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* [gcc/devel/omp/gcc-12] Fix OpenACC "ephemeral" asynchronous host-to-device copies
@ 2022-06-29 14:36 Kwok Yeung
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From: Kwok Yeung @ 2022-06-29 14:36 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:85626d15545773fa967378c235ca19ec93efba4a
commit 85626d15545773fa967378c235ca19ec93efba4a
Author: Julian Brown <julian@codesourcery.com>
Date: Wed Sep 11 13:22:03 2019 -0700
Fix OpenACC "ephemeral" asynchronous host-to-device copies
libgomp/
* testsuite/libgomp.oacc-c-c++-common/deep-copy-10.c (main): Fix
async-safety issue. Increase number of iterations.
Diff:
---
libgomp/ChangeLog.omp | 6 ++++++
libgomp/testsuite/libgomp.oacc-c-c++-common/deep-copy-10.c | 14 ++++++++------
2 files changed, 14 insertions(+), 6 deletions(-)
diff --git a/libgomp/ChangeLog.omp b/libgomp/ChangeLog.omp
index 6ac1b743ccf..dc2e8893756 100644
--- a/libgomp/ChangeLog.omp
+++ b/libgomp/ChangeLog.omp
@@ -1,3 +1,9 @@
+2019-09-17 Julian Brown <julian@codesourcery.com>
+ Kwok Cheung Yeung <kcy@codesourcery.com>
+
+ * testsuite/libgomp.oacc-c-c++-common/deep-copy-10.c (main): Fix
+ async-safety issue. Increase number of iterations.
+
2021-04-07 Kwok Cheung Yeung <kcy@codesourcery.com>
* oacc-mem.c (goacc_enter_data_internal): Unlock mutex before calling
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/deep-copy-10.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/deep-copy-10.c
index 573a8214bf0..dadb6d37942 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/deep-copy-10.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/deep-copy-10.c
@@ -1,6 +1,8 @@
#include <stdlib.h>
-/* Test asyncronous attach and detach operation. */
+#define ITERATIONS 1023
+
+/* Test asynchronous attach and detach operation. */
typedef struct {
int *a;
@@ -25,13 +27,13 @@ main (int argc, char* argv[])
#pragma acc enter data copyin(m)
- for (int i = 0; i < 99; i++)
+ for (int i = 0; i < ITERATIONS; i++)
{
int j;
-#pragma acc parallel loop copy(m.a[0:N]) async(i % 2)
+#pragma acc parallel loop copy(m.a[0:N]) async(0)
for (j = 0; j < N; j++)
m.a[j]++;
-#pragma acc parallel loop copy(m.b[0:N]) async((i + 1) % 2)
+#pragma acc parallel loop copy(m.b[0:N]) async(1)
for (j = 0; j < N; j++)
m.b[j]++;
}
@@ -40,9 +42,9 @@ main (int argc, char* argv[])
for (i = 0; i < N; i++)
{
- if (m.a[i] != 99)
+ if (m.a[i] != ITERATIONS)
abort ();
- if (m.b[i] != 99)
+ if (m.b[i] != ITERATIONS)
abort ();
}
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