MarkBase Admin
ac75faa0cc
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- E4B-MarkBase model (42 layers, 4.4GB) loaded successfully - All Phase 1-6 tests passed (model loading, forward pass, vision/audio towers, token generation, performance) - All stress tests passed (5/5 in 127.6s) - Concurrent inference - Memory stress (67.5 tok/s, 0 NaN) - Continuous generation - Batch processing - Long-running stability - Swift Metal inference engine with multimodal support
47 lines
2.2 KiB
Swift
47 lines
2.2 KiB
Swift
import XCTest
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@testable import MarkBase
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class Model31BForwardTest: XCTestCase {
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func testModel31BForwardNaN() throws {
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print("\n═══════════════════════════════════════════════════════════════════")
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print(" 31B Forward Pass NaN Test")
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print("═══════════════════════════════════════════════════════════════════\n")
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let modelPath = "/Users/accusys/MarkBaseEngine/models/gemma-4-31b-it-4bit"
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guard FileManager.default.fileExists(atPath: modelPath) else {
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print("⚠ Model not found")
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return
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}
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let engine = try MarkBaseEngine(autoCompile: true)
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print("Loading 31B...")
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let model = try E4BModel(modelDir: modelPath, engine: engine, maxContextLength: 128)
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print("✓ Model loaded (Layers: \(model.numHiddenLayers), Hidden: \(model.hiddenSize))")
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// Test multiple tokenIds (like 26B-A4B)
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print("\nTesting tokenIds 0-10...")
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var nanPattern: [Int: Int] = [:]
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for testTokenId in 0..<10 {
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let result = try model.forwardOptimized(tokenId: testTokenId, position: 0)
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let nanCount = result.filter { $0.isNaN }.count
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if nanCount > 0 {
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nanPattern[testTokenId] = nanCount
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}
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}
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if nanPattern.isEmpty {
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print(" ✓ No NaN for tokenIds 0-10")
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print(" 31B may handle scales differently (no NaN despite wrong scales)")
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} else {
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print(" ⚠ NaN detected:")
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for (tokenId, count) in nanPattern.sorted(by: { $0.key < $1.key }) {
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print(" tokenId=\(tokenId): NaN=\(count)")
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}
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}
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print("\n═══════════════════════════════════════════════════════════════════")
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}
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} |