[ARVADOS] updated: 2.1.0-1726-gcb2d52217

Git user git at public.arvados.org
Fri Dec 17 15:56:22 UTC 2021


Summary of changes:
 .../_container_runtime_constraints.liquid          |  11 +-
 lib/crunchrun/crunchrun.go                         |   8 +-
 lib/dispatchcloud/node_size.go                     |  12 +-
 lib/dispatchcloud/node_size_test.go                | 139 ++++++++++++---------
 sdk/go/arvados/container.go                        |  18 +--
 5 files changed, 111 insertions(+), 77 deletions(-)

       via  cb2d522176c17f2d388098b70fdbaa90fb30e682 (commit)
      from  9908d25991d607687c7691548a862d1fb73788d5 (commit)

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commit cb2d522176c17f2d388098b70fdbaa90fb30e682
Author: Peter Amstutz <peter.amstutz at curii.com>
Date:   Fri Dec 17 10:55:00 2021 -0500

    18321: Add CUDARuntimeConstraints matching CUDAFeatures
    
    Adjust CUDA version comparison.  Refactor tests.
    
    Arvados-DCO-1.1-Signed-off-by: Peter Amstutz <peter.amstutz at curii.com>

diff --git a/doc/_includes/_container_runtime_constraints.liquid b/doc/_includes/_container_runtime_constraints.liquid
index dcdc29cf3..6926b9d3d 100644
--- a/doc/_includes/_container_runtime_constraints.liquid
+++ b/doc/_includes/_container_runtime_constraints.liquid
@@ -14,6 +14,11 @@ table(table table-bordered table-condensed).
 |vcpus|integer|Number of cores to be used to run this process.|Optional. However, a ContainerRequest that is in "Committed" state must provide this.|
 |keep_cache_ram|integer|Number of keep cache bytes to be used to run this process.|Optional.|
 |API|boolean|When set, ARVADOS_API_HOST and ARVADOS_API_TOKEN will be set, and container will have networking enabled to access the Arvados API server.|Optional.|
-|cuda_driver_version|string|Minimum CUDA driver version.|Optional.|
-|cuda_hardware_capability|string|Minimum CUDA hardware capability.|Optional.|
-|cuda_device_count|int|Number of GPUs to request.|Optional.|
+|cuda|object|Request CUDA GPU support, see below|Optional.|
+
+h3. CUDA GPU support
+
+table(table table-bordered table-condensed).
+|device_count|int|Number of GPUs to request.|Required to request a GPU node.|
+|driver_version|string|Minimum CUDA driver version.|Optional.|
+|hardware_capability|string|Minimum CUDA hardware capability.|Optional.|
diff --git a/lib/crunchrun/crunchrun.go b/lib/crunchrun/crunchrun.go
index 7e68dcd33..52d9c4b0f 100644
--- a/lib/crunchrun/crunchrun.go
+++ b/lib/crunchrun/crunchrun.go
@@ -988,11 +988,11 @@ func (runner *ContainerRunner) CreateContainer(imageID string, bindmounts map[st
 	runner.executorStderr = stderr
 
 	cudaDeviceCount := 0
-	if runner.Container.RuntimeConstraints.CUDADriverVersion != "" ||
-		runner.Container.RuntimeConstraints.CUDAHardwareCapability != "" ||
-		runner.Container.RuntimeConstraints.CUDADeviceCount != 0 {
+	if runner.Container.RuntimeConstraints.CUDA.DriverVersion != "" ||
+		runner.Container.RuntimeConstraints.CUDA.HardwareCapability != "" ||
+		runner.Container.RuntimeConstraints.CUDA.DeviceCount != 0 {
 		// if any of these are set, enable CUDA GPU support
-		cudaDeviceCount = runner.Container.RuntimeConstraints.CUDADeviceCount
+		cudaDeviceCount = runner.Container.RuntimeConstraints.CUDA.DeviceCount
 		if cudaDeviceCount == 0 {
 			cudaDeviceCount = 1
 		}
diff --git a/lib/dispatchcloud/node_size.go b/lib/dispatchcloud/node_size.go
index aa2cd7d56..6831d8d8e 100644
--- a/lib/dispatchcloud/node_size.go
+++ b/lib/dispatchcloud/node_size.go
@@ -83,8 +83,8 @@ func EstimateScratchSpace(ctr *arvados.Container) (needScratch int64) {
 	return
 }
 
