Simd revisited by shai-almog · Pull Request #4742 · codenameone/CodenameOne

shai-almog · 2026-04-13T02:20:22Z

No description provided.

github-actions · 2026-04-13T02:28:32Z

✅ Continuous Quality Report

Test & Coverage

✅ Tests: 2398 total, 0 failed, 0 skipped
📊 Line coverage: 53.31% [HTML preview] [Download]
- Lowest covered classes
  - com.codename1.ui.Display$EdtException – 0.00%
  - com.codename1.ui.plaf.CSSBorder$LinearGradient – 0.00%
  - com.codename1.util.EasyThread$InQueueRunnable – 0.00%
  - com.codename1.components.FloatingActionButton$ReleaseActionListener – 0.00%
  - com.codename1.io.Oauth2$ShowAuthenticationActionListener – 0.00%
  - com.codename1.io.Oauth2$RefreshTokenActionListener – 0.00%
  - com.codename1.util.EasyThread$RunAndWaitRunnable – 0.00%
  - com.codename1.components.ToastBar$FlushAnimationCallback – 0.00%
  - com.codename1.ui.plaf.CSSBorder$ColorStop – 0.00%
  - com.codename1.ui.ElevationComparator – 0.00%

Static Analysis

SpotBugs [HTML preview] [Download]
- ❌ ByteCodeTranslator: 110 findings (High: 2, Normal: 81, Low: 27)
  - Top findings
    - High: com/codename1/tools/translator/BytecodeMethod.java:647 – Method com.codename1.tools.translator.BytecodeMethod.findWritableFields(Set) seems to be useless (rule: UC_USELESS_VOID_METHOD)
    - High: com/codename1/tools/translator/bytecodes/TryCatch.java:91 – Write to static field com.codename1.tools.translator.bytecodes.TryCatch.hasTryCatch from instance method com.codename1.tools.translator.bytecodes.TryCatch.appendInstruction(StringBuilder, List) (rule: ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD)
    - Normal: com/codename1/tools/translator/ByteCodeClass.java:1823 – com.codename1.tools.translator.ByteCodeClass.getBaseClassObject() may expose internal representation by returning ByteCodeClass.baseClassObject (rule: EI_EXPOSE_REP)
    - …and 107 more
- ❌ android: 414 findings (High: 24, Normal: 196, Low: 194)
  - Top findings
    - High: CodenameOne/src/com/codename1/impl/CodenameOneThread.java:48 – com.codename1.impl.CodenameOneThread.STACK_FRAME_SIZE isn't final but should be (rule: MS_SHOULD_BE_FINAL)
    - High: com/codename1/impl/android/AndroidImplementation.java:1156 – Write to static field com.codename1.impl.android.AndroidImplementation.context from instance method com.codename1.impl.android.AndroidImplementation.setContext(Context) (rule: ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD)
    - High: com/codename1/impl/android/AndroidImplementation.java:1357 – com.codename1.impl.android.AndroidImplementation.isDarkMode() has Boolean return type and returns explicit null (rule: NP_BOOLEAN_RETURN_NULL)
