void inline Fill3T(void *b, dword data, int len){
	switch(len){
		case 3: ((dword *)b)[2] = data;
		case 2: ((dword *)b)[1] = data;
		case 1: ((dword *)b)[0] = data;
		case 0: return;
	}
	__m128i q = _mm_set1_epi32(*(int*)&data);
	__m128i *w = (__m128i*)b;
	
	if(len >= 32) {
		__m128i *e = (__m128i*)b + (len>>2) - 8;
		if(len > 1024*1024 / 16 && ((uintptr_t)w & 3) == 0) { // for really huge data, bypass the cache
			_mm_storeu_si128(w, q); // Head align
			int s=(-((int)((uintptr_t)b)>>2))&0x3;
			w = (__m128i*) ((dword*)b) + s;
			do {
				_mm_stream_si128(w++, q);
				_mm_stream_si128(w++, q);
				_mm_stream_si128(w++, q);
				_mm_stream_si128(w++, q);
				_mm_stream_si128(w++, q);
				_mm_stream_si128(w++, q);
				_mm_stream_si128(w++, q);
				_mm_stream_si128(w++, q);
			}while(w<=e);
			_mm_sfence();
		}
		else
			do {
				_mm_storeu_si128(w++, q);
				_mm_storeu_si128(w++, q);
				_mm_storeu_si128(w++, q);
				_mm_storeu_si128(w++, q);
				_mm_storeu_si128(w++, q);
				_mm_storeu_si128(w++, q);
				_mm_storeu_si128(w++, q);
				_mm_storeu_si128(w++, q);
			}while(w<=e);
	}
	
	if(len & 16) {
		_mm_storeu_si128(w++, q);
		_mm_storeu_si128(w++, q);
		_mm_storeu_si128(w++, q);
		_mm_storeu_si128(w++, q);
	}
	if(len & 8) {
		_mm_storeu_si128(w++, q);
		_mm_storeu_si128(w++, q);
	}
	if(len & 4) {
		_mm_storeu_si128(w, q);
	}
	_mm_storeu_si128((__m128i*) (((dword*)b) + len - 4), q); // Tail align
}