I thought signature verification was the biggest limiting factor in IBD process (obviously with slow CPU).
On arm, which doesn't yet use the libsecp256k1 assembly optimizations by default-- perhaps. Otherwise, no, not since libsecp256k1 made signature validation many times faster. Maybe on some really unbalanced system with a slow single core cpu and huge dbcache and fast network and SSD it might be a majority.
Topic: secp256k1 library and Intel cpu - page 3. (Read 4029 times)
Signature verification isn't really the limiting factor in Bitcoin Core performance anymore in any case.
I thought signature verification was the biggest limiting factor in IBD process (obviously with slow CPU).
The content in your first link would likely not be helpful.
The content in your second link-- the would be beneficial, though potentially not by much because the dependency chain in the arithmetic is hand constructed to reduce conflicts. If someone would like to try them out, it shouldn't be very hard.
In the context of Bitcoin development (thus achows' response), Signature verification isn't really the limiting factor in Bitcoin Core performance anymore in any case.
The content in your second link-- the would be beneficial, though potentially not by much because the dependency chain in the arithmetic is hand constructed to reduce conflicts. If someone would like to try them out, it shouldn't be very hard.
In the context of Bitcoin development (thus achows' response), Signature verification isn't really the limiting factor in Bitcoin Core performance anymore in any case.
Probably not.
Does secp256k1 library exploit the new instructions on Intel cpu for large integer arithmetic?
https://software.intel.com/en-us/blogs/2014/06/11/optimizing-big-data-processing-with-haswell-256-bit-integer-simd-instructions
http://www.intel.com/content/dam/www/public/us/en/documents/white-papers/ia-large-integer-arithmetic-paper.pdf
https://software.intel.com/en-us/blogs/2014/06/11/optimizing-big-data-processing-with-haswell-256-bit-integer-simd-instructions
http://www.intel.com/content/dam/www/public/us/en/documents/white-papers/ia-large-integer-arithmetic-paper.pdf
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