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refactor: Zero-Lag MTF Fast-Path & Fused Memory

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Toh4iem9
2026-09-28 17:33:20 +02:00
parent f457e30e31
commit d887b8bee9
1 changed files with 76 additions and 79 deletions
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Indicators/MyIndicators/DMIStochastic_Pro.mq5
+76 -79
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@@ -2,8 +2,8 @@
//| DMIStochastic_Pro.mq5 |
//| Copyright 2026, xxxxxxxx|
//+------------------------------------------------------------------+
#property copyright "Copyright 2026, xxxxxxxx"
#property version "3.00" // Unified Native & MTF Release with Dynamic Levels
#property copyright "Copyright 2026, xxxxxxxx"
#property version "3.10" // Enterprise Refactor: Zero-Lag MTF Fast-Path & Fused Memory
#property description "Barbara Star's DMI Stochastic Oscillator with Native & MTF Support."
#property description "Combines Directional Movement with Stochastic normalization for trend-momentum filtering."
@@ -80,12 +80,12 @@ datetime h_time[];
//--- Global Objects & State Management
CDMIStochasticCalculator *g_calculator = NULL;
bool g_is_mtf_mode = false;
bool g_is_mtf_mode = false;
ENUM_TIMEFRAMES g_calc_timeframe;
bool g_data_ready = false;
bool g_data_synced = false;
int g_htf_count = 0;
datetime g_last_htf_time = 0;
bool g_data_ready = false;
bool g_data_synced = false;
int g_htf_count = 0;
datetime g_last_htf_time = 0;
//+------------------------------------------------------------------+
//| Custom Indicator Initialization |
@@ -164,8 +164,8 @@ int OnInit()
return INIT_FAILED;
}
string ha_tag = (InpCandleSource == CANDLE_HEIKIN_ASHI) ? " HA" : "";
string tf_str = g_is_mtf_mode ? (" [" + EnumToString(g_calc_timeframe) + "]") : "";
string ha_tag = (InpCandleSource == CANDLE_HEIKIN_ASHI) ? " HA" : "";
string tf_str = g_is_mtf_mode ? (" [" + EnumToString(g_calc_timeframe) + "]") : "";
string short_name = StringFormat("DMI Stoch%s%s(%d,%d,%d,%d)",
ha_tag, tf_str,
InpDMIPeriod, InpFastKPeriod, InpSlowKPeriod, InpSmoothPeriod);
@@ -208,7 +208,7 @@ int OnCalculate(const int rates_total,
const int &spread[])
{
int warmup = InpDMIPeriod + InpFastKPeriod + InpSlowKPeriod + InpSmoothPeriod;
if(rates_total < warmup || CheckPointer(g_calculator) == POINTER_INVALID)
if(rates_total < warmup || g_calculator == NULL)
return 0;
// Force chronological indexing
@@ -235,7 +235,7 @@ int OnCalculate(const int rates_total,
}
//===================================================================
// MODE 2: Multi-Timeframe Engine (Warp-free Step Synchronization)
// MODE 2: Multi-Timeframe Engine (High-Performance Fast-Path)
//===================================================================
int required_bars = warmup + 10;
if(!CDataSync::EnsureHTFDataReady(_Symbol, g_calc_timeframe, required_bars))
@@ -249,6 +249,7 @@ int OnCalculate(const int rates_total,
datetime htf_time_current = iTime(_Symbol, g_calc_timeframe, 0);
bool htf_updated = (htf_time_current != g_last_htf_time);
// A) HTF Bar Closure: Full History Pass once
if(htf_updated || prev_calculated == 0)
{
g_last_htf_time = htf_time_current;
@@ -260,7 +261,7 @@ int OnCalculate(const int rates_total,
return 0;
}
g_htf_count = MathMin(htf_bars, 3000);
g_htf_count = MathMin(htf_bars, 3000); // Memory safeguard
// Resize all HTF caching arrays
ArrayResize(h_time, g_htf_count);
@@ -307,73 +308,25 @@ int OnCalculate(const int rates_total,
g_calculator.Calculate(g_htf_count, 0, h_open, h_high, h_low, h_close, h_tick_vol, h_res_k, h_res_d);
g_data_ready = true;
}
if(!g_data_ready)
return 0;
// 5. Stateful live-bar update for active forming HTF candle
int live_idx = g_htf_count - 1;
if(live_idx >= required_bars)
{
double o[1], h[1], l[1], c[1];
long tv[1], v[1];
int shift = iBarShift(_Symbol, g_calc_timeframe, htf_time_current, false);
if(shift >= 0 &&
CopyOpen(_Symbol, g_calc_timeframe, shift, 1, o) == 1 &&
