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parallel-string-sorting

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Collection of Parallel String Sorting Algorithms including Parallel Super Scalar String Sample Sort and Parallel Multiway LCP-Mergesort

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# README to parallel-string-sorting

This source code archive contains our test framework for parallel and
sequential string sorting algorithms, as described in our technical report and
paper "Engineering Parallel Sorting". See the project web page
<http://panthema.net/2013/parallel-string-sorting/> for more information.

## Source Code Overview

The main algorithm implementations are in the directory "`src/*/`", with only
"`src/tools/`" containing auxiliary headers.

`src/sequential/` is a collection of old and new sequential string sorting
algorithms, including the original multikey-quicksort from Bentley and
Sedgewick, various older radix sorts from McIlroy, Bostic, and McIlroy, as well
as Stefan Nilsson. The CRadix and LCPMergesort algorithms by Waihong Ng and
Ranjan Sinha's original array and list burstsorts are also included.

In the `src/sequential/` directory we also included sequential versions of
super scalar string sample sort (S^5), which were developed to test the
algorithms before parallelizing them.

Tommi Rantala's huge library of original string sorting implementation is
located in `src/rantala/`, including extra tools.

Ranjan Sinha's copy-burstsort variants are located in
`src/sinha-copy-burstsort`. These are heavily modified and connected to the
framework via the glue.cc source file.

All parallel string sorting implementations, including our fastest one,
**pS^5**, is located in `src/parallel/`. The new algorithm with highest speedups
"pS^5-Unroll" is located in `src/parallel/bingmann-parallel_sample_sort.cc`. For
NUMA systems we developed **multiway LCP-mergesort**, which is located in
`src/parallel/eberle-ps5-parallel-toplevel-merge.h` and uses the LCP-losertree
in `src/tools/eberle-lcp-losertree.h`.

Only one binary program `psstest` is built when compiling with default options,
which contains all implementations in the collection. The main source code file
`psstest.cc` includes most simple algorithms via header files. Further
implementations are separated either via C++ namespaces or individual
compilation units (`.o`s).

The framework combines all algorithms into a "Contest" using the classes in
`src/tools/contest.h`. An implementation registers a sorting function via
macros. All registered implementation can be selected using the "`-a`" command
line switch of psstest. Psstest is used to run speed tests on the various input
instances and automatically checks the calculated result.

## Using psstest

Psstest is the main program used to run, check and measure performance of the
string sorting algorithms. Running the program without arguments will print a
command line help.

The algorithms implementation are selected using the "`-a`" switch. Run `-a
list` for a (long) list of string sorting algorithms. For example `-a mkqs` will
select all algorithms *containing* "mkqs". You can use `-a` multiple times to
select different sets (multiple `-a` are logically inclusive). To select an
algorithm name fully matching a string, use the "`-A`" switch.

The input is selected by giving a file name or artificial random source
name. Available random inputs are "`randomASCII`", "`random10`", "`random4`"
and "`random255`", where the number specifies the alphabet size and ASCII is
described in our paper.

The program will automatically decompress files ending in "`.gz`", "`.bz2`",
"`.xz`" and "`.lzo`" by spawning the appropriate decompressors as a child
program. However, the *decompressed file size* must be added to the file name
for this to be efficient: you must rename a compressed input file like
`test.gz` to `test.12345.gz`, where 12345 is the decompressed file size!

One can *limit* the input size (number of bytes) using `-s <size>`, where size
can be expressed with suffixes like "512mb".

The input strings can be saved using `--input` and the sorted output is saved
with `--output` (otherwise it is discarded).

For parallel string sorters, the number of threads is specified by one of the
arguments: `--threads`, `--some-threads`, `--all-threads` or `--thread-list
<#>`. Check the command line help for details.

To isolate multiple algorithms runs, use the `--fork` argument, which will load
data only once, or the `--datafork` parameter to reload the input in each
forked child program. These can be combined with `--timeout` to abort a child
program after the specified time.

## Building psstest

To build the program a recent gcc C++ compiler, "cmake" version 2.8 or higher,
and the GNU GMP library are required.

Having "parallel-string-sorting-X.Y.Z.tar" unpacked in the current directory,
the following commands will compile and run the psstest program:

```
$ mkdir build
$ cd build
$ cmake -DCMAKE_BUILD_TYPE=Release ..
$ make
$ cd src/
$ ./psstest
```

If the cmake configuration routine does not finish successfully, you may need
to install some development packages via your Linux distribution's package
manager.

