From 09f45c1d1da37bf4f6fa4094eb2d2ea18e8aaf21 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Tue, 29 Oct 2019 20:33:30 +0100
Subject: Don't try to reuse population layout for moment array indexing

---
 boltzgen/kernel/template/collect_moments.cl.mako | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/boltzgen/kernel/template/collect_moments.cl.mako b/boltzgen/kernel/template/collect_moments.cl.mako
index 06b92c9..ddf5102 100644
--- a/boltzgen/kernel/template/collect_moments.cl.mako
+++ b/boltzgen/kernel/template/collect_moments.cl.mako
@@ -1,8 +1,9 @@
 __kernel void collect_moments_gid(__global ${float_type}* f,
-                                  __global ${float_type}* moments,
+                                  __global ${float_type}* m,
                                   unsigned int gid)
 {
     __global ${float_type}* preshifted_f = f + ${layout.cell_preshift('gid')};
+    __global ${float_type}* preshifted_m = m + gid*${descriptor.d+1};
 
 % for i in range(0,descriptor.q):
     const ${float_type} f_curr_${i} = preshifted_f[${layout.pop_offset(i)}];
@@ -13,7 +14,7 @@ __kernel void collect_moments_gid(__global ${float_type}* f,
 % endfor
 
 % for i, expr in enumerate(moments_assignment):
-    moments[${layout.pop_offset(i)} + gid] = ${ccode(expr.rhs)};
+    preshifted_m[${i}] = ${ccode(expr.rhs)};
 % endfor
 }
 
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