    - …and 411 more
- ❌ codenameone-maven-plugin: 497 findings (High: 1, Normal: 320, Low: 176)
  - Top findings
    - High: com/codename1/maven/AbstractCN1Mojo.java:807 – com.codename1.maven.AbstractCN1Mojo.OS isn't final but should be (rule: MS_SHOULD_BE_FINAL)
    - Normal: com/codename1/builders/AndroidGradleBuilder.java:1020 – Dead store to googleServicesJson in com.codename1.builders.AndroidGradleBuilder.build(File, BuildRequest) (rule: DLS_DEAD_LOCAL_STORE)
    - Normal: com/codename1/builders/AndroidGradleBuilder.java:1045 – Possible null pointer dereference in com.codename1.builders.AndroidGradleBuilder.build(File, BuildRequest) due to return value of called method (rule: NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE)
    - …and 494 more
- ❌ core-unittests: 1 findings (Normal: 1)
  - Top findings
    - Normal: CodenameOne/src/com/codename1/ui/util/MutableResource.java:239 – com.codename1.ui.util.MutableResource.saveL10N(DataOutputStream, Hashtable) makes inefficient use of keySet iterator instead of entrySet iterator (rule: WMI_WRONG_MAP_ITERATOR)
- ❌ ios: 125 findings (High: 4, Normal: 75, Low: 46)
  - Top findings
    - High: com/codename1/impl/ios/IOSImplementation.java:1229 – com.codename1.impl.ios.IOSImplementation.isDarkMode() has Boolean return type and returns explicit null (rule: NP_BOOLEAN_RETURN_NULL)
    - High: com/codename1/impl/ios/IOSImplementation.java:129 – com.codename1.impl.ios.IOSImplementation.nativeInstance isn't final but should be (rule: MS_SHOULD_BE_FINAL)
    - High: com/codename1/impl/ios/IOSImplementation.java:215 – Write to static field com.codename1.impl.ios.IOSImplementation.instance from instance method com.codename1.impl.ios.IOSImplementation.init(Object) (rule: ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD)
    - …and 122 more
✅ PMD: 0 findings (no issues) [Report archive]
❌ Checkstyle: 49 findings (Error: 49) [HTML preview] [Download]
- Top findings
  - Error: CodenameOne/src/com/codename1/util/Simd.java:91:28 – 'typecast' is not followed by whitespace. (rule: WhitespaceAfterCheck)
  - Error: CodenameOne/src/com/codename1/util/Simd.java:169:39 – 'typecast' is not followed by whitespace. (rule: WhitespaceAfterCheck)
  - Error: CodenameOne/src/com/codename1/util/Simd.java:176:39 – 'typecast' is not followed by whitespace. (rule: WhitespaceAfterCheck)
  - Error: CodenameOne/src/com/codename1/util/Simd.java:184:39 – 'typecast' is not followed by whitespace. (rule: WhitespaceAfterCheck)
  - Error: CodenameOne/src/com/codename1/util/Simd.java:192:39 – 'typecast' is not followed by whitespace. (rule: WhitespaceAfterCheck)
  - …and 44 more