Here is a simple example to sort random number strings (10 MiB total chars)
using pS^5-Unroll, and write them unsorted and sorted to files:

```
$ ./psstest -a parallel_sample_sortBTCU2 -s 10mb -i unsorted.txt -o sorted.txt random10
```

## Further Information

We have collected source code, papers, some test instances, and further
information at

<http://panthema.net/2013/parallel-string-sorting/>

## Exits

Written 2013-05-02 by Timo Bingmann, updated 2014-05-13

## Appendix: List of String Sorting Implementations

```
Running parallel-string-sorting d5ef3106bec26758cd9178285fbadfa6d677b306 on i10host
Called as ./psstest -a list
Available string sorting algorithms:
akiba/parallel_radix_sort                                        Parallel MSD radix sort by Takuya Akiba
bingmann/lcp_insertion_sort                                      LCP-aware insertion sort
bingmann/lcp_insertion_sort_cache                                LCP-aware insertion sort (with distinguishing character cache)
bingmann/lcp_insertion_sort_nolcp                                LCP-aware insertion sort (without LCP output)
bingmann/lcp_insertion_sort_pseudocode                           LCP-aware insertion sort close to pseudo-code, with checking
bingmann/lcp_mergesort_128way                                    128-way LCP-Mergesort by Andreas Eberle and Timo Bingmann
bingmann/lcp_mergesort_16way                                     16-way LCP-Mergesort by Andreas Eberle and Timo Bingmann
bingmann/lcp_mergesort_4way                                      4-way LCP-Mergesort by Andreas Eberle and Timo Bingmann
bingmann/lcp_mergesort_8way                                      8-way LCP-Mergesort by Andreas Eberle and Timo Bingmann
bingmann/lcp_mergesort_binary                                    Binary Mergesort with LCP-merge by Andreas Eberle and Timo Bingmann
bingmann/msd_CE                                                  bingmann/msd_CE (rantala CE original)
bingmann/msd_CE2                                                 bingmann/msd_CE2 (CE with reused prefix sum)
bingmann/msd_CE3                                                 bingmann/msd_CE3 (CE2 with iterators)
bingmann/msd_CE_nr                                               bingmann/msd_CE_nr (CE non-recursive)
bingmann/msd_CE_nr2                                              bingmann/msd_CE_nr2 (CE non-recursive)
bingmann/msd_CI                                                  bingmann/msd_CI (rantala CI original with oracle)
bingmann/msd_CI2                                                 bingmann/msd_CI2 (CI without oracle)
bingmann/msd_CI3                                                 bingmann/msd_CI3 (CI2 with swap operations)
bingmann/msd_CI4                                                 bingmann/msd_CI4 (CI3 with swap cache)
bingmann/msd_CI5                                                 bingmann/msd_CI5 (CI4 with charcache)
bingmann/msd_CI5_16bit                                           bingmann/msd_CI5_16bit (CI5 with 16-bit radix)
bingmann/msd_CI_nr                                               bingmann/msd_CI_nr (CI non-recursive)
bingmann/msd_CI_nr2                                              bingmann/msd_CI_nr2 (CI non-recursive)
bingmann/msd_CI_nr3                                              bingmann/msd_CI_nr3 (CI non-recursive, charcache)
bingmann/parallel_mkqs                                           Parallel MKQS with blocks and cache8
bingmann/parallel_radix_sort_16bit                               Parallel MSD Radix sort with load balancing, 16-bit BigSorts
bingmann/parallel_radix_sort_8bit                                Parallel MSD Radix sort with load balancing, 8-bit BigSorts
bingmann/parallel_sample_sortBSC                                 pS5: binary search, bktcache
bingmann/parallel_sample_sortBSC_lcp                             pS5: binary search, bktcache_lcp
bingmann/parallel_sample_sortBTC                                 pS5: binary tree, bktcache
bingmann/parallel_sample_sortBTCE                                pS5: binary tree, equality, bktcache
bingmann/parallel_sample_sortBTCEU1                              pS5: binary tree, equality, bktcache, unroll tree
bingmann/parallel_sample_sortBTCEU1_lcp                          pS5: binary tree, equality, bktcache, unroll tree_lcp
bingmann/parallel_sample_sortBTCE_lcp                            pS5: binary tree, equality, bktcache_lcp
bingmann/parallel_sample_sortBTCT                                pS5: binary tree, bktcache, tree calc
bingmann/parallel_sample_sortBTCTU1                              pS5: binary tree, bktcache, unroll tree, tree calc
