use of org.nd4j.linalg.api.memory.conf.WorkspaceConfiguration in project nd4j by deeplearning4j.
the class BasicWorkspaceTests method testOverallocation1.
@Test
public void testOverallocation1() throws Exception {
WorkspaceConfiguration overallocationConfig = WorkspaceConfiguration.builder().initialSize(1024).maxSize(10 * 1024 * 1024).overallocationLimit(1.0).policyAllocation(AllocationPolicy.OVERALLOCATE).policyLearning(LearningPolicy.NONE).policyMirroring(MirroringPolicy.FULL).policySpill(SpillPolicy.EXTERNAL).build();
Nd4jWorkspace workspace = (Nd4jWorkspace) Nd4j.getWorkspaceManager().createNewWorkspace(overallocationConfig);
assertEquals(2048, workspace.getCurrentSize());
}
use of org.nd4j.linalg.api.memory.conf.WorkspaceConfiguration in project nd4j by deeplearning4j.
the class BasicWorkspaceTests method testMmap2.
@Test
public void testMmap2() throws Exception {
// we don't support MMAP on cuda yet
if (Nd4j.getExecutioner().getClass().getName().toLowerCase().contains("cuda"))
return;
File tmp = File.createTempFile("tmp", "fdsfdf");
tmp.deleteOnExit();
Nd4jWorkspace.fillFile(tmp, 100000);
WorkspaceConfiguration mmap = WorkspaceConfiguration.builder().policyLocation(LocationPolicy.MMAP).tempFilePath(tmp.getAbsolutePath()).build();
MemoryWorkspace ws = Nd4j.getWorkspaceManager().getAndActivateWorkspace(mmap, "M3");
INDArray mArray = Nd4j.create(100);
mArray.assign(10f);
assertEquals(1000f, mArray.sumNumber().floatValue(), 1e-5);
ws.notifyScopeLeft();
}
use of org.nd4j.linalg.api.memory.conf.WorkspaceConfiguration in project nd4j by deeplearning4j.
the class BasicWorkspaceTests method testMinSize1.
@Test
public void testMinSize1() throws Exception {
WorkspaceConfiguration conf = WorkspaceConfiguration.builder().minSize(10 * 1024 * 1024).overallocationLimit(1.0).policyAllocation(AllocationPolicy.OVERALLOCATE).policyLearning(LearningPolicy.FIRST_LOOP).policyMirroring(MirroringPolicy.FULL).policySpill(SpillPolicy.EXTERNAL).build();
try (Nd4jWorkspace workspace = (Nd4jWorkspace) Nd4j.getWorkspaceManager().getAndActivateWorkspace(conf, "WT")) {
INDArray array = Nd4j.create(100);
assertEquals(0, workspace.getCurrentSize());
}
try (Nd4jWorkspace workspace = (Nd4jWorkspace) Nd4j.getWorkspaceManager().getAndActivateWorkspace(conf, "WT")) {
INDArray array = Nd4j.create(100);
assertEquals(10 * 1024 * 1024, workspace.getCurrentSize());
}
}
use of org.nd4j.linalg.api.memory.conf.WorkspaceConfiguration in project nd4j by deeplearning4j.
the class EndlessWorkspaceTests method endlessTestSerDe1.
@Test
public void endlessTestSerDe1() throws Exception {
INDArray features = Nd4j.create(32, 3, 224, 224);
INDArray labels = Nd4j.create(32, 200);
File tmp = File.createTempFile("12dadsad", "dsdasds");
float[] array = new float[33 * 3 * 224 * 224];
DataSet ds = new DataSet(features, labels);
ds.save(tmp);
WorkspaceConfiguration wsConf = WorkspaceConfiguration.builder().initialSize(0).policyLearning(LearningPolicy.FIRST_LOOP).build();
while (true) {
try (MemoryWorkspace workspace = Nd4j.getWorkspaceManager().getAndActivateWorkspace(wsConf, "serde")) {
/*
try (FileOutputStream fos = new FileOutputStream(tmp); BufferedOutputStream bos = new BufferedOutputStream(fos)) {
SerializationUtils.serialize(array, fos);
}
try (FileInputStream fis = new FileInputStream(tmp); BufferedInputStream bis = new BufferedInputStream(fis)) {
long time1 = System.currentTimeMillis();
float[] arrayR = (float[]) SerializationUtils.deserialize(bis);
long time2 = System.currentTimeMillis();
log.info("Load time: {}", time2 - time1);
}
*/
long time1 = System.currentTimeMillis();
ds.load(tmp);
long time2 = System.currentTimeMillis();
log.info("Load time: {}", time2 - time1);
}
}
}
use of org.nd4j.linalg.api.memory.conf.WorkspaceConfiguration in project nd4j by deeplearning4j.
the class SpecialWorkspaceTests method testVariableTimeSeries1.
