1611a23a5b
This change adds implementation for named barriers for SPIRV backend. Since there is no built in API/intrinsics for named barrier in SPIRV, the implementation loosely follows implementation for AMD
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
// This test checks that #pragma omp target update from(data[0:2:3]) correctly
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// updates every third element (stride 3) from the device to the host, partially
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// across the array using dynamically allocated memory.
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// RUN: %libomptarget-compile-run-and-check-generic
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#include <omp.h>
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#include <stdio.h>
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#include <stdlib.h>
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int main() {
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int len = 11;
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double *data = (double *)calloc(len, sizeof(double));
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#pragma omp target map(tofrom : data[0 : len])
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{
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for (int i = 0; i < len; i++)
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data[i] = i;
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}
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// Initial values
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printf("original host array values:\n");
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for (int i = 0; i < len; i++)
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printf("%f\n", data[i]);
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printf("\n");
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#pragma omp target data map(to : data[0 : len])
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{
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#pragma omp target
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for (int i = 0; i < len; i++)
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data[i] += i;
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#pragma omp target update from(data[0 : 2 : 3]) // indices 0,3 only
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}
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printf("device array values after update from:\n");
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for (int i = 0; i < len; i++)
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printf("%f\n", data[i]);
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printf("\n");
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// CHECK: original host array values:
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// CHECK-NEXT: 0.000000
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// CHECK-NEXT: 1.000000
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// CHECK-NEXT: 2.000000
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// CHECK-NEXT: 3.000000
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// CHECK-NEXT: 4.000000
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// CHECK-NEXT: 5.000000
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// CHECK-NEXT: 6.000000
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// CHECK-NEXT: 7.000000
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// CHECK-NEXT: 8.000000
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// CHECK-NEXT: 9.000000
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// CHECK-NEXT: 10.000000
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// CHECK: device array values after update from:
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// CHECK-NEXT: 0.000000
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// CHECK-NEXT: 1.000000
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// CHECK-NEXT: 2.000000
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// CHECK-NEXT: 6.000000
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// CHECK-NEXT: 4.000000
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// CHECK-NEXT: 5.000000
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// CHECK-NEXT: 6.000000
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// CHECK-NEXT: 7.000000
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// CHECK-NEXT: 8.000000
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// CHECK-NEXT: 9.000000
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// CHECK-NEXT: 10.000000
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free(data);
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return 0;
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}
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