mrkn commented on a change in pull request #7477:
URL: https://github.com/apache/arrow/pull/7477#discussion_r443990095
##
File path: cpp/src/arrow/sparse_tensor_test.cc
##
@@ -49,7 +49,10 @@ static inline void AssertCOOIndex(const
std::shared_ptr& sidx, const int
}
}
-TE
mrkn commented on a change in pull request #7477:
URL: https://github.com/apache/arrow/pull/7477#discussion_r443990095
##
File path: cpp/src/arrow/sparse_tensor_test.cc
##
@@ -49,7 +49,10 @@ static inline void AssertCOOIndex(const
std::shared_ptr& sidx, const int
}
}
-TE
mrkn commented on a change in pull request #7477:
URL: https://github.com/apache/arrow/pull/7477#discussion_r443982716
##
File path: python/pyarrow/tensor.pxi
##
@@ -339,6 +350,15 @@ shape: {0.shape}""".format(self)
def non_zero_length(self):
return self.stp.non_z
cyb70289 commented on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647914768
> I'm refactoring to nix util::optional. I'm too tired to finish it tonight
so I'll work on it tomorrow morning. If the perf regression isn't gone I'll
rewrite the sort kernels.
emkornfield commented on pull request #6402:
URL: https://github.com/apache/arrow/pull/6402#issuecomment-647907608
@jacques-n are you happy with the changes?
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emkornfield commented on a change in pull request #7321:
URL: https://github.com/apache/arrow/pull/7321#discussion_r443958283
##
File path: format/Schema.fbs
##
@@ -134,11 +134,20 @@ table FixedSizeBinary {
table Bool {
}
+/// Exact decimal value represented as an integer v
emkornfield commented on pull request #7290:
URL: https://github.com/apache/arrow/pull/7290#issuecomment-647903916
It would be great if @jacques-n could confirm he is OK with these changes.
I believe on a previous PR the extra indirection was a concern.
--
wesm edited a comment on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647888437
FWIW the performance issue seems to be more pronounced on gcc than clang,
here is the benchmark comparison on my machine with clang-8
```
wesm commented on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647888437
FWIW the performance issue seems to be more pronounced on gcc than clang,
here is the benchmark comparison on my machine with clang-8
```
wesm edited a comment on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647887135
I'm refactoring to nix util::optional. I'm too tired to finish it tonight so
I'll work on it tomorrow morning.
--
wesm edited a comment on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647887135
I'm refactoring to nix util::optional. I'm too tired to finish it tonight so
I'll work on it tomorrow morning. If the perf regression isn't gone I'll
rewrite the sort kernels.
wesm commented on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647887135
I'm refactoring to nix util::optional.
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wesm commented on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647886669
Also, I don't really understand the use of `util::optional` in these
templates. The user should pass separate lambdas for the not-null and null cases
---
wesm edited a comment on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647884747
Sorting seems too important to leave it to these relatively complex
templates (for example, just after determining that a value is not null, the
`optional` value is checked wh
wesm edited a comment on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647884747
Sorting seems too important to leave it to these relatively complex
templates, I would suggest implementing the counting sort without using
`VisitArrayDataInline`. I'm happy t
wesm commented on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647884747
Sorting seems too important to leave it to these relatively complex
templates, I would suggest implementing the counting sort without using
`VisitArrayDataInline`
-
cyb70289 commented on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647884195
I see big performance drop from some counting sort cases, also tested on my
local machine. Should be related to these visitor code:
https://github.com/apache/arrow/blob/master/cp
wesm commented on pull request #7516:
URL: https://github.com/apache/arrow/pull/7516#issuecomment-647883524
I improved the output to show the `state.counters` stuff
```
benchmark baselinecontender change %
count
ursabot commented on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647883517
[AMD64 Ubuntu 18.04 C++ Benchmark
(#114347)](https://ci.ursalabs.org/#builders/73/builds/89) builder has been
succeeded.