-// compareVersion returns true if vs1 >= vs2, otherwise false
-func compareVersion(vs1 string, vs2 string) bool {
+// compareVersion returns true if vs1 < vs2, otherwise false
+func versionLess(vs1 string, vs2 string) bool {
 	v1, err := strconv.ParseFloat(vs1, 64)
 	if err != nil {
 		return false
@@ -93,7 +93,7 @@ func compareVersion(vs1 string, vs2 string) bool {
 	if err != nil {
 		return false
 	}
-	return v1 >= v2
+	return v1 < v2
 }
 
 // ChooseInstanceType returns the cheapest available
@@ -123,9 +123,9 @@ func ChooseInstanceType(cc *arvados.Cluster, ctr *arvados.Container) (best arvad
 		case it.VCPUs < needVCPUs: // insufficient VCPUs
 		case it.Preemptible != ctr.SchedulingParameters.Preemptible: // wrong preemptable setting
 		case it.Price == best.Price && (it.RAM < best.RAM || it.VCPUs < best.VCPUs): // same price, worse specs
-		case it.CUDA.DeviceCount < ctr.RuntimeConstraints.CUDADeviceCount: // insufficient CUDA devices
-		case it.CUDA.DeviceCount > 0 && !compareVersion(it.CUDA.DriverVersion, ctr.RuntimeConstraints.CUDADriverVersion): // insufficient driver version
-		case it.CUDA.DeviceCount > 0 && !compareVersion(it.CUDA.HardwareCapability, ctr.RuntimeConstraints.CUDAHardwareCapability): // insufficient hardware capability
+		case it.CUDA.DeviceCount < ctr.RuntimeConstraints.CUDA.DeviceCount: // insufficient CUDA devices
+		case ctr.RuntimeConstraints.CUDA.DeviceCount > 0 && versionLess(it.CUDA.DriverVersion, ctr.RuntimeConstraints.CUDA.DriverVersion): // insufficient driver version
+		case ctr.RuntimeConstraints.CUDA.DeviceCount > 0 && versionLess(it.CUDA.HardwareCapability, ctr.RuntimeConstraints.CUDA.HardwareCapability): // insufficient hardware capability
 			// Don't select this node
 		default:
 			// Didn't reject the node, so select it
diff --git a/lib/dispatchcloud/node_size_test.go b/lib/dispatchcloud/node_size_test.go
index cdcf4033f..06255462b 100644
--- a/lib/dispatchcloud/node_size_test.go
+++ b/lib/dispatchcloud/node_size_test.go
@@ -154,69 +154,94 @@ func (*NodeSizeSuite) TestChooseGPU(c *check.C) {
 		"low_capability": {Price: 2.1, RAM: 2000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "low_capability", CUDA: arvados.CUDAFeatures{DeviceCount: 1, HardwareCapability: "8.0", DriverVersion: "11.0"}},
 		"best":           {Price: 2.2, RAM: 2000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "best", CUDA: arvados.CUDAFeatures{DeviceCount: 1, HardwareCapability: "9.0", DriverVersion: "11.0"}},
 		"low_driver":     {Price: 2.1, RAM: 2000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "low_driver", CUDA: arvados.CUDAFeatures{DeviceCount: 1, HardwareCapability: "9.0", DriverVersion: "10.0"}},
-		"small":          {Price: 1.1, RAM: 1000000000, VCPUs: 2, Scratch: 2 * GiB, Name: "small"},
+		"cheap_gpu":      {Price: 2.0, RAM: 2000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "cheap_gpu", CUDA: arvados.CUDAFeatures{DeviceCount: 1, HardwareCapability: "8.0", DriverVersion: "10.0"}},
+		"non_gpu":        {Price: 1.1, RAM: 2000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "non_gpu"},
 	}
-	best, err := ChooseInstanceType(&arvados.Cluster{InstanceTypes: menu}, &arvados.Container{
-		Mounts: map[string]arvados.Mount{
-			"/tmp": {Kind: "tmp", Capacity: 2 * int64(GiB)},
+
+	type GPUTestCase struct {
+		CUDA             arvados.CUDARuntimeConstraints
+		SelectedInstance string
+	}
+	cases := []GPUTestCase{
+		GPUTestCase{
+			CUDA: arvados.CUDARuntimeConstraints{
+				DeviceCount:        1,
+				HardwareCapability: "9.0",
+				DriverVersion:      "11.0",
+			},
+			SelectedInstance: "best",
 		},
