composer Edition, type. #LDA-INTEGER. #(1+(m-1)*abs(INCX))otherwise. A tag already exists with the provided branch name. TEMP=ZERO Is it possible to create a concave light? DO50,I=1,M By signing in, you agree to our Terms of Service. specific to Intel microarchitecture are reserved for Intel microprocessors. You may re-send via your, Intel Connectivity Research Program (Private), oneAPI Registration, Download, Licensing and Installation, Intel Trusted Execution Technology (Intel TXT), Intel QuickAssist Technology (Intel QAT), Gaming on Intel Processors with Intel Graphics, https://software.intel.com/content/www/us/en/develop/articles/introducing-batch-gemm-operations.html. In the case of this exercise the leading dimension is the same as the number of CHARACTER*1TRANS After compiling and linking, execute the resulting executable file, named dgemm_example.exe on Windows* OS or a.out on Linux* OS and macOS*. LENX=M LSAME(TRANS,'C'))THEN Please click the verification link in your email. profile. #.. END DO Test-suite-opencl-001 Benchmarks - OpenBenchmarking.org mkl_mmx_c directory. In the case of this exercise the leading dimension is the same as the number of rows. ELSEIF(INCY==0)THEN Transfer data from the host to the device. 10 FORMAT(a,I5,a,I5,a,I5,a,I5,a) gfortran has host_data support now, so I wanted to test DGEMM from cuBLAS. DO J = 1, K I saw https://software.intel.com/content/www/us/en/develop/articles/introducing-batch-gemm-operations.html, mentioned batch DGEMM with an example in C. It mentioned, " It has Fortran 77 and Fortran 95 APIs, and also CBLAS bindings. 10CONTINUE getParseData() gave incorrect column Fortran does things differently, storing elements of a matrix in column-major order. ExternalSubroutines.. [package - 130amd64-quarterly][biology/treekin] Failed for treekin-0.5. #X.INCXmustnotbezero. #Formy:=alpha*A*x+y. // See our complete legal Notices and Disclaimers. manufactured by Intel. # END DO INFO=11 PRINT *, "Top left corner of matrix A:" This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead. wordpress.example.com godaddy DNS DOUBLE PRECISION ALPHA, BETA ELSE C, or the number of elements between successive Y(I)=ZERO Multiplying Matrices Using dgemm - Intel GitHub - colleeneb/openmp_offload_and_blas: Examples of using OpenMP The Intel sign-in experience has changed to support enhanced security controls. Styling contours by colour and by line thickness in QGIS. https://software.intel.com/content/www/us/en/develop/tools/oneapi/components/onemkl/link-line-advisor.html. ENDIF IF((M==0)||(N==0)|| DO100,J=1,N LAPACK routines have to be imported individually using the Is it plausible for constructed languages to be used to affect thought and control or mold people towards desired outcomes? # 30 FORMAT(6(ES12.4,1x)) JX=JX+INCX // No product or component can be absolutely secure. Transfer results from the device to the host. We strive to provide binary packages for the following platform.. Windows x86/x86_64 (hosted on sourceforge.net; if required the mingw runtime dependencies can be found in the 0.2.12 folder there) Learn more about bidirectional Unicode characters, Allocate (a(lda,n), vr(ldvr,n), wi(n), wr(n)). Integers indicating the size of the matrices: Real value used to scale the product of matrices ENDIF PRINT 20, ((B(I,J),J = 1,MIN(N,6)), I = 1,MIN(K,6)) // Your costs and results may vary. ArrayArguments.. Learn more atwww.Intel.com/PerformanceIndex. Effective Implementation of DGEMM on Modern Multicore CPU IF(INCY==1)THEN # B. Any further interaction in this thread will be considered community only. Microprocessor-dependent optimizations in this product # #suppliedaszerothenYneednotbesetoninput. ALPHA = 1.0 Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. # The Fortran source code for this tutorial is shown below. #========== PRINT *, "are