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clean up num_gpu calculation code (#673)

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Bruce MacDonald 2023-10-02 14:53:42 -04:00 committed by GitHub
parent 1fbf3585d6
commit b1f7123301
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 4 deletions
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8
llm/llama.go
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@ -218,7 +218,6 @@ func NumGPU(numLayer, fileSizeBytes int64, opts api.Options) int {
if opts.NumGPU != -1 { if opts.NumGPU != -1 {
return opts.NumGPU return opts.NumGPU
} }
n := 1 // default to enable metal on macOS
if runtime.GOOS == "linux" { if runtime.GOOS == "linux" {
vramMib, err := CheckVRAM() vramMib, err := CheckVRAM()
if err != nil { if err != nil {
@ -235,10 +234,11 @@ func NumGPU(numLayer, fileSizeBytes int64, opts api.Options) int {
// TODO: this is a rough heuristic, better would be to calculate this based on number of layers and context size // TODO: this is a rough heuristic, better would be to calculate this based on number of layers and context size
bytesPerLayer := fileSizeBytes / numLayer bytesPerLayer := fileSizeBytes / numLayer
// set n to the max number of layers we can fit in VRAM // max number of layers we can fit in VRAM
return int(totalVramBytes / bytesPerLayer) layers := int(totalVramBytes / bytesPerLayer)
log.Printf("%d MiB VRAM available, loading up to %d GPU layers", vramMib, layers)
log.Printf("%d MiB VRAM available, loading up to %d GPU layers", vramMib, n) return layers
} }
// default to enable metal on macOS // default to enable metal on macOS
return 1 return 1