Update expectation improvements.

tools/perf_expectations/perf_expectations.json

Index: tools/perf_expectations/perf_expectations.json
diff --git a/tools/perf_expectations/perf_expectations.json b/tools/perf_expectations/perf_expectations.json
index 58e176b1648e22ebb37580db8be01e1cb537b889..261bf665d96b3900768ccb2490c5e6910350b3a6 100644
--- a/tools/perf_expectations/perf_expectations.json
+++ b/tools/perf_expectations/perf_expectations.json
@@ -4,10 +4,10 @@
  "linux-release/morejs/times/t": {"improve": -20, "regress": 10},
  "linux-release/moz/times/t": {"improve": -15, "regress": 15},
  "linux-release/startup/times/t": {"improve": -15, "regress": 15},
- "linux-release-hardy/dhtml/times/t": {"improve": -16, "regress": 14},
+ "linux-release-hardy/dhtml/times/t": {"improve": -79, "regress": 18},
  "linux-release-hardy/intl1/times/t": {"improve": -400, "regress": -43},
  "linux-release-hardy/intl2/times/t": {"improve": -780, "regress": -530},
- "linux-release-hardy/morejs/times/t": {"improve": -155, "regress": 145},
+ "linux-release-hardy/morejs/times/t": {"improve": -340, "regress": -160},
  "linux-release-hardy/moz/times/t": {"improve": -190, "regress": 20},
  "linux-release-hardy/startup/warm/t": {"improve": -15, "regress": 75},
  "mac-release-10.5/dhtml/times/t": {"improve": -90, "regress": 90},
@@ -16,16 +16,16 @@
  "mac-release-10.5/morejs/times/t": {"improve": -155, "regress": 85},
  "mac-release-10.5/moz/times/t": {"improve": -40, "regress": 200},
  "mac-release-10.5/startup/warm/t": {"improve": 0, "regress": 60},
- "mac-release-10.6/dhtml/times/t": {"improve": -33, "regress": 9},
+ "mac-release-10.6/dhtml/times/t": {"improve": -44, "regress": 4},
  "mac-release-10.6/intl1/times/t": {"improve": 660, "regress": 865},
  "mac-release-10.6/intl2/times/t": {"improve": 12, "regress": 200},
- "mac-release-10.6/morejs/times/t": {"improve": -115, "regress": 35},
+ "mac-release-10.6/morejs/times/t": {"improve": -268, "regress": -204},
  "mac-release-10.6/moz/times/t": {"improve": 30, "regress": 170},
  "mac-release-10.6/startup/times/t": {"improve": -2, "regress": 22},
  "vista-release-dual-core/dhtml/times/t": {"improve": -20, "regress": 40},
  "vista-release-dual-core/intl1/times/t": {"improve": 240, "regress": 400},
  "vista-release-dual-core/intl2/times/t": {"improve": -45, "regress": 60},
- "vista-release-dual-core/morejs/times/t": {"improve": -165, "regress": -75},
+ "vista-release-dual-core/morejs/times/t": {"improve": -206, "regress": -138},
  "vista-release-dual-core/moz/times/t": {"improve": -90, "regress": 90},
  "vista-release-dual-core/startup/times/t": {"improve": -15, "regress": 15},
  "vista-release-single-core/dhtml/times/t": {"improve": -90, "regress": 90},
@@ -41,13 +41,13 @@
  "xp-release-dual-core/intl2/times/t": {"improve": 30, "regress": 100},
  "xp-release-dual-core/morejs/times/t": {"improve": -144, "regress": -96},
  "xp-release-dual-core/moz/times/t": {"improve": -10, "regress": 50},
- "xp-release-dual-core/moz/total_byte_b/IO_b": {"improve": 450, "regress": 840},
+ "xp-release-dual-core/moz/total_byte_b/IO_b": {"improve": -6389, "regress": -5607},
  "xp-release-dual-core/moz/total_byte_r/IO_r": {"improve": 190, "regress": 430},
- "xp-release-dual-core/moz/total_op_b/IO_op_b": {"improve": -5200, "regress": -2800},
+ "xp-release-dual-core/moz/total_op_b/IO_op_b": {"improve": -13000, "regress": -10080},
  "xp-release-dual-core/moz/total_op_r/IO_op_r": {"improve": -350, "regress": 1420},
  "xp-release-dual-core/moz/vm_peak_b/vm_pk_b": {"improve": 2700000, "regress": 6400000},
  "xp-release-dual-core/moz/vm_peak_r/vm_pk_r": {"improve": -12174066, "regress": -10368590},
- "xp-release-dual-core/startup/warm/t": {"improve": -45, "regress": 45},
+ "xp-release-dual-core/startup/warm/t": {"improve": -55, "regress": -37},
  "xp-release-single-core/dhtml/times/t": {"improve": -21, "regress": 21},
  "xp-release-single-core/intl1/times/t": {"improve": 510, "regress": 930},
  "xp-release-single-core/intl2/times/t": {"improve": 225, "regress": 375},