int GradientCheckConn::calc_dW() {
assert(plasticityFlag);
int status;
//for(int arborId=0;arborId<numberOfAxonalArborLists();arborId++) {
// status = initialize_dW(arborId);
// if (status==PV_BREAK) { break; }
// assert(status == PV_SUCCESS);
//}
for(int arborId=0;arborId<numberOfAxonalArborLists();arborId++) {
status = update_dW(arborId);
if (status==PV_BREAK) { break; }
assert(status == PV_SUCCESS);
}
for(int arborId=0;arborId<numberOfAxonalArborLists();arborId++) {
status = reduce_dW(arborId);
if (status==PV_BREAK) { break; }
assert(status == PV_SUCCESS);
}
for(int arborId=0;arborId<numberOfAxonalArborLists();arborId++) {
status = normalize_dW(arborId);
if (status==PV_BREAK) { break; }
assert(status == PV_SUCCESS);
}
return PV_SUCCESS;
}
int MomentumConn::calc_dW() {
assert(plasticityFlag);
int status;
if(timeBatchIdx >= timeBatchPeriod){
timeBatchIdx = 0;
}
else{
timeBatchIdx++;
}
//Clear at time 0, update at time timeBatchPeriod - 1
bool need_update_w = false;
bool need_clear_dw = false;
if(timeBatchIdx == 0){
need_clear_dw = true;
}
if(timeBatchIdx == timeBatchPeriod - 1){
need_update_w = true;
}
for(int arborId=0;arborId<numberOfAxonalArborLists();arborId++) {
//Clear every batch period
if(need_clear_dw){
status = initialize_dW(arborId);
if (status==PV_BREAK) { break; }
assert(status == PV_SUCCESS);
}
}
for(int arborId=0;arborId<numberOfAxonalArborLists();arborId++) {
//Sum up parts every timestep
status = update_dW(arborId);
if (status==PV_BREAK) { break; }
assert(status == PV_SUCCESS);
}
for(int arborId=0;arborId<numberOfAxonalArborLists();arborId++) {
//Reduce only when we need to update
if(need_update_w){
status = reduce_dW(arborId);
if (status==PV_BREAK) { break; }
assert(status == PV_SUCCESS);
}
}
for(int arborId=0;arborId<numberOfAxonalArborLists();arborId++) {
//Normalize only when reduced
if(need_update_w){
status = normalize_dW(arborId);
if (status==PV_BREAK) { break; }
assert(status == PV_SUCCESS);
}
}
return PV_SUCCESS;
}