Commit Graph

6 Commits

Author SHA1 Message Date
SChernykh
9629001fe4 Update jit_compiler_x86_static.S 2019-12-09 20:30:37 +01:00
SChernykh
2ed2629653 Optimized dataset read for Ryzen CPUs
Removed register dependency in dataset read, +0.8% speedup on average.
2019-12-08 16:14:02 +01:00
SChernykh
5fffeed646 RandomX: optimized loading from scratchpad
Prefetches scratchpad data as soon as possible to calculate data address for the next load.

Up to ~1.4% speedup on Ryzen 7 3700X @ 4.1 GHz, RAM 3200 MHz 14-14-14-28 with optimized sub-timings:
Variant|Before H/S|After H/S
-------|----------|---------
rx/0|8663|8777
rx/wow|9867|10009
rx/loki|8652|8731
2019-09-11 19:10:01 +02:00
Matt Smith
8f4aa6871a Fix linker marking entire executable as executable stack
See: https://wiki.ubuntu.com/SecurityTeam/Roadmap/ExecutableStacks
See: https://wiki.gentoo.org/wiki/Hardened/GNU_stack_quickstart
2019-08-29 14:12:43 +01:00
SChernykh
2fb3b8b376 Fix Mac OS X compilation
Thanks to @cjdelisle
2019-07-31 10:01:32 +02:00
SChernykh
7d10b6b71f Integrated RandomX, added RandomXL (Loki) 2019-07-01 20:11:51 +02:00