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[RELEASE] raft v23.04 #1405

Merged
merged 110 commits into from
Apr 12, 2023
Merged

[RELEASE] raft v23.04 #1405

merged 110 commits into from
Apr 12, 2023

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❄️ Code freeze for branch-23.04 and v23.04 release

What does this mean?

Only critical/hotfix level issues should be merged into branch-23.04 until release (merging of this PR).

What is the purpose of this PR?

  • Update documentation
  • Allow testing for the new release
  • Enable a means to merge branch-23.04 into main for the release

raydouglass and others added 30 commits January 23, 2023 10:51
[gpuCI] Forward-merge branch-23.02 to branch-23.04 [skip gpuci]
Forward-merge branch-23.02 to branch-23.04
Forward-merge branch-23.02 to branch-23.04
Forward-merge branch-23.02 to branch-23.04
Forward-merge branch-23.02 to branch-23.04
Forward-merge branch-23.02 to branch-23.04
This change should've occurred in the commit below when the [update-version.sh](https://github.com/rapidsai/raft/blob/branch-23.02/ci/release/update-version.sh) script was run.

This file is listed in `update-version.sh`, so I'm not sure why it wasn't updated

- 9963c12

Authors:
  - AJ Schmidt (https://github.com/ajschmidt8)

Approvers:
  - Sevag H (https://github.com/sevagh)

URL: #1184
Forward-merge branch-23.02 to branch-23.04
Forward-merge branch-23.02 to branch-23.04
Forward-merge branch-23.02 to branch-23.04
Forward-merge branch-23.02 to branch-23.04
Forward-merge branch-23.02 to branch-23.04
Forward-merge branch-23.02 to branch-23.04
Forward-merge branch-23.02 to branch-23.04
Forward-merge branch-23.02 to branch-23.04
Forward-merge branch-23.02 to branch-23.04
Forward-merge branch-23.02 to branch-23.04
Forward-merge branch-23.02 to branch-23.04
In addition to removing uint32_t idx specializations from pairwise distances, this splits a few of the remaining distance specializations into separate files so they can be compiled concurrently. Verified cuml is not using any of the uint32_t specializations.

Authors:
  - Corey J. Nolet (https://github.com/cjnolet)

Approvers:
  - Ben Frederickson (https://github.com/benfred)

URL: #1235
Forward-merge branch-23.02 to branch-23.04
Closes #1166

This adds `init_plus_plus` to pylibraft.

Three things to discuss:
1. can we come up with a better name?
2. what size should the `workspace` be? I couldn't quite work out if the size mattered or not.
3. I tried to add a `@property.setter` to `KMeansParams` so that I can set the `seed` after constructing it. But that leads to an error from cython(?). Does anyone know more about how to do this?

Authors:
  - Tim Head (https://github.com/betatim)
  - Corey J. Nolet (https://github.com/cjnolet)

Approvers:
  - Corey J. Nolet (https://github.com/cjnolet)

URL: #1198
#1140 migrated raft to using `device_resources` instead of `handle_t` everywhere internally, but it was not intended to be a breaking change since `handle_t` inherits from `device_resources`. However, `include/handle.hpp` was changed to include `device_resources.hpp` instead of `core/handle.hpp`, which is a breaking change since it means that downstream projects now need to include `core/handle.hpp` directly if they want access to `handle_t`. While that change may be desired eventually, I do not think that enforcing that requirement was an intended consequence of the change right now.

Authors:
  - Vyas Ramasubramani (https://github.com/vyasr)
  - Corey J. Nolet (https://github.com/cjnolet)

Approvers:
  - Corey J. Nolet (https://github.com/cjnolet)

URL: #1192
This PR moves the date string from the version to the build string for conda recipes in this repository.

This is necessary to ensure that the conda packages resulting from PR builds can be installed in the same environment as nightly conda packages, which is useful for testing purposes.

Additionally, this prevents a bug from occurring where the Python builds fail because the date string it computes is different than the one computed by the C++ build, therefore causing the Python build to search for a C++ build artifact that doesn't exist.

xref: rapidsai/rmm#1195

Authors:
  - AJ Schmidt (https://github.com/ajschmidt8)

Approvers:
  - Ray Douglass (https://github.com/raydouglass)

URL: #1223
…-23.02

[REVIEW] Resolve auto merger conflicts
Consolidating types for ivf-pq, ivf-flat, and refine. Splitting ivf-flat and refine into separate files to parallelize build. 

