49 lines
1.2 KiB
Plaintext
49 lines
1.2 KiB
Plaintext
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// Code generated from hashicorp/nomad/tools/ec2info; DO NOT EDIT.
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package {{.Package}}
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// CPU contains virtual core count and processor baseline performance.
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type CPU struct {
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// use small units to reduce size of the embedded table
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Cores uint32 // good for 4 billion cores
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MHz uint32 // good for 4 billion MHz
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}
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// Ticks computes the total number of cycles available across the virtual
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// cores of a CPU.
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func (c CPU) Ticks() int {
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return int(c.MHz) * int(c.Cores)
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}
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// GHz returns the speed of CPU in ghz.
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func (c CPU) GHz() float64 {
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return float64(c.MHz) / 1000.0
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}
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// newCPU create a CPUSpecs from the given virtual core count and core speed.
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func newCPU(cores uint32, ghz float64) CPU {
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return CPU{
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Cores: cores,
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MHz: uint32(ghz * 1000),
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}
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}
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// LookupEC2CPU returns the virtual core count and core speed information from a
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// lookup table generated from the Amazon EC2 API.
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//
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// If the instance type does not exist, nil is returned.
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func LookupEC2CPU(instanceType string) *CPU {
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specs, exists := instanceTypeCPU[instanceType]
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if !exists {
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return nil
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}
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return &specs
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}
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{{with .Data}}
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var instanceTypeCPU = map[string]CPU {
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{{ range $key, $value := . }}
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"{{ $key }}": newCPU({{$value.Cores}}, {{$value.Speed}}), {{ end }}
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}
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{{end}}
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