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Instruction statistics

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This commit is contained in:
tevador 2018-12-20 22:42:47 +01:00
parent 1db7dd6e8b
commit ffa67295c4
2 changed files with 70 additions and 2 deletions
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33
src/InterpretedVirtualMachine.cpp
View file

@ -205,10 +205,17 @@ namespace RandomX {
} \
}
#ifdef STATS
#define INC_COUNT(x) count_##x++;
#else
#define INC_COUNT(x)
#endif
#define FPU_RETIRE_NB(x) x(a, b, c); \
if(trace) std::cout << std::hex << /*a.u64 << " " <<*/ c.u64 << std::endl;
#define ALU_INST(x) void InterpretedVirtualMachine::h_##x(Instruction& inst) { \
INC_COUNT(x) \
convertible_t a = loada(inst); \
convertible_t b = loadbr1(inst); \
convertible_t& c = getcr(inst); \
@ -216,6 +223,7 @@ namespace RandomX {
}
#define ALU_INST_SR(x) void InterpretedVirtualMachine::h_##x(Instruction& inst) { \
INC_COUNT(x) \
convertible_t a = loada(inst); \
convertible_t b = loadbr0(inst); \
convertible_t& c = getcr(inst); \
@ -223,6 +231,7 @@ namespace RandomX {
}
#define FPU_INST(x) void InterpretedVirtualMachine::h_##x(Instruction& inst) { \
INC_COUNT(x) \
convertible_t a = loada(inst); \
double b = loadbf(inst); \
convertible_t& c = getcf(inst); \
@ -230,6 +239,7 @@ namespace RandomX {
}
#define FPU_INST_NB(x) void InterpretedVirtualMachine::h_##x(Instruction& inst) { \
INC_COUNT(x) \
convertible_t a = loada(inst); \
convertible_t b; \
convertible_t& c = getcf(inst); \
@ -271,8 +281,13 @@ namespace RandomX {
void InterpretedVirtualMachine::h_CALL(Instruction& inst) {
convertible_t a = loada(inst);
convertible_t b = loadbr1(inst);
convertible_t& c = getcr(inst);
if (b.u32 <= (uint32_t)inst.imm32) {
#ifdef STATS
if ((inst.locb & 7) <= 5)
count_CALL_taken++;
else
count_CALL_uncond++;
#endif
stackPush(a);
stackPush(pc);
pc += (inst.imm8 & 127) + 1;
@ -280,6 +295,10 @@ namespace RandomX {
if (trace) std::cout << std::hex << a.u64 << std::endl;
}
else {
convertible_t& c = getcr(inst);
#ifdef STATS
count_CALL_not_taken++;
#endif
c.u64 = a.u64;
if (trace) std::cout << std::hex << /*a.u64 << " " <<*/ c.u64 << std::endl;
}
@ -290,12 +309,24 @@ namespace RandomX {
convertible_t b = loadbr1(inst);
convertible_t& c = getcr(inst);
if (stack.size() > 0 && b.u32 <= (uint32_t)inst.imm32) {
#ifdef STATS
if ((inst.locb & 7) <= 5)
count_RET_taken++;
else
count_RET_uncond++;
#endif
auto raddr = stackPopAddress();
auto retval = stackPopValue();
c.u64 = a.u64 ^ retval.u64;
pc = raddr;
}
else {
#ifdef STATS
if (stack.size() == 0)
count_RET_stack_empty++;
else
count_RET_not_taken++;
#endif
c.u64 = a.u64;
}
if (trace) std::cout << std::hex << /*a.u64 << " " <<*/ c.u64 << std::endl;

39
src/InterpretedVirtualMachine.hpp
View file

@ -18,7 +18,7 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
*/
#pragma once
//#define STATS
#include "VirtualMachine.hpp"
#include "Program.hpp"
#include <vector>
@ -42,6 +42,43 @@ namespace RandomX {
Program p;
std::vector<convertible_t> stack;
uint64_t pc, ic;
#ifdef STATS
int count_ADD_64;
int count_ADD_32;
int count_SUB_64;
int count_SUB_32;
int count_MUL_64;
int count_MULH_64;
int count_MUL_32;
int count_IMUL_32;
int count_IMULH_64;
int count_DIV_64;
int count_IDIV_64;
int count_AND_64;
int count_AND_32;
int count_OR_64;
int count_OR_32;
int count_XOR_64;
int count_XOR_32;
int count_SHL_64;
int count_SHR_64;
int count_SAR_64;
int count_ROL_64;
int count_ROR_64;
int count_FPADD;
int count_FPSUB;
int count_FPMUL;
int count_FPDIV;
int count_FPSQRT;
int count_FPROUND;
int count_CALL_uncond;
int count_CALL_taken;
int count_CALL_not_taken;
int count_RET_stack_empty;
int count_RET_uncond;
int count_RET_taken;
int count_RET_not_taken;
#endif
convertible_t loada(Instruction&);
convertible_t loadbr0(Instruction&);