<div dir="ltr"><div>Hi Gary,</div><div>I tried with the latest build and I can reproduce reported issue <b>3</b> with the TestArrays</div><div>```</div><div><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><b>diff --git a/hat/tests/src/main/java/hat/test/TestArrays.java b/hat/tests/src/main/java/hat/test/TestArrays.java</b><b></b></span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><b>index b5aed9f85da..3dccbaabf8c 100644</b><b></b></span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><b>--- a/hat/tests/src/main/java/hat/test/TestArrays.java</b><b></b></span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><b>+++ b/hat/tests/src/main/java/hat/test/TestArrays.java</b><b></b></span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(46,174,187)"><span style="font-variant-ligatures:no-common-ligatures">@@ -42,7 +42,7 @@</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0);min-height:13px"><span style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-converted-space"> </span></span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-converted-space"> </span>public class TestArrays {</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0);min-height:13px"><span style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-converted-space"> </span></span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(180,36,25)"><span style="font-variant-ligatures:no-common-ligatures">-<span class="gmail-Apple-converted-space">    </span>@Reflect</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(47,180,29)"><span style="font-variant-ligatures:no-common-ligatures">+<span class="gmail-Apple-converted-space">    </span>//@Reflect</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-converted-space">     </span>public static int squareit(int v) {</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-converted-space">         </span>return<span class="gmail-Apple-converted-space">  </span>v * v;</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0);min-height:13px"><span style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-converted-space"> </span></span></p>
```</div><div>With the following command `<span style="color:rgb(0,0,0);font-family:Menlo;font-size:11px">java -cp hat/job.jar hat.java test ffi-opencl hat.test.TestArrays`</span></div><div><span style="color:rgb(0,0,0);font-family:Menlo;font-size:11px">```</span></div><div><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(64,11,217)"><span style="font-variant-ligatures:no-common-ligatures">HAT Engine Testing Framework</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(64,11,217)"><span style="font-variant-ligatures:no-common-ligatures">Testing Backend: hat.backend.ffi.OpenCLBackend</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">UNSUPPORTED (log once): buildComputeProgram: cl2Metal failed</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">buildStatus =failed</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">logLen = 186 log<span class="gmail-Apple-converted-space">  </span>= program_source:70:37: error: implicit declaration of function 'squareit' is invalid in OpenCL</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-converted-space">        </span>array->array[(long)HAT_GIX]=squareit(value);</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-converted-space">                                    </span>^</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0);min-height:13px"><span style="font-variant-ligatures:no-common-ligatures"></span><br></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">what?hat.test.TestArrays::squareKernel(hat.KernelContext, hat.buffer.S32Array):void java.lang.IllegalStateException: OpenCL program failed to compilejava.lang.IllegalStateException: OpenCL program failed to compile</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre">  </span>at hat.backend.ffi.OpenCLBackend.lambda$dispatchKernel$0(OpenCLBackend.java:58)</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre">  </span>at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1229)</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre">  </span>at hat.backend.ffi.OpenCLBackend.dispatchKernel(OpenCLBackend.java:47)</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre">  </span>at hat.ComputeContext.dispatchKernelWithComputeRange(ComputeContext.java:133)</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><span class="gmail-Apple-tab-span" style="white-space:pre">  </span>at hat.ComputeContext.dispatchKernel(ComputeContext.java:111)</span></p>
```</div><div>Regards,</div><div>Nadeesh</div></div>