homme HIP changes by oksanaguba · Pull Request #5039 · E3SM-Project/E3SM

oksanaguba · 2022-06-22T19:51:20Z

Many changes for HIP.

Adding a new macro, HOMMEXX_ENABLE_GPU, redoing templates to generalize CUDA/HIP code. Arch-dependent code (very few lines) still uses kokkos macros.

Regarding HIP -- standalone homme with output builds and runs, but no eye ball norm tests wrt output were performed. Also, not performed: bfb tests, unit tests (not tried to run), investigating bfb flags. This is for future PRs.

Fixes #5069 for team sizes too large with asserts and nans in reprosums for cxx execs with diagnostics macro ENERGY_DIAGNOSTICS.

[bfb] for nightlies and v100.

Conflicts: components/homme/src/share/compose/compose_cedr.cpp components/homme/src/share/cxx/HybridVCoord.cpp components/homme/src/theta-l_kokkos/cxx/HyperviscosityFunctorImpl.cpp components/homme/src/theta-l_kokkos/prim_driver_mod.F90

oksanaguba · 2022-06-22T19:52:18Z


  INCLUDE(CheckCXXCompilerFlag)
-  CHECK_CXX_COMPILER_FLAG("-std=c++14" CXX14_SUPPORTED)
+  CHECK_CXX_COMPILER_FLAG("-std=c++17" CXX14_SUPPORTED)


here is a typo? clean this up

@ambrad or @bartgol -- could i permanently switch to c++17 here?

Sure, assuming all the tests pass on all the needed machines. My guess is they will.

Does the C++17 requirement come from Crusher or HIP? As far as I can tell, the current Kokkos version is still OK with C++14 for other platforms.

I think Kokkos is "close" to switch to C++17 required. IIRC, the next release (3.7, due in Sept) will require it. If it's a deal breaker for HIP, we might think to anticipate kokkos, and switch to C++17 already. I don't think there's a compelling reason to stick with C++14 for the current production clusters, no?

i think i needed c++17 for hipcc.

oksanaguba · 2022-06-22T19:54:04Z

 SET(CMAKE_C_COMPILER "mpicc" CACHE STRING "")
 SET(CMAKE_Fortran_COMPILER "mpifort" CACHE STRING "")
-SET(CMAKE_CXX_COMPILER "/ccs/home/onguba/kokkos/bin/nvcc_wrapper" CACHE STRING "")
+SET(CMAKE_CXX_COMPILER "/ccs/home/onguba/acme-MASTER-GB/externals/kokkos/bin/nvcc_wrapper" CACHE STRING "")


clean this too

oksanaguba · 2022-06-22T21:48:41Z

+
+SET(USE_QUEUING FALSE CACHE BOOL "")
+
+SET(ENABLE_CUDA FALSE CACHE BOOL "")


I do not see variable ENABLE_CUDA used anywhere, only KOKKOS_ENABLE_CUDA is used. I will remove it from all machine files.

oksanaguba · 2022-09-19T18:16:53Z

@ambrad and @bartgol -- would you want to review this again? Once you review, I will test again and then merge.

ambrad · 2022-09-19T19:17:11Z


  SET (HOMMEXX_EXEC_SPACE "Default" CACHE STRING "Select the kokkos exec space")

+  #is HOMMEXX_EXEC_SPACE set anywhere? in scream?


Please remove dev comments to yourself.

ambrad · 2022-09-19T19:18:05Z


    # needed for CPRNC build system
-    set (cprnc_dummy_file "${CMAKE_CURRENT_SOURCE_DIR}/utils/cime/tools/cprnc/Macros.cmake")
+    set (cprnc_dummy_file "${CMAKE_CURRENT_SOURCE_DIR}/utils/cime/CIME/non_py/cprnc/Macros.cmake")


Note to other reviewers: These CIME/non_py lines follow a commit already in master.

ambrad · 2022-09-19T19:18:57Z


  IF (HOMME_USE_KOKKOS)
-    TARGET_LINK_LIBRARIES(${execName} kokkos)
+    link_to_kokkos(${execName})


Note to other reviewers: I reorganized things a bit so that link_to_kokkos takes care of the library linking.

ambrad · 2022-09-19T19:19:39Z

-    SET (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
+  CHECK_CXX_COMPILER_FLAG("-std=c++17" CXX17_SUPPORTED)
+  IF (${CXX17_SUPPORTED})
+    SET (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")


Are we sure C++17 is actually needed? I had the impression that it was thought Crusher requires it but then it turns out it does not.