Generated automatically by the PR CI workflow.

shai-almog · 2026-04-13T02:44:25Z

iOS screenshot updates

Compared 37 screenshots: 36 matched, 1 updated.

landscape — updated screenshot. Screenshot differs (2556x1179 px, bit depth 8).

Preview info: Preview provided by instrumentation.
Full-resolution PNG saved as landscape.png in workflow artifacts.

Benchmark Results

VM Translation Time: 0 seconds
Compilation Time: 134 seconds

Build and Run Timing

Metric	Duration
Simulator Boot	1000 ms
Simulator Boot (Run)	1000 ms
App Install	2000 ms
App Launch	5000 ms
Test Execution	171000 ms

Detailed Performance Metrics

Metric	Duration
Base64 payload size	8192 bytes
Base64 benchmark iterations	6000
Base64 native encode	1546.000 ms
Base64 CN1 encode	1833.000 ms
Base64 encode ratio (CN1/native)	1.186x (18.6% slower)
Base64 native decode	1360.000 ms
Base64 CN1 decode	1332.000 ms
Base64 decode ratio (CN1/native)	0.979x (2.1% faster)
Base64 SIMD encode	466.000 ms
Base64 encode ratio (SIMD/native)	0.301x (69.9% faster)
Base64 encode ratio (SIMD/CN1)	0.254x (74.6% faster)
Base64 SIMD decode	389.000 ms
Base64 decode ratio (SIMD/native)	0.286x (71.4% faster)
Base64 decode ratio (SIMD/CN1)	0.292x (70.8% faster)
Image encode benchmark iterations	100
Image createMask (SIMD off)	63.000 ms
Image createMask (SIMD on)	10.000 ms
Image createMask ratio (SIMD on/off)	0.159x (84.1% faster)
Image applyMask (SIMD off)	828.000 ms
Image applyMask (SIMD on)	102.000 ms
Image applyMask ratio (SIMD on/off)	0.123x (87.7% faster)
Image modifyAlpha (SIMD off)	155.000 ms
Image modifyAlpha (SIMD on)	83.000 ms
Image modifyAlpha ratio (SIMD on/off)	0.535x (46.5% faster)
Image modifyAlpha removeColor (SIMD off)	179.000 ms
Image modifyAlpha removeColor (SIMD on)	99.000 ms
Image modifyAlpha removeColor ratio (SIMD on/off)	0.553x (44.7% faster)
Image PNG encode (SIMD off)	1120.000 ms
Image PNG encode (SIMD on)	805.000 ms
Image PNG encode ratio (SIMD on/off)	0.719x (28.1% faster)
Image JPEG encode	449.000 ms

github-actions · 2026-04-13T02:54:12Z

✅ ByteCodeTranslator Quality Report

Test & Coverage

✅ Tests: 381 total, 0 failed, 2 skipped

Benchmark Results

Execution Time: 8458 ms
Hotspots (Top 20 sampled methods):
- 21.04% java.lang.String.indexOf (316 samples)
- 19.24% com.codename1.tools.translator.Parser.isMethodUsed (289 samples)
- 12.05% com.codename1.tools.translator.Parser.addToConstantPool (181 samples)
- 10.32% java.util.ArrayList.indexOf (155 samples)
- 5.66% java.lang.Object.hashCode (85 samples)
- 3.26% java.lang.System.identityHashCode (49 samples)
- 1.93% com.codename1.tools.translator.ByteCodeClass.fillVirtualMethodTable (29 samples)
- 1.86% com.codename1.tools.translator.ByteCodeClass.updateAllDependencies (28 samples)
- 1.80% com.codename1.tools.translator.BytecodeMethod.optimize (27 samples)
- 1.60% com.codename1.tools.translator.ByteCodeClass.markDependent (24 samples)
- 1.53% com.codename1.tools.translator.ByteCodeClass.calcUsedByNative (23 samples)
- 1.07% com.codename1.tools.translator.Parser.cullMethods (16 samples)
- 1.07% com.codename1.tools.translator.Parser.getClassByName (16 samples)
- 0.80% com.codename1.tools.translator.BytecodeMethod.isMethodUsedByNative (12 samples)
- 0.80% java.lang.StringCoding.encode (12 samples)
- 0.67% sun.nio.ch.FileDispatcherImpl.write0 (10 samples)
- 0.60% com.codename1.tools.translator.BytecodeMethod.appendCMethodPrefix (9 samples)
- 0.60% com.codename1.tools.translator.Parser.generateClassAndMethodIndexHeader (9 samples)
- 0.60% org.objectweb.asm.ClassReader.readCode (9 samples)
- 0.53% com.codename1.tools.translator.BytecodeMethod.appendMethodSignatureSuffixFromDesc (8 samples)
⚠️ Coverage report not generated.

Static Analysis

✅ SpotBugs: no findings (report was not generated by the build).
⚠️ PMD report not generated.
⚠️ Checkstyle report not generated.

Generated automatically by the PR CI workflow.

shai-almog · 2026-04-13T03:32:46Z

Compared 37 screenshots: 37 matched.

