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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
This commit is contained in:
SChernykh
2021-05-20 12:45:42 +02:00
parent 7f7b1fb073
commit ff82ca57f2
10 changed files with 16 additions and 69 deletions
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17
src/crypto/randomx/asm/program_read_dataset_ryzen.inc
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@@ -1,17 +0,0 @@
mov rcx, rbp ;# ecx = ma
shr rcx, 32
and ecx, RANDOMX_DATASET_BASE_MASK
xor r8, qword ptr [rdi+rcx]
xor rbp, rax ;# modify "mx"
mov edx, ebp ;# edx = mx
and edx, RANDOMX_DATASET_BASE_MASK
prefetchnta byte ptr [rdi+rdx]
ror rbp, 32 ;# swap "ma" and "mx"
xor r9, qword ptr [rdi+rcx+8]
xor r10, qword ptr [rdi+rcx+16]
xor r11, qword ptr [rdi+rcx+24]
xor r12, qword ptr [rdi+rcx+32]
xor r13, qword ptr [rdi+rcx+40]
xor r14, qword ptr [rdi+rcx+48]
xor r15, qword ptr [rdi+rcx+56]