experiments

6 files changed, 199 insertions, 197 deletions

diff --git a/plots/speed.data b/plots/speed.data
index ac9c87b..5690b84 100644
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diff --git a/plots/time_bench_cpu.data b/plots/time_bench_cpu.data
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diff --git a/plots/time_bench_ops_only.data b/plots/time_bench_ops_only.data
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diff --git a/plots/time_exchange_cpu.data b/plots/time_exchange_cpu.data
index 0be5c7d..1379291 100644
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diff --git a/plots/time_real.data b/plots/time_real.data
index f780ba4..7f518b7 100644
--- a/plots/time_real.data
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diff --git a/taler/implementation.tex b/taler/implementation.tex
index 0413838..e2db92b 100644
--- a/taler/implementation.tex
+++ b/taler/implementation.tex
@@ -1832,7 +1832,10 @@ hardware specifications for our tests:
 
 We used $2048$-bit RSA denomination keys for all of our exchange benchmarks.  We
 used a  development version of the exchange (with git commit hash
-5fbda29b76c24d\dots).  PostgreSQL version 10.4 was used as the database.
+5fbda29b76c24d\dots).  PostgreSQL version 11.3 was used as the database.
+As our server machines have only slower hard-disk drives instead of faster solid-state drives,
+we ran the benchmarks with an in-memory database.
+
 
 \subsection{Coins Per Transaction}\label{sec:coins-per-transaction}
 The transaction rate is an important characteristic of a payment system.  Since
@@ -1905,7 +1908,7 @@ correspond to the actual CPU time required for the respective operations, as
 the benchmark with one client runs significantly fewer processes/threads than
 the number of available CPUs on our machine.
 
-The benchmark completed in $20.76$ minutes. We obtained the total CPU usage of
+The benchmark completed in $15.10$ minutes on $\texttt{firefly}$. We obtained the total CPU usage of
 the benchmark testbed and exchange.  The refresh operations are rather slow in comparison
 to spends and deposits, as the benchmark with a refresh probability of $0\%$ only took $8.84$
 minutes to complete.