Closes #1194

Authors:
  - Corey J. Nolet (https://github.com/cjnolet)

Approvers:
  - AJ Schmidt (https://github.com/ajschmidt8)
  - Ben Frederickson (https://github.com/benfred)

URL: #1243
…1255)

…(to match other specializations)

Authors:
  - Corey J. Nolet (https://github.com/cjnolet)

Approvers:
  - Ben Frederickson (https://github.com/benfred)

URL: #1255
This PR updates the branch reference used for our shared workflows.

Authors:
  - AJ Schmidt (https://github.com/ajschmidt8)

Approvers:
  - Ray Douglass (https://github.com/raydouglass)

URL: #1256
pentschev and others added 21 commits March 22, 2023 21:53
In dask/distributed#7580 get_worker was modified to return the worker of a task, thus it cannot be used by client.run, and we must now use dask_worker as the first argument to client.run to obtain the worker.

Authors:
  - Peter Andreas Entschev (https://github.com/pentschev)

Approvers:
  - Corey J. Nolet (https://github.com/cjnolet)
  - AJ Schmidt (https://github.com/ajschmidt8)

URL: #1365
Following the findings in https://github.com/ahendriksen/raft/tree/investigate-compile-time-reduction-strategies#investigation-of-compile-times, this PR reduces the compile times of the pairwise distance specializations.
This is achieved by:
1. Reducing the number of included files in the translation units where kernels are instantiated, specifically `spdlog` and `rmm` are avoided. 
2. Limiting loop unrolling in kernels with expensive operations in the inner loop.

Additional improvements geared towards iterative development:
1. The tests do not have to be recompiled when the internals of a pairwise distance kernel change. Before, a rebuilt was triggered due an include of `raft/distance/distance.cuh`.
2. Addition of a  fine tuning benchmark for the pairwise distance kernels that separates building the kernel from the benchmark code. This dramatically speeds up development. Compiling an empty benchmark takes roughly 18 seconds on my machine. Whereas recompiling a kernel takes ~3.8 seconds. Without this addition, a commit like 35a2ad4 would require substantially more time to make sure that performance is not degraded. 