Native Android coverage

📊 Line coverage: 7.85% (4157/52959 lines covered) [HTML preview] (artifact android-coverage-report, jacocoAndroidReport/html/index.html)
- Other counters: instruction 6.17% (20565/333305), branch 2.99% (961/32144), complexity 3.64% (1120/30738), method 6.41% (918/14331), class 10.63% (202/1900)
- Lowest covered classes
  - kotlin.collections.kotlin.collections.ArraysKt___ArraysKt – 0.00% (0/6327 lines covered)
  - kotlin.collections.unsigned.kotlin.collections.unsigned.UArraysKt___UArraysKt – 0.00% (0/2384 lines covered)
  - org.jacoco.agent.rt.internal_b6258fc.asm.org.jacoco.agent.rt.internal_b6258fc.asm.ClassReader – 0.00% (0/1519 lines covered)
  - kotlin.collections.kotlin.collections.CollectionsKt___CollectionsKt – 0.00% (0/1148 lines covered)
  - org.jacoco.agent.rt.internal_b6258fc.asm.org.jacoco.agent.rt.internal_b6258fc.asm.MethodWriter – 0.00% (0/923 lines covered)
  - kotlin.sequences.kotlin.sequences.SequencesKt___SequencesKt – 0.00% (0/730 lines covered)
  - kotlin.text.kotlin.text.StringsKt___StringsKt – 0.00% (0/623 lines covered)
  - org.jacoco.agent.rt.internal_b6258fc.asm.org.jacoco.agent.rt.internal_b6258fc.asm.Frame – 0.00% (0/564 lines covered)
  - kotlin.collections.kotlin.collections.ArraysKt___ArraysJvmKt – 0.00% (0/495 lines covered)
  - kotlinx.coroutines.kotlinx.coroutines.JobSupport – 0.00% (0/423 lines covered)

✅ Native Android screenshot tests passed.

Native Android coverage

📊 Line coverage: 7.85% (4157/52959 lines covered) [HTML preview] (artifact android-coverage-report, jacocoAndroidReport/html/index.html)
- Other counters: instruction 6.17% (20565/333305), branch 2.99% (961/32144), complexity 3.64% (1120/30738), method 6.41% (918/14331), class 10.63% (202/1900)
- Lowest covered classes
  - kotlin.collections.kotlin.collections.ArraysKt___ArraysKt – 0.00% (0/6327 lines covered)
  - kotlin.collections.unsigned.kotlin.collections.unsigned.UArraysKt___UArraysKt – 0.00% (0/2384 lines covered)
  - org.jacoco.agent.rt.internal_b6258fc.asm.org.jacoco.agent.rt.internal_b6258fc.asm.ClassReader – 0.00% (0/1519 lines covered)
  - kotlin.collections.kotlin.collections.CollectionsKt___CollectionsKt – 0.00% (0/1148 lines covered)
  - org.jacoco.agent.rt.internal_b6258fc.asm.org.jacoco.agent.rt.internal_b6258fc.asm.MethodWriter – 0.00% (0/923 lines covered)
  - kotlin.sequences.kotlin.sequences.SequencesKt___SequencesKt – 0.00% (0/730 lines covered)
  - kotlin.text.kotlin.text.StringsKt___StringsKt – 0.00% (0/623 lines covered)
  - org.jacoco.agent.rt.internal_b6258fc.asm.org.jacoco.agent.rt.internal_b6258fc.asm.Frame – 0.00% (0/564 lines covered)
  - kotlin.collections.kotlin.collections.ArraysKt___ArraysJvmKt – 0.00% (0/495 lines covered)
  - kotlinx.coroutines.kotlinx.coroutines.JobSupport – 0.00% (0/423 lines covered)

Benchmark Results

Detailed Performance Metrics

Metric	Duration
Base64 payload size	8192 bytes
Base64 benchmark iterations	6000
Base64 native encode	996.000 ms
Base64 CN1 encode	109.000 ms
Base64 encode ratio (CN1/native)	0.109x (89.1% faster)
Base64 native decode	824.000 ms
Base64 CN1 decode	172.000 ms
Base64 decode ratio (CN1/native)	0.209x (79.1% faster)
Image encode benchmark status	skipped (SIMD unsupported)

