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Update README: objectsort is now accelerated on AVX2 #150

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May 13, 2024
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Update README: objectsort is now accelerated on AVX2 #150

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12 changes: 5 additions & 7 deletions README.md
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Expand Up @@ -159,13 +159,11 @@ different metrics:

The performance data (shown in the plot below) can be collected by building the
benchmarks suite and running `./builddir/benchexe --benchmark_filter==*obj*`.
The data plot shown below was collected on a processor with AVX-512 because
`object_qsort` is currently accelerated only on AVX-512 (we plan to add the
AVX2 version soon). For the simplest of cases where we want to sort an array of
struct by one of its members, `object_qsort` can be up-to 5x faster for 32-bit
data type and about 4x for 64-bit data type. It tends to do even better when
the metric to sort by gets more complicated. Sorting by Euclidean distance can
be up-to 10x faster.
The data plot shown below was collected on a processor with AVX-512. For the
simplest of cases where we want to sort an array of struct by one of its
members, `object_qsort` can be up-to 5x faster for 32-bit data type and about
4x for 64-bit data type. It tends to do even better when the metric to sort by
gets more complicated. Sorting by Euclidean distance can be up-to 10x faster.

![alt text](./misc/object_qsort-perf.jpg?raw=true)

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