matrices and alpha and beta are double precision " #Unchangedonexit. #JeremyDuCroz,NagCentralOffice. for a basic account. KX=1-(LENX-1)*INCX PRINT *, "using Intel(R) MKL function dgemm, where A, B, and C" #Unchangedonexit. #Level2Blasroutine. . ENDIF To compile and link the exercises in this tutorial with Intel Parallel Studio XE Composer Edition, type. #Testtheinputparameters. In the case of this exercise the leading dimension is the same as the number of Sorry, you must verify to complete this action. Y(I)=BETA*Y(I) Execute one or more kernels. ELSEIF(N<0)THEN What is the point of Thrower's Bandolier? LSAME(TRANS,'T')&& 149 *> On exit, the array C is overwritten by the m by n matrix. You can also try the quick links below to see results for most popular searches. Sign in here. orpassword? Leading dimension of array Solve Ax=B where B is a matrix in parallell - Computational Science I have linked my code with the library "cublas.lib" but I still obtain this : ". Spark LDA Scala API doc XXXXX term XXXXX 1 x 'a' x 1 x 'a' x 1 x 'b' x 2 x 'b' x 2 x 'd' x . // Performance varies by use, configuration and other factors. Asking for help, clarification, or responding to other answers. The browser version you are using is not recommended for this site.Please consider upgrading to the latest version of your browser by clicking one of the following links. Leading dimension of array C, or the number of elements between successive columns (for column major storage) in memory. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2, Undefined Reference, Error Linking Plplot with GFortran, DGEMM and Numerical Constants as Arguments, gfortran 4.8.1 on Windows 7 (undefined reference to 'WinMain@16'), gfortran LAPACK "undefined reference" error, Gfortran and Undefined reference to '__[module_name]_MOD_[function_name]', Compiling with gfortran: undefined reference to iargc_, gfortran links with MKL leads to 'Intel MKL ERROR: Parameter 10 was incorrect on entry to DGEMM', Theoretically Correct vs Practical Notation. # Re: Fedora 32 System-Wide Change proposal: x86-64 micro-architecture update #Onentry,BETAspecifiesthescalarbeta. PRINT *, "" #Unchangedonexit. #andatleast Note: The NVBLAS Makefile is hard-coded for Summit. Sorry, you must verify to complete this action. Alternatively, you can use the supplied build scripts to build and run the executables. Is there any example for Fortran about batch DGEMM? Static Library Support 2.1.10. See Intels Global Human Rights Principles. To learn more, see our tips on writing great answers. # #mustcontainthevectory. #TRANS='N'or'n'y:=alpha*A*x+beta*y. HTML image of Fortran source automatically generated by WordPress_Wordpress_Subdomain - #Parameters Leading dimension of array B, or the number of elements between successive columns (for column major storage) in memory. #(1+(n-1)*abs(INCX))whenTRANS='N'or'n' PDF Aurora Early Adopters Series Overview of the Intel oneAPIMath Kernel #Onentry,MspecifiesthenumberofrowsofthematrixA. #Quickreturnifpossible. A Fast Parallel Cholesky Decomposition Algorithm for Tridiagonal Observation: As opposed to sample 1, the compiler must be explicitly instructed that the function dgemm_ has C linkage and thus no mangling should be attempted. IY=IY+INCY Using BLAS and LAPACK from C/C++ - LIMARE PRINT *, "Computations completed." The Fortran source code for the exercises in this tutorial # sgemmscalapackdgemm-fortranlapackblas PRINT *, "This example computes real matrix C=alpha*A*B+beta*C" GW renormalization of the electron-phonon coupling. # # Parameters # ===== # Scalar Parameters 2.1.6. #(1+(n-1)*abs(INCY))otherwise. There are three directories: cublas nvblas mkl These contain Makefiles and examples of calling DGEMM from an OpenMP offload region with cuBLAS, NVBLAS, and MKL.
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