-		RuntimeConstraints: arvados.RuntimeConstraints{
-			VCPUs:                  2,
-			RAM:                    987654321,
-			KeepCacheRAM:           123456789,
-			CUDADeviceCount:        1,
-			CUDAHardwareCapability: "9.0",
-			CUDADriverVersion:      "11.0",
+		GPUTestCase{
+			CUDA: arvados.CUDARuntimeConstraints{
+				DeviceCount:        2,
+				HardwareCapability: "9.0",
+				DriverVersion:      "11.0",
+			},
+			SelectedInstance: "costly",
 		},
-	})
-	c.Check(err, check.IsNil)
-	c.Check(best.Name, check.Equals, "best")
-	c.Check(best.RAM >= 1234567890, check.Equals, true)
-	c.Check(best.VCPUs >= 2, check.Equals, true)
-	c.Check(best.CUDA.DeviceCount >= 1, check.Equals, true)
-	c.Check(best.CUDA.DriverVersion, check.Equals, "11.0")
-	c.Check(best.CUDA.HardwareCapability, check.Equals, "9.0")
-
-	best, err = ChooseInstanceType(&arvados.Cluster{InstanceTypes: menu}, &arvados.Container{
-		Mounts: map[string]arvados.Mount{
-			"/tmp": {Kind: "tmp", Capacity: 2 * int64(GiB)},
+		GPUTestCase{
+			CUDA: arvados.CUDARuntimeConstraints{
+				DeviceCount:        1,
+				HardwareCapability: "8.0",
+				DriverVersion:      "11.0",
+			},
+			SelectedInstance: "low_capability",
 		},
-		RuntimeConstraints: arvados.RuntimeConstraints{
-			VCPUs:                  2,
-			RAM:                    987654321,
-			KeepCacheRAM:           123456789,
-			CUDADeviceCount:        2,
-			CUDAHardwareCapability: "9.0",
-			CUDADriverVersion:      "11.0",
+		GPUTestCase{
+			CUDA: arvados.CUDARuntimeConstraints{
+				DeviceCount:        1,
+				HardwareCapability: "9.0",
+				DriverVersion:      "10.0",
+			},
+			SelectedInstance: "low_driver",
 		},
-	})
-	c.Check(err, check.IsNil)
-	c.Check(best.Name, check.Equals, "costly")
-	c.Check(best.RAM >= 1234567890, check.Equals, true)
-	c.Check(best.VCPUs >= 2, check.Equals, true)
-	c.Check(best.CUDA.DeviceCount >= 2, check.Equals, true)
-	c.Check(best.CUDA.DriverVersion, check.Equals, "11.0")
-	c.Check(best.CUDA.HardwareCapability, check.Equals, "9.0")
-
-	best, err = ChooseInstanceType(&arvados.Cluster{InstanceTypes: menu}, &arvados.Container{
-		Mounts: map[string]arvados.Mount{
-			"/tmp": {Kind: "tmp", Capacity: 2 * int64(GiB)},
+		GPUTestCase{
+			CUDA: arvados.CUDARuntimeConstraints{
+				DeviceCount:        1,
+				HardwareCapability: "",
+				DriverVersion:      "10.0",
+			},
+			SelectedInstance: "cheap_gpu",
 		},
-		RuntimeConstraints: arvados.RuntimeConstraints{
-			VCPUs:                  2,
-			RAM:                    987654321,
-			KeepCacheRAM:           123456789,
-			CUDADeviceCount:        1,
-			CUDAHardwareCapability: "8.0",
-			CUDADriverVersion:      "11.0",
+		GPUTestCase{
+			CUDA: arvados.CUDARuntimeConstraints{
+				DeviceCount:        1,
+				HardwareCapability: "8.0",
+				DriverVersion:      "",
+			},
+			SelectedInstance: "cheap_gpu",
 		},
-	})
-	c.Check(err, check.IsNil)
-	c.Check(best.Name, check.Equals, "low_capability")
-	c.Check(best.RAM >= 1234567890, check.Equals, true)
-	c.Check(best.VCPUs >= 2, check.Equals, true)
-	c.Check(best.CUDA.DeviceCount >= 1, check.Equals, true)
-	c.Check(best.CUDA.DriverVersion, check.Equals, "11.0")
-	c.Check(best.CUDA.HardwareCapability, check.Equals, "8.0")
+		GPUTestCase{
+			CUDA: arvados.CUDARuntimeConstraints{
+				DeviceCount:        1,
+				HardwareCapability: "",
+				DriverVersion:      "",
+			},
+			SelectedInstance: "cheap_gpu",
+		},
+		GPUTestCase{
+			CUDA: arvados.CUDARuntimeConstraints{
+				DeviceCount:        0,
+				HardwareCapability: "9.0",
+				DriverVersion:      "11.0",
+			},
+			SelectedInstance: "non_gpu",
+		},
+	}
 