Now I do not remember why it is here. Do you prefer 14?

For cleanliness we should not mandate more than is technically required. I believe for a while weaver could not handle C++17, but that may have changed now.

ambrad · 2022-09-19T19:21:41Z

+SET(CMAKE_Fortran_COMPILER "ftn" CACHE STRING "")
+SET(CMAKE_CXX_COMPILER "hipcc" CACHE STRING "")
+#SET(CMAKE_CXX_COMPILER "/ccs/home/onguba/kokkos/bin/nvcc_wrapper" CACHE STRING "")
+SET(E3SM_KOKKOS_PATH "/ccs/home/onguba/kokkos-example-spock-hipcc2/bld-hipcc" CACHE STRING "")


I had removed dependence on onguba-based things in the crusher file. spock is I think irrelevant at this point, so I don't mind this line. But we could also consider not including the spock file in this PR. Up to you, though.

ambrad · 2022-09-19T19:25:52Z

-#if defined(HOMMEXX_CUDA_SPACE) || \
-  (defined(HOMMEXX_DEFAULT_SPACE) && defined(KOKKOS_ENABLE_CUDA)) // Can't use GPTL timers on CUDA
+//OG not sure about timers and HIP, probably the same as with CUDA
+//#if defined(HOMMEXX_HIP_SPACE) || defined(HOMMEXX_CUDA_SPACE) || \


Please remove the commented-out dev code.

bartgol

Looks good. I have a few suggestions, that are mostly style related. Feel free to disregard any or all of them.

bartgol · 2022-09-19T19:23:16Z


  SET (HOMMEXX_EXEC_SPACE "Default" CACHE STRING "Select the kokkos exec space")

+  #is HOMMEXX_EXEC_SPACE set anywhere? in scream?


Doesn't have to be set. The "Default" option usually works. The only case where it is useful to set it manually is, e.g., if Cuda or OpenMP is enabled in kokkos, but one wants to use Serial instead.

bartgol · 2022-09-19T19:27:43Z

-  IF (${CXX14_SUPPORTED})
-    SET (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
+  CHECK_CXX_COMPILER_FLAG("-std=c++17" CXX17_SUPPORTED)
+  IF (${CXX17_SUPPORTED})


FYI, some cmake might issue a warning here, depending on policies settings. Unless old policy settings are used, you should get a warning like

if given arguments: "TRUE" An argument named "TRUE" appears in a conditional statement.

The clean cmake syntax is to use if (VAR) rather than if (${VAR}).

bartgol · 2022-09-19T19:29:31Z

@@ -932,7 +932,7 @@ struct CaarFunctorImpl {
  // CUDA version


This should prob be changed to GPU version...

bartgol · 2022-09-19T19:29:45Z

@@ -986,7 +986,7 @@ struct CaarFunctorImpl {
  // Non-CUDA version


...and this to Non-GPU version.

bartgol · 2022-09-19T19:35:07Z

 * See the file 'COPYRIGHT' in the HOMMEXX/src/share/cxx directory
 *******************************************************************************/

+#include "Config.hpp"


For all ComposeTransport*.cpp files, perhaps it would be easier to add the source files to THETAL_DEPS_CXX in the CMakeLists.txt only if HOMME_ENABLE_COMPOSE is ON, and avoid CPP logic in the source/header files.

bartgol · 2022-09-19T19:47:03Z

    static
    KOKKOS_INLINE_FUNCTION
-    typename std::enable_if<!std::is_same<ExecSpaceType,Hommexx_Cuda>::value &&
+    typename std::enable_if<!std::is_same<ExecSpaceType,HommexxGPU>::value &&


Is this basically checking that ExecSpaceType is Serial? Should we perhaps just do

typename std::enable_if<!std::is_same<ExecSpaceType,Kokkos::Serial>::value, int> ::type

?

