[SYCL][ESIMD][EMU] Marking ESIMD kernels for esimd_emulator backend

SYCL/ESIMD/esimd_check_vc_codegen.cpp

@@ -0,0 +1,104 @@
+//==-------- esimd_check_vc_codegen.cpp - DPC++ ESIMD on-device test -------==//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+// REQUIRES: gpu
+// UNSUPPORTED: cuda || hip
+// esimd_emulator does not support online-compiler that invokes 'piProgramBuild'
+// UNSUPPORTED: esimd_emulator
+// RUN: %clangxx -fsycl %s -o %t.out
+// RUN: env SYCL_PI_TRACE=-1 %GPU_RUN_PLACEHOLDER %t.out 2>&1 %GPU_CHECK_PLACEHOLDER
+
+#include "esimd_test_utils.hpp"
+
+#include <CL/sycl.hpp>
+#include <iostream>
+#include <sycl/ext/intel/experimental/esimd.hpp>
+
+using namespace cl::sycl;
+
+int main(void) {
+  constexpr unsigned Size = 1024 * 128;
+  constexpr unsigned VL = 16;
+
+  float *A = new float[Size];
+  float *B = new float[Size];
+  float *C = new float[Size];
+
+  for (unsigned i = 0; i < Size; ++i) {
+    A[i] = B[i] = i;
+    C[i] = 0.0f;
+  }
+
+  try {
+    buffer<float, 1> bufa(A, range<1>(Size));
+    buffer<float, 1> bufb(B, range<1>(Size));
+    buffer<float, 1> bufc(C, range<1>(Size));
+
+    // We need that many workgroups
+    range<1> GlobalRange{Size / VL};
+
+    // We need that many threads in each group
+    range<1> LocalRange{1};
+
+    queue q(esimd_test::ESIMDSelector{}, esimd_test::createExceptionHandler());
+
+    auto dev = q.get_device();
+    std::cout << "Running on " << dev.get_info<info::device::name>() << "\n";
+
+    auto e = q.submit([&](handler &cgh) {
+      auto PA = bufa.get_access<access::mode::read>(cgh);
+      auto PB = bufb.get_access<access::mode::read>(cgh);
+      auto PC = bufc.get_access<access::mode::write>(cgh);
+      cgh.parallel_for<class Test>(
+          GlobalRange * LocalRange, [=](id<1> i) SYCL_ESIMD_KERNEL {
+            using namespace sycl::ext::intel::experimental::esimd;
+            unsigned int offset = i * VL * sizeof(float);
+            simd<float, VL> va;
+            va.copy_from(PA, offset);
+            simd<float, VL> vb;
+            vb.copy_from(PB, offset);
+            simd<float, VL> vc = va + vb;
+            vc.copy_to(PC, offset);
+          });
+    });
+    e.wait();
+  } catch (sycl::exception const &e) {
+    std::cout << "SYCL exception caught: " << e.what() << '\n';
+
+    delete[] A;
+    delete[] B;
+    delete[] C;
+    return 1;
+  }
+
+  int err_cnt = 0;
+
+  for (unsigned i = 0; i < Size; ++i) {
+    if (A[i] + B[i] != C[i]) {
+      if (++err_cnt < 10) {
+        std::cout << "failed at index " << i << ", " << C[i] << " != " << A[i]
+                  << " + " << B[i] << "\n";
+      }
+    }
+  }
+  if (err_cnt > 0) {
+    std::cout << "  pass rate: "
+              << ((float)(Size - err_cnt) / (float)Size) * 100.0f << "% ("
+              << (Size - err_cnt) << "/" << Size << ")\n";
+  }
+
+  delete[] A;
+  delete[] B;
+  delete[] C;
+
+  std::cout << (err_cnt > 0 ? "FAILED\n" : "Passed\n");
+  return err_cnt > 0 ? 1 : 0;
+}
+
+// CHECK: ---> piProgramBuild(
+// CHECK: <const char *>: {{.*}}-vc-codegen
+// CHECK: ) ---> pi_result : PI_SUCCESS

SYCL/ESIMD/sycl_esimd_mix.cpp

@@ -10,9 +10,11 @@
 
 // REQUIRES: gpu
 // UNSUPPORTED: cuda || hip
+// TODO/FIXME: esimd_emulator support - timeout
+// XFAIL: esimd_emulator
 // RUN: %clangxx -fsycl %s -o %t.out
-// RUN: env SYCL_PI_TRACE=-1 %GPU_RUN_PLACEHOLDER %t.out 2>&1 %GPU_CHECK_PLACEHOLDER --check-prefixes=CHECK,CHECK-NO-VAR
-// RUN: env SYCL_PROGRAM_COMPILE_OPTIONS="-g" SYCL_PI_TRACE=-1 %GPU_RUN_PLACEHOLDER %t.out 2>&1 %GPU_CHECK_PLACEHOLDER --check-prefixes=CHECK,CHECK-WITH-VAR
+// RUN: %GPU_RUN_PLACEHOLDER %t.out
+// RUN: env SYCL_PROGRAM_COMPILE_OPTIONS="-g" %GPU_RUN_PLACEHOLDER %t.out
 
