From 2510b70323f5b47cff5e933f8d94436a845014d4 Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Sun, 8 May 2016 21:02:21 -0500
Subject: [PATCH] Add nosync to relevant FMM kernels to avoid needing global
barriers (tracks/fixes enabling of global barrier finding in loopy)
---
sumpy/e2e.py | 8 ++++----
sumpy/version.py | 2 +-
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/sumpy/e2e.py b/sumpy/e2e.py
index 1d7e3bb5..5f4b0072 100644
--- a/sumpy/e2e.py
+++ b/sumpy/e2e.py
@@ -263,10 +263,10 @@ class E2EFromChildren(E2EBase):
<> src_coeff${COEFFIDX} = \
expansions[src_ibox, ${COEFFIDX}] \
- {if=is_src_box_valid,dep=read_src_ibox}
+ {id_prefix=read_coeff,if=is_src_box_valid,dep=read_src_ibox}
expansions[tgt_ibox, ${COEFFIDX}] = \
expansions[tgt_ibox, ${COEFFIDX}] + coeff${COEFFIDX} \
- {id_prefix=write_expn,if=is_src_box_valid,dep=compute_coeff*}
+ {id_prefix=write_expn,if=is_src_box_valid,dep=compute_coeff*,nosync=read_coeff*}
"""],
[
lp.GlobalArg("target_boxes", None, shape=lp.auto,
@@ -351,10 +351,10 @@ class E2EFromParent(E2EBase):
<> src_coeff${COEFFIDX} = \
expansions[src_ibox, ${COEFFIDX}] \
- {dep=read_src_ibox}
+ {id_prefix=read_expn,dep=read_src_ibox}
expansions[tgt_ibox, ${COEFFIDX}] = \
expansions[tgt_ibox, ${COEFFIDX}] + coeff${COEFFIDX} \
- {id_prefix=write_expn}
+ {id_prefix=write_expn,nosync=read_expn*}
"""],
[
lp.GlobalArg("target_boxes", None, shape=lp.auto,
diff --git a/sumpy/version.py b/sumpy/version.py
index fe973f08..52997950 100644
--- a/sumpy/version.py
+++ b/sumpy/version.py
@@ -25,4 +25,4 @@ VERSION = (2016, 1)
VERSION_STATUS = "beta1"
VERSION_TEXT = ".".join(str(x) for x in VERSION) + VERSION_STATUS
-KERNEL_VERSION = 4
+KERNEL_VERSION = 5
--
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