SChernykh
e186f85d1c
RandomX: fix broken light mode mining
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It broke after #2395
2021-05-22 13:49:22 +02:00
SChernykh
5898413858
RandomX: rewrote dataset read code
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Unified code for AMD and Intel
1% faster on Intel
0.15% faster on AMD Ryzen
2021-05-20 12:45:42 +02:00
SChernykh
ac1e88882c
Enabled IMUL_RCP optimization for light mode mining
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Better fix for #2377
2021-05-17 11:26:40 +02:00
SChernykh
dcbd0bf8c4
RandomX: optimized IMUL_RCP instruction
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+0.4% on AMD Zen2
+0.3% on AMD Zen3
+0.1% on Intel SandyBridge
+0.3% on rx/wow on Intel SandyBridge
2021-04-19 17:43:58 +02:00
SChernykh
7d92d57059
Another dataset AVX2 init speedup (+3.8% faster on Zen3)
2020-12-19 19:46:31 +01:00
SChernykh
aaf1ed1c99
Dataset initialization with AVX2 (WIP)
2020-12-18 14:53:54 +01:00
SChernykh
08d71d5144
RandomX: tweaked Ryzen code
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Very small speedup
2020-07-05 16:06:59 +02:00
SChernykh
e7c3bb7ba6
Crash fix for Bullodzer CPUs
2020-02-02 17:16:59 +01:00
SChernykh
209d7e3223
Optimized CFROUND
2020-01-22 20:11:00 +01:00
SChernykh
efdbda40f0
Optimizations for AMD Bulldozer
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- Added support for XOP instructions
- Enabled Ryzen code for Bulldozer because it's faster there too
2020-01-15 13:04:26 +01:00
SChernykh
716df54ac0
JIT compiler: removed unnecessary memcpy from generateProgram()
2020-01-13 18:00:41 +01:00
SChernykh
a1f223dcb0
Fix for 1st-gen Ryzen crashes
2019-12-27 12:40:38 +02:00
SChernykh
7e724aa70d
More optimizations for Ryzen
2019-12-09 20:29:05 +01:00
SChernykh
2ed2629653
Optimized dataset read for Ryzen CPUs
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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
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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
SChernykh
fffe3c2e10
RandomX optimizations
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- Optimized soft AES code, up to +30% hashrate on CPU without AES support
- Added prefetch for the first dataset access, up to +0.1% hashrate
2019-09-04 19:24:12 +02:00
SChernykh
7d10b6b71f
Integrated RandomX, added RandomXL (Loki)
2019-07-01 20:11:51 +02:00