 #include "esimd_test_utils.hpp"
 
@@ -123,24 +125,5 @@ int main(void) {
   return 0;
 }
 
-// Regular SYCL kernel is compiled without -vc-codegen option
-
-// CHECK-LABEL: ---> piProgramBuild(
-// CHECK-NOT: -vc-codegen
-// CHECK-WITH-VAR: -g
-// CHECK-NOT: -vc-codegen
-// CHECK: ) ---> pi_result : PI_SUCCESS
-// CHECK-LABEL: ---> piKernelCreate(
-// CHECK: <const char *>: {{.*}}SyclKernel
-// CHECK: ) ---> pi_result : PI_SUCCESS
-
-// For ESIMD kernels, -vc-codegen option is always preserved,
-// regardless of SYCL_PROGRAM_COMPILE_OPTIONS value.
-
-// CHECK-LABEL: ---> piProgramBuild(
-// CHECK-NO-VAR: -vc-codegen
-// CHECK-WITH-VAR: -g -vc-codegen
-// CHECK: ) ---> pi_result : PI_SUCCESS
-// CHECK-LABEL: ---> piKernelCreate(
-// CHECK: <const char *>: {{.*}}EsimdKernel
-// CHECK: ) ---> pi_result : PI_SUCCESS
+// 'CHECK' commands for checking 'vc-codegen' are moved to
+// 'sycl_esimd_mix_check_build_opts.cpp'