Serial would be too restrictive. This is checking that it's a non-GPU space.

But after this there is "and not OpenMP"...

Good point. But technically, it's trying to catch the cases that are excluded by the two specializations below it, so IMO it's more accurate the way it is. In practice, though, Serial would be OK.

Either way is fine, I guess. If future archs support (like sycl) makes this chunk hard to read, we can revisit.

bartgol · 2022-09-19T19:51:01Z

    ${SRC_SHARE_DIR}/compose
    ${CMAKE_BINARY_DIR}/src/share/cxx
  )
+  IF (NOT HOMME_ENABLE_COMPOSE)


I find this backward logic a bit hard to parse. Perhaps we could do the other way around: not add compose dir in the SET statement above, and replace this IF with

if (HOMME_ENABLE_COMPOSE) add compose endif()

bartgol · 2022-09-19T19:51:22Z

    ${SRC_SHARE_DIR}/planar_mesh_mod.F90
  )

+  IF (NOT HOMME_ENABLE_COMPOSE)


Same here: it's easier to to the other way around.

bartgol · 2022-09-19T19:52:52Z

 #include "utilities/ViewUtils.hpp"

+#if ! defined(NDEBUG)
+#define RESOLVE_ISSUE_WITH_ASSERTS


Would you mind adding a couple of lines of comment explaining what the issue with asserts is? I'm afraid someone 3 years from now will stumble on this while doing some maintenance and have no clue what's going on.

I will add a comment. I believe it is a common case in scream too? in debug regime with asserts team sizes are too big.

Ah, yes, that one. It showed up in scream as well, yes.

bartgol · 2022-09-19T20:04:55Z

 SET (COMMON_DEFINITIONS NP=4 NC=4)
-IF (CUDA_BUILD)
-  SET(COMMON_DEFINITIONS ${COMMON_DEFINITIONS} CUDA_BUILD)
+IF (CUDA_BUILD OR HIP_BUILD)


Could simply do IF (HOMMEXX_ENABLE_GPU), like it's done elsewhere, so it's ready if/when we add SYCL.

Thanks -- this one was discussed before, there is CUDA_BUILD used elsewhere in homme cmake. It can be cleaned up later.

bartgol · 2022-09-19T20:41:31Z

I have a request, but feel free to disregard and punt to a future PR: in scream, we keep getting warnings due to deprecated code in Kokkos related to MDRange. In particular, these lines

// For backward compatibility
namespace Kokkos {
namespace Experimental {
using Kokkos::Iterate;
using Kokkos::MDRangePolicy;
using Kokkos::Rank;
}  // namespace Experimental
}  // namespace Kokkos

in KokkosExp_MDRangePolicy.hpp are deprecated in later kokkos versions (like the one used in EKAT). Since they are simply typedefs, we could remove the string Experimental when we use MDRange stuff in Homme. That is, replace

// A templated typedef for MD range policy (used in RK stages)
template<typename ExecutionSpace, int Rank>
using MDRangePolicy = Kokkos::Experimental::MDRangePolicy
                          < ExecutionSpace,
                            Kokkos::Experimental::Rank
                              < Rank,
                                Kokkos::Experimental::Iterate::Right,
                                Kokkos::Experimental::Iterate::Right
                              >,
                            Kokkos::IndexType<int>
                          >;

with

// A templated typedef for MD range policy (used in RK stages)
template<typename ExecutionSpace, int Rank>
using MDRangePolicy = Kokkos::MDRangePolicy
                          < ExecutionSpace,
                            Kokkos::Rank
                              < Rank,
                                Kokkos::Iterate::Right,
                                Kokkos::Iterate::Right
                              >,
                            Kokkos::IndexType<int>
                          >;

in ExecSpaceDefs.hpp.

