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homm committed Jul 2, 2016
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Expand Up @@ -36,7 +36,7 @@ Pillow-SIMD can be used in production. Pillow-SIMD operates on
Uploadcare is SAAS for image storing and processing in the cloud
and the main sponsor of Pillow-SIMD project.

Cuurently, following methods are accelerated:
Currently, following methods are accelerated:

- Resize (convolustion-based resample): SSE4, AVX2
- Gaussian and box blur: SSE4
Expand Down Expand Up @@ -82,7 +82,7 @@ Source | Operation | Filter | IM | Pillow | SIMD SSE4 | SIMD

### Some conclusion

Pillow is always faster than ImageMagick. And Pillow-SIMD is always faster
Pillow is always faster than ImageMagick. And Pillow-SIMD is faster
than Pillow in 2—2.5 time. In general Pillow-SIMD with AVX2 almost always
**10 times faster** than ImageMagick.

Expand All @@ -93,7 +93,7 @@ Intel Core i5 4258U with AVX2 CPU on single thread.

ImageMagick performance measured with command-line tool `convert` with
`-verbose` and `-bench` arguments. I'm using command line because
I needed to test latest version and this is to easist way to do that.
I need to test latest version and this is the easist way to do that.
All operations are producing exactly the same result.
Resizing filters compliance:

Expand Down Expand Up @@ -122,8 +122,8 @@ benchmakrs. And result is

## Why not to contribute SIMD to the original Pillow

Well, this is not so simple. First of all, Pillow support large number
of architectures, not only x86. But even for x86 platforms Pillow orfen
Well, this is not so simple. First of all, Pillow supports large number
of architectures, not only x86. But even for x86 platforms Pillow often
distributed via precompiled binaries. To integrate SIMD in precompiled binaries
we need to do runtime checks of CPU capabilites.
To compile code with runtime checks we need to pass `-mavx2` option
Expand Down Expand Up @@ -152,7 +152,7 @@ $ CC="cc -mavx2" pip install -U --force-reinstall pillow-simd

## Contributing to Pillow-SIMD

**Important.** Pillow-SIMD and Pillow are two separate projects.
Pillow-SIMD and Pillow are two separate projects.
Please submit bugs and improvements not related to SIMD to
[original Pillow][original-issues]. All bugs and fixes in Pillow
will appear in next Pillow-SIMD version automatically.
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