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Add support for Sierra port #43

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Add support for Sierra port #43

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Commits on Mar 19, 2021

  1. config: Add support for IBM Spectrum resource manager (jsrun)

    @dongahn
    dongahn committed Mar 19, 2021
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  2. config: Add IBM Spectrum detection logic into --with-test-rm

    @dongahn
    dongahn committed Mar 19, 2021
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  3. config: Add POWER Little Endian platform support

    @dongahn
    dongahn committed Mar 19, 2021
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  4. launchmon: Add IBM Spectrum and PowerLE support 

    Adjust for OpenPower ABI functional call convension
change: The ABI adds two different entry points, one
for intramodule call and the other intermodule call
(being done through TOC).

Port for IBM Spectrum jsrun. Add new spectrum definition
and also adjust back end deamon code as to how it should
synchronize itself with Spectrum MPI target.

Adjust how to handle new thread creation. When a new thread
is created, we will get the SIGTRAP notification via waitpid
on the parent thread that spawns a new thread.
But on a recent Linux kernal, we have to check the high
order bits of waitpid returned status as:

leftshift status by 8 bits and then to see if
it is equal to (SIGTRAP | (LINUX_TRACER_EVENT_CLONE << 8).

Add a work around for jsrun's broken MPIR_attach_fifo.
It is expecting ASCII 1 to be sent to the FIFO when
it should expect a numeric 1. Need to drop it when
IBM ultimately fixes the issue. (Bug filed to IBM).
    @dongahn
    dongahn committed Mar 19, 2021
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  5. test: Add IBM Spectrum support into test programs

    @dongahn
    dongahn committed Mar 19, 2021
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  6. test: cleanup 

    Remove BG deadwoods from test programs

Add misaligned header comments

Refactor printing of launcher path
    @dongahn
    dongahn committed Mar 19, 2021
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  7. engine: Remove an MPIR_attach_fifo work-around 

    jsrun had a bug where MPIR_attach_fifo is expecting a byte
that contains an ASCII '1' (49) when it should expect a byte
that contains integer 1.

The specification is at
https://www.mpi-forum.org/docs/mpir-specification-10-11-2010.pdf
    @dongahn
    dongahn committed Mar 19, 2021
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  8. engine: Add a warning note for RM designers 

    Warn about a common bug where the target RM process cannot
detect the FIFO poke.

When launchmon send integer 1 to the FIFO while the RM process
is still stopped, the sent can go undetected even when the
RM process resumes its execution depending on how the FIFO
is polled.
    @dongahn
    dongahn committed Mar 19, 2021
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  9. engine: Drop some traces that always print -- deadwood?

    @dongahn
    dongahn committed Mar 19, 2021
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  10. engine: Add a update comment

    @dongahn
    dongahn committed Mar 19, 2021
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