…e64 SIMD in Java (#4745) * Add NEON-accelerated base64Encode/base64Decode to Simd API and wire into Base64 SIMD methods Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/c218992e-943a-4ce5-8d63-f82c0792416f Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Address code review: clarify loop conditions and comment in NEON base64 Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/c218992e-943a-4ce5-8d63-f82c0792416f Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Add new SIMD generic primitive declarations and remove base64 methods from IOSSimd - Added shl, shrLogical, addWrapping, subWrapping for byte arrays - Added offset-based overloads for unpackUnsignedByteToInt, add, cmpEq, cmpLt, select - Removed base64Encode and base64Decode declarations Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Replace base64 overrides with generic SIMD primitive validation wrappers in JavaSESimd Remove base64Encode and base64Decode overrides. Add validation wrapper overrides for new generic Simd primitives: shl, shrLogical, addWrapping, subWrapping, unpackUnsignedByteToInt, add (int[]), cmpEq, cmpLt, and select. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Replace base64 NEON section with generic SIMD primitives in IOSSimd.m Remove NEON-accelerated Base64 encode/decode implementations and add NEON implementations for new generic Simd primitives: shl, shrLogical, addWrapping, subWrapping, unpackUnsignedByteToInt, add (int), cmpEq, cmpLt, and select (with offset parameters). Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Remove base64 methods from Simd; add generic byte/int primitives; rewrite Base64 SIMD in Java - Remove base64Encode/base64Decode from Simd, IOSSimd, JavaSESimd, IOSSimd.m - Add generic byte shift primitives: shl(byte[]), shrLogical(byte[]) - Add wrapping byte arithmetic: addWrapping(byte[]), subWrapping(byte[]) - Add offset-based int overloads: unpackUnsignedByteToInt, add, cmpLt, cmpEq, select - Add NEON implementations for all new primitives in IOSSimd.m - Add validation wrappers in JavaSESimd.java - Rewrite encodeNoNewlineSimd in Java using int-domain SIMD compare/select - Rewrite decodeNoWhitespaceSimd in Java using int-domain SIMD shift/or - Update SimdTest with tests for new primitives - All 2345 tests pass Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/5fc6976c-f0ec-4638-b22b-2cbc9c9ca5dd Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Optimize SIMD Base64: replace slow scatter/gather + per-element SIMD calls with fast inline scalar Java The previous approach called 15+ individual Simd operations per 48-byte chunk (each a virtual dispatch + JNI transition on iOS), plus scalar scatter/gather loops for byte↔int conversion. This added ~2500 JNI transitions per encode of 8KB, making it 64-109% slower than the already-fast scalar code. Replace with the same 4x-unrolled table-lookup approach used by encodeNoNewline(), now with offset support. This matches the scalar CN1 encode/decode performance while maintaining the same API contract. Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/90b8c36e-8f20-47da-9fb4-56344f18a336 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Revert "Optimize SIMD Base64: replace slow scatter/gather + per-element SIMD calls with fast inline scalar Java" This reverts commit 00e5103. --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com>