bingmann/parallel_sample_sortBTCTU1_lcp                          pS5: binary tree, bktcache, unroll tree, tree calc_lcp
bingmann/parallel_sample_sortBTCTU2                              pS5: binary tree, bktcache, unroll tree and strings, tree calc
bingmann/parallel_sample_sortBTCTU2_lcp                          pS5: binary tree, bktcache, unroll tree and strings, tree calc_lcp
bingmann/parallel_sample_sortBTCT_lcp                            pS5: binary tree, bktcache, tree calc_lcp
bingmann/parallel_sample_sortBTCU1                               pS5: binary tree, bktcache, unroll tree
bingmann/parallel_sample_sortBTCU1_lcp                           pS5: binary tree, bktcache, unroll tree_lcp
bingmann/parallel_sample_sortBTCU2                               pS5: binary tree, bktcache, unroll tree and strings
bingmann/parallel_sample_sortBTCU2_lcp                           pS5: binary tree, bktcache, unroll tree and strings_lcp
bingmann/parallel_sample_sortBTCU2_out                           pS5: binary tree, bktcache, unroll tree and strings, separate output
bingmann/parallel_sample_sortBTCU2_out_lcp                       pS5: binary tree, bktcache, unroll tree and strings, separate output_lcp
bingmann/parallel_sample_sortBTC_lcp                             pS5: binary tree, bktcache_lcp
bingmann/qsort1                                                  Run stdlib qsort with string comparsions (bytewise)
bingmann/qsort4                                                  Run stdlib qsort with string comparsions (4 bytewise)
bingmann/qsort8                                                  Run stdlib qsort with string comparsions (8 bytewise)
bingmann/qsort_strcmp                                            Run stdlib qsort with strcmp comparsion
bingmann/sample_sortBS                                           bingmann/sample_sortBS (binary search, no cache)
bingmann/sample_sortBSC                                          bingmann/sample_sortBSC (binary search, bkt cache)
bingmann/sample_sortBSCA                                         bingmann/sample_sortBSCA (binary search, assembler CMOV, bkt cache)
bingmann/sample_sortBSCE                                         bingmann/sample_sortBSCE (binary search equal, bkt cache)
bingmann/sample_sortBSCEA                                        bingmann/sample_sortBSCEA (binary search equal, assembler CMOV, bkt cache)
bingmann/sample_sortBT                                           bingmann/sample_sortBT (binary tree, no cache)
bingmann/sample_sortBTC                                          bingmann/sample_sortBTC (binary tree, bkt cache)
bingmann/sample_sortBTCA                                         bingmann/sample_sortBTCA (binary tree, asm CMOV, bkt cache)
bingmann/sample_sortBTCE2                                        bingmann/sample_sortBTCE2 (binary tree equal, bkt cache)
bingmann/sample_sortBTCE2A                                       bingmann/sample_sortBTCE2A (binary tree equal, asm CMOV, bkt cache)
bingmann/sample_sortBTCE2U                                       bingmann/sample_sortBTCE2U (binary tree equal unroll, asm CMOV, bkt cache)
bingmann/sample_sortBTCE3                                        bingmann/sample_sortBTCE3 (adapt binary tree equal, bkt cache)
bingmann/sample_sortBTCE3A                                       bingmann/sample_sortBTCE3A (adapt binary tree equal, asm CMOV, bkt cache)
bingmann/sample_sortBTCE3U                                       bingmann/sample_sortBTCE3U (adapt binary tree equal unroll, asm CMOV, bkt cache)
bingmann/sample_sortBTCU                                         bingmann/sample_sortBTCU (binary tree, unrolled, bkt cache)
bingmann/sample_sortRBTCE                                        bingmann/sample_sortRBTCE (adapt binary tree equal, bkt cache)
bingmann/sample_sortRBTCEA                                       bingmann/sample_sortRBTCEA (adapt binary tree equal, asm CMOV, bkt cache)
bingmann/sequential_mkqs_cache8                                  multikey_cache with 8byte cache (non-recursive)
bingmann/stdsort1                                                Run std::sort with string comparsions (bytewise)
bingmann/stdsort4                                                Run std::sort with string comparsions (4 bytewise)
bingmann/stdsort8                                                Run std::sort with string comparsions (8 bytewise)
bs/mkqsort                                                       bs_mkqs Original Multikey-Quicksort
eberle/lcp_insertion_sort                                        LCP aware inssertion sort by Andreas Eberle
eberle/lcp_insertion_sort_cache                                  LCP aware insertion sort with cached characters calculation by Andreas Eberle