Revision: dbd166df749e73cbf7c1ec0c6cfa5837280aa32d
cyb70289 commented on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647878260
@ursabot benchmark --suite-filter=arrow-compute-vector-sort-benchmark
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mrkn commented on a change in pull request #7477:
URL: https://github.com/apache/arrow/pull/7477#discussion_r443928439
##
File path: python/pyarrow/tensor.pxi
##
@@ -199,7 +202,13 @@ shape: {0.shape}""".format(self)
for x in dim_names:
c_dim_names.
mrkn commented on a change in pull request #7477:
URL: https://github.com/apache/arrow/pull/7477#discussion_r443922882
##
File path: python/pyarrow/tensor.pxi
##
@@ -199,7 +202,13 @@ shape: {0.shape}""".format(self)
for x in dim_names:
c_dim_names.
mrkn commented on pull request #7477:
URL: https://github.com/apache/arrow/pull/7477#issuecomment-647860707
> I don't understand the PR's motivation. You say that:
>
> > To support the integration with scipy.sparse.coo_matrix, it is necessary
to add a flag in SparseCOOIndex
> > bu
wesm edited a comment on pull request #7449:
URL: https://github.com/apache/arrow/pull/7449#issuecomment-647860226
@kou utf8proc should only be used in a small number of compilation units, so
what do you think about just using `set_source_files_properties(... PROPERTIES
COMPILE_DEFINITIONS
wesm commented on pull request #7449:
URL: https://github.com/apache/arrow/pull/7449#issuecomment-647860226
@kou utf8proc should only be used in a small number of compilation units, so
what do you think about just using `set_target_properties(... PROPERTIES
COMPILE_DEFINITIONS UTF8PROC_STA
wesm commented on a change in pull request #7520:
URL: https://github.com/apache/arrow/pull/7520#discussion_r443914793
##
File path: docs/source/developers/contributing.rst
##
@@ -17,53 +17,73 @@
.. _contributing:
-***
-Contribution Guidelines
-
github-actions[bot] commented on pull request #7522:
URL: https://github.com/apache/arrow/pull/7522#issuecomment-647857111
https://issues.apache.org/jira/browse/ARROW-8801
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wesm commented on a change in pull request #7522:
URL: https://github.com/apache/arrow/pull/7522#discussion_r443913968
##
File path: cpp/src/arrow/python/arrow_to_pandas.cc
##
@@ -1269,13 +1283,18 @@ class DatetimeTZWriter : public DatetimeNanoWriter {
: DatetimeNanoWrit
wesm opened a new pull request #7522:
URL: https://github.com/apache/arrow/pull/7522
An array object was failing to be decref'd on the DatetimeTZ conversion
path. The code is slightly complicated by the different calling reference
ownership semantics of the Array/ChunkedArray conversion pa
kiszk commented on a change in pull request #7507:
URL: https://github.com/apache/arrow/pull/7507#discussion_r443912778
##
File path: cpp/src/arrow/ipc/read_write_test.cc
##
@@ -409,6 +414,32 @@ class IpcTestFixture : public io::MemoryMapFixture, public
ExtensionTypesMixin {
kou closed pull request #7509:
URL: https://github.com/apache/arrow/pull/7509
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kou commented on pull request #7509:
URL: https://github.com/apache/arrow/pull/7509#issuecomment-647843737
+1
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github-actions[bot] commented on pull request #7509:
URL: https://github.com/apache/arrow/pull/7509#issuecomment-647836070
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kou commented on pull request #7449:
URL: https://github.com/apache/arrow/pull/7449#issuecomment-647834815
The change doesn't add `UTF8PROC_STATIC` definition...
