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Restrict Gemma to a single image per request

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This commit is contained in:
Jesse Gross 2025-03-10 16:53:10 -07:00 committed by Michael Yang
parent 2c40c4d35e
commit 475005504e
1 changed files with 11 additions and 1 deletions
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12
server/prompt.go
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@ -26,6 +26,7 @@ func chatPrompt(ctx context.Context, m *Model, tokenize tokenizeFunc, opts *api.
var system []api.Message
isMllama := checkMllamaModelFamily(m)
isGemma3 := checkGemma3ModelFamily(m)
var imageNumTokens int
// TODO: Ideally we would compute this from the projector metadata but some pieces are implementation dependent
@ -40,7 +41,7 @@ func chatPrompt(ctx context.Context, m *Model, tokenize tokenizeFunc, opts *api.
n := len(msgs) - 1
// in reverse, find all messages that fit into context window
for i := n; i >= 0; i-- {
if isMllama && len(msgs[i].Images) > 1 {
if (isMllama || isGemma3) && len(msgs[i].Images) > 1 {
return "", nil, errTooManyImages
}
@ -157,3 +158,12 @@ func checkMllamaModelFamily(m *Model) bool {
}
return false
}
func checkGemma3ModelFamily(m *Model) bool {
for _, arch := range m.Config.ModelFamilies {
if arch == "gemma3" {
return true
}
}
return false
}