eberle/mergesort_lcp_binary                                      Binary Mergesort with LCP-usage by Andreas Eberle
eberle/mergesort_lcp_losertree_16way                             Mergesort with lcp aware Losertree by Andreas Eberle
eberle/mergesort_lcp_losertree_32way                             Mergesort with lcp aware Losertree by Andreas Eberle
eberle/mergesort_lcp_losertree_4way                              Mergesort with lcp aware Losertree by Andreas Eberle
eberle/mergesort_lcp_losertree_64way                             Mergesort with lcp aware Losertree by Andreas Eberle
eberle/parallel-lcp-mergesort-binary-splitting                   parallel LCP aware mergesort by Andreas Eberle
eberle/parallel-lcp-mergesort-lcp-splitting                      parallel LCP aware mergesort by Andreas Eberle
eberle/parallel-lcp-mergesort-standard-splitting                 parallel LCP aware mergesort by Andreas Eberle
eberle/ps5-parallel-toplevel-merge-assisting-binary-splitting    pS5-LCP-Merge with JobQueue assisting each other by Andreas Eberle and Timo Bingmann
eberle/ps5-parallel-toplevel-merge-assisting-lcp-splitting       pS5-LCP-Merge with JobQueue assisting each other by Andreas Eberle and Timo Bingmann
eberle/ps5-parallel-toplevel-merge-assisting-standard-splitting  pS5-LCP-Merge with JobQueue assisting each other by Andreas Eberle and Timo Bingmann
eberle/ps5-parallel-toplevel-merge-binary-splitting              NUMA aware sorting algorithm running pS5 on local memory and then doing a parallel merge by Andreas Eberle
eberle/ps5-parallel-toplevel-merge-lcp-splitting                 NUMA aware sorting algorithm running pS5 on local memory and then doing a parallel merge by Andreas Eberle
eberle/ps5-parallel-toplevel-merge-standard-splitting            NUMA aware sorting algorithm running pS5 on local memory and then doing a parallel merge by Andreas Eberle
insertion_sort                                                   String Insertion-Sort
mbm/radixsort                                                    MSD Radix Sort by P. M. McIlroy, K. Bostic, and M. D. McIlroy
ng/cradix                                                        CRadix Original by Waihong Ng and Katsuhiko Kakehi
ng/lcpmergesort                                                  LCP-Mergesort Original by Waihong Ng and Katsuhiko Kakehi
ng/rantala_cradix                                                CRadix by Waihong Ng and Katsuhiko Kakehi modified by Rantala
nilsson/adaptive_msd                                             Adaptive MSD Radix Sort by Stefan Nilsson
nilsson/forward16                                                Forward Radix Sort 16-bit by Stefan Nilsson
nilsson/forward8                                                 Forward Radix Sort 8-bit by Stefan Nilsson
rantala/burstsort2_bagwell                                       burstsort2 with vector_bagwell bucket type
rantala/burstsort2_brodnik                                       burstsort2 with vector_brodnik bucket type
rantala/burstsort2_sampling_bagwell                              burstsort2 sampling with vector_bagwell bucket type
rantala/burstsort2_sampling_brodnik                              burstsort2 sampling with vector_brodnik bucket type
rantala/burstsort2_sampling_superalphabet_bagwell                burstsort2 sampling superalphabet with vector_bagwell bucket type
rantala/burstsort2_sampling_superalphabet_brodnik                burstsort2 sampling superalphabet with vector_brodnik bucket type
rantala/burstsort2_sampling_superalphabet_vector                 burstsort2 sampling superalphabet with std::vector bucket type
rantala/burstsort2_sampling_superalphabet_vector_block           burstsort2 sampling superalphabet with vector_block bucket type
rantala/burstsort2_sampling_vector                               burstsort2 sampling with std::vector bucket type
rantala/burstsort2_sampling_vector_block                         burstsort2 sampling with vector_block bucket type
rantala/burstsort2_superalphabet_bagwell                         burstsort2 superalphabet with vector_bagwell bucket type
rantala/burstsort2_superalphabet_brodnik                         burstsort2 superalphabet with vector_brodnik bucket type
rantala/burstsort2_superalphabet_vector                          burstsort2 superalphabet with std::vector bucket type
rantala/burstsort2_superalphabet_vector_block                    burstsort2 superalphabet with vector_block bucket type
rantala/burstsort2_vector                                        burstsort2 with std::vector bucket type
rantala/burstsort2_vector_block                                  burstsort2 with vector_block bucket type