…4755) * Add generic SIMD interleave primitives Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/bbcd3a3b-1fcc-4818-a045-011025111878 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Tighten iOS SIMD mask blending Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/bbcd3a3b-1fcc-4818-a045-011025111878 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Implement byte-lane Base64 SIMD hot path Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/c4483141-f308-4c53-9d5b-f8185272067f Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Fix performance comparison table grouping Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/44fd1aa3-15ab-484f-908f-71ae605a2c5f Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Fix iOS benchmark stats extraction Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/43c5792a-216e-4635-bec3-dce6ce1c16da Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Harden iOS Base64 benchmark reporting Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/59bc0cc2-933a-457d-b5f2-7387ab1210f4 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Refine Base64 benchmark control flow Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/59bc0cc2-933a-457d-b5f2-7387ab1210f4 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Fail iOS build on benchmark exceptions Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/590ef420-e08c-4863-bc1d-374266ed3221 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Harden Base64 SIMD scratch initialization Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/0af385dc-375d-435d-b488-72b71b1d5135 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Add generic VM lookup path for Base64 SIMD Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/f779927e-d85c-407e-862f-61c4d64ddd86 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Clarify unsigned lookup semantics in IOSSimd Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/f779927e-d85c-407e-862f-61c4d64ddd86 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Fuse SIMD decode unpack and lookup Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/8587852f-737f-4503-9e44-7dd39ed13c3b Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Clarify generic SIMD lookup behavior Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/8587852f-737f-4503-9e44-7dd39ed13c3b Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Refactor Base64 SIMD scratch handling Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/806ca223-d5e2-458d-88a8-6e4347070c37 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Clarify native Base64 decode validation Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/806ca223-d5e2-458d-88a8-6e4347070c37 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Keep SIMD API generic for Base64 path Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/baa9db39-0b7b-4734-ac26-5bf3d2bc986f Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Restore native offset SIMD helpers Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/50ddb198-a41b-4ec4-9be2-201d4a6f9527 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com>

…ith SIMD on/off (#4771) * Add Image SIMD toggle and benchmarks Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/5dfd66c3-87f7-4e83-a9b0-af5f1401a286 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Finalize Image SIMD validation Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/5dfd66c3-87f7-4e83-a9b0-af5f1401a286 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Simplify Image SIMD implementation Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/f2b9cfbc-2c39-4c15-9946-45a6597c9c0f Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Polish simplified Image SIMD code Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/f2b9cfbc-2c39-4c15-9946-45a6597c9c0f Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Simplify Image SIMD toggle and mask path Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/04951212-c075-4568-9953-62a5c5cf6ce3 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Tighten final Image SIMD cleanup Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/04951212-c075-4568-9953-62a5c5cf6ce3 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com>

shai-almog · 2026-04-18T04:10:58Z

Compared 7 screenshots: 7 matched.
✅ JavaSE simulator integration screenshots matched stored baselines.

