Updated ABI generation code and new libraries #13280
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Maybe you should somehow vendor the In short, I think it would be in everyone's convenience to use https://github.com/mpi-forum/mpi-abi-stubs as the "source of truth" for ABI-related stuff, avoiding manual synchronization of handle/constant values. |
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Hello! The Git Commit Checker CI bot found a few problems with this PR: f7d94fa: WIP: explain issue with pympistandard for callback...
4d79937: WIP: fix JSONs
ec9c45a: WIP: fix typo in pympistd arg
b047b19: WIP: add JSONs for ABI and API
c9d0c7a: WIP: bump pympistandard commit for profiling embig...
a1255ce: WIP: move Aint helper macros under ifndef OMPI_NO_...
342b072: WIP: add some workarounds for MPI_Fint and MPI_Inf...
53aeac5: WIP: mangle some more functions
93c0a39: WIP: avoid double inclusion of abi.h
afd9eb2: WIP: use pympistandard by editing PYTHONPATH (inst...
d397bfc: WIP: fix some bugs in mangling names
da2630f: WIP: fix typo for MPI_internal
956dded: WIP: add additional types and functions to be mang...
0b10ce6: WIP: temp fix for Aint problems
9830327: WIP: add input for abi.h.in
68c69df: WIP: move abi.h.in
702cb23: WIP: add in 5.0 apis.json
6b2784f: WIP: move code out of consts.py
22d4cb2: WIP: call c_header from Makefile
b0d0ff2: WIP: mangle names for internal usage
96a33c3: WIP: generate callback function prototypes
d2dd7ed: WIP: remove comment function
45d8789: WIP: print out embiggened versions of functions
b081aa2: WIP: add MPI and ABI versions
80ebfe7: WIP: generate API prototypes
93e6375: WIP: Comment out a Fortran-only category
db8a2b5: WIP: add comment pointing back to MPI standard
08dfb42: WIP: use enums for most int values
aab2023: WIP: create ABI header file from template with cat...
46fae8e: WIP: generate header with ABI values for #defines
c15a05d: WIP: remove abi.py
Please fix these problems and, if necessary, force-push new commits back up to the PR branch. Thanks! |
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Hello! The Git Commit Checker CI bot found a few problems with this PR: f7d94fa: WIP: explain issue with pympistandard for callback...
4d79937: WIP: fix JSONs
ec9c45a: WIP: fix typo in pympistd arg
b047b19: WIP: add JSONs for ABI and API
c9d0c7a: WIP: bump pympistandard commit for profiling embig...
a1255ce: WIP: move Aint helper macros under ifndef OMPI_NO_...
342b072: WIP: add some workarounds for MPI_Fint and MPI_Inf...
53aeac5: WIP: mangle some more functions
93c0a39: WIP: avoid double inclusion of abi.h
afd9eb2: WIP: use pympistandard by editing PYTHONPATH (inst...
d397bfc: WIP: fix some bugs in mangling names
da2630f: WIP: fix typo for MPI_internal
956dded: WIP: add additional types and functions to be mang...
0b10ce6: WIP: temp fix for Aint problems
9830327: WIP: add input for abi.h.in
68c69df: WIP: move abi.h.in
702cb23: WIP: add in 5.0 apis.json
6b2784f: WIP: move code out of consts.py
22d4cb2: WIP: call c_header from Makefile
b0d0ff2: WIP: mangle names for internal usage
96a33c3: WIP: generate callback function prototypes
d2dd7ed: WIP: remove comment function
45d8789: WIP: print out embiggened versions of functions
b081aa2: WIP: add MPI and ABI versions
80ebfe7: WIP: generate API prototypes
93e6375: WIP: Comment out a Fortran-only category
db8a2b5: WIP: add comment pointing back to MPI standard
08dfb42: WIP: use enums for most int values
aab2023: WIP: create ABI header file from template with cat...
