owl/extras/benchmarks/owl-0.13.0/templates.xml

<templates>
  <div t-name="root" class="main">
      <div class="left-thing">
          <div>Number of msg: <t t-esc="state.messages.length"/></div>
          <button t-on-click="addMessages(100)">Add 100 messages</button>
          <button t-on-click="addMessages(1000)">Add 1000 messages</button>
          <button t-on-click="addMessages(10000)">Add 10000 messages</button>
          <button t-on-click="addMessages(50000)">Add 50000 messages</button>
          <button t-on-click="updateSomeMessages">Update every 10th message</button>
          <button t-on-click="clear">Clear</button>
      </div>
      <div class="right-thing">
          <div class="content">
              <t t-foreach="state.messages" t-as="message">
                  <t t-widget="Message" t-key="message.id" 
                        message="message" 
                        t-on-remove_message="removeMessage"/>
              </t>
          </div>
      </div>
  </div>

  <div t-name="message" class="message">
    <span class="author"><t t-esc="props.message.author"/></span>
    <span class="msg"><t t-esc="props.message.msg"/></span>
    <button class="remove" t-on-click="removeMessage">Remove</button>
    <t t-widget="Counter"/>
  </div>

  <div t-name="counter">
    <button t-on-click="increment">Value: <t t-esc="state.counter"/></button>
  </div>

</templates>