![image](https://user-images.githubusercontent.com/4172822/225383120-5f8a82f9-0b46-4c39-bc1d-7b2a0551e881.png)

```
Parallel build time before: 270 seconds (6 cores, SMT, 12 jobs)
Parallel build time before: 147 seconds (6 cores, SMT, 12 jobs)

Sum of compile times before: 3022.6 seconds
Sum of compile times after:  1816.2 seconds

Comparison of compile times between headers and compiled: 
path                                                                         before (s)     after (s)  change (s) change (%)
pairwise_test                                                                    None        0.486       None     None
ance/distance/specializations/detail/lp_unexpanded_double_double_double_int.cu.o  101.1          10.3       -90.8     -89.8%
src/distance/distance/specializations/detail/canberra_float_float_float_int.cu.o   52.9           6.3       -46.6     -88.0%
/distance/distance/specializations/detail/canberra_double_double_double_int.cu.o   48.5           6.4       -42.1     -86.8%
stance/distance/specializations/detail/jensen_shannon_float_float_float_int.cu.o   65.3          10.4       -55.0     -84.1%
istance/distance/specializations/detail/kl_divergence_float_float_float_int.cu.o   70.2          12.6       -57.6     -82.0%
stance/distance/specializations/detail/correlation_double_double_double_int.cu.o   46.7           8.9       -37.8     -80.9%
distance/specializations/detail/hellinger_expanded_double_double_double_int.cu.o   41.6           8.1       -33.5     -80.6%
nce/distance/specializations/detail/jensen_shannon_double_double_double_int.cu.o   74.6          15.1       -59.5     -79.7%
ir/src/distance/distance/specializations/detail/l1_double_double_double_int.cu.o   40.9           8.4       -32.5     -79.4%
ance/distance/specializations/detail/l2_unexpanded_double_double_double_int.cu.o   40.7           8.6       -32.1     -78.8%
distance/specializations/detail/hamming_unexpanded_double_double_double_int.cu.o   40.8           9.0       -31.7     -77.8%
istance/distance/specializations/detail/lp_unexpanded_float_float_float_int.cu.o   45.9          10.2       -35.7     -77.8%
src/distance/distance/specializations/detail/l_inf_double_double_double_int.cu.o   41.2           9.5       -31.8     -77.0%
istance/distance/specializations/detail/russel_rao_double_double_double_int.cu.o   29.5           7.2       -22.3     -75.6%
t.dir/src/distance/distance/specializations/detail/l1_float_float_float_int.cu.o   47.3          13.2       -34.1     -72.2%
ce/distance/specializations/detail/hamming_unexpanded_float_float_float_int.cu.o   47.0          13.3       -33.7     -71.6%
/distance/distance/specializations/detail/correlation_float_float_float_int.cu.o   49.4          14.1       -35.3     -71.5%
ce/distance/specializations/detail/hellinger_expanded_float_float_float_int.cu.o   43.6          12.5       -31.1     -71.4%
c/distance/distance/specializations/detail/russel_rao_float_float_float_int.cu.o   28.5           8.2       -20.3     -71.2%
ance/distance/specializations/detail/kl_divergence_double_double_double_int.cu.o   75.8          21.9       -53.9     -71.1%
istance/distance/specializations/detail/l2_unexpanded_float_float_float_int.cu.o   46.2          13.5       -32.7     -70.7%
ir/src/distance/distance/specializations/detail/l_inf_float_float_float_int.cu.o   43.1          12.7       -30.4     -70.6%
stance/distance/specializations/detail/l2_expanded_double_double_double_int.cu.o   52.3          24.9       -27.3     -52.3%
/distance/distance/specializations/detail/l2_expanded_float_float_float_int.cu.o   75.8          40.3       -35.5     -46.8%
rc/distance/distance/specializations/detail/cosine_double_double_double_int.cu.o   53.5          28.7       -24.8     -46.4%
r/src/distance/distance/specializations/detail/cosine_float_float_float_int.cu.o   83.9          50.1       -33.8     -40.3%
CMakeFiles/pairwise_test.dir/test/distance/fused_l2_nn.cu.o                        85.1          64.1       -21.1     -24.7%
wise_test.dir/src/distance/distance/specializations/fused_l2_nn_float_int64.cu.o   56.2          42.9       -13.3     -23.6%
irwise_test.dir/src/distance/distance/specializations/fused_l2_nn_float_int.cu.o   52.5          40.2       -12.3     -23.5%
CMakeFiles/pairwise_test.dir/test/distance/dist_lp_unexp.cu.o                      56.3          43.3       -13.0     -23.1%
CMakeFiles/pairwise_test.dir/test/distance/dist_russell_rao.cu.o                   55.7          44.0       -11.7     -21.0%
rwise_test.dir/src/distance/distance/specializations/fused_l2_nn_double_int.cu.o   45.3          36.4        -9.0     -19.8%
CMakeFiles/pairwise_test.dir/test/distance/dist_l2_unexp.cu.o                      54.6          44.1       -10.6     -19.3%
CMakeFiles/pairwise_test.dir/test/distance/dist_canberra.cu.o                      51.6          42.1        -9.6     -18.6%
CMakeFiles/pairwise_test.dir/test/distance/dist_l2_exp.cu.o                        53.1          43.4        -9.6     -18.2%
CMakeFiles/pairwise_test.dir/test/distance/dist_l_inf.cu.o                         53.2          43.9        -9.3     -17.5%
CMakeFiles/pairwise_test.dir/test/distance/dist_hellinger.cu.o                     53.1          44.0        -9.0     -17.0%
CMakeFiles/pairwise_test.dir/test/distance/dist_hamming.cu.o                       52.3          43.4        -8.9     -17.0%
CMakeFiles/pairwise_test.dir/test/distance/dist_l2_sqrt_exp.cu.o                   54.0          45.6        -8.4     -15.6%
CMakeFiles/pairwise_test.dir/test/distance/dist_l1.cu.o                            52.6          44.5        -8.1     -15.4%
CMakeFiles/pairwise_test.dir/test/distance/dist_kl_divergence.cu.o                 52.4          44.7        -7.7     -14.8%
ise_test.dir/src/distance/distance/specializations/fused_l2_nn_double_int64.cu.o   43.5          37.2        -6.4     -14.7%
CMakeFiles/pairwise_test.dir/test/distance/dist_cos.cu.o                           52.4          44.8        -7.6     -14.5%
CMakeFiles/pairwise_test.dir/test/distance/dist_jensen_shannon.cu.o                53.2          45.7        -7.6     -14.2%
CMakeFiles/pairwise_test.dir/test/distance/dist_inner_product.cu.o                 51.1          44.8        -6.3     -12.4%
istance/distance/specializations/detail/inner_product_float_float_float_int.cu.o   39.5          35.1        -4.5     -11.3%
CMakeFiles/pairwise_test.dir/test/distance/dist_correlation.cu.o                   51.7          46.8        -4.9     -9.5%
ance/distance/specializations/detail/inner_product_double_double_double_int.cu.o   37.1          33.9        -3.1     -8.5%
src/distance/distance/specializations/detail/kernels/gram_matrix_base_float.cu.o   45.3          41.7        -3.6     -8.0%
rc/distance/distance/specializations/detail/kernels/gram_matrix_base_double.cu.o   42.5          39.6        -2.9     -6.8%
stance/distance/specializations/detail/kernels/polynomial_kernel_double_int.cu.o   40.4          38.5        -1.9     -4.8%
CMakeFiles/pairwise_test.dir/test/distance/dist_adj.cu.o                          123.3         117.8        -5.4     -4.4%
CMakeFiles/pairwise_test.dir/test/distance/gram.cu.o                               55.3          53.4        -1.9     -3.5%
build.ninja                                                                         4.0           4.0        +0.0     +0.1%
istance/distance/specializations/detail/kernels/polynomial_kernel_float_int.cu.o   45.2          45.6        +0.4     +0.8%
.dir/src/distance/distance/specializations/detail/kernels/tanh_kernel_float.cu.o   45.2          46.0        +0.8     +1.7%
dir/src/distance/distance/specializations/detail/kernels/tanh_kernel_double.cu.o   39.0          39.8        +0.8     +2.1%
CMakeFiles/pairwise_test.dir/src/distance/distance/pairwise_distance.cu.o          39.6          50.1       +10.5     +26.6%
```

