- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
My KNL platform is based on Intel(R) Xeon Phi(TM) CPU 7250 @ 1.40GHz, 1 node, 68 cores, 96 GB memory.
Firstly, I checked the performance of Intel Distribution for LINPACK Benchmark on 1 node at this locate ./benchmarks/mp_linpack/ and I got the good performance about 1700 Gflops for case: N=40000, NB = 336, P = 1, Q=1 and "mpirun -np 1 ./xhpl ".
Secondly in HPL 2.3, if the same input value above but the performance really bad, it's only 723 Gflops. If I executed with N = 100000, it got about 942 Gflops. But it until lower than comparing with LINPACK benchmark.
And another thing, when I check micprun , it has error ( attach files).
Is this the problem in Make.Intel64 file?
what should I do to get the higher result in HPL 2.3?
Thanks a lot.
SHELL = /bin/sh # CD = cd CP = cp LN_S = ln -fs MKDIR = mkdir -p RM = /bin/rm -f TOUCH = touch # # ---------------------------------------------------------------------- # - Platform identifier ------------------------------------------------ # ---------------------------------------------------------------------- # #ARCH = Linux_Intel64 ARCH = $(arch) # # ---------------------------------------------------------------------- # - HPL Directory Structure / HPL library ------------------------------ # ---------------------------------------------------------------------- # #TOPdir = $(HOME)/hpl TOPdir = /home/tuyen1/HPL/hpl-2.3/install_hpl INCdir = $(TOPdir)/include BINdir = $(TOPdir)/bin/$(ARCH) LIBdir = $(TOPdir)/lib/$(ARCH) # HPLlib = $(LIBdir)/libhpl.a # # ---------------------------------------------------------------------- # - Message Passing library (MPI) -------------------------------------- # ---------------------------------------------------------------------- # MPinc tells the C compiler where to find the Message Passing library # header files, MPlib is defined to be the name of the library to be # used. The variable MPdir is only used for defining MPinc and MPlib. # # MPdir = /opt/intel/mpi/4.1.0 # MPinc = -I$(MPdir)/include64 # MPlib = $(MPdir)/lib64/libmpi.a MPdir =/opt/intel/compilers_and_libraries_2018.5.274/linux/mpi MPinc = -I$(MPdir)/include64 MPlib = $(MPdir)/lib64/libmpi.a # ---------------------------------------------------------------------- # - Linear Algebra library (BLAS or VSIPL) ----------------------------- # ---------------------------------------------------------------------- # LAinc tells the C compiler where to find the Linear Algebra library # header files, LAlib is defined to be the name of the library to be # used. The variable LAdir is only used for defining LAinc and LAlib. # LAdir = /opt/intel/compilers_and_libraries_2018.5.274/linux/mkl ifndef LAinc LAinc = $(LAdir)/include endif ifndef LAlib LAlib = -L$(LAdir)/lib/intel64 \ -Wl,--start-group \ $(LAdir)/lib/intel64/libmkl_intel_lp64.a \ $(LAdir)/lib/intel64/libmkl_intel_thread.a \ $(LAdir)/lib/intel64/libmkl_core.a \ -Wl,--end-group -lpthread -ldl endif # # ---------------------------------------------------------------------- # - F77 / C interface -------------------------------------------------- # ---------------------------------------------------------------------- # You can skip this section if and only if you are not planning to use # a BLAS library featuring a Fortran 77 interface. Otherwise, it is # necessary to fill out the F2CDEFS variable with the appropriate # options. **One and only one** option should be chosen in **each** of # the 3 following categories: # # 1) name space (How C calls a Fortran 77 routine) # # -DAdd_ : all lower case and a suffixed underscore (Suns, # Intel, ...), [default] # -DNoChange : all lower case (IBM RS6000), # -DUpCase : all upper case (Cray), # -DAdd__ : the FORTRAN compiler in use is f2c. # # 2) C and Fortran 77 integer mapping # # -DF77_INTEGER=int : Fortran 77 INTEGER is a C int, [default] # -DF77_INTEGER=long : Fortran 77 INTEGER is a C long, # -DF77_INTEGER=short : Fortran 77 INTEGER is a C short. # # 3) Fortran 77 string handling # # -DStringSunStyle : The string address is passed at the string loca- # tion on the stack, and the string length is then # passed as an F77_INTEGER after all explicit # stack arguments, [default] # -DStringStructPtr : The address of a structure is passed by a # Fortran 77 string, and the structure is of the # form: struct {char *cp; F77_INTEGER len;}, # -DStringStructVal : A structure is passed by value for each Fortran # 77 string, and the structure is of the form: # struct {char *cp; F77_INTEGER len;}, # -DStringCrayStyle : Special option for Cray machines, which uses # Cray fcd (fortran character descriptor) for # interoperation. # F2CDEFS = -DAdd__ -DF77_INTEGER=int -DStringSunStyle # # ---------------------------------------------------------------------- # - HPL includes / libraries / specifics ------------------------------- # ---------------------------------------------------------------------- # HPL_INCLUDES = -I$(INCdir) -I$(INCdir)/$(ARCH) -I$(LAinc) $(MPinc) HPL_LIBS = $(HPLlib) $(LAlib) $(MPlib) # # - Compile time options ----------------------------------------------- # # -DHPL_COPY_L force the copy of the panel L before bcast; # -DHPL_CALL_CBLAS call the cblas interface; # -DHPL_CALL_VSIPL call the vsip library; # -DHPL_DETAILED_TIMING enable detailed timers; # # By default HPL will: # *) not copy L before broadcast, # *) call the BLAS Fortran 77 interface, # *) not display detailed timing information. # #HPL_OPTS = -DHPL_DETAILED_TIMING -DHPL_PROGRESS_REPORT HPL_OPTS = -DASYOUGO -DHYBRID # # ---------------------------------------------------------------------- # HPL_DEFS = $(F2CDEFS) $(HPL_OPTS) $(HPL_INCLUDES) # # ---------------------------------------------------------------------- # - Compilers / linkers - Optimization flags --------------------------- # ---------------------------------------------------------------------- # CC = mpiicc CCNOOPT = $(HPL_DEFS) -O0 -w -nocompchk OMP_DEFS = -qopenmp #CCFLAGS = $(HPL_DEFS) -O3 -w -ansi-alias -i-static -z noexecstack -z relro -z now -nocompchk -Wall CCFLAGS = $(HPL_DEFS) -O3 -w -ansi-alias -i-static -z noexecstack -z relro -z now -nocompchk # # # On some platforms, it is necessary to use the Fortran linker to find # the Fortran internals used in the BLAS library. # LINKER = $(CC) LINKFLAGS = $(CCFLAGS) $(OMP_DEFS) -mt_mpi -qopenmp -nocompchk # ARCHIVER = ar ARFLAGS = r RANLIB = echo
Link Copied
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
Nguyen ,
I will investigate the issue and will get back to you.
Thank you
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
Dear Jon,
Thanks for your reply.
Although I try another way by using MCDRAM in HPL but the performance not be greater than so much. For N = 100000, I got 1056Gflops.
I hope to hear from you soon.
![](/skins/images/D3C0B914909A6564BBB97F4AD1ED1973/responsive_peak/images/icon_anonymous_message.png)
- Subscribe to RSS Feed
- Mark Topic as New
- Mark Topic as Read
- Float this Topic for Current User
- Bookmark
- Subscribe
- Printer Friendly Page