46fae8e: WIP: generate header with ABI values for #defines
c15a05d: WIP: remove abi.py
Please fix these problems and, if necessary, force-push new commits back up to the PR branch. Thanks! |
hppritcha
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Hello! The Git Commit Checker CI bot found a few problems with this PR: e86186b: WIP: add JSONs for ABI and API
24417ec: WIP: bump pympistandard commit for profiling embig...
718b1d0: WIP: move Aint helper macros under ifndef OMPI_NO_...
3431c8d: WIP: add some workarounds for MPI_Fint and MPI_Inf...
566fdaa: WIP: mangle some more functions
8396bef: WIP: avoid double inclusion of abi.h
39c20b7: WIP: use pympistandard by editing PYTHONPATH (inst...
d1aece4: WIP: fix some bugs in mangling names
c7c1809: WIP: fix typo for MPI_internal
2bbf9eb: WIP: add additional types and functions to be mang...
1db8082: WIP: temp fix for Aint problems
870e925: WIP: add input for abi.h.in
a56da85: WIP: move abi.h.in
4c2aee1: WIP: add in 5.0 apis.json
3d85943: WIP: move code out of consts.py
4e85726: WIP: call c_header from Makefile
8d8f554: WIP: mangle names for internal usage
5f29a48: WIP: generate callback function prototypes
c5d5f30: WIP: remove comment function
1613149: WIP: print out embiggened versions of functions
3f229b3: WIP: add MPI and ABI versions
584aeb7: WIP: generate API prototypes
7c73091: WIP: Comment out a Fortran-only category
72d2bff: WIP: add comment pointing back to MPI standard
c303345: WIP: use enums for most int values
7d79681: WIP: create ABI header file from template with cat...
99e9992: WIP: generate header with ABI values for #defines
Please fix these problems and, if necessary, force-push new commits back up to the PR branch. Thanks! |
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I wonder if we should make the bot not complain about unsigned commits on draft PRs. That would reduce some of the noise on PR's like this. |
hppritcha
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Turns out that in commit 6bd36a7 we had a function that is not part of the MPI standard. This showed while working on ABI support - which requires us to pay attention to the truth rather than make stuff up. This commit removes our made up MPI_Session_set_info method. Turns out who ever was doing the fortran bindings knew this wasn't a method in the standard so there's no need to change the fortran bindings. Same thing applies to the man pages. Related to open-mpi#13280 Signed-off-by: Howard Pritchard <howardp@lanl.gov>
hppritcha
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@hppritcha There is some issue with out-of-source builds, i.e |
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interesting distcheck didn't check this. |
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jenkins ci runs make distcheck |
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The ABI mpi.h header is missing some MPI_T_XXX types. Also, the Status f08/c converters are declared, and they should not. I did the following manual edits to the installed mpi.h header: diff -up ./mpi.h.orig ./mpi.h
--- ./mpi.h.orig 2025-08-28 18:55:49.842968779 +0300
+++ ./mpi.h 2025-08-28 19:03:07.192957305 +0300
@@ -490,6 +490,13 @@ enum {
/* C preprocessor constants and Fortran parameters */
/* $CATEGORY:C_PREPROCESSOR_CONSTANTS_FORTRAN_PARAMETERS$ */
+typedef struct MPI_T_enum_t* MPI_T_enum;