Authors:
  - Allard Hendriksen (https://github.com/ahendriksen)
  - Corey J. Nolet (https://github.com/cjnolet)

Approvers:
  - Corey J. Nolet (https://github.com/cjnolet)
  - Divye Gala (https://github.com/divyegala)

URL: #1307
raft-dask requires nccl to build, add to the dependencies.yaml so that when creating a clean raft conda environment - we can build all of raft out of the box

Authors:
  - Ben Frederickson (https://github.com/benfred)
  - Corey J. Nolet (https://github.com/cjnolet)

Approvers:
  - Corey J. Nolet (https://github.com/cjnolet)
  - AJ Schmidt (https://github.com/ajschmidt8)

URL: #1361
This PR uses dependencies.yaml to generate the dependency lists in pyproject.toml

Authors:
  - Vyas Ramasubramani (https://github.com/vyasr)
  - Corey J. Nolet (https://github.com/cjnolet)

Approvers:
  - AJ Schmidt (https://github.com/ajschmidt8)
  - Corey J. Nolet (https://github.com/cjnolet)

URL: #1364
Closes #1289

Authors:
  - Corey J. Nolet (https://github.com/cjnolet)
  - Ben Frederickson (https://github.com/benfred)

Approvers:
  - Ben Frederickson (https://github.com/benfred)

URL: #1292
UCX 1.14.0 was recently released and conda-forge package was updated in conda-forge/ucx-split-feedstock#111 with several packaging improvements. Relax the pin to allow installing UCX v1.14.x as well.

Authors:
  - Peter Andreas Entschev (https://github.com/pentschev)
  - AJ Schmidt (https://github.com/ajschmidt8)
  - Corey J. Nolet (https://github.com/cjnolet)

Approvers:
  - AJ Schmidt (https://github.com/ajschmidt8)

URL: #1366
I noticed some folks on Twitter asking about an architecture diagram for RAFT. I think it's a good idea to provide this in the README.

Authors:
  - Corey J. Nolet (https://github.com/cjnolet)

Approvers:
  - Ben Frederickson (https://github.com/benfred)
  - Divye Gala (https://github.com/divyegala)

URL: #1370
The main changes are:

- Add a one-block version. It uses single thread block for one row of a batch and is used when `len` is relatively small (<= 16384)
- Avoid writing candidates to buffers when the number of candidates is larger than buffer length.
- Add a parameter to control whether to use a fused filter in the last pass or use a standalone filter kernel. The later case is preferable when the leading bits of inputs are almost same.
- Early stopping: when the target bucket contains `k` values, we can stop the computation earlier
- Many implementation details are polished, like the initialization of `counter`, calculation of kernel launch parameters, and the scan step
- Tests and benchmarks are updated to include the new implementations. New benchmarks are added to demonstrate the advantage of adaptive version.