oksanaguba · 2022-09-20T05:33:16Z

This commit: Crusher GPU 2 execs, 72 and 128 levels, 10 tracers, ne4, 1,8,16,24,and 32 ranks.

theta-l-nlev72-kokkos crashes in 1-rank run with mpich error after a few time steps (i haven't run 1 rank with it before). the rest is ok. this one is built with extra diagnostics arrays.

theta-nlev128-kokkos -- all are ok.

oksanaguba · 2022-09-20T16:17:51Z

Weaver -- theta-f* ne2 * tests for F vs CXX all pass for this commit and unit tests, too.

Conflicts: components/homme/test_execs/preqx_kokkos_ut/CMakeLists.txt components/homme/test_execs/thetal_kokkos_ut/CMakeLists.txt

oksanaguba · 2022-09-21T19:21:10Z

I merged yesterday's master and got these fails on chrysalis from e3sm_integration:

    FAIL ERP_Ld3.ne30pg2_EC30to60E2r2.WCYCL1850.chrysalis_intel.allactive-pioroot1 BASELINE master: DIFF
    FAIL PEM_Ln9.ne30pg2_EC30to60E2r2.WCYCL1850.chrysalis_intel BASELINE master: DIFF
    FAIL PET_Ln9_PS.ne30pg2_EC30to60E2r2.WCYCL1850.chrysalis_intel.allactive-mach-pet BASELINE master: DIFF
    FAIL SMS_D_Ld1.ne30pg2_EC30to60E2r2.WCYCL1850.chrysalis_intel.allactive-wcprod BASELINE master: DIFF
    FAIL SMS_D_Ld1.ne30pg2_EC30to60E2r2.WCYCLSSP370.chrysalis_intel.allactive-wcprodssp BASELINE master: DIFF
    FAIL SMS_D_Ld1.ne30pg2_r05_EC30to60E2r2.WCYCL1850.chrysalis_intel BASELINE master: DIFF
    FAIL SMS_Ld2.ne30pg2_r05_EC30to60E2r2.BGCEXP_CNTL_CNPECACNT_1850.chrysalis_intel.elm-bgcexp BASELINE master: DIFF
    FAIL SMS_Ld2.ne30pg2_r05_EC30to60E2r2.BGCEXP_CNTL_CNPRDCTC_1850.chrysalis_intel.elm-bgcexp BASELINE master: DIFF

which i cannot explain. Still waiting for cdash to come up with today's nightlies. From a few tests that I looked at, all normalized diffs seem to be small.

homme and hommebfb pass.

rljacob · 2022-10-06T17:33:04Z

@oksanaguba what is the status of this PR?

oksanaguba · 2022-10-06T19:12:41Z

I had some issues testing it, trying to resolve them now.

oksanaguba · 2022-10-07T22:10:45Z

Testing this branch with e3sm_developer on chrysalis, only NL diffs are due to layouts, which differ for the baselines ran through jenkins (explanation is in infrastructure-dev channel):

