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Scratchpad size increased to 1 MiB

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New AES-based scratchpad hashing function
This commit is contained in:
tevador
2019-01-18 23:51:18 +01:00
parent 93c324709b
commit 16db607025
12 changed files with 923 additions and 925 deletions
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95
src/AssemblyGeneratorX86.cpp
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@@ -73,11 +73,16 @@ namespace RandomX {
asmCode << "rx_body_" << i << ":" << std::endl;
if ((instr.loca & 192) == 0)
asmCode << "\txor " << regMx << ", rax" << std::endl;
if (instr.loca & 3) {
asmCode << "\tand eax, " << (ScratchpadL1 - 1) << std::endl;
if (instr.loca & 15) {
if (instr.loca & 3) {
asmCode << "\tand eax, " << (ScratchpadL1 - 1) << std::endl;
}
else {
asmCode << "\tand eax, " << (ScratchpadL2 - 1) << std::endl;
}
}
else {
asmCode << "\tand eax, " << (ScratchpadL2 - 1) << std::endl;
asmCode << "\tand eax, " << (ScratchpadL3 - 1) << std::endl;
}
}
@@ -123,40 +128,32 @@ namespace RandomX {
}
void AssemblyGeneratorX86::gencr(Instruction& instr, bool rax = true) {
switch (instr.locc & 7)
{
case 0:
if(rax)
asmCode << "\tmov rcx, rax" << std::endl;
asmCode << "\tmov eax, " << regR32[instr.regc % RegistersCount] << std::endl;
asmCode << "\txor eax, 0" << std::hex << instr.addrc << "h" << std::dec << std::endl;
asmCode << "\tand eax, " << (ScratchpadL2 - 1) << std::endl;
asmCode << "\tmov qword ptr [" << regScratchpadAddr << " + rax * 8], rcx" << std::endl;
if (trace) {
asmCode << "\tmov qword ptr [" << regScratchpadAddr << " + " << regIc << " * 8 + 262136], rcx" << std::endl;
}
return;
case 1:
case 2:
case 3:
if (rax)
asmCode << "\tmov rcx, rax" << std::endl;
asmCode << "\tmov eax, " << regR32[instr.regc % RegistersCount] << std::endl;
asmCode << "\txor eax, 0" << std::hex << instr.addrc << "h" << std::dec << std::endl;
asmCode << "\tand eax, " << (ScratchpadL1 - 1) << std::endl;
asmCode << "\tmov qword ptr [" << regScratchpadAddr << " + rax * 8], rcx" << std::endl;
if (trace) {
asmCode << "\tmov qword ptr [" << regScratchpadAddr << " + " << regIc << " * 8 + 262136], rcx" << std::endl;
}
return;
default:
if (instr.locc & 16) { //write to register
asmCode << "\tmov " << regR[instr.regc % RegistersCount] << ", " << (rax ? "rax" : "rcx") << std::endl;
if (trace) {
asmCode << "\tmov qword ptr [" << regScratchpadAddr << " + " << regIc << " * 8 + 262136], " << (rax ? "rax" : "rcx") << std::endl;
}
return;
}
else { //write to scratchpad
if (rax)
asmCode << "\tmov rcx, rax" << std::endl;
asmCode << "\tmov eax, " << regR32[instr.regc % RegistersCount] << std::endl;
asmCode << "\txor eax, 0" << std::hex << instr.addrc << "h" << std::dec << std::endl;
if (instr.locc & 15) {
if (instr.locc & 3) {
asmCode << "\tand eax, " << (ScratchpadL1 - 1) << std::endl;
}
else {
asmCode << "\tand eax, " << (ScratchpadL2 - 1) << std::endl;
}
}
else {
asmCode << "\tand eax, " << (ScratchpadL3 - 1) << std::endl;
}
asmCode << "\tmov qword ptr [" << regScratchpadAddr << " + rax * 8], rcx" << std::endl;
if (trace) {
asmCode << "\tmov qword ptr [" << regScratchpadAddr << " + " << regIc << " * 8 + 262136], rcx" << std::endl;
}
}
}
@@ -164,23 +161,21 @@ namespace RandomX {
if(move)
asmCode << "\tmovaps " << regF[instr.regc % RegistersCount] << ", xmm0" << std::endl;
const char* store = (instr.locc & 128) ? "movhpd" : "movlpd";
switch (instr.locc & 7)
{
case 4:
asmCode << "\tmov eax, " << regR32[instr.regc % RegistersCount] << std::endl;
asmCode << "\txor eax, 0" << std::hex << instr.addrc << "h" << std::dec << std::endl;
asmCode << "\tand eax, " << (ScratchpadL2 - 1) << std::endl;
asmCode << "\t" << store << " qword ptr [" << regScratchpadAddr << " + rax * 8], " << regF[instr.regc % RegistersCount] << std::endl;
break;
case 5:
case 6:
case 7:
asmCode << "\tmov eax, " << regR32[instr.regc % RegistersCount] << std::endl;
asmCode << "\txor eax, 0" << std::hex << instr.addrc << "h" << std::dec << std::endl;
asmCode << "\tand eax, " << (ScratchpadL1 - 1) << std::endl;
asmCode << "\t" << store << " qword ptr [" << regScratchpadAddr << " + rax * 8], " << regF[instr.regc % RegistersCount] << std::endl;
break;
if (instr.locc & 16) { //write to scratchpad
asmCode << "\tmov eax, " << regR32[instr.regc % RegistersCount] << std::endl;
asmCode << "\txor eax, 0" << std::hex << instr.addrc << "h" << std::dec << std::endl;
if (instr.locc & 15) {
if (instr.locc & 3) {
asmCode << "\tand eax, " << (ScratchpadL1 - 1) << std::endl;
}
else {
asmCode << "\tand eax, " << (ScratchpadL2 - 1) << std::endl;
}
}
else {
asmCode << "\tand eax, " << (ScratchpadL3 - 1) << std::endl;
}
asmCode << "\t" << store << " qword ptr [" << regScratchpadAddr << " + rax * 8], " << regF[instr.regc % RegistersCount] << std::endl;
}
if (trace) {
asmCode << "\t" << store << " qword ptr [" << regScratchpadAddr << " + " << regIc << " * 8 + 262136], " << regF[instr.regc % RegistersCount] << std::endl;