Provide bounds on speedup

8 years ago · e749e34f07
parent 125b04fced
commit e749e34f07
1 changed files with 2 additions and 2 deletions
--- a/tools/profiling/microbenchmarks/speedup.py
+++ b/tools/profiling/microbenchmarks/speedup.py
@ -43,7 +43,7 @@ def speedup(new, old):
  if p0 > _THRESHOLD: return 0
  if s0 < 0:
    pct = 1
-    while True:
+    while pct < 101:
      sp, pp = cmp(new, scale(old, 1 - pct/100.0))
      if sp > 0: break
      if pp > _THRESHOLD: break
@ -51,7 +51,7 @@ def speedup(new, old):
    return -(pct - 1)
  else:
    pct = 1
-    while True:
+    while pct < 101:
      sp, pp = cmp(new, scale(old, 1 + pct/100.0))
      if sp < 0: break
      if pp > _THRESHOLD: break