@Test
public void testVariableTimeSeries1() throws Exception {
WorkspaceConfiguration configuration = WorkspaceConfiguration.builder().initialSize(0).overallocationLimit(3.0).policyAllocation(AllocationPolicy.OVERALLOCATE).policySpill(SpillPolicy.EXTERNAL).policyLearning(LearningPolicy.FIRST_LOOP).policyReset(ResetPolicy.ENDOFBUFFER_REACHED).build();
try (MemoryWorkspace ws = Nd4j.getWorkspaceManager().getAndActivateWorkspace(configuration, "WS1")) {
Nd4j.create(500);
Nd4j.create(500);
}
Nd4jWorkspace workspace = (Nd4jWorkspace) Nd4j.getWorkspaceManager().getWorkspaceForCurrentThread("WS1");
workspace.enableDebug(true);
assertEquals(0, workspace.getStepNumber());
long requiredMemory = 1000 * Nd4j.sizeOfDataType();
long shiftedSize = ((long) (requiredMemory * 1.3)) + (8 - (((long) (requiredMemory * 1.3)) % 8));
assertEquals(requiredMemory, workspace.getSpilledSize());
assertEquals(shiftedSize, workspace.getInitialBlockSize());
assertEquals(workspace.getInitialBlockSize() * 4, workspace.getCurrentSize());
try (MemoryWorkspace ws = Nd4j.getWorkspaceManager().getAndActivateWorkspace("WS1")) {
Nd4j.create(2000);
}
assertEquals(0, workspace.getStepNumber());
assertEquals(1000 * Nd4j.sizeOfDataType(), workspace.getSpilledSize());
assertEquals(2000 * Nd4j.sizeOfDataType(), workspace.getPinnedSize());
assertEquals(0, workspace.getDeviceOffset());
// FIXME: fix this!
// assertEquals(0, workspace.getHostOffset());
assertEquals(0, workspace.getThisCycleAllocations());
log.info("------------------");
assertEquals(1, workspace.getNumberOfPinnedAllocations());
for (int e = 0; e < 4; e++) {
for (int i = 0; i < 4; i++) {
try (MemoryWorkspace ws = Nd4j.getWorkspaceManager().getAndActivateWorkspace(configuration, "WS1")) {
Nd4j.create(500);
Nd4j.create(500);
}
assertEquals("Failed on iteration " + i, (i + 1) * workspace.getInitialBlockSize(), workspace.getDeviceOffset());
}
if (e >= 2) {
assertEquals("Failed on iteration " + e, 0, workspace.getNumberOfPinnedAllocations());
} else {
assertEquals("Failed on iteration " + e, 1, workspace.getNumberOfPinnedAllocations());
}
}
assertEquals(0, workspace.getSpilledSize());
assertEquals(0, workspace.getPinnedSize());
assertEquals(0, workspace.getNumberOfPinnedAllocations());
assertEquals(0, workspace.getNumberOfExternalAllocations());
log.info("Workspace state after first block: ---------------------------------------------------------");
Nd4j.getWorkspaceManager().printAllocationStatisticsForCurrentThread();
log.info("--------------------------------------------------------------------------------------------");
// we just do huge loop now, with pinned stuff in it
for (int i = 0; i < 100; i++) {
try (MemoryWorkspace ws = Nd4j.getWorkspaceManager().getAndActivateWorkspace(configuration, "WS1")) {
Nd4j.create(500);
Nd4j.create(500);
Nd4j.create(500);
assertEquals(1500 * Nd4j.sizeOfDataType(), workspace.getThisCycleAllocations());
}
}
assertEquals(0, workspace.getSpilledSize());
assertNotEquals(0, workspace.getPinnedSize());
assertNotEquals(0, workspace.getNumberOfPinnedAllocations());
assertEquals(0, workspace.getNumberOfExternalAllocations());
// and we do another clean loo, without pinned stuff in it, to ensure all pinned allocates are gone
for (int i = 0; i < 100; i++) {
try (MemoryWorkspace ws = Nd4j.getWorkspaceManager().getAndActivateWorkspace(configuration, "WS1")) {
Nd4j.create(500);
Nd4j.create(500);
}
}
assertEquals(0, workspace.getSpilledSize());
assertEquals(0, workspace.getPinnedSize());
assertEquals(0, workspace.getNumberOfPinnedAllocations());
assertEquals(0, workspace.getNumberOfExternalAllocations());
log.info("Workspace state after second block: ---------------------------------------------------------");
Nd4j.getWorkspaceManager().printAllocationStatisticsForCurrentThread();
}
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