CopyHigh(_Symbol, g_calc_timeframe, shift, 1, h) == 1 &&
CopyLow(_Symbol, g_calc_timeframe, shift, 1, l) == 1 &&
CopyClose(_Symbol, g_calc_timeframe, shift, 1, c) == 1 &&
CopyTickVolume(_Symbol, g_calc_timeframe, shift, 1, tv) == 1)
// Full Historical Projection to Chart Buffers (Only on new HTF candle)
for(int i = 0; i < rates_total; i++)
{
h_open[live_idx] = o[0];
h_high[live_idx] = h[0];
h_low[live_idx] = l[0];
h_close[live_idx] = c[0];
h_tick_vol[live_idx] = tv[0];
long vol_limit = (long)SymbolInfoDouble(_Symbol, SYMBOL_VOLUME_LIMIT);
if(vol_limit > 0 && CopyRealVolume(_Symbol, g_calc_timeframe, shift, 1, v) == 1)
h_vol[live_idx] = v[0];
else
h_vol[live_idx] = tv[0];
// Mock update on live HTF bar
if(vol_limit > 0)
g_calculator.Calculate(g_htf_count, g_htf_count, h_open, h_high, h_low, h_close, h_vol, h_res_k, h_res_d);
else
g_calculator.Calculate(g_htf_count, g_htf_count, h_open, h_high, h_low, h_close, h_tick_vol, h_res_k, h_res_d);
}
}
// 6. Forming LTF Block Flat-Force Anchor (The Staircase Solution)
int start = (prev_calculated > 0) ? prev_calculated - 1 : 0;
int first_bar_of_forming_htf = rates_total - 1;
while(first_bar_of_forming_htf > 0 &&
iBarShift(_Symbol, g_calc_timeframe, time[first_bar_of_forming_htf], false) == 0)
{
first_bar_of_forming_htf--;
}
first_bar_of_forming_htf++;
if(start > first_bar_of_forming_htf)
start = first_bar_of_forming_htf;
// 7. Chronological Mapping Loop to Chart Timeframe (2 Buffers)
for(int i = start; i < rates_total; i++)
{
datetime t = time[i];
int shift_htf = iBarShift(_Symbol, g_calc_timeframe, t, false);
if(shift_htf >= 0)
{
int idx_htf = g_htf_count - 1 - shift_htf;
if(idx_htf >= 0 && idx_htf < g_htf_count)
datetime t = time[i];
int shift_htf = iBarShift(_Symbol, g_calc_timeframe, t, false);
if(shift_htf >= 0)
{
BufferK[i] = h_res_k[idx_htf];
BufferD[i] = h_res_d[idx_htf];
int idx_htf = g_htf_count - 1 - shift_htf;
if(idx_htf >= 0 && idx_htf < g_htf_count)
{
BufferK[i] = h_res_k[idx_htf];
BufferD[i] = h_res_d[idx_htf];
}
else
{
BufferK[i] = EMPTY_VALUE;
BufferD[i] = EMPTY_VALUE;
}
}
else
{
@@ -381,13 +334,57 @@ int OnCalculate(const int rates_total,
BufferD[i] = EMPTY_VALUE;
}
}
else
return rates_total;
}
if(!g_data_ready)
return 0;
// B) LIVE TICK FAST-PATH: HTF bar did not close. Update strictly forming block!
int live_idx = g_htf_count - 1;
if(live_idx >= required_bars)
{
MqlRates htf_rate[1];
// Single atomic API call instead of 5 separate copies!
if(CopyRates(_Symbol, g_calc_timeframe, 0, 1, htf_rate) == 1)
{
BufferK[i] = EMPTY_VALUE;
BufferD[i] = EMPTY_VALUE;
h_time[live_idx] = htf_rate[0].time;
h_open[live_idx] = htf_rate[0].open;
h_high[live_idx] = htf_rate[0].high;
h_low[live_idx] = htf_rate[0].low;
h_close[live_idx] = htf_rate[0].close;
h_tick_vol[live_idx] = htf_rate[0].tick_volume;
h_vol[live_idx] = (htf_rate[0].real_volume > 0) ? htf_rate[0].real_volume : htf_rate[0].tick_volume;
// Mock update on live HTF bar
if(h_vol[live_idx] > 0 && SymbolInfoDouble(_Symbol, SYMBOL_VOLUME_LIMIT) > 0)
g_calculator.Calculate(g_htf_count, g_htf_count, h_open, h_high, h_low, h_close, h_vol, h_res_k, h_res_d);
else
g_calculator.Calculate(g_htf_count, g_htf_count, h_open, h_high, h_low, h_close, h_tick_vol, h_res_k, h_res_d);
}
}
// Instant Binary Search for Forming Block Start (Zero iBarShift API calls!)
int first_bar_of_forming_htf = ArrayBsearch(time, htf_time_current);
if(first_bar_of_forming_htf < 0)
first_bar_of_forming_htf = 0;
if(time[first_bar_of_forming_htf] < htf_time_current && first_bar_of_forming_htf < rates_total - 1)
first_bar_of_forming_htf++;
int start = (prev_calculated > 0) ? prev_calculated - 1 : 0;
if(start > first_bar_of_forming_htf)
start = first_bar_of_forming_htf;
// Direct Vectorized Assignment (Zero API calls, Nanosecond Execution)
double k_val = h_res_k[live_idx];
double d_val = h_res_d[live_idx];
for(int i = start; i < rates_total; i++)
{
BufferK[i] = k_val;
BufferD[i] = d_val;
}
return rates_total;
}