Authors:
  - Yong Wang (https://github.com/yong-wang)
  - Corey J. Nolet (https://github.com/cjnolet)
  - Tamas Bela Feher (https://github.com/tfeher)

Approvers:
  - Tamas Bela Feher (https://github.com/tfeher)

URL: #1175
This is a copy and modification of a user's project but I think this is going to be generally useful to users as the same types of challenges are going to come up again. In this case, the user wasn't able to build/link because they weren't using `rapids-cmake` to propagate important configuration settings. I think having a skeleton project available that we build in CI and keep up to date will help new users build more applications on RAFT. 


TODO:
- [x] Make building the template optional 
- [x] Verify this can build in CMake and reuse already built/installed bits
- [x] Add to docs / readme and reference in README.md
- [x] Add a little example of invoking an API (maybe `pairwise_distances`?) to `main()`

Authors:
  - Corey J. Nolet (https://github.com/cjnolet)
  - Ben Frederickson (https://github.com/benfred)

Approvers:
  - Micka (https://github.com/lowener)
  - Dante Gama Dessavre (https://github.com/dantegd)
  - Divye Gala (https://github.com/divyegala)
  - AJ Schmidt (https://github.com/ajschmidt8)

URL: #1312
This should cut compilation time for refine_d_int64_t_float.cu.o et al from ~900 seconds to 29 seconds.

The refine specialization contain >100 instances of the ivfflat_interleaved_scan kernel, even though these should be seperately compiled by the ivfflat_search specializations. 

The call to ivf_flat_interleaved_scan is [here](https://github.com/rapidsai/raft/blob/56ac43ad93a319a61073dce1b3b937f6f13ade63/cpp/include/raft/neighbors/detail/refine.cuh#L121). 

Depends on (so please merge after) PR #1307.

Authors:
  - Allard Hendriksen (https://github.com/ahendriksen)
  - Corey J. Nolet (https://github.com/cjnolet)

Approvers:
  - Corey J. Nolet (https://github.com/cjnolet)

URL: #1360
Add the ability for a user to specify an epilogue function to run after the distance in the brute_force::knn call.

This lets us remove faiss from cuml, by updating the hdbscan reachability code (rapidsai/cuml#5293)

Authors:
  - Ben Frederickson (https://github.com/benfred)
  - Corey J. Nolet (https://github.com/cjnolet)

Approvers:
  - Corey J. Nolet (https://github.com/cjnolet)

URL: #1371
New `bench/ann` artifact for comparing (C++ APIs for) GPU-acclerated algorithms end-to-end. Working on this w/ @tfeher but had to squash the original commits into a single commit.

Things left to do:
- [x] Separate `benchmarks` executables for each different algorithm
- [x] Separate build targets for `ggnn` and `hnswlib`
- [x] Revise `bench/ann` docs
- [x] Break `factory.cuh` abd `benchmark.cu` / `benchmark.cpp` into individual files for each different algorithm to make it easier to plug in new algorithms. 
- [x] Separate into its own conda package

closes #1211

Authors:
  - Corey J. Nolet (https://github.com/cjnolet)

Approvers:
  - Ray Douglass (https://github.com/raydouglass)
  - Ben Frederickson (https://github.com/benfred)
  - Tamas Bela Feher (https://github.com/tfeher)

URL: #1304
Add `--time` option to `build.sh` that enables compile time logging of `nvcc`. 

Also, add a script `cpp/scripts/analyze_nvcc_log.py` to find the translation units that take the longest time. 

