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Home » Developing U++ » U++ Developers corner » SSE2 and SVO optimization (Painter, memcpy....)
Re: BufferPainter::Clear() optimization [message #54056 is a reply to message #54049] Tue, 26 May 2020 13:14 Go to previous messageGo to previous message
Tom1
Messages: 1303
Registered: March 2007
Ultimate Contributor
Hi!

Sorry for the delay... I was out of town for a while.

Here are my results for Windows 10 pro x64 on Core i7:

MSBT19x64:

TIMING SSE            : 37.08 ms - 37.08 ns (50.00 ms / 1000000 ), min:  0.00 ns, max:  1.00 ms, nesting: 0 - 1000000
TIMING Non SSE        : 129.08 ms - 129.08 ns (142.00 ms / 1000000 ), min:  0.00 ns, max:  1.00 ms, nesting: 0 - 1000000

MSBT19:

TIMING SSE            : 29.88 ms - 29.88 ns (45.00 ms / 1000000 ), min:  0.00 ns, max:  1.00 ms, nesting: 0 - 1000000
TIMING Non SSE        : 125.88 ms - 125.88 ns (141.00 ms / 1000000 ), min:  0.00 ns, max:  1.00 ms, nesting: 0 - 1000000

CLANG:

TIMING SSE            : 37.41 ms - 37.41 ns (50.00 ms / 1000000 ), min:  0.00 ns, max:  2.00 ms, nesting: 0 - 1000000
TIMING Non SSE        : 125.41 ms - 125.41 ns (138.00 ms / 1000000 ), min:  0.00 ns, max:  1.00 ms, nesting: 0 - 1000000

CLANGx64:

TIMING SSE            : 37.43 ms - 37.43 ns (47.00 ms / 1000000 ), min:  0.00 ns, max:  1.00 ms, nesting: 0 - 1000000
TIMING Non SSE        : 129.43 ms - 129.43 ns (139.00 ms / 1000000 ), min:  0.00 ns, max:  1.00 ms, nesting: 0 - 1000000


Impressive numbers Mirek! When is this going to be available on BufferPainter?

Best regards,

Tom
 
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