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doc: Update performance numbers for 1M loops

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Ran 1M loops with hardware-accelerated, updated the numbers.

Signed-off-by: Christophe de Dinechin <christophe@dinechin.org>
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Christophe de Dinechin 2024-03-06 07:27:46 +01:00
parent 97cc7f90bd
commit 18352159b0
1 changed files with 22 additions and 2 deletions
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doc/6-Performance.md
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@ -98,6 +98,9 @@ VP = Variable Precision
ID = Intel Decimal Library
HW = Hardware-accelerated (`float` or `double` types)
### Variable Precision vs. Intel Decimal
For 100000 loops, we see that the variable-precision implementation at 24-digit
is roughly 10 times slower than the fixed precision implementation at 34 digits
(128 bits).
@ -108,7 +111,8 @@ is roughly 10 times slower than the fixed precision implementation at 34 digits
| 0.5.2 (ID) | 215421 | 143412 |
For 1000 loops, comparing variable-precision decimal with the earlier Intel decimal
For 1000 loops, comparing variable-precision decimal with the earlier Intel
decimal
| Version | DM32 ms | DM42 ms |
|--------------|---------|---------|
@ -117,6 +121,9 @@ For 1000 loops, comparing variable-precision decimal with the earlier Intel deci
| 0.6.4 (VP6) | 6905 | 5623 |
| 0.5.2 (ID) | 2154 | 1434 |
### 1000 loops in various implementations
Time in millisecond for 1000 loops:
| DM32 Version | HW7 | HW16 | VP6 | VP12 | VP24 | VP36 |
@ -133,10 +140,23 @@ Time in millisecond for 1000 loops:
| 0.6.0 (Note) | | | | | 17685 | |
| 0.5.2 (ID) | 1434 | | | | | |
Note: Results for 0.6.0 with variable precision are rtificially good because
Note: Results for 0.6.0 with variable precision are artificially good because
intermediate computations were not made with increased precision.
### 1M loops and iPhone results
1 million loops (tests performed with 0.7.1 while on battery):
| Version | Time (ms) | Result |
|----------------|-----------|---------------------------------------------|
| DM32 HW7 | 1748791 | 1'384'348.25 |
| DM32 HW16 | 2188113 | 1'395'612.15872'53834'6 |
| DM42 HW7 | 605102 | 1'384'348.25 |
| DM42 HW16 | 806730 | 1'395'612.15872'53834'6 |
## Drawing `sin X` with `FunctionPlot`
| Configuration | DM32 ms | DM42 ms |