amdilc: increase minimum spirv buffer size to reduce realloc call count

libcg · Sep 8, 2023 · bdfb6cb · bdfb6cb
1 parent 4c4b31c
commit bdfb6cb
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/amdilc/amdilc_spirv.c b/src/amdilc/amdilc_spirv.c
@@ -18,7 +18,10 @@ static void putBuffer(
  unsigned size = (buffer->wordCount + otherBuffer->wordCount) * sizeof(IlcSpvWord);
  if (buffer->wordSize < size) {
  // Grow the buffer exponentially to minimize allocations
- buffer->wordSize = sizeof(IlcSpvWord);
+ if (buffer->wordSize < sizeof(IlcSpvWord)) {
+ buffer->wordSize = sizeof(IlcSpvWord) * 1024;
+ }
+
  while (buffer->wordSize < size) {
  buffer->wordSize *= BUFFER_ALLOC_FACTOR;
  }