+typedef struct MPI_T_cvar_handle_t* MPI_T_cvar_handle;
+typedef struct MPI_T_pvar_handle_t* MPI_T_pvar_handle;
+typedef struct MPI_T_pvar_session_t* MPI_T_pvar_session;
+typedef struct MPI_T_event_registration_t* MPI_T_event_registration;
+typedef struct MPI_T_event_instance_t* MPI_T_event_instance;
+
/* Handles used in the MPI tool information interface */
#define MPI_T_ENUM_NULL ((MPI_T_enum) 0)
#define MPI_T_CVAR_HANDLE_NULL ((MPI_T_cvar_handle) 0)
@@ -558,20 +565,20 @@ enum {
};
/* Source event ordering guarantees in the MPI tool information interface */
-enum {
+typedef enum MPI_T_source_order {
MPI_T_SOURCE_ORDERED = 1,
MPI_T_SOURCE_UNORDERED = 2,
-};
+} MPI_T_source_order;
/*
* Callback safety requirement levels used in the MPI tool information interface
*/
-enum {
+typedef enum MPI_T_cb_safety {
MPI_T_CB_REQUIRE_NONE = 0x00,
MPI_T_CB_REQUIRE_MPI_RESTRICTED = 0x03,
MPI_T_CB_REQUIRE_THREAD_SAFE = 0x0F,
MPI_T_CB_REQUIRE_ASYNC_SIGNAL_SAFE = 0x3F,
-};
+} MPI_T_cb_safety;
/* Callback functions */
@@ -1107,13 +1114,13 @@ int MPI_Ssend_init(const void* buf, int
int MPI_Ssend_init_c(const void* buf, MPI_Count count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request);
int MPI_Start(MPI_Request* request);
int MPI_Startall(int count, MPI_Request array_of_requests[]);
-/* int MPI_Status_c2f(const MPI_Status* c_status, MPI_Fint* f_status);
- */int MPI_Status_c2f08(const MPI_Status* c_status, MPI_F08_status* f08_status);
-int MPI_Status_f082c(const MPI_F08_status* f08_status, MPI_Status* c_status);
-/* int MPI_Status_f082f(const MPI_F08_status* f08_status, MPI_Fint* f_status);
- *//* int MPI_Status_f2c(const MPI_Fint* f_status, MPI_Status* c_status);
- *//* int MPI_Status_f2f08(const MPI_Fint* f_status, MPI_F08_status* f08_status);
- */int MPI_Status_get_error(const MPI_Status* status, int* err);
+// /* int MPI_Status_c2f(const MPI_Status* c_status, MPI_Fint* f_status);
+// */int MPI_Status_c2f08(const MPI_Status* c_status, MPI_F08_status* f08_status);
+// int MPI_Status_f082c(const MPI_F08_status* f08_status, MPI_Status* c_status);
+// /* int MPI_Status_f082f(const MPI_F08_status* f08_status, MPI_Fint* f_status);
+// *//* int MPI_Status_f2c(const MPI_Fint* f_status, MPI_Status* c_status);
+// *//* int MPI_Status_f2f08(const MPI_Fint* f_status, MPI_F08_status* f08_status);
+// */int MPI_Status_get_error(const MPI_Status* status, int* err);
int MPI_Status_get_source(const MPI_Status* status, int* source);
int MPI_Status_get_tag(const MPI_Status* status, int* tag);
int MPI_Status_set_cancelled(MPI_Status* status, int flag);
@@ -1799,13 +1806,13 @@ int PMPI_Ssend_init(const void* buf, int
int PMPI_Ssend_init_c(const void* buf, MPI_Count count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request);
int PMPI_Start(MPI_Request* request);
int PMPI_Startall(int count, MPI_Request array_of_requests[]);
-/* int PMPI_Status_c2f(const MPI_Status* c_status, MPI_Fint* f_status);
- */int PMPI_Status_c2f08(const MPI_Status* c_status, MPI_F08_status* f08_status);
-int PMPI_Status_f082c(const MPI_F08_status* f08_status, MPI_Status* c_status);
-/* int PMPI_Status_f082f(const MPI_F08_status* f08_status, MPI_Fint* f_status);
- *//* int PMPI_Status_f2c(const MPI_Fint* f_status, MPI_Status* c_status);
- *//* int PMPI_Status_f2f08(const MPI_Fint* f_status, MPI_F08_status* f08_status);
- */int PMPI_Status_get_error(const MPI_Status* status, int* err);
