Automatic transaction coarsening

A method comprising:

• monitoring, by a processing device, an execution of a plurality of transactions on the processing device, each of the plurality of transactions comprising a transaction begin instruction, at least one operation instruction and a transaction end instruction;
• identifying, in view of the monitoring, a subset of the plurality of transactions to combine into a single combined transaction for execution on the processing device;
• and
• combining, by track and combine logic in the processing device, the identified subset of the plurality of transactions into the single combined transaction, the single combined transaction comprising a single transaction begin instruction, a plurality of operation instructions corresponding to the subset of the plurality of transactions and a single transaction end instruction.

A system comprising:

• a memory to store program code comprising a plurality of transactions, each of the plurality of transactions comprising a transaction begin instruction, at least one operation instruction and a transaction end instruction;
• and
• a processing device;
• communicably coupled to the memory, the processing device comprising track and combine logic to:
• monitor an execution of the plurality of transactions on the processing device;
• identify, in view of the monitoring, a subset of the plurality of transactions to combine into a single combined transaction for execution on the processing device;
• and
• combine the identified subset of the plurality of transactions into the single combined transaction, the single combined transaction comprising a single transaction begin instruction, a plurality of operation instructions corresponding to the subset of the plurality of transactions and a single transaction end instruction.