| Commit message (Collapse) | Author | Age | Files | Lines |
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copyright notice.
Tested platform:
Kagiso only since it is only a comment block change. If it works in one
machine, it should work in all, I hope. Still need to check the parallel
build on copper.
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New feature
Description:
All datasets were 1D only before. Added -g to use 2D datasets such
that it allows more options in testing various access patterns.
Platforms tested:
heping pp.
Misc. update:
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New Feature.
Description:
Added code and changes so that h5perf (pio) can be built by
standalone mode (that is built by just "h5pcc" without all these
internal files.) With the standalone mode, h5perf can be built
against different versions of hdf5 library and to contrast the
performance among them.
(Note that pio_standalone.c and pio_standalone.h are used in
standalone build only.)
Platforms tested:
Tested in copper and heping.
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Code cleanup
Description:
Remove the fill-value option entirely, since the 1.5.x library's default
behavior is now the same as the 1.4.x behavior and also there is no
corresponding code for implementing fill-values with the POSIX or MPI-I/O tests.
Platforms tested:
FreeBSD 4.8 (sleipnir) w/parallel
too small to need h5committest
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New feature.
Description:
Added MPI-posix VFL driver support.
Platforms tested:
FreeBSD 4.6 (sleipnir) w/parallel & IRIX64 6.5 (modi4) w/parallel
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New features, etc.
Description:
Bring over all the recent changes from the release branch.
Platforms tested:
IRIX64 6.5 (modi4) w/parallel
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New Feature
Description:
Added support for collective I/O with MPI and HDF5 access methods.
Platforms tested:
IRIX64 6.5 (modi4) w/parallel
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New Feature
Description:
Added interleaved block pattern to MPI and HDF5 access methods. Also,
changed the blocks to just use the same size as the regular blocks for I/O,
instead of a separate block size.
Platforms tested:
IRIX64 6.5 (modi4) w/parallel
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Code cleanup
Description:
Turn on more warnings in the IRIX builds and clean them up.
Platforms tested:
IRIX64 6.5 (modi4) w/parallel
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Added the '-D v' option for "verify data correctness".
Platforms tested:
modi4, eirene, burrwhite (all pp).
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Feature Add
Description:
Added support for testing only the "write" operations. Use the "-w"
or "--write-only" flags for this.
Platforms tested:
Linux (parallel) & Modi4 (parallel)
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Features
Description:
Added a few macros to print rank and size of MPI_COMM_WORLD in
a unifed style.
Platforms tested:
modi4, eirene, burrwhite
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Code cleanup and new feature.
Description:
Cleaned out some old debug print statments.
Added option -B for interleaved I/O block size.
(Just parsing and sanity check is done. Real I/O implementation
is not done yet.)
Platforms tested:
eirene(pp)
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bug fix
Description:
pio_info_g has been moved to the test/libh5test.a but the
pio_* source files still have the old definition and declaration.
Some compilers hated the duplcation.
Solution:
Replaced the duplication with #include h5test.h and added test/ to
the include search path too.
Platforms tested:
eirene, modi4.
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Folded the changes made in v1.4 into v1.5.
print library version information in help page too.
Specify the nofill feature supported in v1.5 only.
Print the values of the KB, MB and GB in case a user wants to see them.
Setup a macro, H5_HAVE_NOFILL, to indicate if Dataset no fill feature
is supported. If not, --no-fill is an invalid option.
Platforms tested:
modi4
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Update
Description:
Updating the source for the PIO performance tests with the current
code that's in the V1.4 branch. It includes the newest command-line
parameters.
Platforms tested:
Linux-pp
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Folded the added feature of setting MPI Info object from v1.4 to this
branch.
Platforms tested:
modi4
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Bug fix
Description:
Was not able to handle data size (file size) larger than 32bits.
Was using long, which is only 4 bytes big in SP, thus overflowing
into negative when trying to address 2GB or larger.
Solution:
Changed those variables involved in file size/offset calculation
to type off_t. (If a certain system/compiler has off_t defined
as 4 bytes, it can't write to file size larger than 2GB anyway.)
Note that the lseek of SP with -D_LARGE_FILE still fails for
offset larger than 2GB (works for 2GB). That has to be fixed
soon.
Platforms tested:
burrwhite (linux 2.4) and modi4 parallel.
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Bug fix, feature
Description:
Added code to time pure MPI_File_write_xxx and read_xxx routines.
Moved the setting of the timer_g to when timer is created (new)
and destroyed.
Platforms tested:
modi4pp
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Modification
Description:
Put some of the variables into the global space so that random
functions can access them. (The output and timer variables which
point to the output file and timer resp.)
Placed the debug level 4 prints into the timer module so that it's
easier to automatically put timer start/stop printfs for new timers
which are created.
Added timers for MPI Time calls (called HDF5_MPI_WRITE and
HDF5_MPI_READ).
Platforms tested:
Linux
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Bug Fix
Description:
There was a duplicate declaration of print_indent() in the header and
in the source files.