SYCL/ESIMD/sycl_esimd_mix_check_build_opts.cpp

@@ -0,0 +1,148 @@
+//==--- sycl_esimd_mix_check_build_opts.cpp - DPC++ ESIMD on-device test ---==//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+// This is basic test for mixing SYCL and ESIMD kernels in the same source and
+// in the same program .
+
+// REQUIRES: gpu
+// UNSUPPORTED: cuda || hip
+// esimd_emulator does not support online-compiler that invokes 'piProgramBuild'
+// UNSUPPORTED: esimd_emulator
+// RUN: %clangxx -fsycl %s -o %t.out
+// RUN: env SYCL_PI_TRACE=-1 %GPU_RUN_PLACEHOLDER %t.out 2>&1 %GPU_CHECK_PLACEHOLDER --check-prefixes=CHECK,CHECK-NO-VAR
+// RUN: env SYCL_PROGRAM_COMPILE_OPTIONS="-g" SYCL_PI_TRACE=-1 %GPU_RUN_PLACEHOLDER %t.out 2>&1 %GPU_CHECK_PLACEHOLDER --check-prefixes=CHECK,CHECK-WITH-VAR
+
+#include "esimd_test_utils.hpp"
+
+#include <CL/sycl.hpp>
+#include <iostream>
+#include <sycl/ext/intel/experimental/esimd.hpp>
+
+using namespace cl::sycl;
+
+bool checkResult(const std::vector<float> &A, int Inc) {
+  int err_cnt = 0;
+  unsigned Size = A.size();
+
+  for (unsigned i = 0; i < Size; ++i) {
+    if (A[i] != i + Inc)
+      if (++err_cnt < 10)
+        std::cerr << "failed at A[" << i << "]: " << A[i] << " != " << i + Inc
+                  << "\n";
+  }
+
+  if (err_cnt > 0) {
+    std::cout << "  pass rate: "
+              << ((float)(Size - err_cnt) / (float)Size) * 100.0f << "% ("
+              << (Size - err_cnt) << "/" << Size << ")\n";
+    return false;
+  }
+  return true;
+}
+
+int main(void) {
+  constexpr unsigned Size = 32;
+  constexpr unsigned VL = 16;
+
+  std::vector<float> A(Size);
+
+  for (unsigned i = 0; i < Size; ++i) {
+    A[i] = i;
+  }
+
+  try {
+    buffer<float, 1> bufa(A.data(), range<1>(Size));
+
+    // We need that many workgroups
+    cl::sycl::range<1> GlobalRange{Size};
+    // We need that many threads in each group
+    cl::sycl::range<1> LocalRange{1};
+
+    queue q(gpu_selector{}, esimd_test::createExceptionHandler());
+
+    auto dev = q.get_device();
+    std::cout << "Running on " << dev.get_info<info::device::name>() << "\n";
+
+    auto e = q.submit([&](handler &cgh) {
+      auto PA = bufa.get_access<access::mode::read_write>(cgh);
+      cgh.parallel_for<class SyclKernel>(GlobalRange * LocalRange,
+                                         [=](id<1> i) { PA[i] = PA[i] + 1; });
+    });
+    e.wait();
+  } catch (cl::sycl::exception const &e) {
+    std::cout << "SYCL exception caught: " << e.what() << '\n';
+    return 2;
+  }
+
+  if (checkResult(A, 1)) {
+    std::cout << "SYCL kernel passed\n";
+  } else {
+    std::cout << "SYCL kernel failed\n";
+    return 1;
+  }
+
+  try {
+    buffer<float, 1> bufa(A.data(), range<1>(Size));
+
+    // We need that many workgroups
+    cl::sycl::range<1> GlobalRange{Size / VL};
+    // We need that many threads in each group
+    cl::sycl::range<1> LocalRange{1};
+
+    queue q(esimd_test::ESIMDSelector{}, esimd_test::createExceptionHandler());
+
+    auto dev = q.get_device();
+    std::cout << "Running on " << dev.get_info<info::device::name>() << "\n";
+
+    auto e = q.submit([&](handler &cgh) {
+      auto PA = bufa.get_access<access::mode::read_write>(cgh);
+      cgh.parallel_for<class EsimdKernel>(
+          GlobalRange * LocalRange, [=](id<1> i) SYCL_ESIMD_KERNEL {
+            using namespace sycl::ext::intel::experimental::esimd;
+            unsigned int offset = i * VL * sizeof(float);
+            simd<float, VL> va;
+            va.copy_from(PA, offset);
+            simd<float, VL> vc = va + 1;
+            vc.copy_to(PA, offset);
+          });
+    });
+    e.wait();
+  } catch (cl::sycl::exception const &e) {
+    std::cout << "SYCL exception caught: " << e.what() << '\n';
+    return 2;
+  }
+
+  if (checkResult(A, 2)) {
+    std::cout << "ESIMD kernel passed\n";
+  } else {
+    std::cout << "ESIMD kernel failed\n";
+    return 1;
+  }
+  return 0;
+}
+
+// Regular SYCL kernel is compiled without -vc-codegen option
+
+// CHECK-LABEL: ---> piProgramBuild(
+// CHECK-NOT: -vc-codegen
+// CHECK-WITH-VAR: -g
+// CHECK-NOT: -vc-codegen
+// CHECK: ) ---> pi_result : PI_SUCCESS
+// CHECK-LABEL: ---> piKernelCreate(
+// CHECK: <const char *>: {{.*}}SyclKernel
+// CHECK: ) ---> pi_result : PI_SUCCESS
+
+// For ESIMD kernels, -vc-codegen option is always preserved,
+// regardless of SYCL_PROGRAM_COMPILE_OPTIONS value.
+
+// CHECK-LABEL: ---> piProgramBuild(
+// CHECK-NO-VAR: -vc-codegen
+// CHECK-WITH-VAR: -g -vc-codegen
+// CHECK: ) ---> pi_result : PI_SUCCESS
+// CHECK-LABEL: ---> piKernelCreate(
+// CHECK: <const char *>: {{.*}}EsimdKernel
+// CHECK: ) ---> pi_result : PI_SUCCESS

SYCL/ESIMD/vadd_1d.cpp

@@ -7,8 +7,10 @@
 //===----------------------------------------------------------------------===//
 // REQUIRES: gpu
 // UNSUPPORTED: cuda || hip
+// TODO: esimd_emulator support - enable __esimd_oword_ld_unaligned
+// XFAIL: esimd_emulator
 // RUN: %clangxx -fsycl %s -o %t.out
-// RUN: env SYCL_PI_TRACE=-1 %GPU_RUN_PLACEHOLDER %t.out 2>&1 %GPU_CHECK_PLACEHOLDER
+// RUN: %GPU_RUN_PLACEHOLDER %t.out
 
 #include "esimd_test_utils.hpp"
 
@@ -97,6 +99,5 @@ int main(void) {
   return err_cnt > 0 ? 1 : 0;
 }
 
-// CHECK: ---> piProgramBuild(
-// CHECK: <const char *>: {{.*}}-vc-codegen
-// CHECK: ) ---> pi_result : PI_SUCCESS
+// 'CHECK' commands for checking 'vc-codegen' are moved to
+// 'sycl_esimd_mix_check_build_opts.cpp'

SYCL/lit.cfg.py

@@ -189,7 +189,8 @@
                      'opencl',
                      'cuda',
                      'hip',
-                     'level_zero']
+                     'level_zero',
+                     'esimd_emulator']
 
 if config.sycl_be not in supported_sycl_be:
    lit_config.error("Unknown SYCL BE specified '" +