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kou commented on pull request #7452:
URL: https://github.com/apache/arrow/pull/7452#issuecomment-647834442
TODO:
* Need the `UTF8PROC_STATIC` definition with bundled utf8proc
* Need to add include path for `utf8proc.h`
-
kou commented on pull request #7509:
URL: https://github.com/apache/arrow/pull/7509#issuecomment-647833733
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wesm commented on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647825256
FWIW on the "gcc/clang perf discussion", clang also shows performance
benefits and limited downside
```
benchmark baselinecontender change
wesm edited a comment on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647825256
FWIW on the "gcc/clang perf discussion", clang-8 also shows performance
benefits and limited downside
```
benchmark baselinecontende
wesm commented on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647823397
Also on the binary size, these changes add about 75KB to libarrow.so. My
guess is the difference is mostly coming from code inlining for the all-null
case (which wasn't split out bef
wesm edited a comment on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647821487
Here's a benchmark run with gcc-8
```
---
BenchmarkTime
wesm edited a comment on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647821487
Here's a benchmark run with gcc-8
```
---
BenchmarkTime CPU Iteration
wesm edited a comment on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647821487
Here's a benchmark run with gcc-8
```
---
BenchmarkTime CPU Iteration
wesm commented on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647821487
Here's a benchmark run with gcc-8
```
---
BenchmarkTime CPU Iterations
--
github-actions[bot] commented on pull request #7521:
URL: https://github.com/apache/arrow/pull/7521#issuecomment-647820320
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wesm opened a new pull request #7521:
URL: https://github.com/apache/arrow/pull/7521
This significantly speeds up processing of mostly-not-null or mostly-null
data, while having almost no overhead for the other scenarios where you rarely
have a word-sized run of all-not-null or all-null-da
kszucs edited a comment on pull request #7516:
URL: https://github.com/apache/arrow/pull/7516#issuecomment-647798092
Using pandas is not a problem, but the results cannot be improved much other
than sorting the table.
This i
kszucs commented on pull request #7516:
URL: https://github.com/apache/arrow/pull/7516#issuecomment-647798092
Using pandas is not a problem, but other than sorting the results we cannot
really improve the look and feel.
Thi
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nealrichardson opened a new pull request #7520:
URL: https://github.com/apache/arrow/pull/7520
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kou closed pull request #7508:
URL: https://github.com/apache/arrow/pull/7508
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github-actions[bot] commented on pull request #7509:
URL: https://github.com/apache/arrow/pull/7509#issuecomment-647794119
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kou commented on pull request #7508:
URL: https://github.com/apache/arrow/pull/7508#issuecomment-647793770
+1
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kou commented on pull request #7509:
URL: https://github.com/apache/arrow/pull/7509#issuecomment-647793370
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kou commented on pull request #7449:
URL: https://github.com/apache/arrow/pull/7449#issuecomment-647791287
Ah, we need the `UTF8PROC_STATIC` definition.
Does this work?
```diff
diff --git a/cpp/cmake_modules/ThirdpartyToolchain.cmake
b/cpp/cmake_modules/ThirdpartyToolchain.
alippai commented on pull request #7517:
URL: https://github.com/apache/arrow/pull/7517#issuecomment-647789155
Does "for testing and benchmarking" mean that it's not optimal to store
arrow/parquet files on Minio for production workloads?
---
kou commented on a change in pull request #7507:
URL: https://github.com/apache/arrow/pull/7507#discussion_r443832986
##
File path: cpp/src/arrow/ipc/read_write_test.cc
##
@@ -409,6 +414,32 @@ class IpcTestFixture : public io::MemoryMapFixture, public
ExtensionTypesMixin {
wesm edited a comment on pull request #7516:
URL: https://github.com/apache/arrow/pull/7516#issuecomment-647758158
I’m sort of -1 on using anything but pandas for data munging and data
presentation in our tooling. It’s not a very large dependency and has
everything we need. FWIW, the curre
wesm commented on pull request #7452:
URL: https://github.com/apache/arrow/pull/7452#issuecomment-647763853
@xhochy I'm fine with merging this -- it's a non-mandatory dependency right
(sorry have not reviewed the patch yet and the PR description does not say)?
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kou commented on pull request #7509:
URL: https://github.com/apache/arrow/pull/7509#issuecomment-647758878
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wesm commented on pull request #7516:
URL: https://github.com/apache/arrow/pull/7516#issuecomment-647758158
I’m sort of -1 on using anything but pandas for data munging and data
presentation in our tooling. It’s not a very large dependency and has
everything we need.