[ac.onguba@chrlogin1 ERS.ne30_g16_rx1.A.chrysalis_intel.C.20221007_132931_3frtnx]$ ~/ess/cs.status.20221007_132931_3frtnx | grep FAIL
  ERIO.ne30_g16_rx1.A.chrysalis_intel (Overall: NLFAIL) details:
    FAIL ERIO.ne30_g16_rx1.A.chrysalis_intel NLCOMP
    FAIL ERS.f09_g16_g.MALISIA.chrysalis_intel TPUTCOMP Error: TPUTCOMP: Computation time increase > 5% from baseline
    FAIL ERS.f19_g16.I1850GSWCNPECACNTBC.chrysalis_intel.elm-eca_f19_g16_I1850GSWCNPECACNTBC TPUTCOMP Error: TPUTCOMP: Computation time increase > 5% from baseline
  ERS.f19_g16_rx1.A.chrysalis_intel (Overall: NLFAIL) details:
    FAIL ERS.f19_g16_rx1.A.chrysalis_intel NLCOMP
  ERS.ne30_g16_rx1.A.chrysalis_intel (Overall: NLFAIL) details:
    FAIL ERS.ne30_g16_rx1.A.chrysalis_intel NLCOMP
    FAIL ERS.ne30_g16_rx1.A.chrysalis_intel TPUTCOMP Error: TPUTCOMP: Computation time increase > 5% from baseline
  NCK.f19_g16_rx1.A.chrysalis_intel (Overall: NLFAIL) details:
    FAIL NCK.f19_g16_rx1.A.chrysalis_intel NLCOMP
  SEQ.f19_g16.X.chrysalis_intel (Overall: NLFAIL) details:
    FAIL SEQ.f19_g16.X.chrysalis_intel NLCOMP
    FAIL SMS_Ln9.ne4_oQU240.F2010.chrysalis_intel.eam-outfrq9s TPUTCOMP Error: TPUTCOMP: Computation time increase > 5% from baseline
  SMS.ne30_f19_g16_rx1.A.chrysalis_intel (Overall: NLFAIL) details:
    FAIL SMS.ne30_f19_g16_rx1.A.chrysalis_intel NLCOMP

All NL diffs are due to layouts.

Many changes for HIP. Adding a new macro, HOMMEXX_ENABLE_GPU, redoing templates to generalize CUDA/HIP code. Arch-dependent code (very few lines) still uses kokkos macros. Regarding HIP -- standalone homme with output builds and runs, but no eye ball norm tests wrt output were performed. Also, not performed: bfb tests, unit tests (not tried to run), investigating bfb flags. This is for future PRs. Fixes #5069 for team sizes too large with asserts and nans in reprosums for cxx execs with diagnostics macro ENERGY_DIAGNOSTICS. [bfb] for nightlies and v100.

oksanaguba · 2022-10-07T22:22:40Z

in next

amametjanov · 2022-10-08T15:29:05Z

Can you take a look and fix these multi-threaded cases for pgi on either Ascent or Summit?
https://my.cdash.org/viewTest.php?onlydelta&buildid=2226840

SMS_P12x2.ne4_oQU240.WCYCL1850NS.ascent_pgi.allactive-mach_mods
PET_Ln5.ne4_oQU240.F2010.ascent_pgi.allactive-mach-pet
PET_Ln9_PS.ne30pg2_EC30to60E2r2.WCYCL1850.ascent_pgi.allactive-mach-pet
SMS_Ln5.ne30pg2_r05_EC30to60E2r2.BGCEXP_LNDATM_CNPRDCTC_1850.ascent_pgi
SMS_Ln5.ne30pg2_r05_EC30to60E2r2.BGCEXP_LNDATM_CNPRDCTC_20TR.ascent_pgi

oksanaguba · 2022-10-08T17:30:40Z

Thanks -- i see a message from kokkos, not sure what it is , i will try with debug:

1: 2: [h49n01:408307] *** Process received signal ***
1: 2: [h49n01:408307] Signal: Segmentation fault (11)
1: 2: [h49n01:408307] Signal code: Address not mapped (1)
1: 2: [h49n01:408307] Failing at address: 0x900000000
1: 2: Kokkos::Impl::SharedAllocationRecord '�' failed decrement count = 0

HIP can't handle the reference, but we still need it for the F90 dycore with HORIZ_OPENMP enabled, since in that code path we enter all of our routines within a threaded region and so cannot create new Kokkos::Serial views during time stepping. (Recall Kokkos::Serial is necessary b/c Homme's threading is not compatible with Kokkos::OpenMP.) Thus, if COMPOSE_PORT is not defined, take a reference.

ambrad · 2022-10-08T21:09:19Z

@amametjanov thanks for letting us know and pointing us to the failing tests. The issue was in one of my commits for this PR. I have fixed the issue, tested it on the five tests you linked, and pushed the fix to this branch. @oksanaguba you can remerge this PR to next when you have a chance. Thanks.