+// /* int PMPI_Status_c2f(const MPI_Status* c_status, MPI_Fint* f_status);
+// */int PMPI_Status_c2f08(const MPI_Status* c_status, MPI_F08_status* f08_status);
+// int PMPI_Status_f082c(const MPI_F08_status* f08_status, MPI_Status* c_status);
+// /* int PMPI_Status_f082f(const MPI_F08_status* f08_status, MPI_Fint* f_status);
+// *//* int PMPI_Status_f2c(const MPI_Fint* f_status, MPI_Status* c_status);
+// *//* int PMPI_Status_f2f08(const MPI_Fint* f_status, MPI_F08_status* f08_status);
+// */int PMPI_Status_get_error(const MPI_Status* status, int* err);
int PMPI_Status_get_source(const MPI_Status* status, int* source);
int PMPI_Status_get_tag(const MPI_Status* status, int* tag);
int PMPI_Status_set_cancelled(MPI_Status* status, int flag);I'm able to compile (using |
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@hppritcha Actually, take a look at mpi-forum/mpi-abi-stubs#63 |
hppritcha
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The installed $ mpicc_abi helloworld.c
$ mpiexec -n 1 ./a.out
[optiplex:00000] *** An error occurred in MPI_Init_thread
[optiplex:00000] *** reported by process [3633774593,0]
[optiplex:00000] *** on a NULL communicator
[optiplex:00000] *** MPI_ERR_ARG: invalid argument of some other kind
[optiplex:00000] *** MPI_ERRORS_ARE_FATAL (processes in this communicator will now abort,
[optiplex:00000] *** and MPI will try to terminate your MPI job as well)
--------------------------------------------------------------------------
prterun has exited due to process rank 0 with PID 0 on node optiplex calling
"abort". This may have caused other processes in the application to be
terminated by signals sent by prterun (as reported here).
-------------------------------------------------------------------------- |
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@hppritcha The following definitions in the generated /* Predefined functions */
#define MPI_COMM_NULL_COPY_FN ((MPI_Comm_copy_attr_function) 0)
#define MPI_COMM_DUP_FN ((MPI_Comm_copy_attr_function) 1)
#define MPI_COMM_NULL_DELETE_FN ((MPI_Comm_delete_attr_function) 0)
#define MPI_WIN_NULL_COPY_FN ((MPI_Win_copy_attr_function) 0)
#define MPI_WIN_DUP_FN ((MPI_Win_copy_attr_function) 1)
#define MPI_WIN_NULL_DELETE_FN ((MPI_Win_delete_attr_function) 0)
#define MPI_TYPE_NULL_COPY_FN ((MPI_Type_copy_attr_function) 0)
#define MPI_TYPE_DUP_FN ((MPI_Type_copy_attr_function) 1)
#define MPI_TYPE_NULL_DELETE_FN ((MPI_Type_delete_attr_function) 0)
#define MPI_CONVERSION_FN_NULL ((MPI_Datarep_conversion_function) 0)
#define MPI_CONVERSION_FN_NULL_C ((MPI_Datarep_conversion_function_c) 0)
/* Deprecated predefined functions */
#define MPI_NULL_COPY_FN ((MPI_Copy_function) 0)
#define MPI_DUP_FN ((MPI_Copy_function) 1)
#define MPI_NULL_DELETE_FN ((MPI_Delete_function) 0) |
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PS: You may have a similar problems in some |
ompi/mpi/c/abi_converters.h
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| __opal_attribute_always_inline__ static inline int ompi_convert_abi_ts_level_intern_ts_level(int ts_level) | ||
| { | ||
| if (MPI_THREAD_SINGLE_ABI_INTERNAL == ts_level) { |
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Wouldn't a switch statement be better? It may ultimately be a matter of taste (optimizing compilers may generate similar binary code). Just a mild observation.
