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empty #4

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mpichbot opened this issue Oct 14, 2016 · 0 comments
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empty #4

mpichbot opened this issue Oct 14, 2016 · 0 comments

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This was referenced Oct 14, 2016
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jeffhammond added a commit to jeffhammond/mpich that referenced this issue Oct 17, 2016
@jeffhammond
prevent FPE in test by exiting if np too low
4a12347 
allgatherv4 appears to divide by zero if np<3.

jrhammon-mac01:coll jrhammon$ lldb ./allgatherv4
(lldb) target create "./allgatherv4"
Current executable set to './allgatherv4' (x86_64).
(lldb) run
Process 30785 launched: './allgatherv4' (x86_64)
Process 30785 stopped
* thread pmodels#1: tid = 0x699d9e, 0x0000000100001acb allgatherv4`run_test +
* 507, queue = 'com.apple.main-thread', stop reason = EXC_ARITHMETIC
* (code=EXC_I386_DIV, subcode=0x0)
    frame #0: 0x0000000100001acb allgatherv4`run_test + 507
allgatherv4`run_test:
->  0x100001acb <+507>: idivq  %rsi
    0x100001ace <+510>: movq   %rax, -0x58(%rbp)
    0x100001ad2 <+514>: movq   -0x58(%rbp), %rax
    0x100001ad6 <+518>: movq   -0x58(%rbp), %rdi
(lldb) bt
* thread pmodels#1: tid = 0x699d9e, 0x0000000100001acb allgatherv4`run_test +
* 507, queue = 'com.apple.main-thread', stop reason = EXC_ARITHMETIC
* (code=EXC_I386_DIV, subcode=0x0)
  * frame #0: 0x0000000100001acb allgatherv4`run_test + 507
    frame pmodels#1: 0x0000000100001854 allgatherv4`comm_tests + 340
    frame pmodels#2: 0x00000001000015e8 allgatherv4`main + 648
    frame pmodels#3: 0x00007fff90b6a5c9 libdyld.dylib`start + 1
    frame pmodels#4: 0x00007fff90b6a5c9 libdyld.dylib`start + 1
@hzhou hzhou mentioned this issue Apr 5, 2019
Merged
@hzhou hzhou mentioned this issue Nov 25, 2019
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@raffenet raffenet mentioned this issue May 4, 2020
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@cesarpomar cesarpomar mentioned this issue Jun 17, 2021
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abrooks98 added a commit that referenced this issue Jun 16, 2023
@abrooks98
Merge pull request #6526 from abrooks98/ze_ipc_cache_support
446580f 
mpl/gpu: Implement optimized IPC cache for ze backend (PR #4)
@xiaoyao9933 xiaoyao9933 mentioned this issue May 30, 2024
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