Output looks like: 

```
$ cpp/scripts/analyze_nvcc_log.py cpp/build/nvcc_compile_log.csv
-- loading data
-- analyzing data
-- Ten longest translation units:
phase  index                                               file        cicc   cudafe++  fatbinary  gcc (compiling)  gcc (preprocessing 1)  gcc (preprocessing 4)        ptxas   total time
0         10  ions/detail/canberra_double_double_double_int.cu    42.431063  10.601856   0.020979         6.747153               3.721194               2.093567  1618.390375  1684.006186
1         11  zations/detail/canberra_float_float_float_int.cu    36.928960   9.804138   0.011537         6.796088               3.481156               1.790703  1584.262875  1643.075457
2         85  ors/specializations/refine_d_uint64_t_uint8_t.cu   602.935531  14.980877   0.529673        36.300566               6.270717               2.889723   933.622969  1597.530056
3         84  bors/specializations/refine_d_uint64_t_int8_t.cu   606.513281  16.243960   0.729282        39.981113               5.608029               3.028493   897.241469  1569.345628
4         53  stance/neighbors/ivfpq_search_int8_t_uint64_t.cu   841.049750   8.233967   1.025554        24.248578               4.069022               1.747108   631.193734  1511.567713
5         52  istance/neighbors/ivfpq_search_float_uint64_t.cu   837.241437   8.145278   1.042313        24.400606               3.433528               1.882623   627.786672  1503.932457
6         54  tance/neighbors/ivfpq_search_uint8_t_uint64_t.cu   846.706656   8.371286   1.025517        24.094691               3.432749               1.645345   618.319234  1503.595479
7         76  izations/detail/ivfpq_search_uint8_t_uint64_t.cu   698.726266   7.086368   1.050021        39.727723               3.259101               1.333935   406.509937  1157.693351
8         74  alizations/detail/ivfpq_search_float_uint64_t.cu   706.702516   6.905794   1.049731        39.923895               2.814361               2.057154   395.604000  1155.057450
9         75  lizations/detail/ivfpq_search_int8_t_uint64_t.cu   689.390281   6.483386   1.025864        39.865668               3.121696               1.297788   409.099562  1150.284245
10        83  hbors/specializations/refine_d_uint64_t_float.cu   334.705594  15.466444   0.680270        36.551977               5.405133               2.947568   715.708781  1111.465767
-- Plotting absolute compile times
-- Wrote absolute compile time plot to cpp/build/nvcc_compile_log.csv.absolute.compile_times.png
-- Plotting relative compile times
-- Wrote relative compile time plot to cpp/build/nvcc_compile_log.csv.relative.compile_times.png
```

Authors:
  - Allard Hendriksen (https://github.com/ahendriksen)

Approvers:
  - Corey J. Nolet (https://github.com/cjnolet)

URL: #1262
This PR will also automatically generate an HTML report in `conda-cpp-build` CI runs under the task `Upload Additional Artifacts`

Authors:
  - Divye Gala (https://github.com/divyegala)

Approvers:
  - AJ Schmidt (https://github.com/ajschmidt8)
  - Corey J. Nolet (https://github.com/cjnolet)

URL: #1369
cupy just released version 12, which we do not yet support, so wheels CI must be pinned to require a lower version

Authors:
  - Vyas Ramasubramani (https://github.com/vyasr)

Approvers:
  - Sevag H (https://github.com/sevagh)

URL: #1383
Due to some typos in #1304, the benchmarks are not built any more. 

I have fixed this in this PR. I think it is important that this PR goes into 23.04, otherwise we will not have benchmarks for two months in the stable release.

Authors:
  - Allard Hendriksen (https://github.com/ahendriksen)

Approvers:
  - Corey J. Nolet (https://github.com/cjnolet)

URL: #1389
Switches raft over to the upcoming raft_export(`COMPONET`) support. 

This allows raft to not require to support custom exporting logic

Authors:
  - Robert Maynard (https://github.com/robertmaynard)
  - Corey J. Nolet (https://github.com/cjnolet)

Approvers:
  - Corey J. Nolet (https://github.com/cjnolet)

URL: #1154
This PR pins `dask` and `distributed` to `2023.3.2` and `2023.3.2.1` respectively for `23.04` release.

xref: rapidsai/cudf#13070

Authors:
  - GALI PREM SAGAR (https://github.com/galipremsagar)

Approvers:
  - Peter Andreas Entschev (https://github.com/pentschev)
  - Ray Douglass (https://github.com/raydouglass)
  - Ben Frederickson (https://github.com/benfred)
  - Joseph (https://github.com/jolorunyomi)

URL: #1399
This PR adds CAGRA, a graph based method for nearest neighbor search.

Authors:
  - Tamas Bela Feher (https://github.com/tfeher)
  - Corey J. Nolet (https://github.com/cjnolet)
  - Ben Frederickson (https://github.com/benfred)

Approvers:
  - Ben Frederickson (https://github.com/benfred)
  - Divye Gala (https://github.com/divyegala)

URL: #1375
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