Optional noisy simulation

unitaryfund · Jul 12, 2024 · a25da8d · a25da8d
1 parent 77b5690
commit a25da8d
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Showing 5 changed files with 15 additions and 4 deletions.
diff --git a/Makefile b/Makefile
@@ -24,7 +24,7 @@ help:
 build-deps:
 ifneq ($(OS),Windows_NT)
 ifeq ($(QRACK_PRESENT),)
-	git clone https://github.com/unitaryfund/qrack.git; cd qrack; git checkout 5e3f038c2c14dc393e70498f9cdb1f07d7a81f57; cd ..
+	git clone https://github.com/unitaryfund/qrack.git; cd qrack; git checkout f9a5941e9b05eab3d7829ba29cc1a3161b9fcde9; cd ..
 endif
 	mkdir -p qrack/build
 ifeq ($(UNAME_S),Linux)

diff --git a/doc/devices/simulator.rst b/doc/devices/simulator.rst
@@ -73,7 +73,10 @@ This is a complete list of boolean options and their meanings:
     |                           |             |                                                                                    |
     +---------------------------+-------------+------------------------------------------------------------------------------------+
     | `isHostPointer`           | False       | Allocate GPU buffer from general host heap?                                        |
-    |                           |             | (Might improve performance or reliability, like when accelerating on an Intel HD.) |
+    |                           |             | (Might improve performance or reliability, like when accelerating on an Intel HD)  |
+    +---------------------------+-------------+------------------------------------------------------------------------------------+
+    | `isNoisy`                 | False       | Use noisy simulation?                                                              |
+    |                           |             | (Noise intensity controlled by "QRACK_GATE_DEPOLARIZATION" environment variable)   |
     +---------------------------+-------------+------------------------------------------------------------------------------------+
 
 

diff --git a/pennylane_qrack/QrackDeviceConfig.toml b/pennylane_qrack/QrackDeviceConfig.toml
@@ -145,6 +145,8 @@ is_qbdd = "isBinaryDecisionTree"
 is_gpu = "isOpenCL"
 # Allocate GPU buffer from general host heap? (Default is "false"; "true" might improve performance or reliability in certain cases, like if using an Intel HD as accelerator)
 is_host_pointer = "isHostPointer"
+# Use noisy simulation? (Default is "false"; depolarizing noise intensity can be controlled by "QRACK_GATE_DEPOLARIZATION" environment variable)
+is_noisy = "isNoisy"
 
 # In the above example, a dictionary will be constructed at run time.
 # The dictionary will contain the string key "option_key" and its value

diff --git a/pennylane_qrack/_version.py b/pennylane_qrack/_version.py
@@ -16,4 +16,4 @@
    Version number (major.minor.patch[-label])
 """
 
-__version__ = "0.6.16"
+__version__ = "0.7.0"
diff --git a/pennylane_qrack/qrack_device.cpp b/pennylane_qrack/qrack_device.cpp
@@ -6,7 +6,7 @@
 #define CL_HPP_TARGET_OPENCL_VERSION 300
 #include "qrack/qfactory.hpp"
 
-#define QSIM_CONFIG(numQubits) Qrack::CreateArrangedLayers(md, sd, sh, bdt, true, tn, true, oc, numQubits, Qrack::ZERO_BCI, nullptr, Qrack::CMPLX_DEFAULT_ARG, false, true, hp)
+#define QSIM_CONFIG(numQubits) Qrack::CreateArrangedLayersFull(nw, md, sd, sh, bdt, true, tn, true, oc, numQubits, Qrack::ZERO_BCI, nullptr, Qrack::CMPLX_DEFAULT_ARG, false, true, hp)
 
 std::string trim(std::string s)
 {
@@ -39,6 +39,7 @@ struct QrackDevice final : public Catalyst::Runtime::QuantumDevice {
     bool bdt;
     bool oc;
     bool hp;
+    bool nw;
     bitLenInt allocated_qubits;
     bitLenInt mapped_qubits;
     size_t shots;
@@ -389,6 +390,7 @@ struct QrackDevice final : public Catalyst::Runtime::QuantumDevice {
         , bdt(false)
         , oc(true)
         , hp(false)
+        , nw(false)
         , allocated_qubits(0U)
         , mapped_qubits(0U)
         , shots(1U)
@@ -410,6 +412,7 @@ struct QrackDevice final : public Catalyst::Runtime::QuantumDevice {
         keyMap["'is_qbdd'"] = 7;
         keyMap["'is_gpu'"] = 8;
         keyMap["'is_host_pointer'"] = 9;
+        keyMap["'is_noisy'"] = 10;
 
         size_t pos;
         while ((pos = kwargs.find(":")) != std::string::npos) {
@@ -491,6 +494,9 @@ struct QrackDevice final : public Catalyst::Runtime::QuantumDevice {
                 case 9:
                     hp = val;
                     break;
+                case 10:
+                    nw = val;
+                    break;
                 default:
                     break;
             }