Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 189,491
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     201,557
Calibration 2     191,275
Calibration 3     189,996
ssj_ops@calibrated=190,636
100% 99.4% 190,636 189,491
90% 89.5% 171,572 170,646
80% 80.1% 152,509 152,761
70% 69.4% 133,445 132,276
60% 60.4% 114,381 115,181
50% 49.7% 95,318 94,670
40% 40.3% 76,254 76,820
30% 30.0% 57,191 57,276
20% 20.1% 38,127 38,300
10% 9.9% 19,064 18,928
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,662,237 1,494
Payment 14,662,241
Order Status 1,466,224
Delivery 1,466,224
Stock Level 1,466,223
Customer Report 14,662,236
Calibration 2 New Order 13,912,711 1,494
Payment 13,912,713
Order Status 1,391,271
Delivery 1,391,270
Stock Level 1,391,270
Customer Report 13,912,712
Calibration 3 New Order 13,819,673 1,494
Payment 13,819,674
Order Status 1,381,968
Delivery 1,381,967
Stock Level 1,381,967
Customer Report 13,819,676
100% 99.4% New Order 13,781,457 1,494
Payment 13,781,451
Order Status 1,378,145
Delivery 1,378,145
Stock Level 1,378,146
Customer Report 13,781,455
90% 89.5% New Order 12,411,703 1,494
Payment 12,411,711
Order Status 1,241,171
Delivery 1,241,170
Stock Level 1,241,170
Customer Report 12,411,711
80% 80.1% New Order 11,111,040 1,494
Payment 11,111,042
Order Status 1,111,104
Delivery 1,111,104
Stock Level 1,111,105
Customer Report 11,111,043
70% 69.4% New Order 9,620,245 1,494
Payment 9,620,242
Order Status 962,024
Delivery 962,025
Stock Level 962,024
Customer Report 9,620,247
60% 60.4% New Order 8,377,437 1,494
Payment 8,377,435
Order Status 837,746
Delivery 837,744
Stock Level 837,743
Customer Report 8,377,437
50% 49.7% New Order 6,885,928 1,494
Payment 6,885,931
Order Status 688,593
Delivery 688,594
Stock Level 688,594
Customer Report 6,885,929
40% 40.3% New Order 5,587,276 1,494
Payment 5,587,270
Order Status 558,727
Delivery 558,728
Stock Level 558,728
Customer Report 5,587,276
30% 30.0% New Order 4,165,518 1,494
Payment 4,165,522
Order Status 416,553
Delivery 416,554
Stock Level 416,554
Customer Report 4,165,527
20% 20.1% New Order 2,785,456 1,494
Payment 2,785,451
Order Status 278,546
Delivery 278,546
Stock Level 278,546
Customer Report 2,785,456
10% 9.9% New Order 1,376,584 1,494
Payment 1,376,581
Order Status 137,658
Delivery 137,657
Stock Level 137,657
Customer Report 1,376,586
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0