rantala/burstsort_bagwell                                        burstsort with vector_bagwell bucket type
rantala/burstsort_brodnik                                        burstsort with vector_brodnik bucket type
rantala/burstsort_mkq_recursiveburst_1                           burstsort_mkq 1byte alphabet with recursiveburst
rantala/burstsort_mkq_recursiveburst_2                           burstsort_mkq 2byte alphabet with recursiveburst
rantala/burstsort_mkq_recursiveburst_4                           burstsort_mkq 4byte alphabet with recursiveburst
rantala/burstsort_mkq_simpleburst_1                              burstsort_mkq 1byte alphabet with simpleburst
rantala/burstsort_mkq_simpleburst_2                              burstsort_mkq 2byte alphabet with simpleburst
rantala/burstsort_mkq_simpleburst_4                              burstsort_mkq 4byte alphabet with simpleburst
rantala/burstsort_sampling_bagwell                               burstsort sampling with vector_bagwell bucket type
rantala/burstsort_sampling_brodnik                               burstsort sampling with vector_brodnik bucket type
rantala/burstsort_sampling_superalphabet_bagwell                 burstsort sampling superalphabet with vector_bagwell bucket type
rantala/burstsort_sampling_superalphabet_brodnik                 burstsort sampling superalphabet with vector_brodnik bucket type
rantala/burstsort_sampling_superalphabet_vector                  burstsort sampling superalphabet with std::vector bucket type
rantala/burstsort_sampling_superalphabet_vector_block            burstsort sampling superalphabet with vector_block bucket type
rantala/burstsort_sampling_vector                                burstsort sampling with std::vector bucket type
rantala/burstsort_sampling_vector_block                          burstsort sampling with vector_block bucket type
rantala/burstsort_superalphabet_bagwell                          burstsort superalphabet with vector_bagwell bucket type
rantala/burstsort_superalphabet_brodnik                          burstsort superalphabet with vector_brodnik bucket type
rantala/burstsort_superalphabet_vector                           burstsort superalphabet with std::vector bucket type
rantala/burstsort_superalphabet_vector_block                     burstsort superalphabet with vector_block bucket type
rantala/burstsort_vector                                         burstsort with std::vector bucket type
rantala/burstsort_vector_block                                   burstsort with vector_block bucket type
rantala/funnelsort_128way_bfs                                    funnelsort 128way bfs
rantala/funnelsort_128way_dfs                                    funnelsort 128way dfs
rantala/funnelsort_16way_bfs                                     funnelsort 16way bfs
rantala/funnelsort_16way_dfs                                     funnelsort 16way dfs
rantala/funnelsort_32way_bfs                                     funnelsort 32way bfs
rantala/funnelsort_32way_dfs                                     funnelsort 32way dfs
rantala/funnelsort_64way_bfs                                     funnelsort 64way bfs
rantala/funnelsort_64way_dfs                                     funnelsort 64way dfs
rantala/funnelsort_8way_bfs                                      funnelsort 8way bfs
rantala/funnelsort_8way_dfs                                      funnelsort 8way dfs
rantala/mergesort_2way                                           mergesort with 2way merger
rantala/mergesort_2way_parallel                                  mergesort_parallel with 2way merger
rantala/mergesort_2way_unstable                                  mergesort 2way unstable
rantala/mergesort_3way                                           mergesort with 3way merger
rantala/mergesort_3way_parallel                                  mergesort_parallel with 3way merger
rantala/mergesort_3way_unstable                                  mergesort 3way unstable
rantala/mergesort_4way                                           mergesort with 4way merger
rantala/mergesort_4way_parallel                                  mergesort_parallel with 4way merger
rantala/mergesort_4way_unstable                                  mergesort 4way unstable
rantala/mergesort_cache1_lcp_2way                                mergesort LCP with 2way merger and 1byte cache
rantala/mergesort_cache1_lcp_2way_parallel                       mergesort_parallel LCP with 2way merger and 1byte cache
rantala/mergesort_cache2_lcp_2way                                mergesort LCP with 2way merger and 2byte cache
rantala/mergesort_cache2_lcp_2way_parallel                       mergesort_parallel LCP with 2way merger and 2byte cache