Solution:
Removed the public declaration and made the function static again.
Platforms tested:
Arabica
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Port
Description:
Brought forward the changes (timing debug prints) from the 1.4
branch.
Platforms tested:
Linux
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Bug fix
Description:
The symbol "RAW" is already defined in some ioctl.h files.
Changed it to RAWIO.
Platforms tested:
Tflops.
(I am commiting this from TFLOPS. Will check it out immediate
to test on local machines.)
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Code cleanup
Description:
Platform dependent code related to the struct stat and fstat
calls polluted source codes. Hard to maintain.
Solution:
Platform dependent code are moved to H5private.h and then internal
code can #include H5private.h. Repeat those macro definition for
the stdio and multi drivers since they area examples for writing
a virtual file driver. They must not use any internal code.
Platforms tested:
eirene (parallel), modi4 (serial including gass driver.)
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Change default actions.
Description:
Change the default maximum number of processes (-P) to use all processes
instead of just 1 (old default). Someone most likely wants to test
the I/O performance with all processes involved.
Also starts performance measurement with maximum number of processes
and decrement it with each loop. If the performance measurement
needs to restart, it can run with fewer processes if those loops
have completed.
Platforms tested:
modi4 and eirene.
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Feature add and algorithm reworking.
Description:
Added a "--debug" flag so we can print out various extra debugging
information.
Reworked the algorithm so that it's printing the correct throughput.
Here's how it's supposed to work:
process
T_0 T_1 T_2 T_3 ... T_n
iteration 1
2
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.
.
m
Retrieve the maximum time from each iteration over the number of
processes. (So, if T_i had the maximum time in iteration j, then use
that time). Calculate the "Throughput" of iteration j:
S_j = (raw_size / T_i)
Collect that information over all of the iterations. Then output the
Max, Min, and Ave of all of the S_k's.
Platforms tested:
Linux (pp)
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Purpose:
Feature Fix
Description:
Changed so the "pio_perf" module handles creating and destroying the
MPI Comm. Worked it so we get the minimum, maximum, and average times
over a set of iterations.
Solution:
Lots. Had to pull the MPI Comm code from the "pio_engine" module and
place it in the "pio_perf" module. Then worked on a way to have all
processes send their time output to process 0, who collects it and
gives back the min, max, and avg times for the iterations.
Platforms tested:
Linux. Doesn't work if you use more than 1 processor...*hrmph*
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Purpose:
Feature Changes
Description:
Okay, I needed to add in more parameters so that the user can modify
how things are supposed to work with the PIO programs. Also needed
to change the algorithm a bit to make these work. And needed to add
in timing for the READ option.
Solution:
Added the above things. The parameters took a major rewrite of the
command-line parsing stuff. Here's the usage statement:
usage: pio_perf [OPTIONS]
OPTIONS
-h, --help Print a usage message and exit
-d N, --num-dsets=N Number of datasets per file [default:1]
-f S, --file-size=S Size of a single file [default: 64M]
-F N, --num-files=N Number of files [default: 1]
-H, --hdf5 Run HDF5 performance test
-i, --num-iterations Number of iterations to perform [default: 1]
-m, --mpiio Run MPI/IO performance test
-o F, --output=F Output raw data into file F [default: none]
-P N, --max-num-processes=N Maximum number of processes to use [default: 1]
-p N, --min-num-processes=N Minimum number of processes to use [default: 1]
-r, --raw Run raw (UNIX) performance test
-X S, --max-xfer-size=S Maximum transfer buffer size [default: 1M]
-x S, --min-xfer-size=S Minimum transfer buffer size [default: 1K]
F - is a filename.
N - is an integer >=0.
S - is a size specifier, an integer >=0 followed by a size indicator:
K - Kilobyte
M - Megabyte
G - Gigabyte
Example: 37M = 37 Megabytes
Platforms tested:
Linux, but not fully finished...
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Bug fixes, feature, ...
Description:
Now it can do raw write.
Platforms tested:
modi4(pp), eirene (pp)
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Purpose:
Small Fixes
Description:
After conversation with Albert, here are some small fixes for the
performance stuff. Not too significant. Though, we did add the
"buffer size" as a parameter I pass to the engine.
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Purpose:
Feature Fix
Description:
Added code so that it will actually output some of the timing
measurements.
Platforms tested:
Linux
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Purpose:
Small warning removals
Description:
Just removed a few more warnings to make the compile go a bit
smoother...
Platforms tested:
Linux
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Purpose:
bug Fix
Description:
Changed the code so that if parallel stuff isn't enabled, then we
don't compile the parallel code.
Solution:
Cleaned up the code and put #ifdef's around it checking for parallel
flags.
Platforms tested:
Linux
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New addition
Description:
Initial version of the Parallel I/O performance measurement program.
Not fully implemented yet but checking them in before I may destroy
them by accident.
Don't run this in small file system (like AFS or eirene) since it
generates gigabytes test files.
Platforms tested:
modi4 64bits. It compiled and ran but took a long time because
the current test parametes are too "wild".
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