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Change loss function to match gradient

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This commit is contained in:
Aaron Fenyes 2024-07-09 14:00:24 -07:00
parent 023759a267
commit 77bc124170
1 changed files with 2 additions and 2 deletions
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4
engine-proto/gram-test/Engine.jl
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@ -104,7 +104,7 @@ function realize_gram(
# do gradient descent # do gradient descent
Δ_proj = proj_diff(gram, L'*Q*L) Δ_proj = proj_diff(gram, L'*Q*L)
loss = norm(Δ_proj) loss = dot(Δ_proj, Δ_proj)
for step in 1:max_descent_steps for step in 1:max_descent_steps
# stop if the loss is tolerably low # stop if the loss is tolerably low
if loss < tol if loss < tol
@ -128,7 +128,7 @@ function realize_gram(
history.stepsize[end] = stepsize history.stepsize[end] = stepsize
L = L_last + stepsize * neg_grad L = L_last + stepsize * neg_grad
Δ_proj = proj_diff(gram, L'*Q*L) Δ_proj = proj_diff(gram, L'*Q*L)
loss = norm(Δ_proj) loss = dot(Δ_proj, Δ_proj)
improvement = loss_last - loss improvement = loss_last - loss
if improvement >= target_improvement * stepsize * slope if improvement >= target_improvement * stepsize * slope
history.backoff_steps[end] = backoff_steps history.backoff_steps[end] = backoff_steps