rantala/mergesort_cache4_lcp_2way                                mergesort LCP with 2way merger and 4byte cache
rantala/mergesort_cache4_lcp_2way_parallel                       mergesort_parallel LCP with 2way merger and 4byte cache
rantala/mergesort_lcp_2way                                       mergesort LCP with 2way merger
rantala/mergesort_lcp_2way_parallel                              mergesort_parallel LCP with 2way merger
rantala/mergesort_lcp_2way_unstable                              mergesort Unstable LCP with 2way merger
rantala/mergesort_lcp_2way_unstable_parallel                     mergesort_parallel unstable LCP with 2way merger
rantala/mergesort_losertree_1024way                              mergesort 1024way loser tree based
rantala/mergesort_losertree_1024way_parallel                     mergesort parallel 1024way loser tree based
rantala/mergesort_losertree_128way                               mergesort 128way loser tree based
rantala/mergesort_losertree_128way_parallel                      mergesort parallel 128way loser tree based
rantala/mergesort_losertree_256way                               mergesort 256way loser tree based
rantala/mergesort_losertree_256way_parallel                      mergesort parallel 256way loser tree based
rantala/mergesort_losertree_512way                               mergesort 512way loser tree based
rantala/mergesort_losertree_512way_parallel                      mergesort parallel 512way loser tree based
rantala/mergesort_losertree_64way                                mergesort 64way loser tree based
rantala/mergesort_losertree_64way_parallel                       mergesort parallel 64way loser tree based
rantala/msd_A                                                    msd_A
rantala/msd_A2                                                   msd_A2
rantala/msd_A2_adaptive                                          msd_A2_adaptive
rantala/msd_A_adaptive                                           msd_A_adaptive
rantala/msd_CE0                                                  msd_CE0: baseline
rantala/msd_CE1                                                  msd_CE1: oracle
rantala/msd_CE2                                                  msd_CE2: oracle+loop fission
rantala/msd_CE3                                                  msd_CE3: oracle+loop fission+adaptive
rantala/msd_CE4                                                  msd_CE4: oracle+loop fission+adaptive+16bit counter
rantala/msd_CE5                                                  msd_CE5: oracle+loop fission+adaptive+16bit counter+prealloc
rantala/msd_CE6                                                  msd_CE6: oracle+loop fission+adaptive+16bit counter+prealloc+unroll
rantala/msd_CE7                                                  msd_CE7: oracle+loop fission+adaptive+16bit counter+prealloc+unroll+sortedness
rantala/msd_CI                                                   msd_CI
rantala/msd_CI_adaptive                                          msd_CI: adaptive
rantala/msd_DB                                                   msd_DB
rantala/msd_D_std_deque                                          msd_D_std_deque
rantala/msd_D_std_deque_adaptive                                 msd_D_std_deque_adaptive
rantala/msd_D_std_list                                           msd_D_std_list
rantala/msd_D_std_list_adaptive                                  msd_D_std_list_adaptive
rantala/msd_D_std_vector                                         msd_D_std_vector
rantala/msd_D_std_vector_adaptive                                msd_D_std_vector_adaptive
rantala/msd_D_vector_bagwell                                     msd_D_vector_bagwell
rantala/msd_D_vector_bagwell_adaptive                            msd_D_vector_bagwell_adaptive
rantala/msd_D_vector_block                                       msd_D_vector_block
rantala/msd_D_vector_block_adaptive                              msd_D_vector_block_adaptive
rantala/msd_D_vector_brodnik                                     msd_D_vector_brodnik
rantala/msd_D_vector_brodnik_adaptive                            msd_D_vector_brodnik_adaptive
rantala/msd_D_vector_malloc                                      msd_D_vector_malloc
rantala/msd_D_vector_malloc_adaptive                             msd_D_vector_malloc_adaptive
rantala/msd_D_vector_malloc_counter_clear                        msd_D_vector_malloc_counter_clear
rantala/msd_D_vector_malloc_counter_clear_adaptive               msd_D_vector_malloc_counter_clear_adaptive
rantala/msd_D_vector_realloc                                     msd_D_vector_realloc
rantala/msd_D_vector_realloc_adaptive                            msd_D_vector_realloc_adaptive