---
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URL: https://github.com/apache/arrow/pull/7519#issuecomment-647754455
https://issues.apache.org/jira/browse/ARROW-9153
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kszucs opened a new pull request #7519:
URL: https://github.com/apache/arrow/pull/7519
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maartenbreddels commented on pull request #7449:
URL: https://github.com/apache/arrow/pull/7449#issuecomment-647711867
@xhochy I see at least an `undefined reference to `_imp__utf8proc_toupper'`
in the MinGW builds, hope that helps.
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fsaintjacques commented on pull request #7516:
URL: https://github.com/apache/arrow/pull/7516#issuecomment-647698721
ursabot uses `tabulate` which I think is smaller dependencies.
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wesm commented on pull request #7143:
URL: https://github.com/apache/arrow/pull/7143#issuecomment-647699240
Here's with clang, even less of an issue there it seems
```
benchmark baselinecontender
change % regression
32 BM_R
wesm closed pull request #7506:
URL: https://github.com/apache/arrow/pull/7506
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wesm commented on pull request #7506:
URL: https://github.com/apache/arrow/pull/7506#issuecomment-647696604
+1. Appveyor build https://ci.appveyor.com/project/wesm/arrow/builds/33669506
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wesm commented on pull request #7143:
URL: https://github.com/apache/arrow/pull/7143#issuecomment-647694302
Here's what I see with gcc-8:
```
benchmark baseline
contender change % regression
1 BM_ReadColumn/1/1 1.336
pitrou closed pull request #7504:
URL: https://github.com/apache/arrow/pull/7504
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nealrichardson opened a new pull request #7518:
URL: https://github.com/apache/arrow/pull/7518
Since after 1.0, the library versions will continue to increase but the
format will remain at 1.0 until it is modified, we need to version the
specification docs separately from the library versi
fsaintjacques opened a new pull request #7517:
URL: https://github.com/apache/arrow/pull/7517
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projjal commented on pull request #7504:
URL: https://github.com/apache/arrow/pull/7504#issuecomment-647691097
> Any reason not to use a `util::string_view`?
Since the toDate function here takes a char array and just passes it onto
the parseTimestamp method, using a util::string_view
nealrichardson commented on pull request #7503:
URL: https://github.com/apache/arrow/pull/7503#issuecomment-647691008
Thanks!
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nealrichardson closed pull request #7503:
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wesm commented on pull request #7143:
URL: https://github.com/apache/arrow/pull/7143#issuecomment-647690792
I rebased. I'm going to look at the benchmarks locally and then probably
merge this so further performance work (including comparing with
BitBlockCounter) can be pursued as follow up
xhochy commented on pull request #7452:
URL: https://github.com/apache/arrow/pull/7452#issuecomment-647688900
@maartenbreddels Feel free to rebase again, this patch is ready for a merge.
@wesm Should we merge this as-is or is delay it until @maartenbreddels
branch is ready?
---
nealrichardson commented on a change in pull request #7435:
URL: https://github.com/apache/arrow/pull/7435#discussion_r443735874
##
File path: r/src/array_from_vector.cpp
##
@@ -201,6 +202,67 @@ struct VectorToArrayConverter {
return Status::OK();
}
+ template
+ ar
nealrichardson commented on a change in pull request #7514:
URL: https://github.com/apache/arrow/pull/7514#discussion_r443733083
##
File path: r/src/array_from_vector.cpp
##
@@ -1067,12 +1110,22 @@ std::shared_ptr
InferArrowTypeFromVector(SEXP x) {
if (Rf_inherits(x, "data.
kszucs edited a comment on pull request #7516:
URL: https://github.com/apache/arrow/pull/7516#issuecomment-647677894
> @kszucs can you assist me with adapting ursabot for these changes?
Sure.
> I think we can use pandas's `DataFrame.to_html` to create a colorized
table for Git
kszucs commented on pull request #7516:
URL: https://github.com/apache/arrow/pull/7516#issuecomment-647677894
> @kszucs can you assist me with adapting ursabot for these changes?
Sure.
