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(WIP) MPI RMA support#251

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nelsonje wants to merge 53 commits intomasteruwsampa/grappa:masterfrom nelsonje/MPIRDMAuwsampa/grappa:nelsonje/MPIRDMACopy head branch name to clipboard

+8,287-64

Commits

Commits on Dec 15, 2015

• initial support for MPI puts

  nelsonje

  committed
  4198346

• add blocking and non-blocking puts and gets

  nelsonje

  committed
  6c3b985

• add test() for RMA requests

  nelsonje

  committed
  4e583da

• test multi-region allocation/access; fix bugs in region identification

  nelsonje

  committed
  0412068

• add atomic ops for int64_t

  nelsonje

  committed
  d470e53

• move collective/atomic MPI ops to a better place

  nelsonje

  committed
  86f9f0e

• add some raw blocking collectives

  nelsonje

  committed
  ae9acd8

• fix reductions to work both for user-defined and built-in ops

  nelsonje

  committed
  ca89ae0

• allow RMA requests to be reset without wait

  nelsonje

  committed
  7754199

• some helper code for array allocations

  nelsonje

  committed
  beb423e

• update atomic op implementation for new MPIOp class

  nelsonje

  committed
  0ddeb05

• add compare-and-swap

  nelsonje

  committed
  71bcb49

• whoops, need to force atomic ops to complete

  nelsonje

  committed
  551ab97

• add raw allreduce

  nelsonje

  committed
  c7eddd9

• add non-blocking atomics and cas

  nelsonje

  committed
  6c821ae

• support registering already-allocated memory

  nelsonje

  committed
  4df6706

• reduce scope of fence for atomic ops

  nelsonje

  committed
  f764d39

• fix window detection for some operations; add better error messages

  

  Jacob Nelson

  authored and

  nelsonje

  committed
  cbbdac2

• additional name for deregistering memory, plus check for registered memory

  

  Jacob Nelson

  authored and

  nelsonje

  committed
  ec7feba

• enable users to estimate memory that can be allocated in global address space

  nelsonje

  committed
  dea094e

• apparently our Travis' Clang doesn't support std::map.emplace() yet

  nelsonje

  committed
  79233b8

• better alternative to std::map.emplace()

  nelsonje

  committed
  1ed45f2

Commits on Dec 17, 2015

• disable runpath support until it can be fixed

  

  Jacob Nelson

  committed
  b4836ce

Commits on Jan 2, 2016

• expose RMA addresses explicitly so that we can convert addresses to offsets on different cores

  nelsonje

  committed
  5ae1001

• switch to typed RMAAddress

  nelsonje

  committed
  f4f02dd

• whoops, correct typeo

  nelsonje

  committed
  99d947f

• allow casts to const

  nelsonje

  committed
  251d2c7

• add RMAAddress specialization for void and const void

  nelsonje

  committed
  cc6fe0d

• remove local dereference capability; switch back to byte offsets; add member offset calculation to RMAAddress

  nelsonje

  committed
  f5f2957

Commits on Jan 6, 2016

• Workaround to properly represent zero-size regions

  

  Jacob Nelson

  committed
  1117fa8

Commits on Jan 7, 2016

• Switch to dynamic window for RMA

  nelsonje

  committed
  b416929

Commits on Jan 8, 2016

• ensure we don't try to deregister memory regions after we've already shut down MPI

  nelsonje

  committed
  a2dd8f5

Commits on Jan 10, 2016

• add simple repo revision number tracking

  nelsonje

  committed
  b91e754

• update makefile instructions

  nelsonje

  committed
  9a14710

Commits on Jan 11, 2016

• Add first pass of new symmetric allocator

  nelsonje

  committed
  1dc357b

• update comments

  nelsonje

  committed
  a511dd6

• temporarily disable git version include until build order problem is worked out.

  

  Jacob Nelson

  committed
  28903ad

Commits on Jan 12, 2016

• LLVM doesn't like reinterpret_cast in constant expressions; maybe a C-style cast is okay?

  nelsonje

  committed
  feb22ba

• convert symmetric region bounds to static const members rather than constexpr for compatibility

  nelsonje

  committed
  6456422

• clean up comments

  nelsonje

  committed
  4edac3d

• activate new symmetric allocator for RMA

  nelsonje

  committed
  89d500f

• switch off verbose output by default (fixes #263)

  

  Jacob Nelson

  committed
  d03b21b

• fix backwards namespace usage

  

  Jacob Nelson

  committed
  c86f4fb

• make symmetric alloc/free synchronous to avoid use-before-alloc/use-after-free

  

  Jacob Nelson

  committed
  02dfd53

• pre-allocate some space in symmetric heap during initialization

  

  Jacob Nelson

  committed
  10cc70c

• put initial symmetric heap size flag declaration in the right place

  

  Jacob Nelson

  committed
  947d97d

• Merge pull request #267 from uwsampa/nelsonje/MPIRDMAallocator

  Show description for 1c3f2d9
  nelsonje

  committed
  1c3f2d9

• get rid of debug print statement

  

  Jacob Nelson

  committed
  b1fbd0c

Commits on Feb 2, 2016

• fix off-by-one error in shared message pool

  nelsonje

  committed
  873d001

Commits on Feb 9, 2016

• add nontemporal payload messages

  nelsonje

  committed
  d3f060d

• add failure handler for SIGBUS as well as SIGSEGV

  nelsonje

  committed
  c97d32f

Commits on Mar 9, 2016

• Move communicator buffer mask calculation after memory pressure resizing routine

  nelsonje

  committed
  fe8cae4

Commits on Aug 20, 2016

• Add third-party compiler flags to configure to support building on Cray XC's

  

  Jacob Nelson

  committed
  2b50e74