rantala/msd_D_vector_realloc_counter_clear                       msd_D_vector_realloc_counter_clear
rantala/msd_D_vector_realloc_counter_clear_adaptive              msd_D_vector_realloc_counter_clear_adaptive
rantala/msd_D_vector_realloc_shrink_clear                        msd_D_vector_realloc_shrink_clear
rantala/msd_D_vector_realloc_shrink_clear_adaptive               msd_D_vector_realloc_shrink_clear_adaptive
rantala/multikey_block1                                          multikey_block with 1byte alphabet
rantala/multikey_block2                                          multikey_block with 2byte alphabet
rantala/multikey_block4                                          multikey_block with 4byte alphabet
rantala/multikey_cache4                                          multikey_cache with 4byte cache
rantala/multikey_cache8                                          multikey_cache with 8byte cache
rantala/multikey_dynamic_bagwell1                                multikey_dynamic with vector_bagwell bucket type and 1byte alphabet
rantala/multikey_dynamic_bagwell2                                multikey_dynamic with vector_bagwell bucket type and 2byte alphabet
rantala/multikey_dynamic_bagwell4                                multikey_dynamic with vector_bagwell bucket type and 4byte alphabet
rantala/multikey_dynamic_brodnik1                                multikey_dynamic with vector_brodnik bucket type and 1byte alphabet
rantala/multikey_dynamic_brodnik2                                multikey_dynamic with vector_brodnik bucket type and 2byte alphabet
rantala/multikey_dynamic_brodnik4                                multikey_dynamic with vector_brodnik bucket type and 4byte alphabet
rantala/multikey_dynamic_vector1                                 multikey_dynamic with std::vector bucket type and 1byte alphabet
rantala/multikey_dynamic_vector2                                 multikey_dynamic with std::vector bucket type and 2byte alphabet
rantala/multikey_dynamic_vector4                                 multikey_dynamic with std::vector bucket type and 4byte alphabet
rantala/multikey_dynamic_vector_block1                           multikey_dynamic with vector_block bucket type and 1byte alphabet
rantala/multikey_dynamic_vector_block2                           multikey_dynamic with vector_block bucket type and 2byte alphabet
rantala/multikey_dynamic_vector_block4                           multikey_dynamic with vector_block bucket type and 4byte alphabet
rantala/multikey_multipivot_brute_simd1                          multikey_multipivot brute_simd with 1byte alphabet
rantala/multikey_multipivot_brute_simd2                          multikey_multipivot brute_simd with 2byte alphabet
rantala/multikey_multipivot_brute_simd4                          multikey_multipivot brute_simd with 4byte alphabet
rantala/multikey_simd1                                           multikey_simd with 1byte alphabet
rantala/multikey_simd2                                           multikey_simd with 2byte alphabet
rantala/multikey_simd4                                           multikey_simd with 4byte alphabet
rantala/multikey_simd_parallel1                                  multikey_simd_parallel with 1byte alphabet
rantala/multikey_simd_parallel2                                  multikey_simd_parallel with 2byte alphabet
rantala/multikey_simd_parallel4                                  multikey_simd_parallel with 4byte alphabet
shamsundar/lcp-merge-string-sort                                 Parallelized LCP Merge sort by N. Shamsundar
sinha/CPL_burstsort                                              Original CPL-burstsort
sinha/CP_burstsort                                               Original CP-burstsort
sinha/C_burstsort                                                Original C-burstsort
sinha/burstsortA                                                 burstsortA Original Burstsort with arrays
sinha/burstsortL                                                 burstsortL Original Burstsort with linked-lists
sinha/fbCPL_burstsort                                            Original fbCPL-burstsort
sinha/fbCP_burstsort                                             Original fbCP-burstsort
sinha/fbC_burstsort                                              Original fbC-burstsort
sinha/sCPL_burstsort                                             Original sCPL-burstsort
sinha/sCP_burstsort                                              Original sCP-burstsort
sinha/sC_burstsort                                               Original sC-burstsort
```

parallel-string-sorting

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