…ng and benchmark/compliance coverage (#4772) * Add SIMD alloca API and stack lowering Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/fe7ec42c-9a02-4f55-a18b-2f038764b2ef Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Refine SIMD alloca coverage Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/fe7ec42c-9a02-4f55-a18b-2f038764b2ef Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Polish SIMD alloca validation Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/fe7ec42c-9a02-4f55-a18b-2f038764b2ef Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Clarify SIMD alloca comments Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/fe7ec42c-9a02-4f55-a18b-2f038764b2ef Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Address SIMD alloca review feedback Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/90bc6a2c-a647-42c2-b5fb-b753d4f84d2e Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Tighten SIMD alloca deprecation notes Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/90bc6a2c-a647-42c2-b5fb-b753d4f84d2e Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Polish alloca verifier follow-up Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/90bc6a2c-a647-42c2-b5fb-b753d4f84d2e Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Polish alloca review nits Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/90bc6a2c-a647-42c2-b5fb-b753d4f84d2e Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Use javadoc deprecation tags for alloca Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/90bc6a2c-a647-42c2-b5fb-b753d4f84d2e Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Refine alloca docs and stack init Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/bb5fa00f-a32c-4546-b631-d21141725593 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Initialize image SIMD zero lanes Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/9a8f2cf5-e212-48b0-ab89-e71cd2519b4a Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Restore heap scratch buffers for image SIMD paths Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/758e9130-aba3-49bb-a4fc-d03b9b28068d Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Add initialized SIMD alloca helpers Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/12012dc5-195e-484d-9fbd-dee7e4dca265 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Zero initialize SIMD scratch bytes Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/12012dc5-195e-484d-9fbd-dee7e4dca265 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Fix SIMD byte memset macros Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/12012dc5-195e-484d-9fbd-dee7e4dca265 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Optimize translator alloca lowering Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/12012dc5-195e-484d-9fbd-dee7e4dca265 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Add image SIMD benchmarks and alloca check Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/dad95e7e-e6b1-40a7-94a7-215ceb3e1362 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Tighten alloca compliance matcher Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/dad95e7e-e6b1-40a7-94a7-215ceb3e1362 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Refine benchmark and alloca validation Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/dad95e7e-e6b1-40a7-94a7-215ceb3e1362 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Align image SIMD buffers Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/1db44331-5728-4376-a186-ef114b925450 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Finalize image SIMD cleanup Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/1db44331-5728-4376-a186-ef114b925450 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Cache SIMD image RGB results Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/f3eb3bb6-bb5f-492d-80ff-adc83cce9d51 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Optimize chained SIMD image ops Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/f3eb3bb6-bb5f-492d-80ff-adc83cce9d51 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Fuse SIMD alpha/mask passes Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/220180d6-f744-495c-9d75-8899303421b8 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Add ParparVM NEON impls for fused alpha/mask helpers Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/b34e40cc-4df9-45c8-bc5e-059771a6a271 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Replace image-specific Simd ops with generic primitives Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/72f1389b-a120-4788-959d-fc0e175b8bfa Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Drop SIMD chunking; always return registered rgb arrays from getRGB Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/919c6090-2fc0-4540-904b-1d0e8fba19b3 Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Add Simd.blendByMaskTestNonzero, rewrite modifyAlpha SIMD paths, bump benchmark image to 256x256 Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/9aba781a-23d2-4935-b086-6e0334cecb8f Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> * Fuse applyMask (4→1 pass) and removeColor (3→1 pass) into new SIMD primitives Agent-Logs-Url: https://github.com/codenameone/CodenameOne/sessions/3e643d42-5622-4542-a45c-e0cc1835193a Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com> --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: shai-almog <67850168+shai-almog@users.noreply.github.com>

…rformance guide Adds a comprehensive SIMD section to the developer guide covering what SIMD is, when to use the Simd API, alignment and provenance rules, the alloca* stack-lifetime model, build-time compliance verification, and the simulator registry. Previous standalone attempt omitted the core API usage guidance. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

github-actions · 2026-04-19T15:18:01Z

Developer Guide build artifacts are available for download from this workflow run:

Developer Guide quality checks:

AsciiDoc linter: No issues found (report)
Vale: 15016 alert(s) (1092 errors, 4434 warnings, 9490 suggestions) (exit code 1) (report)
Image references: No unused images detected (report)

javac with the ASCII file.encoding rejected em-dash, Unicode arrow (U+21D2), and horizontal ellipsis in /// comments on Image.java and Simd.java. Replaced with plain ASCII equivalents. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

shai-almog changed the title ~~Simd revisite~~ Simd revisited Apr 13, 2026

shai-almog force-pushed the simd-revisite branch from 6fdde57 to 7493e80 Compare April 14, 2026 03:34

shai-almog and others added 10 commits April 14, 2026 19:56

Initial Simd API

11c999d

Added SIMD Support for Base64 algorithm

ba51cc6

Fixed ci allocations and removed allocations

3f66893

Removed unused variables

88312b1

Another attempt at improving performance

2bd1c14

Restored SIMD code and added artifact with full sources for debugging

edf8a86

Removed volatile from class

c7b3632

Added concrete hint to Simd class

969288a

Fixed bad arrows

ae25d41

shai-almog force-pushed the simd-revisite branch from 392ce2c to ae25d41 Compare April 14, 2026 16:57

shai-almog and others added 5 commits April 14, 2026 21:13

Update ios-packaging.yml with new content

4f6ef27

Merge branch 'master' into simd-revisite

0efc576

Fixed Javadocs

4726e14

Copilot AI and others added 2 commits April 19, 2026 16:13

shai-almog merged commit 7b85818 into master Apr 19, 2026
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Simd revisited#4742

Simd revisited#4742
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