From 970bbbda4c904bd4c300eb874ec9d97017fdd820 Mon Sep 17 00:00:00 2001
From: ysyapa <ysyapa@ncsu.edu>
Date: Thu, 10 Aug 2023 09:11:00 +0000
Subject: [PATCH] Specify krylovdim

---
 Hamiltonian.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Hamiltonian.jl b/Hamiltonian.jl
index 321c343..f368cf6 100644
--- a/Hamiltonian.jl
+++ b/Hamiltonian.jl
@@ -134,7 +134,7 @@ function eig(H::Hamiltonian{T}, levels::Int; resonances = !H.hermitian)::Tuple{V
         x₀ = CUDA.rand(Complex{T}, vectorDims(H)...)
         synchronize()
     end
-    evals, evecs, info = eigsolve(H, x₀, levels, resonances ? :LI : :SR; ishermitian = H.hermitian, tol = tolerance)
+    evals, evecs, info = eigsolve(H, x₀, levels, resonances ? :LI : :SR; ishermitian = H.hermitian, tol = tolerance, krylovdim = levels * 2)
     resonances || info.converged < levels && throw(error("Not enough convergence")) # don't check convergence for resonances
     if H.hermitian evals = real.(evals) end
     if H.mode == gpu_cutensor # to avoid possible GPU memory leak