diff mbox

V2 Add new numbers in the benchmark.

Message ID 20171215182035.5162-1-woodard@redhat.com
State New, archived
Headers show

Commit Message

Ben Woodard Dec. 15, 2017, 6:20 p.m. UTC
V2 the only change is to add the angle braces around my email address.

A customer who has asked not to be named that has had some problems
with performance for some inputs of certain libm functions. We felt
that a good idea would be to capture and preserve these test cases so
that we could track and measure the performance for these cases over
time. These values evidently came from analyzing performance problems
with actual running codes. The intent is that more test cases will be
added over time.

The fast and the slow cases are separated in the test results so that
we could not only track any improvements in the worst case performance
but also detect any degregation in the performance of the optimal
cases should we change the algorithm or split the range different.

Here are the results of that part of the modified tests:

  "exp": {
   "": {
    "duration": 3.10837e+10,
    "iterations": 5.654e+06,
    "max": 37073.6,
    "min": 61.904,
    "mean": 5497.65
   },
   "144bits": {
    "duration": 2.9752e+10,
    "iterations": 1.83e+06,
    "max": 36458.4,
    "min": 159.793,
    "mean": 16257.9
   },
   "768bits": {
    "duration": 2.98869e+10,
    "iterations": 105000,
    "max": 307814,
    "min": 277808,
    "mean": 284637
   },
   "redhat-slow-customer-cases": {
    "duration": 2.90641e+10,
    "iterations": 241000,
    "max": 173768,
    "min": 118393,
    "mean": 120598
   },
   "redhat-fast-customer-cases": {
    "duration": 2.89308e+10,
    "iterations": 1.94562e+08,
    "max": 285.431,
    "min": 143.328,
    "mean": 148.697
   }
  },

  "pow": {
   "": {
    "duration": 2.91114e+10,
    "iterations": 5.9899e+07,
    "max": 1340.38,
    "min": 149.229,
    "mean": 486.009
   },
   "240bits": {
    "duration": 3.76374e+10,
    "iterations": 400000,
    "max": 110951,
    "min": 76769.9,
    "mean": 94093.4
   },
   "768bits": {
    "duration": 1.54488e+11,
    "iterations": 101000,
    "max": 1.60541e+06,
    "min": 742756,
    "mean": 1.52959e+06
   },
   "redhat-slow-customer-cases": {
    "duration": 3.02998e+10,
    "iterations": 42000,
    "max": 790097,
    "min": 692942,
    "mean": 721425
   },
   "redhat-fast-customer-cases": {
    "duration": 2.89989e+10,
    "iterations": 4.8063e+07,
    "max": 1339.97,
    "min": 564.295,
    "mean": 603.352
   }
  },
  
Signed-off-by: Ben Woodard <woodard@redhat.com>
---
 benchtests/exp-inputs |  9 +++++++++
 benchtests/pow-inputs | 12 ++++++++++++
 2 files changed, 21 insertions(+)
diff mbox

Patch

diff --git a/benchtests/exp-inputs b/benchtests/exp-inputs
index aff3fb42f1..18b77177af 100644
--- a/benchtests/exp-inputs
+++ b/benchtests/exp-inputs
@@ -587,3 +587,12 @@ 
 0x1.0000015853da7p0
 0x1.0000098e5e007p0
 0x1.0000099a1ac59p0
+
+# Contributed based on customer reports
+# Ben Woodard <woodard@redhat.com>
+## name: redhat-slow-customer-cases
+0x1.0p-53
+## name: redhat-fast-customer-cases
+0x1.0p-52
+0x1.0p+0
+0x1.999999999999Ap-4
diff --git a/benchtests/pow-inputs b/benchtests/pow-inputs
index 78f8ac73d5..2a9da51a7a 100644
--- a/benchtests/pow-inputs
+++ b/benchtests/pow-inputs
@@ -509,3 +509,15 @@ 
 0x1.f8b79758182dap-884, 0x1.ed6174093fca4p-6
 0x1.fa5c677254961p133, -0x1.c91962524971ep-1
 0x1.ff0544adacb78p649, -0x1.6c17c3a7210e2p-1
+
+
+# Contributed based on customer reports
+# Ben Woodard <woodard@redhat.com>
+## name: redhat-slow-customer-cases
+0x1.fffffffffffffp-1, 0x1.8p+0
+0x1.ffffffffffffdp-1, 0x1.8p+0
+0x1.ffffffffffff7p-1, 0x1.8p+0
+## name: redhat-fast-customer-cases
+0x1.ffffffffffffep-1, 0x1.8p+0
+0x1.ffffffffffffcp-1, 0x1.8p+0
+0x1.999999999999ap-4, 0x1.8p+0