Function assertQuregLocalMemDoesntExceedMaxSizeof

quest/src/core/validation.cpp:1583–1601

}

void assertQuregLocalMemDoesntExceedMaxSizeof(int numQubits, int isDensMatr, int isDistrib, QuESTEnv env, const char* caller) {

    // assume distributed (unless it is force disabled), because that reduces the memory required
    // per node and is ergo more permissive - and the auto-deployer would never choose non-distribution
    // in a distributed env if the memory would exceed the max sizeof!
    int numQuregNodes = (isDistrib == 0 || ! env.isDistributed)? 1 : env.numNodes;
    int maxNumQubits = (int) mem_getMaxNumQuregQubitsBeforeGlobalMemSizeofOverflow(isDensMatr, numQuregNodes);

    tokenSubs vars = {
        {"${NUM_QUBITS}", numQubits},
        {"${NUM_NODES}",  numQuregNodes},
        {"${MAX_QUBITS}", maxNumQubits}};

    string msg = (isDensMatr)?
        report::NEW_DENSMATR_QUREG_LOCAL_MEM_WOULD_EXCEED_SIZEOF :
        report::NEW_STATEVEC_QUREG_LOCAL_MEM_WOULD_EXCEED_SIZEOF;

    assertThat(numQubits <= maxNumQubits, msg, vars, caller);
}

void assertQuregNotDistributedOverTooManyNodes(int numQubits, int isDensMatr, int isDistrib, QuESTEnv env, const char* caller) {