+	for _, tc := range cases {
+		best, err := ChooseInstanceType(&arvados.Cluster{InstanceTypes: menu}, &arvados.Container{
+			Mounts: map[string]arvados.Mount{
+				"/tmp": {Kind: "tmp", Capacity: 2 * int64(GiB)},
+			},
+			RuntimeConstraints: arvados.RuntimeConstraints{
+				VCPUs:        2,
+				RAM:          987654321,
+				KeepCacheRAM: 123456789,
+				CUDA:         tc.CUDA,
+			},
+		})
+		c.Check(err, check.IsNil)
+		c.Check(best.Name, check.Equals, tc.SelectedInstance)
+	}
 }
diff --git a/sdk/go/arvados/container.go b/sdk/go/arvados/container.go
index 27afc1a3a..d0b127333 100644
--- a/sdk/go/arvados/container.go
+++ b/sdk/go/arvados/container.go
@@ -93,16 +93,20 @@ type Mount struct {
 	GitURL            string      `json:"git_url"`         // only if kind=="git_tree"
 }
 
+type CUDARuntimeConstraints struct {
+	DriverVersion      string `json:"driver_version,omitempty"`
+	HardwareCapability string `json:"hardware_capability,omitempty"`
+	DeviceCount        int    `json:"device_count,omitempty"`
+}
+
 // RuntimeConstraints specify a container's compute resources (RAM,
 // CPU) and network connectivity.
 type RuntimeConstraints struct {
-	API                    bool   `json:"API"`
-	RAM                    int64  `json:"ram"`
-	VCPUs                  int    `json:"vcpus"`
-	KeepCacheRAM           int64  `json:"keep_cache_ram"`
-	CUDADriverVersion      string `json:"cuda_driver_version,omitempty"`
-	CUDAHardwareCapability string `json:"cuda_hardware_capability,omitempty"`
-	CUDADeviceCount        int    `json:"cuda_device_count,omitempty"`
+	API          bool                   `json:"API"`
+	RAM          int64                  `json:"ram"`
+	VCPUs        int                    `json:"vcpus"`
+	KeepCacheRAM int64                  `json:"keep_cache_ram"`
+	CUDA         CUDARuntimeConstraints `json:"cuda,omitempty"`
 }
 
 // SchedulingParameters specify a container's scheduling parameters

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