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@hppritcha What's your plan for stuff introduced in MPI 4.1 and MPI 5.0? The generated mpi.h header says This is a list of what I managed to detect as missing from mpi4py's configuration machinery for missing MPI stuff. |
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Current status regarding mpi4py:
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Thanks for checking this stuff out in its early state @dalcinl. some of the above functions have been implemented but are sitting in various states in PRs. some of these should be defined - like We still need to add some plumbing in the ompi internals for callbacks. that will come in as part of this PR. The NERSC folks would really like ABI working for Doudna so to the extent there's a "plan" it would be nice to get this working sooner than later. |
Signed-off-by: Howard Pritchard <howardp@lanl.gov>
Signed-off-by: Howard Pritchard <howardp@lanl.gov>
Signed-off-by: Howard Pritchard <howardp@lanl.gov>
Signed-off-by: Howard Pritchard <howardp@lanl.gov>
Signed-off-by: Howard Pritchard <howardp@lanl.gov>
variants. We'll need to append the temporary arrays holding translated datatype handles to the nbc request for cleanup after the non-blocking op is completed or the persistent request has been freed. Signed-off-by: Howard Pritchard <howardp@lanl.gov>
Signed-off-by: Howard Pritchard <howardp@lanl.gov>
thanks to dalcinl for help here Signed-off-by: Howard Pritchard <howardp@lanl.gov>
need to convert the ompi internal keyval to abi one before invoking user supplied callbacks for win, type, comm Signed-off-by: Howard Pritchard <howardp@lanl.gov>
like MPI_BUFFER_AUTOMATIC Signed-off-by: Howard Pritchard <howardp@lanl.gov>
Signed-off-by: Howard Pritchard <howardp@lanl.gov>
Signed-off-by: Howard Pritchard <howardp@lanl.gov>
from buffer detach operations. Signed-off-by: Howard Pritchard <howardp@lanl.gov>
Signed-off-by: Howard Pritchard <howardp@lanl.gov>
Signed-off-by: Howard Pritchard <howardp@lanl.gov>
leverage nbc infrastructure Signed-off-by: Howard Pritchard <howardp@lanl.gov>
Thanks to dalcinl for finding. Signed-off-by: Howard Pritchard <howardp@lanl.gov>
and correction major/minor versoin returned from the ABI build. Signed-off-by: Howard Pritchard <howardp@lanl.gov>
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that problem described in the last comment is because i've not pulled in a fix that's in main. rebasing to get fixes. |
hppritcha
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Could you please apply this patch? comm-file-win-toint.patch |
thanks to dalcinl ! Signed-off-by: Howard Pritchard <howardp@lanl.gov>
done! thanks very much! |
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@hppritcha Here you have another patch ompi-abigen.patch |
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@hppritcha And another patch ompi-errcode.patch The first part is easy, you were missing some error classes. I got lazy, and to figure out the missing entries, I just sorted everything. That's the reason the patch has many swapped lines in the diff of The second part is trickier. When querying |
i'll add a TODO comment. I moved ompi_abi_mpi_lastusedcode to being a global and defined with some of the other attr related items to attr_fn_abi.c |
Signed-off-by: Howard Pritchard <howardp@lanl.gov>
Signed-off-by: Howard Pritchard <howardp@lanl.gov>
Signed-off-by: Howard Pritchard <howardp@lanl.gov>
7 participants
Two external MPI libraries are now created: libmpi.so and libmpi_abi.so.
Backend code that was originally in libmpi.la has been extracted into
libopen-mpi.la to be linked into both libraries.
Parts of the Open MPI C interface are now being generated by a python
script (abi.py) from modified source files (named with *.in). This
script generates files for both the ompi ABI and the standard ABI from
the same source file, also including new bigcount interfaces.
To compile standard ABI code, there's a new mpicc_abi compiler wrapper.
The standard ABI does not yet include all functions or symbols, so more
complicated source files will not compile. ROMIO must be disabled for
the code to link, since it's relying on the external MPI interface.
Many todos left:
enable-mca-dsoThis PR supercedes #12033