Many changes for HIP. Adding a new macro, HOMMEXX_ENABLE_GPU, redoing templates to generalize CUDA/HIP code. Arch-dependent code (very few lines) still uses kokkos macros. Regarding HIP -- standalone homme with output builds and runs, but no eye ball norm tests wrt output were performed. Also, not performed: bfb tests, unit tests (not tried to run), investigating bfb flags. This is for future PRs. Fixes #5069 for team sizes too large with asserts and nans in reprosums for cxx execs with diagnostics macro ENERGY_DIAGNOSTICS. [bfb] for nightlies and v100.

oksanaguba · 2022-10-08T21:32:17Z

in next

Oksana Guba added 22 commits August 18, 2021 22:36

tweaks for spock

3c1b671

cache file

7604fc4

fix build of unit tests without pio

c6422dc

added define for hip build

b3e0af2

more fixes, intermediate

684c633

intermediate

24f3dc4

revert nonsgnificant changes

3d3cd6d

revert nonsgnificant changes

dfee17b

reverting

3523d5d

clean up

0a2d96d

clean up

5460f98

reverting

ec3308a

fix ifdef, add prnts for the last pair

9093346

mods for cmake file, comment out printing pairs

ad20860

set the last pair for hip manuall

2f173cf

add flags

b97eb94

newer environment

bf6f042

update kokkos build made with a new env

6689abd

minor, 1 comment on LB, commenting out pow call that wasnt implemented

cfb8dfd

add crusher cmake

cced5d9

Merge 'origin/master' into oksanaguba/homme/spock

53d3e71

Conflicts: components/homme/src/share/compose/compose_cedr.cpp components/homme/src/share/cxx/HybridVCoord.cpp components/homme/src/theta-l_kokkos/cxx/HyperviscosityFunctorImpl.cpp components/homme/src/theta-l_kokkos/prim_driver_mod.F90

fix bug from merging

41f0c42

oksanaguba commented Jun 22, 2022

View reviewed changes

oksanaguba added 2 commits June 22, 2022 16:15

clean comments, remove if-statement in preqx push logic

62db3fc

switch to c++17

1c042ab

oksanaguba commented Jun 22, 2022

View reviewed changes

Comment thread components/homme/CMakeLists.txt

oksanaguba commented Jun 22, 2022

View reviewed changes

oksanaguba added 2 commits June 22, 2022 16:57

remove unused cmake var enable_cuda

076805f

change if HIP to ifdef HIP

d1cc873

clean 1 line for HOMMEXX_ENABLE_GPU

e3bd20a

oksanaguba self-assigned this Sep 19, 2022

oksanaguba changed the title ~~[wip] homme hip changes~~ homme HIP changes Sep 19, 2022

ambrad reviewed Sep 19, 2022

View reviewed changes

bartgol approved these changes Sep 19, 2022

View reviewed changes

address comments

eff19f5

ambrad approved these changes Sep 20, 2022

View reviewed changes

Oksana Guba and others added 2 commits September 20, 2022 12:31

Merge branch 'origin/master' into oksanaguba/homme/spock

055872c

Conflicts: components/homme/test_execs/preqx_kokkos_ut/CMakeLists.txt components/homme/test_execs/thetal_kokkos_ut/CMakeLists.txt

fix linking for ut after merge

4802901

oksanaguba mentioned this pull request Sep 23, 2022

hommexx (thetaxx): issues with diagnostics on summit #5069

Closed

fix homme standalone build not via cime

b3f04b5

oksanaguba merged commit a17d4b4 into master Oct 10, 2022

oksanaguba deleted the oksanaguba/homme/spock branch October 10, 2022 18:15

rljacob added the HOMME label Feb 3, 2023


		SET(USE_QUEUING FALSE CACHE BOOL "")

		SET(ENABLE_CUDA FALSE CACHE BOOL "")


		SET (HOMMEXX_EXEC_SPACE "Default" CACHE STRING "Select the kokkos exec space")

		#is HOMMEXX_EXEC_SPACE set anywhere? in scream?

		@@ -986,7 +986,7 @@ struct CaarFunctorImpl {
		// Non-CUDA version

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