> I think we can use pandas's `DataFrame.to_html` to create a colorized
table for GitHub, too
https
wesm commented on pull request #7143:
URL: https://github.com/apache/arrow/pull/7143#issuecomment-647674585
@emkornfield I'm sorry that I've been neglecting this PR. I will try to
rebase this and investigate the perf questions a little bit
-
pitrou commented on pull request #7516:
URL: https://github.com/apache/arrow/pull/7516#issuecomment-647673667
Just a small question: why are `m` and `b` used for millions and billions,
respectively? (I would probably expect `M` and `G`)
pitrou commented on a change in pull request #7477:
URL: https://github.com/apache/arrow/pull/7477#discussion_r443707259
##
File path: python/pyarrow/tensor.pxi
##
@@ -339,6 +350,15 @@ shape: {0.shape}""".format(self)
def non_zero_length(self):
return self.stp.non
wesm commented on pull request #7506:
URL: https://github.com/apache/arrow/pull/7506#issuecomment-647649670
For curiosity, here are the same benchmarks on my laptop with gcc-8 (using
the new output formatting from ARROW-9201)
```
benchmark
wesm commented on a change in pull request #7506:
URL: https://github.com/apache/arrow/pull/7506#discussion_r443696884
##
File path: cpp/src/arrow/util/int_util.cc
##
@@ -461,75 +472,434 @@ Status IndexBoundsCheckImpl(const ArrayData& indices,
uint64_t upper_limit) {
if (in
wesm commented on pull request #7516:
URL: https://github.com/apache/arrow/pull/7516#issuecomment-647641007
@kszucs can you assist me with adapting ursabot for these changes? I think
we can use pandas's `DataFrame.to_html` to create a colorized table for GitHub,
too https://pandas.pydata.o
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wesm opened a new pull request #7516:
URL: https://github.com/apache/arrow/pull/7516
This uses pandas to generate a sorted text table when using `archery
benchmark diff`. Example:
https://github.com/apache/arrow/pull/7506#issuecomment-647633470
There's some other incidental ch
wesm commented on a change in pull request #7506:
URL: https://github.com/apache/arrow/pull/7506#discussion_r443689349
##
File path: cpp/src/arrow/util/int_util.cc
##
@@ -461,75 +472,434 @@ Status IndexBoundsCheckImpl(const ArrayData& indices,
uint64_t upper_limit) {
if (in
pitrou commented on a change in pull request #7506:
URL: https://github.com/apache/arrow/pull/7506#discussion_r443664270
##
File path: cpp/src/arrow/util/int_util.cc
##
@@ -461,75 +472,434 @@ Status IndexBoundsCheckImpl(const ArrayData& indices,
uint64_t upper_limit) {
if (
wesm edited a comment on pull request #7506:
URL: https://github.com/apache/arrow/pull/7506#issuecomment-647633470
Here's the benchmark comparison with clang-8
```
$ archery benchmark diff --cc=clang-8 --cxx=clang++-8 2db48b4 653817301
--benchmark-filter=Cast
pitrou commented on pull request #7263:
URL: https://github.com/apache/arrow/pull/7263#issuecomment-647633067
Well, can't you just use `BufferReader` and `BufferOutputStream`? Am I
missing something?
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wesm commented on pull request #7506:
URL: https://github.com/apache/arrow/pull/7506#issuecomment-647633470
Here's the benchmark comparison with clang-8
```
$ archery benchmark diff --cc=clang-8 --cxx=clang++-8 89844a100 653817301
--benchmark-filter=Cast
alexbaden commented on pull request #7263:
URL: https://github.com/apache/arrow/pull/7263#issuecomment-647628896
I'd like to have an object similar to `RecordBatchStreamReader` that could
read the schema, IPC handles, and dictionary memo from a single buffer, and a
corresponding writer of
pitrou commented on pull request #7263:
URL: https://github.com/apache/arrow/pull/7263#issuecomment-647627751
@alexbaden I'm not sure I understand what you have in mind. Could you
elaborate?
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alexbaden commented on pull request #7263:
URL: https://github.com/apache/arrow/pull/7263#issuecomment-647623057
I'd be interested in trying to add it into the record batch stream reader --
the idea being you could send both CPU data and GPU data pointers in a single
serialized object with
github-actions[bot] commented on pull request #7515:
URL: https://github.com/apache/arrow/pull/7515#issuecomment-647616782
https://issues.apache.org/jira/browse/ARROW-2801
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