ARM vs x86

What software absolutely needs the x86 performance from the user and programmer  perspective? Why can't we switch to ARM even if it was ~4 times slower but much cheaper?

>>14

mine is faster, ````````````faggo''''''''''''


typedef enum {
  A,
  B,
  C,
  D,
  E,
  F } type_tag;

struct A {
  type_tag type;
  ...
};

struct B {
  type_tag type;
  ...
};

struct C {
  type_tag type;
  ...
};

struct D {
  type_tag type;
  ...
};

struct E {
  type_tag type;
  ...
};

struct F {
  type_tag type;
  ...
};






typedef void (*bin_op) (type_tag*, type_tag*, void*);

// not supported
void bin_op_ns(type_tag*, type_tag*, void* ) {
  assert(0);
}

static bin_op add_handlers[][] = {
// A        B         C         D          E          F
{  add_A_A, add_A_B, add_A_C , bin_op_ns, bin_op_ns, add_A_F}, // A
{  add_B_A, add_B_B, add_B_C , add_B_D,   bin_op_ns, bin_op_ns}, // B
{  add_C_A, add_C_B, add_C_C , bin_op_ns, bin_op_ns, bin_op_ns}, // C
{  bin_op_ns, add_D_B, bin_op_ns, add_D_D, bin_op_ns, bin_op_ns}, // D
{  bin_op_ns, bin_op_ns, bin_op_ns, bin_op_ns, add_E_E, add_E_F}, // E
{  add_F_A, bin_op_ns, bin_op_ns, bin_op_ns, add_F_E, add_F_F} }; // F

void add(type_tag* arg1, type_tag* arg2, void* ret ) {
  add_handlers[*arg1][*arg2](arg1, arg2, ret);
}